CN104102689B - The method and apparatus retrieved based on data model to media data - Google Patents
The method and apparatus retrieved based on data model to media data Download PDFInfo
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- CN104102689B CN104102689B CN201410198505.3A CN201410198505A CN104102689B CN 104102689 B CN104102689 B CN 104102689B CN 201410198505 A CN201410198505 A CN 201410198505A CN 104102689 B CN104102689 B CN 104102689B
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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
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/73—Querying
- G06F16/738—Presentation of query results
Abstract
The embodiments of the invention provide a kind of method and apparatus retrieved based on data model to media data.This method mainly includes：The data model of media data is configured by data model configurator, the metadata of media data is established using the metadata list in the data model, scanned for using the searchable form in the data model in media database, search result is obtained, is shown the search result using the results list in the data model.The embodiment of the present invention can quickly realize media data analysis attribute definition and realization, retrieve logic configuration and realization, retrieval result ways of presentation customization, avoid traditional expert from carrying out the shortcomings that corresponding logic strategy of specific customized development causes long time, task weight, portable difference etc. by developer again after making respective logic rule, improve analysis and the recall precision of media data.
Description
Technical field
The present invention relates to operation system administrative skill field, more particularly to a kind of data model that is based on to be carried out to media data
The method and apparatus of retrieval.
Background technology
Video monitoring has been widely used for the multiple fields such as safe city, intelligent transportation, and video monitoring market is annual all
Increasing, front end camera is constantly laid, and at the same time, has also been constantly be generated the video data of magnanimity, voluminous media number
According to generation and application progressively brought into schedule, in order to further meet the business demand of relevant industries, effectively utilize sea
Video data is measured, it is necessary to be analyzed video data and retrieved.
Regarded in the analysis of video data and retrieving, it is necessary to carry out video analysis to these massive video data and obtain
The association attributes of frequency, completion attribute associate with video data, so as to realize the quick inspection of massive video by the inquiry of attribute
Rope.
A kind of video analysis of the prior art and search method mainly include：In the definition and realization of video analysis attribute
On can be had differences according to the difference of industry, first, every profession and trade expert formulate needed for analysis attribute, including Property Name,
Attribute type, attribute character length, attribute language etc., then developer formulate corresponding attribute database or development interface,
The attribute made is presented to user.Wherein, some searching classification logics are also made by expert, then transfer to developer
Be arranged in backstage, with facilitate user it is faster more excellent retrieve required result.Ways of presentation of retrieval result etc. is also required to develop
Personnel's tailor respective result lists are showed.
The shortcomings that a kind of video analysis and search method of above-mentioned prior art is：The definition of analysis attribute in this method
It is required for making in expert with configuration and realization, the customization of the ways of presentation of retrieval result for realizing, retrieving logic and accordingly patrols
After collecting rule, by the specific customized development of developer, waste time and energy, and be not easy quickly to put into other industry or other application class
In type.
The content of the invention
The embodiment provides a kind of method and apparatus retrieved based on data model to media data, with
Improve analysis and the recall precision of media data.
The invention provides following scheme：
A kind of method retrieved based on data model to media data, including：
The data model of media data is configured by data model configurator；
The metadata of media data is established using the metadata list in the data model；
Scanned for using the searchable form in the data model in media database, obtain search result；
The search result is shown using the results list in the data model.
The data model include language element, object dvielement, master data dvielement, set of properties element, property element,
Associated element, metadata table single element, searchable form element and the results list element.
The described metadata that media data is established using the metadata list in the data model, including：
In the data model data storage model configurator that configuration is completed, by the data model configurator by described in
Language element, metadata table single element, searchable form element, the results list element in data model show user, described
The metadata list that metadata table single element includes metadata list set in advance and/or user customizes；
The media database of the data model configurator and storage media data is attached, language is have selected in user
Element is sayed, and after selecting one to be currently needed for the metadata list that uses from the metadata list of displaying, the data model
Configurator is successively read each media data in media database by the connection, utilizes the member for being currently needed for using
Contents in table in data form sequentially generates the metadata of each media data；
The data model configurator is according to the data selection strategy of setting, the metadata of selected part media data, and
The metadata of selection is showed into user.
