2492 search results - page 298 / 499 » Ontology-based Database Access |
259
click to vote
VLDB
2007
ACM
16 years 6 months ago
2007
ACM
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
235
click to vote
VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Main memory cache performance continues to play an important role in determining the overall performance of object-oriented, object-relational and XML databases. An effective metho...
180
click to vote
SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
High-quality annotation of biological data is central to bioinformatics. Annotation using terms from ontologies provides reliable computational access to data. The Gene Ontology (...
196
click to vote
PODS
2008
ACM
16 years 6 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
137
click to vote
EDBT
2004
ACM
16 years 6 months ago
2004
ACM
Though skyline queries already have claimed their place in retrieval over central databases, their application in Web information systems up to now was impossible due to the distri...