2674 search results - page 118 / 535 » Data Models and Query Languages for Spatial Databases |
165
Voted
HPCC
2007
Springer
15 years 11 months ago
2007
Springer
Data missing is a common problem in database query processing, which can cause bias or lead to inefficient analyses, and this problem happens more often in sensor databases. The re...
172
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SIGMOD
2010
ACM
15 years 3 months ago
2010
ACM
Given a graph database D and a query graph g, an exact subgraph matching query asks for the set S of graphs in D that contain g as a subgraph. This type of queries find important...
127
Voted
ADBIS
2010
Springer
15 years 6 months ago
2010
Springer
Abstract. The need for location-based services has motivated an important research effort in the efficient processing of location-dependent queries. Most of the existing approaches...
165
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ICDE
2011
IEEE
14 years 8 months ago
2011
IEEE
Abstract—We propose a novel collaborative caching framework to support spatial query processing in Mobile Peer-toPeer Networks (MP2PNs). To maximize cache sharing among clients, ...
158
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IDEAS
2008
IEEE
15 years 11 months ago
2008
IEEE
With more and more natural language text stored in databases, handling respective query predicates becomes very important. Optimizing queries with predicates includes (sub)string ...