96 search results - page 1 / 20 » Top-k spatial keyword queries on road networks |
EDBT
2012
ACM
12 years 1 months ago
2012
ACM
With the popularization of GPS-enabled devices there is an increasing interest for location-based queries. In this context, one interesting problem is processing top-k spatial key...
SAC
2009
ACM
14 years 5 months ago
2009
ACM
We present a GPU-based algorithm for computing discretized distance functions on road networks. As applications, we provide algorithms for computing discrete Order-k Network Voron...
GIS
2009
ACM
14 years 12 months ago
2009
ACM
The k-anonymity technique is widely used to provide location privacy protection for accessing location-based services (LBS), i.e., the exact location of a query initiator is cloak...
GIS
2008
ACM
13 years 12 months ago
2008
ACM
Location-based services are increasingly popular and it is a key challenge to efficiently support query processing. We present a novel design to process large numbers of location...
SIGMOD
2010
ACM
14 years 3 months ago
2010
ACM
Applications ranging from location-based services to multi-player online gaming require continuous query support to monitor, track, and detect events of interest among sets of mov...