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Service combination package recommendation system and method based on text mining

A technology of service composition and text mining, applied in transmission systems, data mining, unstructured text data retrieval, etc. It can solve the problem of not considering the mutual cooperation of services, unable to recommend services with complementary functions, and unable to find truly suitable keywords for users. Service and other issues to achieve the effect of improving the overall effect

Active Publication Date: 2017-01-25
SHANGHAI JIAO TONG UNIV
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AI Technical Summary

Problems solved by technology

Currently, users search for services through Web service search engines, but keyword-based matching often fails to find truly suitable services for users.
On the one hand, existing service-composition-oriented recommendations have a cold-start problem, that is, they cannot recommend new services; on the other hand, they do not consider the mutual cooperation of services, that is, they cannot recommend services with complementary functions.

Method used

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  • Service combination package recommendation system and method based on text mining
  • Service combination package recommendation system and method based on text mining
  • Service combination package recommendation system and method based on text mining

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Embodiment Construction

[0033] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0034] When the user gives a text description of the service combination to be constructed, the rhetorical relationship analysis is used to divide the description into several independent sentence blocks, and to calculate the similarity with each candidate service. The present invention uses TF-IDF to extract keywords, because based on Keyword matching often loses some information. For example, cats and animals literally have a low similarity, but in fact they are an affiliation. Thus, keyword-based mat...

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Abstract

The invention provides a service combination package recommendation system and method based on text mining. The method comprises the steps that 1, historical service combination data is collected to construct a data set, and historical service combinations and historical service combination function descriptions in the data set are constructed into a service database; 2, the historical serve combination function descriptions in the data set are partitioned into a plurality of statement blocks according to a rhetorical relation; 3, an intersentential relationship tree is constructed for each service combination to obtain relationships among the different statement blocks; 4, relationships among different services are acquired; 5, the relationships among the services are counted to generate a relationship matrix; 6, a user need is divided into statement blocks, and the previous K services are recommended to each statement block, wherein K is a positive integer; 7, semantic matching is conducted on the services in each statement block by combining the relationship matrix, and a service package recommended to a user is obtained. According to the system and method, the user can be helped to better build a model, the service combination package is recommended to the user, and then the overall effect of service recommendation is improved.

Description

technical field [0001] The invention relates to the technical field of Internet service retrieval, in particular to a system and method for recommending service packages based on text mining. Background technique [0002] With the development of the service computing field, the implementation and carrying forms of services have become more and more abundant after a long period of development, showing a trend of diversification. Providing customized services for users with different needs is gradually attracting attention. Traditional service providers are unable to provide customized services for each specific need, therefore, service portfolio becomes a solution to provide personalized services. For example, if a user needs to find a suitable restaurant to eat at their location, they need to list the local restaurants through the map service, and then obtain restaurant information on the evaluation service. If the two services are combined, it can provide personalized s s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06F17/27H04L29/08
CPCG06F16/3329G06F16/3344G06F16/36G06F16/9535G06F2216/03G06F40/284G06F40/30H04L67/51H04L67/55
Inventor 曹健顾颀
Owner SHANGHAI JIAO TONG UNIV
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