3151 search results - page 173 / 631 » Using query term order for result summarisation |
167
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DKE
2010
15 years 4 months ago
2010
We describe the Consistency Extractor System (ConsEx) that computes consistent answers to Datalog queries with negation posed to relational databases that may be inconsistent with...
160
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WWW
2008
ACM
16 years 5 months ago
2008
ACM
Efficiently querying RDF [1] data is being an important factor in applying Semantic Web technologies to real-world applications. In this context, many efforts have been made to st...
135
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LOGCOM
2007
15 years 4 months ago
2007
We consider the problem of incorporating arbitrary preferences in planning systems. A preference may be seen as a goal or constraint that is desirable, but not necessary, to satis...
177
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PODS
1998
ACM
15 years 8 months ago
1998
ACM
We consider the problem of estimating CPU (distance computations) and I/O costs for processing range and k-nearest neighbors queries over metric spaces. Unlike the specific case ...
248
Voted
SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
Many scientific, financial, data mining and sensor network applications need to work with continuous, rather than discrete data e.g., temperature as a function of location, or sto...