Described is scanned for using the searchable form in the data model in media database, obtains search knot
Fruit, including：
Searchable form shown in the data model configurator includes searchable form set in advance and/or user customizes
Searchable form, after user have chosen currently used searchable form according to the metadata of the part of media data of displaying, institute
State data model configurator to scan in media database using the currently used searchable form, obtain search knot
Fruit.
Described is shown the search result using the results list in the data model, including：
The results list shown in the data model configurator includes the results list set in advance and/or user customizes
The results list, after currently used searchable form is have chosen in user, the data model configurator is currently made using described
The search result is shown by the results list；
Defined in described the results list during a time restriction drop-down list box, pass through the time restriction in user
Drop-down list box have selected the time option of response, and the search result of displaying is filtered according to the time option.
A kind of device retrieved based on data model to media data, including：
Data model allocation models, for configuring the data model of media data by data model configurator；
Metadata establishes module, for establishing first number of media data using the metadata list in the data model
According to；
Search result acquisition module, for being searched using the searchable form in the data model in media database
Rope, obtain search result；
Search result display module, for being opened up the search result using the results list in the data model
Show.
The data model include language element, object dvielement, master data dvielement, set of properties element, property element,
Associated element, metadata table single element, searchable form element and the results list element.
Described metadata establishes module, specifically for will configure the data model data storage model configurator completed
In, it is by the data model configurator that the language element in the data model, metadata table single element, searchable form is first
Element, the results list element show user, and the metadata table single element includes metadata list set in advance and/or user
The metadata list of customization；
The media database of the data model configurator and storage media data is attached, language is have selected in user
Element is sayed, and after selecting one to be currently needed for the metadata list that uses from the metadata list of displaying, utilizes the data
Model configurator is successively read each media data in media database by the connection, is currently needed for using using described
Metadata list in contents in table sequentially generate the metadata of each media data；
Data selection strategy by the data model configurator according to setting, first number of selected part media data
According to, and the metadata of selection is showed into user.
Described search result acquisition module, include specifically for searchable form shown in the data model configurator
Searchable form set in advance and/or the searchable form of user's customization, first number in user according to the part of media data of displaying
After it have chosen currently used searchable form, the currently used searchable form is utilized by the data model configurator
Scanned in media database, obtain search result.
Described search result display module, include specifically for the results list shown in the data model configurator
The results list set in advance and/or the results list of user's customization, after currently used searchable form is have chosen in user, lead to
The data model configurator is crossed to be shown the search result using described currently used the results list；
Defined in described the results list during a time restriction drop-down list box, pass through the time restriction in user
Drop-down list box have selected the time option of response, and the search result of displaying is filtered according to the time option.
The embodiment of the present invention is by using data mould it can be seen from the technical scheme provided by embodiments of the invention described above
Type configurator configures the data model of complete media data, can quickly realize definition and the reality of the analysis attribute of media data
Existing, retrieval logic configuration and realization, retrieval result ways of presentation customization, avoid traditional expert from making respective logic
Carrying out the corresponding logic strategy of specific customized development by developer again after rule causes long time, task weight, portability
The shortcomings that difference etc., so as to meet the needs of different industries carry out quick-searching to video and other media resources, substantially increase
The analysis of media data and recall precision.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of place for method retrieved based on data model to media data that the embodiment of the present invention one provides
Manage flow chart；
Fig. 2 is a kind of reality for device retrieved based on data model to media data that the embodiment of the present invention two provides
Existing structure chart, in figure, data model allocation models 21, metadata establishes module 22, search result acquisition module 23, search result
Display module 24.
Embodiment
For ease of the understanding to the embodiment of the present invention, done further by taking several specific embodiments as an example below in conjunction with accompanying drawing
Explanation, and each embodiment does not form the restriction to the embodiment of the present invention.
Embodiment one
It is current to meet the embodiments of the invention provide a kind of method retrieved based on data model to media data
Various industries are to the requirement of the rapid configuration of massive video and other media content quick-searchings.The handling process of this method such as Fig. 1
Shown including following processing step：
Step S110, the data model of media data is configured by data model configurator.
In embodiments of the present invention, it is one come configuration data model, data model configurator by data model configurator
Individual instrument, realizes individual packages, is showed with application forms.Data model configurator is used for realizing establishment, modification and swashed
A data model for being used for managing medium resource living.Configuration data model operation can before the collection of media data or
Complete after person, if according to flow activate needed for data model.
