CN111127068A - Automatic pricing method and device for engineering quantity list - Google Patents
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Abstract
The invention provides an automatic pricing method for a project amount list, and belongs to the technical field of construction project cost. The automatic pricing method for the project amount list comprises the following steps: acquiring the description information of a list subdirectory; utilizing an industry dictionary library to perform word segmentation on the list description information to obtain list keywords; determining a corresponding quota group price scheme group according to the identification marks of the list subdirectories; utilizing an industry dictionary library to perform word segmentation on each quota group price scheme in the quota group price scheme group to obtain scheme keywords of each quota group price scheme; and comparing the similarity of the list keywords and the scheme keywords of each quota group price scheme to determine the quota group price scheme corresponding to the list subdirectory. The automatic pricing method and the automatic pricing system for the engineering quantity list can realize the automatic matching of the engineering quantity list with the quota pricing plan, reduce the workload burden of construction cost engineers, improve the working efficiency and reduce the error risk.
Description
Technical Field
The invention belongs to the technical field of construction engineering cost, and particularly relates to an automatic pricing method and device for an engineering quantity list.
Background
With the release of the national construction engineering quantity list specification, more and more construction engineering projects are required by adopting the engineering quantity list pricing specification. Meanwhile, the informatization degree of the construction project cost is continuously improved, the construction project cost basically adopts the application of full-electronic digitization, and the efficiency of a cost engineer in planning project budget is greatly improved through an informatization technology. Since the first release of the work volume inventory pricing specifications, released in 2003, cost applications applied to the work volume inventory pricing specifications have begun to appear on the market. The system is convenient for a construction engineer to compile a project amount list according to standards and finish a quota pricing process when the construction engineer compiles the construction cost, and adopts consistent calculation rules to finish the statistical calculation of the whole construction cost.
However, in the construction cost of each construction project, the construction engineer needs to apply relevant quota according to the actual description information of the engineering quantity list to complete the pricing process for each engineering quantity list. An engineering project generally has hundreds to thousands or even nearly ten thousand engineering quantity inventory subdirectories, and each engineering quantity inventory subdirectory needs to be priced by applying one or more quota, so that a great deal of repetitive labor and error possibility exist.
Disclosure of Invention
The invention provides an automatic pricing method and system for an engineering quantity list, which can realize the automatic matching of the engineering quantity list with a quota pricing scheme, reduce the workload burden of a construction engineer, improve the working efficiency and reduce the error risk.
In order to solve the technical problem, the invention provides an automatic pricing method for an engineering quantity list, which comprises the following steps:
acquiring the description information of a list subdirectory;
utilizing an industry dictionary library to perform word segmentation on the list description information to obtain one or more list keywords;
determining a corresponding quota group price scheme group according to the identification marks of the list subdirectories;
utilizing an industry dictionary library to perform word segmentation on each quota group price scheme in the quota group price scheme group to obtain scheme keywords of each quota group price scheme;
and comparing the similarity of the list keywords and the scheme keywords of each quota group price scheme to determine the quota group price scheme corresponding to the list subdirectory.
According to an embodiment of the present invention, the creating of the industry dictionary database includes:
collecting the list description information and quota scheme description information of all the list subdirectories in the electronic file of the budget book of the finished construction project;
separating all the list description information and the quota scheme description information into a string of short sentence lists according to a preset separator;
taking each character of each string of short sentences as a node, establishing a tree structure according to the front-back position relation, and recording the occurrence times of the words formed by the front-back characters;
and outputting words and word frequency according to the word frequency sequence to generate an industry dictionary database.
According to another embodiment of the present invention, the step of generating the industry dictionary base by outputting words and word frequencies according to the word frequency sequence further comprises:
and removing words of single characters in the output words according to the word frequency sequence.
According to another embodiment of the present invention, the step of determining the corresponding quota group price scheme group according to the identification of the inventory subdirectory comprises:
finding a plurality of corresponding quota group price schemes in a quota group price scheme library according to the identification marks of the list subdirectories;
and (4) forming a plurality of quota pricing schemes into a quota pricing scheme group.
According to another embodiment of the present invention, the mining of the quota scheme group keyword of the quota pricing scheme group through the industry dictionary database specifically includes:
collecting quota description information of the same quota group price scheme, wherein the same quota group price scheme forms a quota group price scheme group;
utilizing an industry dictionary library to perform word segmentation on the quota description information of the same quota group price scheme to obtain scheme keywords of the quota group price scheme group;
utilizing an industry dictionary base to perform word segmentation on a plurality of list sub-description information corresponding to the same quota group price scheme to obtain list keywords of the quota group price scheme group;
and comparing the list keywords and the scheme keywords of the quota group price scheme group, and taking the same keywords as the quota scheme group keywords of the quota group price scheme group.
