CN115269667B - Recommendation method for building engineering project template - Google Patents

Recommendation method for building engineering project template Download PDF

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CN115269667B
CN115269667B CN202211161362.XA CN202211161362A CN115269667B CN 115269667 B CN115269667 B CN 115269667B CN 202211161362 A CN202211161362 A CN 202211161362A CN 115269667 B CN115269667 B CN 115269667B
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engineering
project
template
count
engineering quantity
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CN115269667A (en
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孙宏源
王钊
王赞
何可
李响
柴智
郑直
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China China International Tendering Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G06F16/2457—Query processing with adaptation to user needs
    • G06F16/24578—Query processing with adaptation to user needs using ranking
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/248—Presentation of query results
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/28—Databases characterised by their database models, e.g. relational or object models
    • G06F16/284—Relational databases
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/10—Office automation; Time management
    • G06Q10/103—Workflow collaboration or project management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/08—Construction

Abstract

The invention relates to the field of project information management, and discloses a recommendation method of a construction project template, which comprises the following steps: the method comprises the steps of obtaining a source file, wherein the source file comprises an engineering quantity label, a source engineering quantity list and a building information model, traversing engineering quantity contained in the source file to obtain a first engineering quantity set, obtaining a first-level label and a second-level label selected by a user, screening project templates in a database according to the first-level label and the second-level label to obtain a project template set, calculating the matching degree of the project template set and the first engineering quantity set to obtain a building engineering project template matching degree list, and recommending the user according to the building engineering project template matching degree list. The invention reuses the historical project experience by a template mode, and realizes the informatization management of projects without digitization bases by a model of the reuse projects.

Description

Recommendation method for building engineering project template
Technical Field
The invention relates to the field of project information management, in particular to a recommendation method of a construction project template.
Background
The bid project manager, the bidder and the owner need to realize management of risks in the project implementation process.
In the project management in the field of constructional engineering, most of the constructional engineering structures are complex, the related specialties are multiple, the construction process is stubborn and staggered, the quality problem of buildings and even the whole project can be caused carelessly, the project rework and the project delay can not be delivered for use on time, and the loss which is difficult to estimate is caused for a construction unit. A tool capable of helping construction enterprises to promote process management is urgently needed in the industry, and smooth implementation of projects can be guaranteed under the condition that the experience of engineering personnel is insufficient.
For example, chinese document CN106845935A discloses a scheme of an engineering project process templating system, which includes a template editing module, a task management module, an expert evaluation module, a template analysis module, a standard template library and a custom template library; the process comprises the steps of forming structured data by the arranged templates and storing the structured data in a standard template library; the task management module is used for calling the template in the standard template library and directly creating a task from the flow self-definition of the template; the expert evaluation module is used for comprehensively evaluating the custom template generated by the task management module and storing an evaluation result into a custom template library; the template analysis module is used for comprehensively analyzing the custom templates in the custom template library to obtain the optimal flow template, and the optimal flow template is stored in the standard template library, however, the dynamic data management of the complex project and the reuse of the historical project experience cannot be realized in the mode.
Chinese document CN113780998A discloses an integrated information management method for engineering project execution, which includes: step 1: determining a target engineering project, acquiring project data of the target engineering project, performing digital processing, and decomposing business activities of a process executed by the target engineering project; and 2, step: obtaining a plurality of sub-activities based on the decomposition result, and obtaining a service chain corresponding to each sub-activity; and step 3: extracting a flow set of each sub-activity and the corresponding business chain; and 4, step 4: distributing a target file to each sub-process based on the sub-service attribute of each sub-process in the process set; and 5: and performing integrated information management on the process executed by the target engineering project based on the digital processing result and the distribution result. The information related to the engineering project is subjected to integrated information management, so that online control management and comprehensive utilization of related data resources in the project execution process are realized, and the management and control efficiency can be effectively improved. However, such project processes cannot handle complex inputs and reuse of historical project experience.
The actual construction project needs to be carried out by involving a plurality of models and a plurality of information sources, the actual construction and theoretical models are often greatly different, the mining of historical data and the application of the historical data to the existing project are often more efficient, and the mining and the utilization of the information are lacked in the prior art.
On the other hand, even if the existing project management experience is considered to be reused, such as the reuse of processes and models, the prior art lacks a matching method for such project templates, and it is necessary to provide a model recommendation method for building projects.
Disclosure of Invention
The present invention addresses at least some of the problems of project management in the prior art.
According to a first aspect of the present invention, there is provided a method for recommending a construction project template, comprising:
acquiring a source file, wherein the source file comprises an engineering quantity label, a source engineering quantity list and a building information model, and traversing the engineering quantity contained in the source file to obtain a first engineering quantity set;
acquiring a first-level label and a second-level label selected by a user, and screening a project template in a database according to the first-level label and the second-level label to obtain a project template set;
and calculating the matching degree of the project template set and the first project amount set to obtain a building project template matching degree list, and recommending users according to the building project template matching degree list.
According to one aspect of the invention, the method for obtaining the first engineering quantity set comprises the following steps:
the source engineering quantity list comprises engineering quantity names, calculation rules, metering numbers and periods;
searching the engineering quantity label in a database to obtain a first source engineering quantity;
searching the source engineering quantity list in a database to obtain a second source engineering quantity;
and combining the first source engineering quantity and the second source engineering quantity to obtain the first engineering quantity set.
According to an aspect of the present invention, the method for combining the first source engineering quantity and the second source engineering quantity to obtain the first engineering quantity set includes:
acquiring identifier information of the first source engineering quantity, and acquiring a first source engineering quantity identifier set according to the identifier information;
acquiring identifier information of the second source engineering quantity, and acquiring a second source engineering quantity identifier set according to the identifier information;
comparing the identifier information of the first source engineering volume with the identifier information of the second source engineering volume to obtain a third source engineering volume with the same identifier information;
and carrying out duplicate removal on the third source engineering quantity to obtain the first engineering quantity set.