Data model configurator is completed to describe media metadata by building a series of various elements of media datas
Purpose, it must carry out according to the order of elements of regulation during structure, otherwise can not succeed.Building process can be broadly divided into two steps：
First, data model configures；2nd, the configuration and issue of metadata list, searchable form, result list.Configured by data model
The detailed process of device configuration data model is exactly to set the process of various media data elements as defined in data model.
The various elements of some media datas to interdepend are included in one data model, the various elements are as follows：
Language, language element is used for supporting to mark the element occurred in all data models, this to be noted for being shown in
User interface, used so as to facilitate user to watch.Data model supports the operation in terms of three speech like sounds：Create new language, delete
Except language and into linguistic labelses.
Object class, object dvielement are used for distinguishing various different media objects during media data filing, the system of object class
Set pattern is not formulated then by media file store, and user can be according to medium type (such as video, audio) or media content
Classification (such as physical culture, news) belongs to the object class standard of user to customize.
Master data class, master data dvielement are a kind of special metadata, are used to indicate that successional and seldom change
Often it is re-used come the metadata edited or retrieved again.Typical example has Arts data such as (artist, writer, customer),
Structural data (such as customer) or recurrent event (as Olympic sports program).With this master data class of artist
Exemplified by, it includes the attributes such as name, native place, date of birth, main works to describe this master data class.Each master data class
It is a structural data.
Drop-down list (Legal List), drop-down list element support user when registering a media object from given
Some particular items and symbol are selected in inventory.If the type of an attribute is drop-down list form, then only drop-down row
Value in table inventory can be typed to the property value inframe.
Set of properties, set of properties element are to allow to scan in the set of properties configured.Create set of properties and handle
It is the operation that can be allowed to that some new attributes, which belong to some set of properties, and some certain attributes, which can belong to, multiple not to be rushed mutually
Prominent set of properties, any set of properties can not also be belonged to.The customization of set of properties can lift effectiveness of retrieval.For example,
Such as date of birth, this generic attribute of collection date belong to date property group, author, picker, photographer this generic attribute belong to creation
Person's set of properties, summary, keyword this generic attribute belong to description generic attribute group.
Attribute, property element are the core components of data model, can describe and record together with frame of video or section
A series of contents that can find or operate media object.New attribute, deletion attribute can be created with data model configurator, incited somebody to action
Attribute belongs to a certain set of properties, modification attribute type or attribute language, associates attribute with frame of video section etc..It is common
Video attribute have acquisition time, video size, video duration etc..Frame of video, section, frame of video, section element are suitable only for regarding
Frequency object class, frame of video, section refer to different video fragment or frame are labeled and be associated, and frame of video, section can be
It is nonlinear, that is, a video can have multiple frame of video, section.
Association, associated element is used for being described in detail the relations of two kinds of media objects, and (for example a media object is other one
A part for individual object), due to falling within a part for metadata, therefore association is stored in database all the time.Association can
Effectively organize media object, additionally it is possible to which the retrieval and navigation for making to be directed to relevant media object are more convenient, fast.
Association can be indirectly, directly or hierarchical.
In addition to requiring design data model according to above-mentioned element, data model configurator can also be used for creating user
Following element in the data model of property：
The results list, can be with data model configurator for giving user to show retrieval result in the form of the results list
Define a variety of the results lists, user can with included in customization of search results which attribute, with which type of order, whether
Show thumbnail etc..
Customized search list, searchable form in media filing system existing four, it is that fast search, priority are searched respectively
Rope, the search of frame of video section and combinatorial search, user can also customize exclusive searchable form.
Metadata list (template), data model configurator also allow subscriber customized metadata list (template), for
The position of list, pattern etc. can be customized as needed.It should be noted that customizing good list needs to give to watch
Authority, otherwise user can not see the list in user interface.
Meanwhile data model configurator can also realize the definition to the data dictionary of media resource, data dictionary is one
Kind of the regular definition based on content, it is generally used for defining certain industry certain mega project etc..Data dictionary has its exclusive
Configurator, definition is used only in data model configurator and uses some data dictionary.
