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Mentor recommendation system and method

A technology of recommendation system and recommendation method, which is applied in the field of Internet search and can solve problems such as difficult evaluation of recommendation models

Inactive Publication Date: 2011-08-17
TSINGHUA UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is still a difficult point to evaluate the recommendation model based on personalization in the present invention

Method used

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  • Mentor recommendation system and method
  • Mentor recommendation system and method
  • Mentor recommendation system and method

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Embodiment Construction

[0075] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0076] Such as figure 1 As shown, the instructor recommendation system of the present invention includes: a data source module, a teacher-student relationship extraction module, an expert degree feature analysis module and a sorting module,

[0077] The data source module is used to provide teacher-student relationship data for the teacher-student relationship extraction module. The data used are 808,096 expert information, 1,348,073 paper information and teacher-student information on the World Wide Web provided by the researcher’s social network analysis and mining system (Arnetminer). Generate relational data.

[0078] The teacher-student relationship extraction modul...

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Abstract

The invention discloses a mentor recommendation system, comprising a data source module, a teacher and student relation extraction module, an expert degree characteristic analysis module, an expert degree calculation module and a sequencing module; the invention also discloses a mentor recommendation method, comprising the following steps of: S1, mining teachers and students relations by means of a model of a probability factor figure with time constraint; S2, establishing a recommendation model based on expert degree; S3, establishing a personalized recommendation model; and S4, outputting recommendation results according to the recommendation model based on expert degree and personalization. The mentor recommendation system and the method provided by the invention have the advantages that the NDCG (Normalized Discounted Cumulative Gain) index of a recommendation model is improved by 5 to 10%, a personalized recommendation model is established by means of a probability model, and a personalized mentor recommendation purpose is achieved.

Description

technical field [0001] The invention relates to the technical field of Internet search, in particular to an instructor recommendation system and method. Background technique [0002] In the process of learning and scientific research, a suitable mentor can often play a key role in one's own growth and development. It is also often necessary to seek a suitable supervisor during the process of studying abroad, applying for a graduate student, or doing scientific research. But as a student, the social circle is relatively small, and the channels for obtaining tutor information are very limited. For example, if you want to apply to go abroad, you are interested in data mining. At this time, if there is no senior data mining expert to introduce, it is difficult to fully understand the authoritative tutor in the field of data mining. In the survey on the user's purpose of use initiated by the academic search engine Arnetminer, a total of 331 users participated in the survey, and...

Claims

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Application Information

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IPC IPC(8): G06F17/30H04L29/08
Inventor 唐杰王喆何均宏冯建华李国良
Owner TSINGHUA UNIV
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