Recommendations in location-based social networks: a survey

Jie Bao, Yu Zheng, David Wilkie, Mohamed Mokbel

Research output: Contribution to journalArticle

235 Citations (Scopus)

Abstract

Recent advances in localization techniques have fundamentally enhanced social networking services, allowing users to share their locations and location-related contents, such as geo-tagged photos and notes. We refer to these social networks as location-based social networks (LBSNs). Location data bridges the gap between the physical and digital worlds and enables a deeper understanding of users’ preferences and behavior. This addition of vast geo-spatial datasets has stimulated research into novel recommender systems that seek to facilitate users’ travels and social interactions. In this paper, we offer a systematic review of this research, summarizing the contributions of individual efforts and exploring their relations. We discuss the new properties and challenges that location brings to recommender systems for LBSNs. We present a comprehensive survey analyzing 1) the data source used, 2) the methodology employed to generate a recommendation, and 3) the objective of the recommendation. We propose three taxonomies that partition the recommender systems according to the properties listed above. First, we categorize the recommender systems by the objective of the recommendation, which can include locations, users, activities, or social media. Second, we categorize the recommender systems by the methodologies employed, including content-based, link analysis-based, and collaborative filtering-based methodologies. Third, we categorize the systems by the data sources used, including user profiles, user online histories, and user location histories. For each category, we summarize the goals and contributions of each system and highlight the representative research effort. Further, we provide comparative analysis of the recommender systems within each category. Finally, we discuss the available data-sets and the popular methods used to evaluate the performance of recommender systems. Finally, we point out promising research topics for future work. This article presents a panorama of the recommender systems in location-based social networks with a balanced depth, facilitating research into this important research theme.

Original languageEnglish
Pages (from-to)525-565
Number of pages41
JournalGeoInformatica
Volume19
Issue number3
DOIs
Publication statusPublished - 1 Jul 2015
Externally publishedYes

Fingerprint

social network
Recommender systems
methodology
networking
history
recommendation
Collaborative filtering
Taxonomies
social media
taxonomy
travel

Keywords

  • Activity recommendations
  • Community discoveries
  • Friend recommendations
  • Location recommendations
  • Location-based services
  • Location-based social networks
  • Recommender systems
  • Social media recommendations

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Information Systems

Cite this

Recommendations in location-based social networks : a survey. / Bao, Jie; Zheng, Yu; Wilkie, David; Mokbel, Mohamed.

In: GeoInformatica, Vol. 19, No. 3, 01.07.2015, p. 525-565.

Research output: Contribution to journalArticle

Bao, Jie ; Zheng, Yu ; Wilkie, David ; Mokbel, Mohamed. / Recommendations in location-based social networks : a survey. In: GeoInformatica. 2015 ; Vol. 19, No. 3. pp. 525-565.
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