In data model configurator, open, preserve, activation data model has the execution interface made completely and plan
Slightly, after configuring the data model for completing a media data by data model configurator, the various members in above-mentioned data model
Element, such as object class, master data class, attribute, set of properties, video-frequency band, drop-down list (Legal List), association and language, just
All create.
Above-mentioned data model configurator can be supplied to one of user to have distinctive configuration list and the results list
Function includes：Configure metadata list, the searchable form and the results list of customization and define time limit for searchable form
Drop-down list box processed.
Step S120, the metadata of media data is established using the metadata list in data model.
After substantial amounts of media data is acquired, media data is stored in media database.Above-mentioned media data can
Think video data, speech data etc..
One or more kinds of metadata lists can be preset in data model configurator, user can also be in data mould
Customed metadata list in type configurator, can be with contents such as the contents in table of oneself custom metadata list, position, patterns.
Therefore, in the data model completed is established, metadata list set in advance and first number of user oneself customization can be included
According to list.
After the data model of media data is configured with, the data model for configuring completion is stored in data model configurator
In.Then, data model configurator and above-mentioned media database are subjected to wireless or wired connection, data model configurator can
To utilize each media data in the connection reading media database.
Data model configurator is by portions such as the language in above-mentioned data model, metadata list, searchable form, the results lists
Element is divided to show user.
User selects the language element oneself used first, then selects one from the metadata list of displaying and be currently needed for
The metadata list used, data model configurator are successively read each media data in media database, utilize above-mentioned use
The contents such as contents in table, pattern in the metadata list of family selection sequentially generate the metadata of above-mentioned each media data.
Data model configurator can according to the data selection strategy of setting, the metadata of selected part media data, and
The metadata of selection is showed into user.Above-mentioned data decimation strategy can be creation time is earliest, pageview is maximum etc..
When user reselects the metadata list for being currently needed for using, data model configurator will regenerate each matchmaker
The metadata of volume data, showing the metadata of the part of media data of user will also change therewith.
Step S130, the searchable form that data model configurator is selected using user scans in media database,
Obtain search result.
One or more kinds of searchable forms can be preset in data model configurator, user can also be in data model
Customed searchable form in configurator, can oneself customization contents in table of searchable form, search key, search statement, search
The contents such as rope expression formula.Therefore, in the data model completed is established, searchable form set in advance and user can be included certainly
The searchable form of oneself customization.
User selects a searchable form for being currently needed for using, data model configurator profit from the searchable form of displaying
The searchable form selected with above-mentioned user scans in media database, obtains search result.
Step S140, mentioned above searching results are shown by the results list that data model configurator is selected using user.
One or more kinds of the results lists can be preset in data model configurator, user can also be in data model
Customed the results list in configurator, can oneself customization contents in table of the results list, display form, displaying order, whether
Show the contents such as thumbnail.Therefore, in the data model completed is established, the results list set in advance and user can be included
The results list of oneself customization.
User selects the results list for being currently needed for using, data model configurator profit from the results list of displaying
Mentioned above searching results are shown by the results list selected with above-mentioned user.A time defined in described the results list
When limiting drop-down list box, the time option of response is have selected by the time restriction drop-down list box in user, according to institute
Time option is stated further to filter the search result of displaying.
Embodiment two
This embodiment offers a kind of device retrieved based on data model to media data, and it implements structure
As shown in Fig. 2 it can specifically include following module：
Data model allocation models 21, it is described for configuring the data model of media data by data model configurator
Data model includes language element, object dvielement, master data dvielement, set of properties element, property element, associated element, member
Data form element, searchable form element and the results list element.
Metadata establishes module 22, for establishing first number of media data using the metadata list in the data model
According to；
Search result acquisition module 23, for being carried out using the searchable form in the data model in media database
Search, obtains search result；
Search result display module 24, for being carried out the search result using the results list in the data model
Displaying.
