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Dynamic ontology modeling method and system based on user situation

A modeling method and ontology technology, applied in special data processing applications, instruments, calculations, etc., can solve the problems of poor accuracy and flexibility, cumbersome work, etc., and achieve the effect of accurate results, simple models, and good adaptability

Inactive Publication Date: 2010-12-01
HUAZHONG UNIV OF SCI & TECH
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AI Technical Summary

Problems solved by technology

It can be seen that this ontology modeling method is static, and models of various user types need to be established in the ontology database to meet the matching requirements. Poor degree and flexibility

Method used

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  • Dynamic ontology modeling method and system based on user situation
  • Dynamic ontology modeling method and system based on user situation
  • Dynamic ontology modeling method and system based on user situation

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Embodiment Construction

[0041] Relevant technical content and detailed description of the present invention, now in conjunction with accompanying drawing, explain as follows:

[0042] The present invention provides a dynamic ontology modeling method based on user scenarios, which establishes a dynamic model matching scheme for users through unified modeling description rules and real-time update feedback of parameter changes in user behavior attributes, reducing the tedious and complicated initial manual modeling work , to establish a generalized model method to make the search results more accurate, easier to operate and expand.

[0043] Such as figure 1 It is a schematic flow chart of the user context-based dynamic ontology modeling of the present invention. First, determine the user context elements according to the system and user requirements, and then establish and describe the specification of the ontology model, including: establish the specification information set of the components require...

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Abstract

The invention provides a dynamic ontology modeling method based on a user situation, which comprises the steps of: 1: according to a system and user requirements, determining an ontology model concept set and an ontology model structural relationship set; 2: according to the ontology model concept set and the structural relationship set, selecting and generating an initial ontology model; and 3: when a user initiates a request, checking whether the concept set of the user is changed or not, and if not, using the original initial model directly; and if yes, returning to Step 2 and regenerating an ontology model according to the changed concept set. The method and the system have the advantages of having the simple model, simplifying complicated calculation and comparison rules in original static ontology modeling, reacting rapidly according to attribute change of the user situation, generating the new ontology model and having good self-adaption, expandability and generality.

Description

technical field [0001] The invention relates to a user context-based dynamic ontology modeling method, in particular to a mobile search-based user context dynamic ontology modeling method in the communication technology field. Background technique [0002] Ontology is a philosophical concept, which is a philosophical question to study the essence of existence. But in recent decades, the term has been applied to the computing world and has played an increasingly important role in artificial intelligence, computer languages, and database theory. Today's computers are transforming from a single device to a worldwide network of information exchange and transaction processing. Therefore, supporting the exchange, reuse and sharing of data, information and knowledge has become an urgent task for today's computer technology. [0003] Ontology, as a collection of systematic relations between concepts and concepts in a specific domain, has the ability to express concept semantics t...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 王芙蓉李艳
Owner HUAZHONG UNIV OF SCI & TECH
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