NDLI: Querying geo-social data by bridging spatial networks and social networks

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Querying geo-social data by bridging spatial networks and social networks

Content Provider	ACM Digital Library
Author	Kanza, Yaron Doytsher, Yerach Galon, Ben
Abstract	Recording the location of people using location-acquisition technologies, such as GPS, allows generating life patterns, which associate people to places they frequently visit. Considering life patterns as edges that connect users of a social network to geographical entities on a spatial network, enriches the social network, providing an integrated socio-spatial graph. Queries over such graph extract information on users, in correspondence with their location history, and extract information on geographical entities in correspondence with users who frequently visit these entities. In this paper we present the concept of a socio-spatial graph that is based on life patterns, where users are connected to geographical entities using life-pattern edges. We provide a set of operators that form a query language suitable for the integrated data. We consider two implementations of a socio-spatial graph storage---one implementation uses a relational database system as the underline data storage, and the other employs a graph database system. The two implementations are compared, experimentally, for various queries and data. An important contribution of this work is in illustrating the usefulness and the feasibility of maintaining and querying integrated socio-spatial graphs.
Starting Page	39
Ending Page	46
Page Count	8
File Format	PDF
ISBN	9781450304344
DOI	10.1145/1867699.1867707
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2010-11-02
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Spatio-social applications Social networks Graph database Geosocial networking Geographic information systems Spatial query language
Content Type	Text
Resource Type	Article

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