617 search results - page 34 / 124 » Semantic queries in databases: problems and challenges |
DASFAA
2005
IEEE
14 years 2 months ago
2005
IEEE
Reducing the latency of information delivery in an event driven world has always been a challenge. It is often necessary to completely capture the attributes of events and relation...
ER
2006
Springer
14 years 19 days ago
2006
Springer
Emergent Semantics is a new paradigm for inferring semantic meaning from implicit feedback by a sufficiently large number of users of an object retrieval system. In this paper, we ...
CORR
2007
Springer
13 years 9 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
DASFAA
2009
IEEE
14 years 26 days ago
2009
IEEE
Graph-structured databases and related problems such as reachability query processing have been increasingly relevant to many applications such as XML databases, biological databas...
PR
2008
13 years 9 months ago
2008
Hundreds of millions of users each day submit queries to the Web search engine. The user queries are typically very short which makes query understanding a challenging problem. In...