According to one aspect of the invention, the method for obtaining the project template set comprises the following steps:
and the project template comprises a feature tag, whether the feature tag is the same as the primary tag and the secondary tag or not is compared, and if the feature tag is the same as the primary tag and the secondary tag, the project template set is obtained according to the screened project template.
According to one aspect of the invention, the method for obtaining the matching degree list of the construction engineering project template comprises the following steps:
the matching degree comprises a template matching value, a template difference value, a building model matching value and a building model difference value, and the matching degree of each project template of the project template set and the first project amount set is summarized to obtain a building project template matching degree list;
traversing the project template set, matching each project template in the project template set with the first project amount set according to the following mode, obtaining the project amount of the project templates in the project template set, and obtaining a project task set T 1 Comparing the engineering task sets T one by one 1 If the engineering task set T is the engineering quantity in the first engineering quantity set 1 If the project quantity name and type of the project quantity in the first project quantity set are consistent or the identifier information is consistent, marking the project quantity as the same task and adding the same project quantity into a first same project quantity task set T 2 Otherwise, marking the engineering quantity as different tasks and adding the different engineering quantities into the first difference engineering quantity task set T 3 ；
Traversing the first same-engineering-quantity task set T 2 If the element is the same as the building information model category of at least one of the quantities in the first set of quantities, adding the element to the first set of identical models T 4 Otherwise, adding the element into the first difference model set T 5 ；
According to the first same engineering quantity task set T 2 And the engineering task set T 1 Obtaining the template matching value, wherein the calculation formula of the template matching value is M 1 =count(T 2 )/count(T 1 ) Wherein M is 1 For the template match value, count (T) 2 ) For the first same engineering volume task set T 2 Number of (2), count (T) 1 ) For the engineering task set T 1 The number of (2);
according to the first difference engineering quantity task set T 3 And the engineering task set T 1 Obtaining the template difference value, wherein the calculation formula of the template difference value is M 2 =count(T 3 )/count(T 1 ) Wherein M is 2 As the template difference value, count (T) 3 ) For the first difference engineering volume task set T 3 Number of (2), count (T) 1 ) For the engineering task set T 1 The number of (2);
according to the first same model set T 4 And the engineering task set T 1 Obtaining the building model matching value, wherein the calculation formula of the building model matching value is M 3 =count(T 4 )/count(T 1 ) Wherein M is 3 For the building model match value, count (T) 4 ) For the first same model set T 4 Number of (2), count (T) 1 ) Set T for the engineering task 1 The number of (2);
according to the first difference model set T 5 And the engineering task set T 1 Obtaining the difference value of the building model, wherein the calculation formula of the difference value of the building model is M 4 =count(T 5 )/count(T 1 ) Wherein M is 4 For the building model difference value, count (T) 5 ) Is the first difference model set T 5 Number of (2), count (T) 1 ) For the engineering task set T 1 The number of (2).
According to one aspect of the invention, the project template comprises a plurality of transaction templates, configuration items of the transaction templates comprise names, categories, measurement units, project periods, desensitization building information models and element attribute mapping tables of project task quantities, wherein numerical values of the workload in the building information models are replaced by default values to obtain the desensitization building information models, the element attribute mapping tables comprise mappings of a plurality of key values, wherein keys of the element attribute mapping tables are progress information of the project templates, and values of the element attribute mapping tables are character strings of elements in the building information models.
According to one aspect of the invention, the primary label is an engineering type label, an industry type label, an investment scale label, an operation type label, an operation scale label, a region label and a progress node label; the secondary labels are a user use frequency label, a template modification time label and an expert scoring label.
In order to achieve the above object, the present invention provides a recommendation system for a construction project template, comprising:
a first engineering quantity set acquisition module: acquiring a source file, wherein the source file comprises an engineering quantity label, a source engineering quantity list and a building information model, and traversing the engineering quantity contained in the source file to obtain a first engineering quantity set;
a project template screening module: acquiring a first-level label and a second-level label selected by a user, and screening a project template in a database according to the first-level label and the second-level label to obtain a project template set;
the item template recommendation module: and calculating the matching degree of the project template set and the first project amount set to obtain a building project template matching degree list, and recommending users according to the building project template matching degree list.
To achieve the above object, the present invention provides an electronic device, which includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, wherein the computer program, when executed by the processor, implements the above recommendation method for a building engineering project template.
To achieve the above object, the present invention provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the recommendation method for a construction project template.
Based on this, the beneficial effects of the invention are:
(1) The historical project experience is multiplexed in a template mode, and the informatization management of projects without digital bases is realized through a model of the multiplexed projects;
(2) The new construction project matching is carried out according to the difference of workload, so that the difference required to be solved is minimum when project experience is reused;
(3) The bidding document input by the user is matched with the template in the library, and the affairs are completed according to the template in the library, so that the risk of project management caused by insufficient experience is avoided.
Drawings
FIG. 1 is a flow chart that schematically illustrates a method for recommending building project templates, in accordance with the present invention;
FIG. 2 schematically represents a flow diagram of a recommendation system for construction project templates in accordance with the present invention.
Detailed Description
The present invention will now be discussed with reference to exemplary embodiments, it being understood that the embodiments discussed are only for the purpose of enabling a person of ordinary skill in the art to better understand and thus implement the contents of the present invention, and do not imply any limitation on the scope of the present invention.
As used herein, the term "include" and its variants are to be read as open-ended terms meaning "including, but not limited to. The term "based on" is to be read as "based, at least in part, on" and the terms "one embodiment" and "an embodiment" are to be read as "at least one embodiment".
