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Knowledge and Information Systems

, Volume 47, Issue 2, pp 241–260 | Cite as

Context-aware location recommendation by using a random walk-based approach

  • Hakan BagciEmail author
  • Pinar Karagoz
Regular Paper

Abstract

The location-based social networks (LBSN) enable users to check in their current location and share it with other users. The accumulated check-in data can be employed for the benefit of users by providing personalized recommendations. In this paper, we propose a context-aware location recommendation system for LBSNs using a random walk approach. Our proposed approach considers the current context (i.e., current social relations, personal preferences and current location) of the user to provide personalized recommendations. We build a graph model of LBSNs for performing a random walk approach with restart. Random walk is performed to calculate the recommendation probabilities of the nodes. A list of locations are recommended to users after ordering the nodes according to the estimated probabilities. We compare our algorithm, CLoRW, with popularity-based, friend-based and expert-based baselines, user-based collaborative filtering approach and a similar work in the literature. According to experimental results, our algorithm outperforms these approaches in all of the test cases.

Keywords

Location-based social networks Location recommendation Context-aware recommendation Random walk 

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Copyright information

© Springer-Verlag London 2015

Authors and Affiliations

  1. 1.Computer Engineering DepartmentMiddle East Technical UniversityAnkaraTurkey

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