5166 search results - page 324 / 1034 » Web Query Optimizer |
274
click to vote
SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
193
click to vote
SSD
2001
Springer
15 years 11 months ago
2001
Springer
Abstract. In moving object databases, object locations in some multidimensional space depend on time. Previous work focuses mainly on moving object modeling (e.g., using ADTs, temp...
285
click to vote
AICS
2009
15 years 4 months ago
2009
Document length normalisation is known to be a difficult problem in IR, as tuning is often needed to overcome the collection dependence problem known to affect many normalisation s...
187
click to vote
SIGMOD
2002
ACM
16 years 6 months ago
2002
ACM
The emergence of the Web has increased interests in XML data. XML query languages such as XQuery and XPath use label paths to traverse the irregularly structured data. Without a s...
151
click to vote
USS
2010
15 years 4 months ago
2010
Search engines not only assist normal users, but also provide information that hackers and other malicious entities can exploit in their nefarious activities. With carefully craft...