Fig. 1 is a flow chart schematically illustrating a recommendation method of a construction project template according to the present invention, and as shown in fig. 1, the recommendation method of a construction project template according to the present invention includes:
acquiring a source file, wherein the source file comprises an engineering quantity label, a source engineering quantity list and a building information model, and traversing the engineering quantity contained in the source file to obtain a first engineering quantity set;
acquiring a first-level label and a second-level label selected by a user, and screening a project template in a database according to the first-level label and the second-level label to obtain a project template set;
and calculating the matching degree of the project template set and the first project amount set to obtain a construction project template matching degree list, and recommending users according to the construction project template matching degree list.
According to one embodiment of the present invention, the method for obtaining the first engineering quantity set comprises:
the source engineering quantity list comprises engineering quantity names, calculation rules, metering numbers and periods;
searching the project quantity label in a database to obtain a first source project quantity;
searching a source engineering quantity list in a database to obtain a second source engineering quantity;
and combining the first source engineering quantity and the second source engineering quantity to obtain a first engineering quantity set.
According to an embodiment of the present invention, a method for combining a first source engineering quantity and a second source engineering quantity to obtain a first engineering quantity set comprises:
acquiring identifier information of a first source engineering quantity, and acquiring a first source engineering quantity identifier set according to the identifier information;
acquiring identifier information of a second source engineering quantity, and acquiring a second source engineering quantity identifier set according to the identifier information;
comparing the identifier information of the first source engineering quantity with the identifier information of the second source engineering quantity to obtain a third source engineering quantity with the same identifier information;
and combining the first source engineering quantity identifier set and the second source engineering quantity identifier set, and then carrying out duplicate removal on the third source engineering quantity to obtain a first engineering quantity set.
According to one embodiment of the invention, the method for obtaining the project template set comprises the following steps:
and the project template comprises a feature tag, whether the feature tag is the same as the primary tag and the secondary tag or not is compared, and if the feature tag is the same as the primary tag and the secondary tag, a project template set is obtained according to the screened project template.
According to one embodiment of the invention, the method for obtaining the building engineering project template matching degree list comprises the following steps:
matching degrees comprise template matching values, template difference values, building model matching values and building model difference values, and summarizing the matching degrees of each project template and the first project quantity set of the project template set to obtain a building project template matching degree list;
traversing the project template set, matching each project template in the project template set with the first engineering quantity set according to the following mode, obtaining the engineering quantity of the project templates in the project template set, and obtaining an engineering task set T 1 Comparing the engineering task sets T one by one 1 If the project task set T includes the project quantity in the first project quantity set and the project quantity in the first project quantity set 1 If the project quantity name and type are consistent or the identifier information is consistent with the project quantity name and type of the project quantity in the first project quantity set, marking the project quantity as the same task and adding the same project quantity into a first same project quantity task set T 2 Otherwise, marking the engineering quantity as different tasks and adding the different engineering quantities into the first difference engineering quantity task set T 3 ；
Traversing the first same engineering quantity task set T 2 If the element and the construction information of at least one of the construction quantities in the first construction quantity setIf the model types are the same, adding elements into the first same model set T 4 Otherwise, adding the element into the first difference model set T 5 ；
According to the first same engineering quantity task set T 2 And engineering task set T 1 Obtaining a template matching value with a calculation formula of M 1 =count(T 2 )/count(T 1 ) Wherein M is 1 As template matching value, count (T) 2 ) For the first same engineering volume task set T 2 Number of (2), count (T) 1 ) Set T for engineering task 1 The number of (2);
task set T according to first difference engineering quantity 3 And engineering task set T 1 Obtaining a template difference value, wherein the calculation formula of the template difference value is M 2 =count(T 3 )/count(T 1 ) Wherein M is 2 As the template difference value, count (T) 3 ) For the first difference engineering volume task set T 3 Number of (2), count (T) 1 ) Set T for engineering task 1 The number of (2);
according to the first same model set T 4 And engineering task set T 1 Obtaining a building model matching value, wherein the calculation formula of the building model matching value is M 3 =count(T 4 )/count(T 1 ) Wherein M is 3 For the building model matching value, count (T) 4 ) Is a first set of identical models T 4 Number of (2), count (T) 1 ) Set T for engineering task 1 The number of (2);
according to the first difference model set T 5 And engineering task set T 1 Obtaining a difference value of the building model, wherein the calculation formula of the difference value of the building model is M 4 =count(T 5 )/count(T 1 ) Wherein M is 4 As the building model difference value, count (T) 5 ) Is a first difference model set T 5 Number of (2), count (T) 1 ) Set of engineering tasks T 1 The number of (2).
According to one embodiment of the invention, the project template comprises a plurality of transaction templates, the configuration items of the transaction templates comprise the names, the categories, the metering units, the project periods, the desensitization building information model and an element attribute mapping table, wherein the desensitization building information model is obtained by replacing the numerical values of the workload in the building information model with default values, the element attribute mapping table comprises mappings of a plurality of key values, wherein the keys of the element attribute mapping table are progress information of the project template, and the values of the element attribute mapping table are character strings of elements in the building information model.
According to one embodiment of the invention, the first-level tags are project type tags, industry type tags, investment scale tags, operation type tags, operation scale tags, region tags and progress node tags; the secondary label is a user use frequency label, a template modification time label and an expert scoring label.
According to one embodiment of the invention, the source file can be a bid document, a CAD drawing, a project description document or other documents for indicating the project task amount, and the corresponding documents are stored in a database, the source file has a project amount label, a source project amount list and a building information model, the source file at least comprises the bid document or the bid document, and the project amount label in the source file can be the same as the identifier information;
according to an embodiment of the present invention, the method is applied to a case where the instruction of the work amount is performed using the tag, for example, when an identifier matching an item template identifier (for example, a column ID) in the database is used in the bid document, the corresponding work amount can be directly acquired by reading the identifier in the bid document, and when the bid document does not include the corresponding identifier and the identifier information cannot be extracted, the work amount is stored by a name or a list.