According to another embodiment of the present invention, the step of comparing the listing keyword and the plan keyword of the quota group price plan set and using the same keyword as the quota plan set keyword of the quota group price plan set further comprises:
and performing word frequency analysis on the same keywords, and removing low-frequency keywords.
According to another embodiment of the present invention, the step of comparing the listing keyword and the plan keyword of the quota group price plan set and using the same keyword as the quota plan set keyword of the quota group price plan set further comprises:
and saving the key words of the quota scheme group to a quota pricing scheme group.
According to another embodiment of the present invention, the step of comparing the similarity between the listing keyword and the scheme keyword of each of the rated group price schemes to determine the rated group price scheme corresponding to the listing sub-system comprises:
calculating the similarity score between the list keywords and the scheme keywords of each quota pricing scheme;
counting the popularity frequency of each quota pricing scheme;
and determining the quota group price scheme with the highest similarity score and the highest popular frequency of the jaccard as the quota group price scheme corresponding to the list subdirectory.
According to another embodiment of the present invention, the identification of the manifest subdirectory is identified as the first nine digits of the manifest subdirectory number.
On the other hand, the invention also provides an automatic pricing system for the engineering quantity list, which comprises the following components:
the acquisition module is used for acquiring the list description information of a list subdirectory;
the inventory keyword generation module is used for utilizing an industry dictionary library to perform word segmentation on the inventory description information to obtain inventory keywords, and the inventory keywords are one or more;
a quota group price scheme group determining module, configured to determine a corresponding quota group price scheme group according to the identification identifier of the list sub-category;
the scheme keyword generation module is used for utilizing an industry dictionary library to perform word segmentation on each quota group price scheme in the quota group price scheme group to obtain a scheme keyword of each quota group price scheme;
and the comparison module is used for comparing the similarity between the list keywords and the scheme keywords of each quota group price scheme to determine the quota group price scheme corresponding to the list subdirectory.
The invention has the beneficial effects that:
the invention discloses an automatic pricing method for an engineering quantity list, which comprises the steps of firstly loading an engineering quantity list, starting processing from a list sub-directory, firstly obtaining list description information of the list sub-directory, utilizing an established industry dictionary base to carry out word segmentation processing on the list description information to obtain list keywords corresponding to the list, then determining a quota group pricing scheme group corresponding to the list sub-directory according to a unique identifier of the list, namely an identification identifier of the list sub-directory, then utilizing the industry dictionary base to obtain scheme keywords of each quota group pricing scheme, finally determining the quota group pricing scheme corresponding to the sub-directory by comparing the similarity between the list keywords and the scheme keywords of each quota group pricing scheme, and completing a matching process, namely completing automatic pricing of the list sub-directory. The embodiment of the invention can replace a construction engineer to automatically complete the pricing work of a construction project, greatly reduce the workload of the construction engineer and improve the accuracy of construction cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic flow chart diagram illustrating one embodiment of an automatic project inventory pricing method of the present invention;
FIG. 2 is a flow chart illustrating the establishment of an industry dictionary repository in an automatic engineering quantity list pricing method according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating an embodiment of keyword mining of rating scheme groups of rating pricing scheme groups in an automatic engineering quantity inventory pricing method of the present invention;
FIG. 4 is a flowchart illustrating one embodiment of the steps 500 of an automatic project inventory pricing method of the present invention;
FIG. 5 is a schematic diagram of an embodiment of an automatic project inventory pricing system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides an automatic pricing method for an engineering quantity list, which comprises the following steps of:
step 100: acquiring the description information of a list subdirectory;
step 200: utilizing an industry dictionary library to perform word segmentation on the list description information to obtain one or more list keywords;
step 300: determining a corresponding quota group price scheme group according to the identification marks of the list subdirectories;
step 400: utilizing an industry dictionary library to perform word segmentation on each quota group price scheme in the quota group price scheme group to obtain scheme keywords of each quota group price scheme;
step 500: and comparing the similarity of the list keywords and the scheme keywords of each quota group price scheme to determine the quota group price scheme corresponding to the list subdirectory.
And repeating the steps 100 to 500 to process other list subdirectories until all the engineering quantity lists of the project are completely processed.
