208 search results - page 11 / 42 » Efficient Computation of Multiple Group By Queries |
DAS
1998
Springer
13 years 11 months ago
1998
Springer
Numerous approaches, including textual, structural and featural, to detecting duplicate documents have been investigated. Considering document images are usually stored and transm...
RTCSA
2007
IEEE
14 years 1 months ago
2007
IEEE
RFID middleware systems collect and filter RFID streaming data gathered continuously by numerous readers to process requests from applications. These requests are called continuou...
MOBIHOC
2008
ACM
14 years 7 months ago
2008
ACM
Demands on better interacting with physical world require an effective and comprehensive collaboration mechanism among multiple heterogeneous sensor networks. Previous works mainl...
DAM
2008
13 years 7 months ago
2008
We describe the most efficient solutions to the word problem of Artin's braid group known so far, i.e., in other words, the most efficient solutions to the braid isotopy probl...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
In order to publish a nested XML document from flat relational data, multiple SQL queries are often needed. The efficiency of publishing relies on how fast these queries can be ev...