251 search results - page 40 / 51 » Rewriting Aggregate Queries using Description Logic |
DALT
2005
Springer
14 years 1 months ago
2005
Springer
Developing applications that make effective use of machine-readable knowledge sources as promised by the Semantic Web vision is attracting much of current research interest; this v...
ENC
2005
IEEE
14 years 1 months ago
2005
IEEE
This paper describes SKIMA, a mediation system that gives transparent access to heterogeneous and distributed sources considering their semantics and the semantics of application ...
AGTIVE
1999
Springer
14 years 2 days ago
1999
Springer
A suitable software architecture –for example in the area of distributed application– can be composed of known-to-work solutions. These are also known as design patterns. Howev...
DIAGRAMS
2008
Springer
13 years 9 months ago
2008
Springer
Euler diagrams are a natural method of representing set-theoretic data and have been employed in diverse areas such as visualizing statistical data, as a basis for diagrammatic log...
PODS
2002
ACM
14 years 8 months ago
2002
ACM
Data Warehousing and OLAPapplications typically view data as having multiple logical dimensions e.g., product, location with natural hierarchies de ned on each dimension. OLAP que...