1000 search results - page 161 / 200 » Provenance for Aggregate Queries |
SIGIR
2011
ACM
13 years 21 days ago
2011
ACM
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
INFOCOM
2008
IEEE
14 years 4 months ago
2008
IEEE
— Many tasks require multiple sensing capabilities; in Wireless Sensor Networks (WSN), it is expensive to deploy a homogeneous network wherein every sensor has the same functiona...
MM
2006
ACM
14 years 3 months ago
2006
ACM
Computer vision researchers have recently proposed several local descriptor schemes. Due to lack of database support, however, these descriptors have only been evaluated using sma...
DMSN
2004
ACM
14 years 3 months ago
2004
ACM
Recent years have witnessed a rapidly growing interest in query processing in sensor and actuator networks. This is mainly due to the increased awareness of query processing as th...
EDBTW
2010
Springer
14 years 1 months ago
2010
Springer
Successfully structuring information in databases, OLAP cubes, and XML is a crucial element in managing data nowadays. However this process brought new challenges to usability. It...