944 search results - page 120 / 189 » Evaluating Ontology Cleaning |
266
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PODS
2009
ACM
16 years 6 months ago
2009
ACM
We consider the problem of deciding query equivalence for a conjunctive language in which queries output complex objects composed from a mixture of nested, unordered collection ty...
119
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KDD
2004
ACM
16 years 6 months ago
2004
ACM
Automatically segmenting unstructured text strings into structured records is necessary for importing the information contained in legacy sources and text collections into a data ...
141
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CHI
2004
ACM
16 years 6 months ago
2004
ACM
The complexity of many problems necessitates creating and exploring multiple, alternative solutions. However, current user interfaces do not cleanly support creating alternatives ...
308
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...
186
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SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...