Further, described metadata establishes module 22, specifically for will configure the data model data storage completed
In model configurator, by the data model configurator by the language element in the data model, metadata table single element,
Searchable form element, the results list element show user, and the metadata table single element includes metadata table set in advance
List and/or the metadata list of user's customization；
The media database of the data model configurator and storage media data is attached, language is have selected in user
Element is sayed, and after selecting one to be currently needed for the metadata list that uses from the metadata list of displaying, utilizes the data
Model configurator is successively read each media data in media database by the connection, is currently needed for using using described
Metadata list in contents in table sequentially generate the metadata of each media data；
Data selection strategy by the data model configurator according to setting, first number of selected part media data
According to, and the metadata of selection is showed into user.
Further, described search result acquisition module 23, specifically for shown in the data model configurator
The searchable form that searchable form includes searchable form set in advance and/or user customizes, the part matchmaker in user according to displaying
After the metadata of volume data have chosen currently used searchable form, the selection is utilized by the data model configurator
Searchable form scans in media database, obtains search result.
Further, described search result display module 24, specifically for shown in the data model configurator
The results list that the results list includes the results list set in advance and/or user customizes, have chosen currently used in user
After searchable form, the search result is opened up using the results list of the selection by the data model configurator
Show；
Defined in described the results list during a time restriction drop-down list box, pass through the time restriction in user
Drop-down list box have selected the time option of response, and further mistake is carried out to the search result of displaying according to the time option
Filter.
Carried out with the device of the embodiment of the present invention based on the detailed process that data model is retrieved to media data with before
It is similar to state embodiment of the method, here is omitted.
In summary, the embodiment of the present invention configures the data mould of complete media data by using data model configurator
Type, can quickly realize the analysis attribute of media data definition and realization, retrieve logic configuration and realization, retrieval result
The customization of ways of presentation, traditional expert is avoided to be opened again by the specific customization of developer's progress after making respective logic rule
The shortcomings that sending out logic strategy corresponding causes long time, task weight, portable difference etc., so as to meet different industries to video and
Other media resources carry out the demand of quick-searching, substantially increase analysis and the recall precision of media data.
The data model of complete media data is configured by using data model configurator, media object can be completed and returned
Required attribute and retrieval during shelves storage, the fast custom for the content such as showing and deployment, make broadcasting and TV field, safe city, intelligence
Other video association areas such as traffic can quickly possess the data model needed for oneself；Ui language can quickly be realized
Conversion, it is such as quick to realize Chinesizing.The user interface that user wants can be quickly generated, it is not necessary to traditional exploitation customization,
Time and cost are saved.Data model can be changed calmly before media management is disposed or after deployment, it is time saving and energy saving.
One of ordinary skill in the art will appreciate that：Accompanying drawing is the schematic diagram of one embodiment, module in accompanying drawing or
Flow is not necessarily implemented necessary to the present invention.
As seen through the above description of the embodiments, those skilled in the art can be understood that the present invention can
Realized by the mode of software plus required general hardware platform.Based on such understanding, technical scheme essence
On the part that is contributed in other words to prior art can be embodied in the form of software product, the computer software product
It can be stored in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are causing a computer equipment
(can be personal computer, server, either network equipment etc.) performs some of each embodiment of the present invention or embodiment
Method described in part.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.Especially for device or
For system embodiment, because it is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to method
The part explanation of embodiment.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit that separating component illustrates can be or may not be it is physically separate, can be as the part that unit is shown or
Person may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can root
Factually border needs to select some or all of module therein realize the purpose of this embodiment scheme.Ordinary skill
Personnel are without creative efforts, you can to understand and implement.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (8)
- A kind of 1. method retrieved based on data model to media data, it is characterised in that including：The data model of media data is configured by data model configurator, the data model includes language element, object class Element, master data dvielement, set of properties element, property element, associated element, metadata table single element, searchable form element and The results list element；The metadata of media data is established using the metadata list in the data model；Data dictionary is defined using the data model configurator；Scanned for using the searchable form in the data model in media database, obtain search result；The search result is shown using the results list in the data model.
- 2. the method according to claim 1 retrieved based on data model to media data, it is characterised in that described The metadata that media data is established using the metadata list in the data model, including：It will configure in the data model data storage model configurator completed, by the data model configurator by the data Language element, metadata table single element, searchable form element, the results list element in model show user, first number Include metadata list set in advance and/or the metadata list of user's customization according to Form Element；The media database of the data model configurator and storage media data is attached, language member is have selected in user Element, and after selecting one to be currently needed for the metadata list that uses from the metadata list of displaying, the data model configuration Device is successively read each media data in media database by the connection, utilizes the metadata for being currently needed for using Contents in table in list sequentially generates the metadata of each media data；The data model configurator will select according to the data selection strategy of setting, the metadata of selected part media data The metadata taken shows user.