The automatic pricing method of the engineering quantity list comprises the steps of firstly loading an engineering quantity list, starting processing from a list sub-directory, firstly obtaining list description information of the list sub-directory, carrying out word segmentation processing on the list description information by utilizing an established industry dictionary base to obtain list keywords corresponding to the list, then determining a quota group pricing scheme group corresponding to the list sub-directory according to a unique identifier of the list, namely an identification identifier of the list sub-directory, then obtaining scheme keywords of each quota group pricing scheme by utilizing the industry dictionary base again, finally determining the quota group pricing scheme corresponding to the list sub-directory by comparing similarity between the list keywords and the scheme keywords of each quota group pricing scheme, and completing a matching process, namely completing automatic pricing of the list sub-directory. The embodiment of the invention can replace a construction engineer to automatically complete the pricing work of a construction project, greatly reduce the workload of the construction engineer and improve the accuracy of construction cost.
As an illustration, as shown in fig. 2, the creating of the industry dictionary database according to the embodiment of the present invention includes:
step 201: collecting the list description information and quota scheme description information of all the list subdirectories in the electronic file of the budget book of the finished construction project;
step 202: separating all the list description information and the quota scheme description information into a string of short sentence lists according to a preset separator;
step 203: taking each character of each string of short sentences as a node, establishing a tree structure according to the front-back position relation, and recording the occurrence times of the words formed by the front-back characters;
step 204: and outputting words and word frequency according to the word frequency sequence to generate an industry dictionary database.
In consideration of the professionalism of the construction industry, a standard industry dictionary base does not exist for the industry, so that the existing accumulated inventory description information needs to be mined again. The specific process comprises the following steps: collecting a project amount list and quota scheme data in an electronic file of a budget book of a finished construction project in advance to accumulate to form a project budget book database; collecting quota schemes appearing under each same list, cleaning the quota schemes and data, and constructing an association relation; counting the frequency of the occurrence times of the rating schemes appearing under each same list; and mining keywords of the description information of the associated list subdirectory in the same quota pricing scheme. The specific algorithm scheme is described as follows: the accumulated description information of the list subdirectories and the quota description information are used as original information as input; dividing the information according to predefined separators to form a string of short sentence lists; establishing a prefix traversal tree, taking each character of each string of short sentences as a node, establishing a tree structure according to the front-back position relation, and recording the occurrence times of the words formed by the front-back characters; and finally, outputting words and word frequency according to the word frequency sequence, and discarding the condition of a single word to finally generate an industry dictionary library. And then, according to the accumulation of the sub-description information and the quota description information of the new list, and according to the industry dictionary base, the new sub-description information and the quota description information as input, establishing a prefix traversal tree, generating the dictionary base again, and continuously iterating from now on to make the dictionary base more and more accurate.
In the established project budget book database, collecting and collecting the project amount list data and the quota scheme data of the historical project budget book, and establishing a relation table as shown in the following table 1:
table 1:
the method for analyzing the project amount in each budget book comprises the following steps: according to the list pricing specification promulgated by national standards, the budget file of each project consists of a plurality of project quantity list subdirectories, each project quantity list subdirectory can apply a quota pricing scheme according to different construction processes (list description information), and the same project quantity list subdirectory can have different construction requirements in different projects, so that different quotas can be grouped to form different quota pricing schemes. The analysis relation rule is to collect the engineering quantum targets with the same nine codes in different projects according to the nine-code rule of the national standard list and the quota numbering rule issued by the region, count various quota pricing schemes, and record the frequency of the various quota pricing schemes. A group of quota pricing schemes can contain more than one quota sub-mesh number, and the analyzed relation between the list and the quota schemes is arranged in a database.
As another example, the step 204 of generating the industry dictionary base according to the word frequency and the output words in the word frequency order according to the embodiment of the present invention further includes:
and removing words of single characters in the output words according to the word frequency sequence.
As another illustration, the step 300 of determining the corresponding quota group pricing plan group according to the identification of the inventory subdirectory according to the embodiment of the invention comprises:
finding a plurality of corresponding quota group price schemes in a quota group price scheme library according to the identification marks of the list subdirectories; according to the incidence relation between the identification marks of the sub-categories of the engineering quantity list and the quota scheme library, the identification mark of one list in the new project engineering quantity list file can index the engineering quantity list and the quota scheme database to inquire the historical items with the same list number and use all quota pricing schemes.
And (4) forming a plurality of quota pricing schemes into a quota pricing scheme group.
