3368 search results - page 134 / 674 » The Complexity of Query Reliability |
101
Voted
ESWS
2007
Springer
15 years 8 months ago
2007
Springer
Complex relationships, frequently referred to as semantic associations, are the essence of the Semantic Web. Query and retrieval of semantic associations has been an important task...
142
Voted
ODBIS
2007
Springer
15 years 8 months ago
2007
Springer
Supporting SPARQL queries over relational databases becomes an active topic recently. However, it has not received enough consideration when SPARQL queries include restrictions on...
118
Voted
PODS
2006
ACM
16 years 2 months ago
2006
ACM
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
155
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ECIR
2009
Springer
15 years 5 days ago
2009
Springer
Abstract. The structural heterogeneity and complexity of XML repositories makes query formulation challenging for users who have little knowledge of XML. To assist its users, an XM...
124
Voted
SIGMOD
2008
ACM
15 years 2 months ago
2008
ACM
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...