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Natural language processing oriented Web service intelligent agent

A natural language processing and web service technology, applied in the field of semantic web service intelligent agent for natural language processing, can solve problems such as dependence, unsatisfactory web service agent, few web service agents, etc.

Inactive Publication Date: 2012-12-26
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above methods have the following problems: 1. The above methods all need to rely on the existing UDDI registration center
However, due to the permanent closure of public UDDI and the lack and ineffectiveness of natural language descriptions of services, these methods cannot meet the needs of Web service agents; 2. The above methods are based on natural language descriptions of services. 3. The Web service index constructed by the above method cannot be explained, making it difficult for users to understand and use it; 4. The existing methods only focus on the common problems of Web service search and text search. Rarely optimize Web service search based on Web service proxy to improve the precision and recall of service queries
[0007] The project team of this invention has searched domestic and foreign patent documents and published journal papers, and has not found any reports or documents closely related to the present invention.

Method used

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  • Natural language processing oriented Web service intelligent agent
  • Natural language processing oriented Web service intelligent agent
  • Natural language processing oriented Web service intelligent agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] The invention is an intelligent agent oriented to natural language processing, and is an important basic component for realizing semantic Web services, and can be widely used in fields such as e-commerce, e-government affairs, and digital enterprises, and is especially suitable for use in information systems based on handheld devices such as mobile phones and PDAs. The intelligent agent for natural language processing specifically includes two parts, namely, the search method for semantic web services for natural language processing and the intelligent agent system for semantic web services for natural language processing.

[0083] see figure 1 , the requester sends a natural language request to the natural language processing-oriented intelligent agent through the intelligent terminal, and the natural language processing-oriented semantic Web service search starts to perform service search. As a semantic Web service search method, see image 3 , including the following...

Embodiment 2

[0093] The semantic web service search method oriented to natural language processing is the same as that in embodiment 1. Based on the above technical solution, further, the information extraction algorithm described in step B includes the following steps:

[0094] B1. Based on the DOM (Document Object Model) of the WSDL file, extract the name attribute of the following tags: definitions, message, part, portType, operation, input, output, service, port; extract the uri attribute capture service of the targetNamespace tag Provider information; extract the element attribute value of the part tag to capture the data structure sent and received by the service;

[0095] B2. According to the WSDL file, three operations of copying, sorting and adding are used to save the structural information of the extracted attributes in the file; the above three operations may be performed according to specific circumstances, sometimes all three operations may be required, and sometimes only one ...

Embodiment 3

[0098] The semantic Web service search method oriented to natural language processing is the same as that in Embodiment 1-2. Based on the above technical solution, further, the word clustering algorithm based on vocabulary similarity described in step D includes the following steps:

[0099] D1. Using Word-Net semantic knowledge dictionary to define vocabulary similarity Sim ( t 1 , t 2 ) = α × ( l 1 + l 2 ) ( Dis ( t 1 , ...

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Abstract

The invention provides a natural language processing oriented Web service intelligent agent, which comprises a natural language processing oriented Web service searching method and a natural language processing oriented Web service intelligent agent system. A Web service acquisition sub-system and a Web service search engine realize data link through a shared service repository; and a natural language user interface exchange data with the Web service search engine and a Web service execution engine through a TCP network connection. The agent acquires a keyword set for describing services by using an information extraction method, constructs a service semantic index by using a probability latent semantic index method, is based on a WSDL-based Web service searching method, uses the similarity of words and is based on a signature text. The natural language processing oriented Web service intelligent agent improves precision, simplifies algorithm optimal design, improves precision ratio and recall ratio, and is compatible and easy to promote and use, and has breakthrough significance for solving the technical problem on the solution to the practical application of the natural language processing oriented Web service intelligent agent.

Description

technical field [0001] The present invention belongs to the technical field of network communication, mainly relates to the field of Semantic Web Service (SWS), in particular to a method and system of Web service agent oriented to natural language processing, in particular to a Semantic Web service oriented to natural language processing intelligent agent. Background technique [0002] Semantic Web service is a new field of Internet technology, and it is the product of the combination of two important branches of Semantic Web and Web service. The main research content of Semantic Web Services is to use more abundant and distributed semantic description elements for dynamic distributed computing. By using relevant semantic description information, more flexible automated service provision and usage methods can be obtained, more powerful software development tools can be developed, semantic services can be constructed, and service-based software solutions can be created. The...

Claims

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Application Information

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IPC IPC(8): G06F17/30G06F17/28
Inventor 刘志境朱旭东姚勇王静杨伟
Owner XIDIAN UNIV
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