427 search results - page 73 / 86 » Conjunctive Query Answering in EL using a Database System |
CIDR
2003
13 years 10 months ago
2003
It has frequently been observed that most of the world’s data lies outside database systems. The reason is that database systems focus on structured data, leaving the unstructur...
HPDC
2010
IEEE
13 years 9 months ago
2010
IEEE
In this paper we present the Brown Dwarf, a distributed system designed to efficiently store, query and update multidimensional data over an unstructured Peer-to-Peer overlay, wit...
CORR
2010
Springer
13 years 3 months ago
2010
Springer
Educational media mining is the process of converting raw media data from educational systems to useful information that can be used to design learning systems, answer research qu...
ICDT
2010
ACM
14 years 6 months ago
2010
ACM
It is known that the composition of schema mappings, each specified by source-to-target tgds (st-tgds), can be specified by a secondorder tgd (SO tgd). We consider the question of...
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
The proliferation of knowledge-sharing communities and the advances in information extraction have enabled the construction of large knowledge bases using the RDF data model to re...