60 search results - page 12 / 12 » Proactive Caching for Spatial Queries in Mobile Environments |
GIS
2009
ACM
13 years 11 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
PVLDB
2010
13 years 3 months ago
2010
Shortest path computation is one of the most common queries in location-based services that involve transportation networks. Motivated by scalability challenges faced in the mobil...
WWW
2007
ACM
14 years 5 months ago
2007
ACM
In this paper we present an application framework that leverages geospatial content on the World Wide Web by enabling innovative modes of interaction and novel types of user inter...
GIS
2007
ACM
14 years 5 months ago
2007
ACM
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...
CONEXT
2009
ACM
13 years 5 months ago
2009
ACM
: We study mobile P2P content dissemination schemes which leverage the local dedicated caches provided by hand-held devices (e.g., smart-phones, PDAs) and opportunistic contacts be...