521 search results - page 16 / 105 » Answering Queries by Semantic Caches |
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
Answering queries over ontologies is an important issue for the Semantic Web. Aggregate queries were widely studied for relational databases but almost no results are known for ag...
KIVS
2005
Springer
15 years 3 months ago
2005
Springer
: In modern information systems the dominant retrieval paradigms have shifted from exact matching towards retrieving a list of the most relevant objects. This is because users usua...
109
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CORR
2010
Springer
14 years 4 months ago
2010
Springer
Matching dependencies were recently introduced as declarative rules for data cleaning and entity resolution. Enforcing a matching dependency on a database instance identifies the ...
AMW
2010
14 years 11 months ago
2010
Abstract. Consistent query answering (CQA) is about formally characterizing and computing semantically correct answers to queries posed to a database that may fail to satisfy certa...
191
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ICDE
2001
IEEE
15 years 11 months ago
2001
IEEE
We investigate query routing techniques in a cluster of databases for a query-dominant environment. The objective is to decrease query response time. Each component of the cluster...