412 search results - page 53 / 83 » Aggregate queries over ontologies |
HT
2005
ACM
14 years 3 months ago
2005
ACM
This paper introduces a new method for linking the world view of the search engine user community with that of the search engine itself. This new method is based on collecting and...
DEXA
2009
Springer
14 years 4 months ago
2009
Springer
Semantic Web technologies facilitate data integration over a large number of sources with decentralised and loose coordination, ideally leading to interlinked datasets which descri...
DAMON
2006
Springer
14 years 1 months ago
2006
Springer
Hashing is one of the fundamental techniques used to implement query processing operators such as grouping, aggregation and join. This paper studies the interaction between modern...
SEMWEB
2005
Springer
14 years 3 months ago
2005
Springer
This paper presents SERSE – SEmantic Routing SystEm– a distributed multi-agent system composed of specialised agents that provides robust and efficient gathering and aggregati...
SIGMOD
2003
ACM
14 years 10 months ago
2003
ACM
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...