As another example, the quota group keyword of the quota group pricing scheme group according to the embodiment of the present invention is mined by an industry dictionary library, as shown in fig. 3, specifically including:
step 301: collecting quota description information of the same quota group price scheme, wherein the same quota group price scheme forms a quota group price scheme group;
step 302: utilizing an industry dictionary library to perform word segmentation on the quota description information of the same quota group price scheme to obtain scheme keywords of the quota group price scheme group;
step 303: utilizing an industry dictionary base to perform word segmentation on a plurality of list sub-description information corresponding to the same quota group price scheme to obtain list keywords of the quota group price scheme group;
step 304: and comparing the list keywords and the scheme keywords of the quota group price scheme group, and taking the same keywords as the quota scheme group keywords of the quota group price scheme group.
The automatic pricing method for the engineering quantity list in the embodiment of the invention utilizes the subdirectory description information and the quota description information of the historical list to generate the industry dictionary base, further extracts the keywords of the quota pricing scheme, and completes keyword mining of the quota pricing scheme, as shown in the following table 2:
as another illustration, the step 304 of comparing the listing keyword and the plan keyword of the quota group price plan set and using the same keyword as the quota plan group keyword of the quota group price plan set further includes:
and performing word frequency analysis on the same keywords, and removing low-frequency keywords.
As another illustration, the step 304 of comparing the listing keyword and the solution keyword of the rating group price solution group and using the same keyword as the rating scheme group keyword of the rating group price solution group further includes:
step 305: and saving the key words of the quota scheme group to a quota pricing scheme group.
As another example, as shown in fig. 4, the step 500 of comparing the similarity between the listing keyword and the solution keyword of each rating group price solution to determine the rating group price solution corresponding to the listing sub-system according to the embodiment of the present invention includes:
step 501: calculating the Jaccard similarity score of the inventory keywords and the scheme keywords of each quota group price scheme;
step 502: counting the popularity frequency of each quota pricing scheme;
step 503: and determining the quota group price scheme with the highest similarity score and the highest popular frequency of the jaccard as the quota group price scheme corresponding to the list subdirectory.
As another illustration, the identification of the list sub-purpose of the embodiment of the present invention is identified as the first nine digits of the list sub-purpose number.
One specific example is as follows:
list number: 030801001001 ]
[ list item name: low pressure carbon steel pipe
The unit of list items: m
The list describes: the material is steel pipe; the specification is phi 150mm, and the construction of digging a groove is carried out; the connection form is as follows: a welding method; pressure test, purging and cleaning design requirements: degreasing design requirements; "C (B)
Using an industry dictionary to perform word segmentation on the list description information to obtain list keywords of the list subdirectory: steel pipe phi 150mm groove
Finding out the corresponding quota scheme according to the identification mark of the list subdirectory, namely the first nine codes of the serial number, as follows:
and (4) carrying out jaccard similarity analysis and calculating scores by using the list keywords and the scheme keywords, and finally, recommending and outputting a second score because the score of 100 is the highest and other pricing schemes with the same score do not exist.
On the other hand, an embodiment of the present invention further provides an automatic pricing system for engineering quantity lists, as shown in fig. 5, including:
the acquisition module 11 is configured to acquire the list description information of a list sub-category;
the list keyword generation module 12 is configured to perform word segmentation on the list description information by using an industry dictionary library to obtain one or more list keywords;
a quota group price scheme group determining module 13, configured to determine a corresponding quota group price scheme group according to the identification identifier of the list sub-category;
the scheme keyword generation module 14 is configured to perform word segmentation on each quota group price scheme in the quota group price scheme group by using an industry dictionary library to obtain a scheme keyword of each quota group price scheme;
and the comparison module 15 is configured to compare similarity between the keyword in the list and a scheme keyword in each of the quota group price schemes to determine a quota group price scheme corresponding to the sub-list.
The automatic pricing system for the engineering quantity list, provided by the embodiment of the invention, can realize automatic matching of the engineering quantity list and the quota pricing scheme, is convenient to use, greatly reduces the workload of construction cost engineers, improves the accuracy of construction cost, can automatically analyze the matching rules between the engineering quantity list and the quota scheme, can continuously analyze the accumulated construction quantity list construction cost data to perfect the matching rules between the list and the quota, and does not need a specially-assigned person to operate.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An automatic pricing method for engineering quantity lists is characterized by comprising the following steps:
acquiring the description information of a list subdirectory;
utilizing an industry dictionary library to perform word segmentation on the list description information to obtain one or more list keywords;
determining a corresponding quota group price scheme group according to the identification marks of the list subdirectories;
utilizing an industry dictionary library to perform word segmentation on each quota group price scheme in the quota group price scheme group to obtain scheme keywords of each quota group price scheme;
and comparing the similarity of the list keywords and the scheme keywords of each quota group price scheme to determine the quota group price scheme corresponding to the list subdirectory.
