Retrieval method and system of events and companions

A companion, activity technology, applied in the Internet field, can solve the problem that the recommendation technology cannot meet the real-time search needs of users, and achieve the effect of fast query speed

Active Publication Date: 2018-09-07
POWERLEADER TELECOM TECH
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a retrieval method and system for activities and companions, aiming to sol...

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  • Retrieval method and system of events and companions
  • Retrieval method and system of events and companions
  • Retrieval method and system of events and companions

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Embodiment Construction

[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0031] Peer similarity p(u*,e,u) measures how much user u* expects to do activity e with user u. Formula (1) is as follows, which is determined by two factors. First, users usually want to participate in activities similar to those they have been to, because people's points of interest often have certain characteristics. This is a common feature of many recommender systems and has been widely used for a long time. Second, people usually attend events with people who share their interests. In the embodiment of the present invention, the degree of mutual interest of two people can be expressed as ...

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Abstract

The invention provides a retrieval method of events and companions. The method is suitable for use in the field of internet technology. According to the embodiment of the invention, finding is carriedout according to an input query user and query keyword, and results including the pairing people of the query user and the matching events of the query keyword are obtained. The embodiment of the invention fuses the advantages of event and companion recommendation and keyword queries, retrieves event and companion pairs, and comprehensively considers text relevance related to text files and peerrelevance of expectation degrees of the query user on the peer companions. According to the embodiment of the invention, both text similarity and relationships of the events and the people are considered in event retrieval, a query can be carried out according to the query user and the query keyword, running time of the single query is at a second level, and query speed is high.

Description

[0001] technology neighborhood [0002] The invention belongs to the field of Internet technology, and in particular relates to a retrieval method and system for activities and companions. Background technique [0003] Activity social network (EBSN) can be simulated by bidirectional graph (G=<U,E,R>), as attached figure 1 As mentioned above, where U represents the user set, E represents the activity set, and R represents the user's participation in the activity. For example, r ∈ R = (u, e), u ∈ U, e ∈ E. Each activity e in E is related to a text file e.ψ describing the content and characteristics of the activity. Usually, this file is represented by a vector, and the members of the activity represent users who have participated in the activity. [0004] The flourishing of activity-based social networks has attracted great attention from the research community. Much research work revolves around event recommendation, venue recommendation, friend recommendation, and e...

Claims

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Application Information

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IPC IPC(8): G06F17/30G06Q50/00
CPCG06Q50/01
Inventor 吴定明朱艺黄哲学
Owner POWERLEADER TELECOM TECH
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