According to one embodiment of the invention, the feature tags in the project template embody project template features, and the source of the feature tags is input by a user or extracted by rules or obtained by NLP extraction of keywords or entities.
According to one embodiment of the invention, the bid document or the bid document can be a document containing a building information model BIM, when bid is performed, the BIM is placed in the bid document to provide a basis for subsequent extraction of engineering quantity, and the BIM provides a complete building engineering information base consistent with actual conditions for the development process of projects by establishing a virtual building engineering three-dimensional model and utilizing a digitization technology. The information base not only contains geometrical information, professional attributes and state information describing the building components, but also contains state information of non-component objects. The invention can realize the consistency of internal and external management by adding and updating the BIM model element attributes and changing the elements.
According to one embodiment of the invention, in order to avoid that the tenderer and the bidder use inconsistent expressions for the model involved in the construction, a BIM model can be preset in the tendering file, and basic elements containing identifier information labels are used in the preset BIM model, for example, a character string beginning or ending with a keyword ZZT is used as a name identifier for a node of the model tree, so that when the basic elements of the engineering project contained in the BIM model are read, the engineering quantity which meets the requirements of the tenderer and can be quickly calculated can be obtained. In order to avoid that the bidder does not use the BIM model or uses a non-preset model, the response file can be verified in the verification link of the bid file, so that the defects are avoided. The BIM file can be selected from CAD or Revit format, and the secondary development can be carried out by using Python or c #. In addition, in order to avoid errors caused by label errors, in the following embodiments, a matching rule is used for matching tasks and engineering transaction items in a strict matching manner, that is, in the case that the engineering quantity and the identifier are consistent, and the example processing is performed on the engineering quantity which is not strictly consistent due to the identifier and the engineering quantity.
According to an embodiment of the invention, the recommendation method for the construction engineering project template further comprises a database, wherein the database stores the construction engineering project template and a transaction template in the project template, and the construction engineering transaction template and the transaction template both have unique key values. The database may be MySQL, MSSQL, or other relational database.
According to an embodiment of the invention, the received source file can be further subjected to format verification, and whether the input source file comprises a qualified building information model file or contains an extractable text file is judged. For example, when the provided file is a compressed package, the file is decompressed by using the c #, the obtained file is distinguished according to the extension, the BIM model file is analyzed, if the analysis process throws an exception, the BIM model is not considered to belong to the qualified building information model file, the engineering quantity is not extracted or is marked as the engineering quantity of the difference to be solved in the subsequent processing process according to the requirement, and the engineering quantity can be contained in the technical file or the building information model or obtained by referring to the two because of the difference of the source files.
According to one embodiment of the invention, the primary label is determined when the template is configured, or is indexed by a user in the using process; the secondary label is dynamically updated according to the use condition of the user, and the frequency of dynamic update can be immediate update after use or update at regular time, such as daily update.
According to one embodiment of the invention, a reflection toolkit is used for initializing any project template by using Java, and the specific process is as follows: according to the attribute items (such as String, integer and Long basic classes) corresponding to the name, the category, the metering unit, the engineering period, the desensitization building information model and the element attribute mapping table of the engineering task quantity contained in the configuration item and the attribute items (such as HashMap, file, arrayList containing types and other sub-fields) containing the reference information, the basic attribute items and the attribute items containing the reference information are instantiated to obtain an instantiated project template class, and the project template class can be used for instantiating a transaction template. For the implementation of transaction template restoration, data Access Objects (DAO) or Business Object layers (BO) may also be referred to.
According to one embodiment of the invention, after the instantiation of the project template class is completed, a new project transaction item unit is generated by using the initialized project template class, the attribute of the project quantity of the project transaction item unit is set according to the value in the first project quantity set, or the default value of the transaction template is used, or the value input by a user is used for initialization, the digital information model is initialized, for example, the model in the source file is used as the digital information model, whether the attribute of the element in the BIM model exists or not is checked, and if the attribute does not exist, the digital information model is created; if the source file does not comprise a model, a desensitization information model is used as a digital information model of the engineering affair item unit, the engineering affair item unit comprises an engineering task amount management unit, an input unit, an output unit and a risk calculation unit, the engineering task amount management unit is used for storing engineering task amount and a progress plan, the input unit is used for receiving and verifying input information, and the output unit is used for updating the engineering task amount and the digital information model; and the risk calculation unit evaluates the risk information of the engineering affair item according to the engineering task amount and the schedule.
According to an embodiment of the present invention, the engineering quantity label can be obtained in two ways, the first way is to extract keywords contained in the technical document in the bidding document, such as by setting a response document format (e.g. CAD drawing, excel table, word table which must provide meeting requirements, and using terms agreed in the bidding document) or a bidder inputting a response value at a client according to the requirements of the bidding document to obtain formatted data; or the owner provides a term library related to the engineering quantity, and searches the appeared terms item by item in the technical file, so that if one term (such as 'bathtub') is found, the character strings, the numerical values and the metering words in the date format of the adjacent appeared term are continuously searched and are used as the engineering quantity to be calculated.
Another way is to perform the process on a digital information model, as mentioned above, the BIM model itself includes information of the engineering quantity and the project progress, and the engineering quantity can also be obtained by extracting the information.
The aforementioned engineering quantities can be compared to remove duplication, and the engineering quantities with the difference solved are used as a first engineering quantity set. The method for solving the difference value can be to provide a user interface, and the user rejects or passes the engineering quantity stored in the BIM and the engineering quantity provided according to the response file and removes the rejected engineering quantity to obtain the first engineering quantity set.
