392 search results - page 56 / 79 » Optimal location queries in road network databases |
117
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SIGMOD
2004
ACM
16 years 16 days ago
2004
ACM
Peer data management systems (PDMS) offer a flexible architecture for decentralized data sharing. In a PDMS, every peer is associated with a schema that represents the peer's...
232
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ICDE
2008
IEEE
17 years 4 days ago
2008
IEEE
This paper introduces an efficient algorithm for Producing Early Results in Multi-join query plans (PermJoin, for short). While most previous research focuses only on the
case of ...
GIS
2010
ACM
14 years 10 months ago
2010
ACM
Spatial Alarms are reminders for mobile users upon their arrival of certain spatial location of interest. Spatial alarm processing requires meeting two demanding objectives: high ...
197
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GIS
2004
ACM
16 years 1 months ago
2004
ACM
The advances in wireless communication and decreasing costs of mobile devices have enabled users to access desired information at any time. Coupled with positioning technologies l...
93
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CORR
2011
Springer
14 years 4 months ago
2011
Springer
Searching for optimal ways in a network is an important task in multiple application areas such as social networks, co-citation graphs or road networks. In the majority of applicat...