1286 search results - page 30 / 258 » Scalable Package Queries in Relational Database Systems |
108
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SEMWEB
2009
Springer
15 years 5 months ago
2009
Springer
RDF Schema (RDFS) as a lightweight ontology language is gaining popularity and, consequently, tools for scalable RDFS inference and querying are needed. SPARQL has become recently ...
EDBT
2006
ACM
15 years 11 months ago
2006
ACM
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. Current skyline computation methods are rest...
187
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SIGMOD
2006
ACM
15 years 11 months ago
2006
ACM
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
112
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EDBT
2009
ACM
15 years 3 months ago
2009
ACM
Text corpora are often enhanced by additional metadata which relate real-world entities, with each document in which such entities are discussed. Such relationships are typically ...
PODS
2001
ACM
15 years 11 months ago
2001
ACM
Several commercial applications, such as online comparison shopping and process automation, require integrating information that is scattered across multiple websites or XML docum...