2145 search results - page 68 / 429 » Pattern-Based Query Answering |
CCIA
2009
Springer
15 years 8 days ago
2009
Springer
When an agent receives a query from another agent, it tries to satisfy it by building an answer based on its current knowledge. Depending on the available time or the urgency of t...
EUC
2004
Springer
15 years 2 months ago
2004
Springer
The demand of information services has fueled in recent years. However, the requested of correct answer in a mobile environment needs to have more attentions. This is due to the sc...
116
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CIKM
2010
Springer
14 years 9 months ago
2010
Springer
Recently, several research efforts have addressed answering skyline queries efficiently over large datasets. However, this research lacks methods to compute these queries over un...
108
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AMW
2009
15 years 9 days ago
2009
We investigate the space requirements for summaries needed for maintaining exact answers to aggregate queries over histories of relational databases. We show that, in general, a su...
200
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ICDE
2007
IEEE
16 years 16 days 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...