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l-Close Range Friends Query on Social Grid Index
Changbeom SHIM Wooil KIM Wan HEO Sungmin YI Yon Dohn CHUNG
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2017/04/01
Online ISSN: 1745-1361
Type of Manuscript: Special Section LETTER (Special Section on Data Engineering and Information Management)
spatial database, location-based service, geo-social networks, close range friends query,
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The development of smart devices has led to the growth of Location-Based Social Networking Services (LBSNSs). In this paper, we introduce an l-Close Range Friends query that finds all l-hop friends of a user within a specified range. We also propose a query processing method on Social Grid Index (SGI). Using real datasets, the performance of our method is evaluated.