412 search results - page 51 / 83 » Aggregate queries over ontologies |
DEBS
2007
ACM
14 years 2 months ago
2007
ACM
Queries for composite events typically involve the four complementary dimensions of event data, event composition, relationships between events (esp. temporal and causal), and acc...
CIKM
2010
Springer
13 years 8 months ago
2010
Springer
This paper proposes a ranking method to exploit statistical correlations among pairs of attribute values in relational databases. For a given query, the correlations of the query ...
ICSNC
2007
IEEE
14 years 4 months ago
2007
IEEE
RFID data are usually regarded as streaming data that are huge and change frequently because they are gathered continuously by numerous readers. RFID middleware filters the data a...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
As computer systems are essential components of many critical commercial services, the need for secure online transactions is now becoming evident. The demand for such application...
SEMWEB
2010
Springer
13 years 8 months ago
2010
Springer
We present a scalable, SPARQL-based computational pipeline for testing the lattice-theoretic properties of partial orders represented as RDF triples. The use case for this work is ...