According to one embodiment of the invention, although the calculation of the project amount based on the bid document is feasible, part of the owner units do not grasp part of the information at the beginning of the project, for example, a common bid document template is used, but different regions have requirements for specific details of the project construction. Thus, the keywords can be used to search within the database and obtain the quantities of work that are not included in the source quantities of work but are described in the project templates.
According to one embodiment of the invention, the first-level tag or the second-level tag can be transmitted to the foreground in a JSON format, and a user can select the tags and send the tags to the server in a POST mode so as to match the tags according to the user selection.
Furthermore, in order to achieve the above objects, the present invention also provides a recommendation system for construction project templates, fig. 2 schematically shows a flow chart of the recommendation system for construction project templates according to the present invention, and as shown in fig. 2, the recommendation system for construction project templates according to the present invention comprises:
a first engineering quantity set acquisition module: acquiring a source file, wherein the source file comprises an engineering quantity label, a source engineering quantity list and a building information model, and traversing the engineering quantity contained in the source file to obtain a first engineering quantity set;
a project template screening module: the method comprises the steps of obtaining a first-level label and a second-level label selected by a user, screening project templates in a database according to the first-level label and the second-level label, and obtaining a project template set;
the item template recommendation module: and calculating the matching degree of the project template set and the first project amount set to obtain a building project template matching degree list, and recommending users according to the building project template matching degree list.
According to an embodiment of the present invention, the method for obtaining the first engineering quantity set by using the first engineering quantity set obtaining module includes:
the source engineering quantity list comprises engineering quantity names, calculation rules, metering numbers and periods;
searching the project quantity label in the database to obtain a first source project quantity;
searching a source engineering quantity list in a database to obtain a second source engineering quantity;
and combining the first source engineering quantity and the second source engineering quantity to obtain a first engineering quantity set.
According to one embodiment of the present invention, the method for combining the first source engineering quantity and the second source engineering quantity to obtain the first engineering quantity set comprises:
acquiring identifier information of the first source engineering quantity, and acquiring a first source engineering quantity identifier set according to the identifier information;
acquiring identifier information of a second source engineering quantity, and acquiring a second source engineering quantity identifier set according to the identifier information;
comparing the identifier information of the first source engineering quantity with the identifier information of the second source engineering quantity to obtain a third source engineering quantity with the same identifier information;
and combining the first source engineering quantity identifier set and the second source engineering quantity identifier set, and then carrying out deduplication on the third source engineering quantity to obtain a first engineering quantity set.
According to one embodiment of the present invention, a method for obtaining a project template set by using a project template screening module comprises:
and the project template comprises a feature tag, whether the feature tag is the same as the primary tag and the secondary tag or not is compared, and if the feature tag is the same as the primary tag and the secondary tag, a project template set is obtained according to the screened project template.
According to one embodiment of the invention, the method for obtaining the building engineering project template matching degree list by using the project template recommendation module comprises the following steps:
the matching degree comprises a template matching value, a template difference value, a building model matching value and a building model difference value, and the matching degree of each project template and the first project amount set is summarized to obtain a building engineering project template matching degree list;
traversing the project template set, matching each project template in the project template set with the first engineering quantity set according to the following mode, obtaining the engineering quantity of the project templates in the project template set, and obtaining an engineering task set T 1 Comparing the engineering one by oneTask set T 1 The engineering quantity in the first engineering quantity set, if the engineering task set T 1 If the project quantity name and type are consistent or the identifier information is consistent with the project quantity name and type of the project quantity in the first project quantity set, marking the project quantity as the same task and adding the same project quantity into a first same project quantity task set T 2 Otherwise, marking the engineering quantity as different tasks and adding the different engineering quantities into the first difference engineering quantity task set T 3 ；
Traversing a first same-engineering-quantity task set T 2 If the element is the same as the building information model type of at least one of the quantities in the first set of quantities, the element is added to the first set of identical models T 4 Otherwise, adding the element into the first difference model set T 5 ；
According to the first same engineering quantity task set T 2 And engineering task set T 1 Obtaining a template matching value, wherein the calculation formula of the template matching value is M 1 =count(T 2 )/count(T 1 ) Wherein M is 1 As template matching value, count (T) 2 ) For the first same engineering quantity task set T 2 Number of (2), count (T) 1 ) Set of engineering tasks T 1 The number of (2);
task set T according to first difference engineering quantity 3 And engineering task set T 1 Obtaining a template difference value, wherein the calculation formula of the template difference value is M 2 =count(T 3 )/count(T 1 ) Wherein M is 2 As the template difference value, count (T) 3 ) For the first difference engineering volume task set T 3 Number of (2), count (T) 1 ) Set of engineering tasks T 1 The number of (2);
according to the first same model set T 4 And engineering task set T 1 Obtaining a building model matching value, wherein the calculation formula of the building model matching value is M 3 =count(T 4 )/count(T 1 ) Wherein M is 3 For the building model matching value, count (T) 4 ) Is a first set of identical models T 4 Number of (2), count (T) 1 ) Set T for engineering task 1 The number of (2);
according to the firstDifference model set T 5 And engineering task set T 1 Obtaining a difference value of the building model, wherein the calculation formula of the difference value of the building model is M 4 =count(T 5 )/count(T 1 ) Wherein M is 4 As a building model difference value, count (T) 5 ) As a first set of difference models T 5 Number of (c), count (T) 1 ) Set of engineering tasks T 1 The number of (2).
According to one embodiment of the invention, the project template comprises a plurality of transaction templates, configuration items of the transaction templates comprise names, categories, measurement units, project periods, desensitized building information models and element attribute mapping tables of project task quantities, wherein numerical values of workload in the building information models are replaced by default values to obtain the desensitized building information models, the element attribute mapping tables comprise mappings of a plurality of key values, wherein keys of the element attribute mapping tables are progress information of the project template, and values of the element attribute mapping tables are character strings of elements in the building information models.
