2217 search results - page 133 / 444 » Rank-aware Query Optimization |
287
click to vote
ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
230
click to vote
SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Suppose a long-running analytical query is executing on a database server and has been allocated a large amount of physical memory. A high-priority task comes in and we need to ru...
191
click to vote
WWW
2006
ACM
16 years 6 months ago
2006
ACM
Applications and services that access Web data are becoming increasingly more useful and wide-spread. Current main-stream Web query languages such as XQuery, XSLT, or SPARQL, howe...
149
click to vote
SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
We discuss the design of an acquisitional query processor for data collection in sensor networks. Acquisitional issues are those that pertain to where, when, and how often data is...
145
click to vote
SEMWEB
2009
Springer
16 years 21 days ago
2009
Springer
Abstract. Query answering for the QL profile of OWL 2 and a substantial fragment of the EL profile can be implemented via query rewriting. In our previous work, we presented RQR...