4193 search results - page 166 / 839 » Linking Data to Ontologies |
178
click to vote
DLOG
2011
14 years 9 months ago
2011
We show that, although conjunctive queries over OWL 2 QL ontologies are reducible to database queries, no algorithm can construct such a reduction in polynomial time without changi...
158
click to vote
SEMWEB
2010
Springer
15 years 3 months ago
2010
Springer
Systems based on statistical and machine learning methods have been shown to be extremely effective and scalable for the analysis of large amount of textual data. However, in the r...
176
click to vote
ISEMANTICS
2010
15 years 3 months ago
2010
LInked Data Services (LIDS) denote the integration of dataproviding services and Linked Data. LIDS are parameterised and formally described web resources which return RDF when der...
129
click to vote
IADIS
2008
15 years 6 months ago
2008
Data mining has emerged to address the problem of transforming data into useful knowledge. Although most data mining techniques, such as Association Rules, substantially reduce th...
152
click to vote
DOLAP
2010
ACM
15 years 2 months ago
2010
ACM
Object identification is a crucial step in most information systems. Nowadays, we have many different ways to identify entities such as surrogates, keys and object identifiers. Ho...