According to one embodiment of the invention, the first-level tags are project type tags, industry type tags, investment scale tags, operation type tags, operation scale tags, region tags and progress node tags; the secondary label is a user use frequency label, a template modification time label and an expert scoring label.
According to one embodiment of the invention, the source file can be a bidding file, a CAD drawing, a project description file or other files for indicating the engineering task amount, and the corresponding files are stored in a database, the source file is provided with an engineering amount label, a source engineering amount list and a building information model, the source file at least comprises the bidding file or the bidding file, and the engineering amount label in the source file can be the same as the identifier information;
according to an embodiment of the present invention, the method is applied to a case where the instruction of the work amount is performed using the tag, for example, when an identifier matching an item template identifier (for example, a column ID) in the database is used in the bid document, the corresponding work amount can be directly acquired by reading the identifier in the bid document, and when the bid document does not include the corresponding identifier and the identifier information cannot be extracted, the work amount is stored by a name or a list.
According to one embodiment of the invention, the feature tags in the project template embody project template features, and the source of the feature tags is input by a user or extracted by rules or obtained by NLP extraction of keywords or entities.
According to one embodiment of the invention, the bid document or the bid document can be a document containing a building information model BIM, when bid is performed, the BIM is placed in the bid document to provide a basis for subsequent extraction of engineering quantity, and the BIM provides a complete building engineering information base consistent with actual conditions for the development process of projects by establishing a virtual building engineering three-dimensional model and utilizing a digitization technology. The information base not only contains geometrical information, professional attributes and state information describing the building components, but also contains state information of non-component objects. The invention can realize the consistency of internal and external management by adding and updating the BIM model element attributes and changing the elements.
According to one embodiment of the invention, in order to avoid that the tenderer and the bidder use inconsistent expressions for the model involved in the construction, a BIM model can be preset in the tendering file, and basic elements containing identifier information labels are used in the preset BIM model, for example, a character string beginning or ending with a keyword ZZT is used as a name identifier for a node of the model tree, so that when the basic elements of the engineering project contained in the BIM model are read, the engineering quantity which meets the requirements of the tenderer and can be quickly calculated can be obtained. In order to avoid that the bidder does not use the BIM model or uses a non-preset model, the response file can be verified in the verification link of the bid file, so that the defects are avoided. The BIM file can be selected from CAD or Revit format, and the secondary development can be carried out by using Python or c #. In addition, in order to avoid errors caused by label errors, in the following embodiments, the matching rule is used as strict matching, that is, the task and the engineering transaction item are matched if the engineering quantity and the identifier are consistent, and the example processing is performed on the engineering quantity which is not strictly consistent due to the identifier and the engineering quantity.
According to one embodiment of the invention, the recommendation method of the construction engineering project template further comprises a database, wherein the database stores the construction engineering project template and a transaction template in the project template, and the construction engineering transaction template and the transaction template both have unique key values. The database may be MySQL, MSSQL, or other relational database.
According to an embodiment of the present invention, format verification may be further performed on the received source file, and it may be determined whether the input source file includes a qualified building information model file or includes an extractable text file. For example, when the provided file is a compressed package, the file is decompressed by using the c #, the obtained file is distinguished according to the extension, the BIM model file is analyzed, if the analysis process throws an exception, the BIM model is not considered to belong to the qualified building information model file, the engineering quantity is not extracted or is marked as the engineering quantity of the difference to be solved in the subsequent processing process according to the requirement, and the engineering quantity can be contained in the technical file or the building information model or obtained by referring to the two because of the difference of the source files.
According to one embodiment of the invention, the primary label is determined when the template is configured, or is indexed through the use process of a user; the secondary label is dynamically updated according to the use condition of the user, and the frequency of dynamic update can be immediate update after use or update at regular time, such as daily update.
According to one embodiment of the invention, a reflection toolkit is used for initializing any project template by using Java, and the specific process is as follows: according to the attribute items (such as String, integer and Long basic classes) corresponding to the name, the category, the metering unit, the engineering period, the desensitization building information model and the element attribute mapping table of the engineering task quantity contained in the configuration item and the attribute items (such as HashMap, file, arrayList containing types and other sub-fields) containing the reference information, the basic attribute items and the attribute items containing the reference information are instantiated to obtain an instantiated project template class, and the project template class can be used for instantiating a transaction template. For the implementation of transaction template recovery, data Access Objects (DAO) or Business Object layers (BO) may also be referred to.
According to one embodiment of the invention, after the instantiation of the project template class is completed, a new project transaction item unit is generated by using the initialized project template class, the attributes of the project amount of the project transaction item unit are set according to the values in the first project amount set, or the default values of the transaction template are used, or the values input by a user are used for initialization, the digital information model is initialized, for example, the model in the source file is used as the digital information model, whether the element attributes in the BIM model exist or not is checked, and if the element attributes do not exist, the digital information model is created; if the source file does not comprise a model, a desensitization information model is used as a digital information model of the engineering affair item unit, the engineering affair item unit comprises an engineering task amount management unit, an input unit, an output unit and a risk calculation unit, the engineering task amount management unit is used for storing engineering task amount and a progress plan, the input unit is used for receiving and verifying input information, and the output unit is used for updating the engineering task amount and the digital information model; and the risk calculation unit evaluates the risk information of the engineering affair item according to the engineering task amount and the schedule.
According to an embodiment of the present invention, the engineering quantity label can be obtained in two ways, the first way is to extract keywords contained in a technical document in the bid document, for example, formatted data can be obtained by setting a response document format (for example, CAD drawings, excel tables, and Word tables which must provide meeting requirements, and terms agreed in the bid document are used) or a bidder inputs a response value at a client according to the requirements of the bid document; or the owner provides a term library related to the engineering quantity, and searches the appeared terms item by item in the technical file, so that if one term (such as 'bathtub') is found, the character strings, the numerical values and the metering words in the date format of the adjacent appeared term are continuously searched and are used as the engineering quantity to be calculated.
