2043 search results - page 125 / 409 » The Limits of Querying Ontologies |
VLDB
2007
ACM
14 years 9 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 ...
DASFAA
2008
IEEE
14 years 3 months ago
2008
IEEE
Twig pattern matching (TPM) is the core operation of XML query processing. Existing approaches rely on either efficient data structures or novel labeling/indexing schemes to reduce...
WWW
2003
ACM
14 years 9 months ago
2003
ACM
The binary form of an image does not tell what the image is about. It is possible to retrieve images from a database using pattern matching techniques, but usually textual descript...
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
ERCIMDL
2004
Springer
14 years 2 months ago
2004
Springer
Advanced personalization techniques are required to cope with novel challenges posed by attribute-rich MPEG-7 based digital libraries. At the heart of our deeply personalized news ...