2043 search results - page 178 / 409 » The Limits of Querying Ontologies |
APIN
2006
13 years 9 months ago
2006
The problem of service and resource matching is being actively discussed currently as a new challenging task for the next generation of semantic discovery approaches for Web servic...
ENGL
2007
13 years 9 months ago
2007
—This paper presents a novel hybrid method for content based visual information retrieval (CBIR) that combines shape analysis of objects in image with their automatic indexing by...
AAAI
2012
11 years 11 months ago
2012
We tackle the problem of defining a well-founded semantics (WFS) for Datalog rules with existentially quantified variables in their heads and negations in their bodies. In partic...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
The Boolean semantics of SQL queries cannot adequately capture the "fuzzy" preferences and "soft" criteria required in non-traditional data retrieval applicati...
SIGMOD
2001
ACM
14 years 9 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...