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Data Analysis and Knowledge Discovery  2018, Vol. 2 Issue (3): 9-21    DOI: 10.11925/infotech.2096-3467.2017.1123
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Classification Recommendation Based on ESSVM
Jun Hou1,2,3(),Kui Liu1,Qianmu Li2
1(School of Marxism Studies, Nanjing University of Science and Technology, Nanjing 210094, China)
2(School of Computer Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)
3(Zijin College, Nanjing University of Science and Technology, Nanjing 210094, China)
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[Objective] The traditional interest point recommendation methods are mostly based on simple context and can only recommend objects that are the most popular, cheapest or the closest to interest points. Combines time, category information with user’s check-in records, and make up for the shortcomings of traditional interest points recommendation methods with characteristics of user’s preference, and provide support for improving recommendation accuracy. [Methods] The interest point recommendation is considered as a sorting problem. In this paper, ESSVM (Embedded space ranking SVM) is proposed based on embedded spatial sorting support vector machine model to classify interest points according to different features. User preferences are captured using check-in data, and machine learning models are used to adjust the importance of different attributes in sorting. [Results] Compared with UserCF, VenueCF, PoV, NNR and other recommendation methods, ESSVM not only can capture individual heterogeneous preferences, but also can reduce the consumption of the training model of time. [Limitations] Collecting and integrating different contextual information from different location based social networks (LBSNs) will take a lot of work. In addition, if users reduce the granularity of time and class in ESSVM, they maybe need to solve the problem of data sparseness. [Conclusions] This method takes account of the impact of time variation on user preferences, as well as the location categories that users visit at different times. By providing useful contextual information and check-in records, it provides personalized suggestions.

Key wordsContext Sensitive Interest Points      Embedded Space Ranking      SVM      Recommendation Algorithm     
Received: 23 November 2017      Published: 03 April 2018

Cite this article:

Jun Hou,Kui Liu,Qianmu Li. Classification Recommendation Based on ESSVM. Data Analysis and Knowledge Discovery, 2018, 2(3): 9-21.

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