Another way is to perform the process on a digital information model, as mentioned above, the BIM model itself includes information of the engineering quantity and the project progress, and the engineering quantity can also be obtained by extracting the information.
The aforementioned engineering quantities can be compared to remove duplication, and the engineering quantities with the difference solved are used as a first engineering quantity set. The method for solving the difference value can be to provide a user interface, and the user rejects or passes the engineering quantity stored in the BIM and the engineering quantity provided according to the response file and removes the rejected engineering quantity to obtain the first engineering quantity set.
According to one embodiment of the invention, although the calculation of the project amount based on the bid document is feasible, part of the owner units do not grasp part of the information at the beginning of the project, for example, a common bid document template is used, but different regions have requirements for specific details of the project construction. Thus, the keyword can be used to search the database and obtain the project amount that is not included in the source project amount but is described in the project template.
According to one embodiment of the invention, the primary label or the secondary label can be transmitted to the foreground in a JSON format, and the user can select the primary label or the secondary label and send the selected primary label or the secondary label to the server in a POST mode so as to match the template according to the label selected by the user.
To achieve the above object, the present invention further provides an electronic device, including: the system comprises a processor, a memory and a computer program stored on the memory and capable of running on the processor, wherein the computer program realizes the recommendation method of the building engineering project template when being executed by the processor.
In order to achieve the above object, the present invention further provides a computer readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the method for recommending a building engineering project template.
Based on the above, the method has the advantages that historical project experiences are multiplexed in a template mode, informatization management of projects without digital foundations is achieved through a project multiplexing model, new construction project matching is conducted according to the difference of workload, so that the difference needing to be solved is minimum when the project experiences are multiplexed, matching is conducted through bidding documents input by users and templates in a library, and affairs are completed according to the templates in the library, so that the risk of project management caused by insufficient experiences is avoided.
Those of ordinary skill in the art will appreciate that the modules and algorithm steps described in connection with the embodiments disclosed herein can be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and devices may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical division, and in actual implementation, there may be other divisions, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed coupling or direct coupling or communication connection between each other may be through some interfaces, indirect coupling or communication connection between devices or modules, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
In addition, each functional module in the embodiments of the present invention may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention or a part thereof which substantially contributes to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method for transmitting/receiving the energy saving signal according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The foregoing description is only exemplary of the preferred embodiments of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
It should be understood that the order of execution of the steps in the summary of the invention and the embodiments of the present invention does not absolutely imply any order of execution, and the order of execution of the steps should be determined by their functions and inherent logic, and should not be construed as limiting the process of the embodiments of the present invention.

Claims (9)

1. A recommendation method for a construction project template is characterized by comprising the following steps:
acquiring a source file, wherein the source file comprises an engineering quantity label, a source engineering quantity list and a building information model, and traversing the engineering quantity contained in the source file to obtain a first engineering quantity set;
acquiring a first-level label and a second-level label selected by a user, and screening a project template in a database according to the first-level label and the second-level label to obtain a project template set;
calculating the matching degree of the project template set and the first project amount set to obtain a building project template matching degree list, recommending users according to the building project template matching degree list, wherein the method for obtaining the building project template matching degree list comprises the steps that the matching degree comprises a template matching value, a template difference value, a building model matching value and a building model difference value, and summarizing the matching degree of each project template of the project template set and the first project amount set to obtain the building project template matching degree list;
traversing the project template set, matching each project template in the project template set with the first engineering quantity set according to the following mode, obtaining the engineering quantity of the project templates in the project template set, and obtaining an engineering task set T 1 Comparing the engineering task sets T one by one 1 If the engineering task set T is the engineering quantity in the first engineering quantity set 1 Marking the engineering quantities as the same task and adding the same engineering quantities into a first same engineering quantity task set T if the engineering quantities in the first engineering quantity set are consistent with the engineering quantity names and types or the identifier information of the engineering quantities in the first engineering quantity set 2 Otherwise, marking the engineering quantity as different tasks and adding the different engineering quantities into the first different engineering quantity task set T 3 ；
Traversing the first same-engineering-quantity task set T 2 If the element is the same as the building information model category of at least one of the quantities in the first set of quantities, adding the element to the first set of identical models T 4 Whether or notAdd the element to the first set of difference models T 5 ；
According to the first same engineering quantity task set T 2 And the engineering task set T 1 Obtaining the template matching value, wherein the calculation formula of the template matching value is M 1 =count(T 2 )/count(T 1 ) Wherein M is 1 For the template match value, count (T) 2 ) For the first same-engineering-quantity task set T 2 Number of (2), count (T) 1 ) For the engineering task set T 1 The number of (2);
according to the first difference engineering quantity task set T 3 And the engineering task set T 1 Obtaining the template difference value, wherein the calculation formula of the template difference value is M 2 =count(T 3 )/count(T 1 ) Wherein M is 2 As the template difference value, count (T) 3 ) For the first difference engineering volume task set T 3 Number of (c), count (T) 1 ) For the engineering task set T 1 The number of (2);
according to the first same model set T 4 And the engineering task set T 1 Obtaining the building model matching value, wherein the calculation formula of the building model matching value is M 3 =count(T 4 )/count(T 1 ) Wherein M is 3 For the building model matching value, count (T) 4 ) For the first same model set T 4 Number of (2), count (T) 1 ) Set T for the engineering task 1 The number of (2);
according to the first difference model set T 5 And the engineering task set T 1 Obtaining a difference value of the building model, wherein the calculation formula of the difference value of the building model is M 4 =count(T 5 )/count(T 1 ) Wherein M is 4 For the building model difference value, count (T) 5 ) Is the first difference model set T 5 Number of (c), count (T) 1 ) For the engineering task set T 1 The number of (2).