- 3. the method according to claim 2 retrieved based on data model to media data, it is characterised in that described Scanned for using the searchable form in the data model in media database, obtain search result, including：Searchable form shown in the data model configurator is searched including what searchable form set in advance and/or user customized Rope list, after user have chosen currently used searchable form according to the metadata of the part of media data of displaying, the number Scanned for according to model configurator using the currently used searchable form in media database, obtain search result.
- 4. the method retrieved based on data model to media data according to any one of claims 1 to 3, its feature It is, the search result is shown by described the results list using in the data model, including：The knot that the results list shown in the data model configurator includes the results list set in advance and/or user customizes Fruit list, after currently used searchable form is have chosen in user, the data model configurator utilizes described currently used The search result is shown by the results list；Defined in described the results list during a time restriction drop-down list box, pulled down in user by the time restriction List box have selected the time option of response, and the search result of displaying is filtered according to the time option.
- A kind of 5. device retrieved based on data model to media data, it is characterised in that including：Data model allocation models, for configuring the data model of media data, the data mould by data model configurator Type includes language element, object dvielement, master data dvielement, set of properties element, property element, associated element, metadata table Single element, searchable form element and the results list element；Metadata establishes module, for establishing the metadata of media data using the metadata list in the data model；Data dictionary establishes module, for defining data dictionary using the data model configurator；Search result acquisition module, for being scanned for using the searchable form in the data model in media database, Obtain search result；Search result display module, for being shown the search result using the results list in the data model.
- 6. the device according to claim 5 retrieved based on data model to media data, it is characterised in that：Described metadata establishes module, specifically for that will configure in the data model data storage model configurator completed, leads to The data model configurator is crossed by the language element in the data model, metadata table single element, searchable form element, knot Fruit list element shows user, and the metadata table single element includes metadata list set in advance and/or user customizes Metadata list；The media database of the data model configurator and storage media data is attached, language member is have selected in user Element, and after selecting one to be currently needed for the metadata list that uses from the metadata list of displaying, utilize the data model Configurator is successively read each media data in media database by the connection, utilizes the member for being currently needed for using Contents in table in data form sequentially generates the metadata of each media data；Data selection strategy by the data model configurator according to setting, the metadata of selected part media data, and The metadata of selection is showed into user.
- 7. the device according to claim 6 retrieved based on data model to media data, it is characterised in that：Described search result acquisition module, include specifically for searchable form shown in the data model configurator advance The searchable form of setting and/or the searchable form of user's customization, are selected in user according to the metadata of the part of media data of displaying After having taken currently used searchable form, by the data model configurator using the currently used searchable form in matchmaker Volume data scans in storehouse, obtains search result.
- 8. the device retrieved based on data model to media data according to any one of claim 5 to 7, its feature It is：Described search result display module, include specifically for the results list shown in the data model configurator advance The results list of setting and/or the results list of user's customization, after currently used searchable form is have chosen in user, pass through institute Data model configurator is stated to be shown the search result using described currently used the results list；Defined in described the results list during a time restriction drop-down list box, pulled down in user by the time restriction List box have selected the time option of response, and the search result of displaying is filtered according to the time option.
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| CN201410198505.3A CN104102689B (en) | 2014-05-12 | 2014-05-12 | The method and apparatus retrieved based on data model to media data |
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| CN101339559A (en) * | 2008-07-18 | 2009-01-07 | 北京航空航天大学 | Long lasting implementing method for data |
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| CN101339559A (en) * | 2008-07-18 | 2009-01-07 | 北京航空航天大学 | Long lasting implementing method for data |
| CN103729460A (en) * | 2014-01-10 | 2014-04-16 | 中国南方电网有限责任公司 | Graphical data model managing method and system based on metadata |
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| 基于学习对象元数据的教育资源管理系统的设计与实现;郑维勇;《中国优秀博硕士学位论文全文数据库硕士信息科技辑》;20061015;正文第2.2节、5.4节、6.6节、6.10节 * |
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