2. The method of claim 1, wherein the creating of the industry dictionary database comprises:
collecting the list description information and quota scheme description information of all the list subdirectories in the electronic file of the budget book of the finished construction project;
separating all the list description information and the quota scheme description information into a string of short sentence lists according to a preset separator;
taking each character of each string of short sentences as a node, establishing a tree structure according to the front-back position relation, and recording the occurrence times of the words formed by the front-back characters;
and outputting words and word frequency according to the word frequency sequence to generate an industry dictionary database.
3. The method as claimed in claim 2, wherein the step of generating an industry dictionary database by outputting words and word frequencies according to the word frequency sequence further comprises:
and removing words of single characters in the output words according to the word frequency sequence.
4. The method as claimed in claim 1, wherein the step of determining the corresponding quota group pricing scheme group according to the identification of the inventory sub-categories comprises:
finding a plurality of corresponding quota group price schemes in a quota group price scheme library according to the identification marks of the list subdirectories;
and (4) forming a plurality of quota pricing schemes into a quota pricing scheme group.
5. The automatic project bill pricing method according to claim 4,
the method comprises the following steps that quota scheme group keywords of a quota group price scheme group are mined through an industry dictionary library, and specifically comprises the following steps:
collecting quota description information of the same quota group price scheme, wherein the same quota group price scheme forms a quota group price scheme group;
utilizing an industry dictionary library to perform word segmentation on the quota description information of the same quota group price scheme to obtain scheme keywords of the quota group price scheme group;
utilizing an industry dictionary base to perform word segmentation on a plurality of list sub-description information corresponding to the same quota group price scheme to obtain list keywords of the quota group price scheme group;
and comparing the list keywords and the scheme keywords of the quota group price scheme group, and taking the same keywords as the quota scheme group keywords of the quota group price scheme group.
6. The method as claimed in claim 5, wherein the step of comparing the list keywords of the quota pricing scheme set with the scheme keywords and using the same keywords as the quota scheme set keywords of the quota pricing scheme set further comprises:
and performing word frequency analysis on the same keywords, and removing low-frequency keywords.
7. The method as claimed in claim 5, wherein the step of comparing the list keywords of the quota pricing scheme set with the scheme keywords and using the same keywords as the quota scheme set keywords of the quota pricing scheme set further comprises:
and saving the key words of the quota scheme group to a quota pricing scheme group.
8. The method as claimed in claim 1, wherein the step of comparing the similarity between the keyword of the list and the solution keyword of each solution of the rated group price to determine the solution of the rated group price corresponding to the sub-category of the list comprises:
calculating the Jaccard similarity score of the inventory keywords and the scheme keywords of each quota group price scheme;
counting the popularity frequency of each quota pricing scheme;
and determining the quota group price scheme with the highest Jaccard similarity value and the highest popular frequency as the quota group price scheme corresponding to the list subdirectory.
9. The automatic project inventory pricing method of any of claims 1-8, wherein the identification of the inventory sub-purpose is the first nine digits of the inventory sub-purpose number.
10. An automatic project inventory pricing system, comprising:
the acquisition module is used for acquiring the list description information of a list subdirectory;
the inventory keyword generation module is used for utilizing an industry dictionary library to perform word segmentation on the inventory description information to obtain inventory keywords, and the inventory keywords are one or more;
a quota group price scheme group determining module, configured to determine a corresponding quota group price scheme group according to the identification identifier of the list sub-category;
the scheme keyword generation module is used for utilizing an industry dictionary library to perform word segmentation on each quota group price scheme in the quota group price scheme group to obtain a scheme keyword of each quota group price scheme;
and the comparison module is used for comparing the similarity between the list keywords and the scheme keywords of each quota group price scheme to determine the quota group price scheme corresponding to the list subdirectory.
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| CN111897881A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Method and device for determining corresponding relation between engineering quantity and quota and electronic equipment |
| CN112949907A (en) * | 2021-02-04 | 2021-06-11 | 杭州品茗安控信息技术股份有限公司 | Quota matching method, device, equipment and storage medium for engineering cost |
| CN112949906A (en) * | 2021-02-04 | 2021-06-11 | 杭州品茗安控信息技术股份有限公司 | Matching method, device, equipment and storage medium for engineering cost quota conversion |
| CN113409001A (en) * | 2021-05-17 | 2021-09-17 | 林基础 | Method for controlling automatic pricing of construction engineering quantity list |
| CN113505211A (en) * | 2021-07-29 | 2021-10-15 | 永道科技有限公司 | Project cost data analysis system and method based on keyword lexicon |
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