Recently, spatial keyword queries become a hot topic in the literature. One example of these
queries is the collective spatial keyword query (CoSKQ) which is to find a set of objects in …

The proliferation of GPS-enabledmobile devises and the popularity of social networking
have recently led to the rapid growth of Geo-Social Networks (GeoSNs). GeoSNs have …

The prosperity of location-based social networking has paved the way for new applications
of group-based activity planning and marketing. While such applications heavily rely on geo …

Geo-social group search aims to find a group of people proximate to a location while socially
related. One of the driven applications for geo-social group search is organizing an …

Given a collaborative social network and a task consisting of a set of required skills, the team
formation problem aims at finding a team of experts who not only satisfies the requirements …

A socio spatial group query finds a group of users who possess strong social connections
with each other and have the minimum aggregate spatial distance to a meeting point …

The development and integration of social networking services and smartphones have
made it easy for individuals to organize impromptu social activities anywhere and anytime …

Trip planning is one of the most important techniques in supporting digital map services. It
aims to find a set of location based services (LBSs) that can cover all user intended activities …

In this paper, we propose Geo-Social Keyword (GSK) search, which enables the retrieval of
users, points of interest (POIs), or keywords that satisfy geographic, social, and/or textual …

Location-based social networks, such as Foursquare and Facebook Places, are bridging the
gap between the physical world and online social networking services through acquired …