2. The method for recommending a construction engineering project template according to claim 1, wherein said method for obtaining a first set of engineering quantities is:
the source engineering quantity list comprises engineering quantity names, calculation rules, metering numbers and periods;
searching the engineering quantity label in a database to obtain a first source engineering quantity;
searching the source engineering quantity list in a database to obtain a second source engineering quantity;
and combining the first source engineering quantity and the second source engineering quantity to obtain the first engineering quantity set.
3. The method as claimed in claim 2, wherein the step of combining the first source quantities and the second source quantities to obtain the first set of quantities comprises:
acquiring identifier information of the first source engineering quantity, and acquiring a first source engineering quantity identifier set according to the identifier information;
acquiring identifier information of the second source engineering quantity, and acquiring a second source engineering quantity identifier set according to the identifier information;
comparing the identifier information of the first source engineering quantity with the identifier information of the second source engineering quantity to obtain a third source engineering quantity with the same identifier information;
and carrying out duplicate removal on the third source engineering quantity to obtain the first engineering quantity set.
4. The method for recommending building engineering project templates of claim 3, wherein the method for obtaining the project template set comprises:
and the project template comprises a feature tag, whether the feature tag is the same as the primary tag and the secondary tag or not is compared, and if the feature tag is the same as the primary tag and the secondary tag, the project template set is obtained according to the screened project template.
5. The recommendation method for construction engineering project templates according to claim 4, wherein the project templates include a plurality of transaction templates, the configuration items of the transaction templates include names, categories, measurement units, engineering cycles, desensitization building information models and element attribute mapping tables of engineering task quantities, wherein the desensitization building information models are obtained by replacing numerical values of workload in the building information models with default values, the element attribute mapping tables include mappings of a plurality of key values, wherein keys of the element attribute mapping tables are progress information of the project templates, and values of the element attribute mapping tables are character strings of elements in the building information models.
6. The method of claim 5, wherein the primary label is a project type label, an industry type label, an investment scale label, an operation type label, an operation scale label, a region label, and a progress node label; the secondary labels are a user use frequency label, a template modification time label and an expert scoring label.
7. A recommendation system for a construction project template, comprising:
a first engineering quantity set acquisition module: acquiring a source file, wherein the source file comprises an engineering quantity label, a source engineering quantity list and a building information model, and traversing the engineering quantity contained in the source file to obtain a first engineering quantity set;
a project template screening module: the method comprises the steps of obtaining a first-level label and a second-level label selected by a user, screening project templates in a database according to the first-level label and the second-level label, and obtaining a project template set;
the item template recommendation module: calculating the matching degree of the project template set and the first project amount set to obtain a building project template matching degree list, recommending users according to the building project template matching degree list, wherein the method for obtaining the building project template matching degree list comprises the steps that the matching degree comprises a template matching value, a template difference value, a building model matching value and a building model difference value, and summarizing the matching degree of each project template of the project template set and the first project amount set to obtain the building project template matching degree list;
traversing the project template set, matching each project template in the project template set with the first project amount set according to the following mode, obtaining the project amount of the project templates in the project template set, and obtaining a project task set T 1 Comparing the engineering task sets T one by one 1 If the engineering task set T is the engineering quantity in the first engineering quantity set 1 Marking the engineering quantities as the same task and adding the same engineering quantities into a first same engineering quantity task set T if the engineering quantities in the first engineering quantity set are consistent with the engineering quantity names and types or the identifier information of the engineering quantities in the first engineering quantity set 2 Otherwise, marking the engineering quantity as different tasks and adding the different engineering quantities into the first difference engineering quantity task set T 3 ；
Traversing the first same-engineering-quantity task set T 2 If the element is the same as the building information model category of at least one of the quantities in the first set of quantities, adding the element to the first set of identical models T 4 Otherwise, adding the element into the first difference model set T 5 ；
According to the first same engineering quantity task set T 2 And the engineering task set T 1 Obtaining the template matching value, wherein the calculation formula of the template matching value is M 1 =count(T 2 )/count(T 1 ) Wherein M is 1 For the template match value, count (T) 2 ) For the first same engineering volume task set T 2 Number of (2), count (T) 1 ) For the engineering task set T 1 The number of (2);
according to the first difference engineering quantity task set T 3 And the engineering task set T 1 Obtaining the template difference value, wherein the calculation formula of the template difference value is M 2 =count(T 3 )/count(T 1 ) Wherein M is 2 As the template difference value, count (T) 3 ) For the first difference engineering volume task set T 3 Number of (2), count (T) 1 ) Is composed ofThe engineering task set T 1 The number of (2);
according to the first same model set T 4 And the engineering task set T 1 Obtaining the building model matching value, wherein the calculation formula of the building model matching value is M 3 =count(T 4 )/count(T 1 ) Wherein M is 3 For the building model match value, count (T) 4 ) For the first same model set T 4 Number of (2), count (T) 1 ) For the engineering task set T 1 The number of (2);
according to the first difference model set T 5 And the engineering task set T 1 Obtaining a difference value of the building model, wherein the calculation formula of the difference value of the building model is M 4 =count(T 5 )/count(T 1 ) Wherein M is 4 For the building model difference value, count (T) 5 ) Is the first difference model set T 5 Number of (2), count (T) 1 ) For the engineering task set T 1 The number of (2).
8. An electronic device comprising a processor, a memory, and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing a method of recommending a construction project template according to any of claims 1-6.
9. A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out a method of recommendation of a construction project template as claimed in any one of claims 1 to 6.
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