2217 search results - page 65 / 444 » Rank-aware Query Optimization |
152
Voted
ADBIS
2000
Springer
15 years 6 months ago
2000
Springer
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
228
click to vote
ICDE
2008
IEEE
16 years 3 months ago
2008
IEEE
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...
245
click to vote
TKDE
2012
13 years 4 months ago
2012
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...
227
click to vote
ICDT
2009
ACM
16 years 3 months ago
2009
ACM
The class of unions of conjunctive queries (UCQ) has been shown to be particularly well-behaved for data exchange; its certain answers can be computed in polynomial time (in terms...
207
click to vote
ICDE
2003
IEEE
16 years 3 months ago
2003
IEEE
Semantic caches, originally proposed for client-server database systems, are being recently deployed to accelerate the serving of dynamic web content by transparently caching data...