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CIKM
2008
Springer
13 years 10 months ago
Answering general time sensitive queries
Time is an important dimension of relevance for a large number of searches, such as over blogs and news archives. So far, research on searching over such collections has largely f...
Wisam Dakka, Luis Gravano, Panagiotis G. Ipeirotis
WECWIS
2008
IEEE
100views ECommerce» more  WECWIS 2008»
14 years 3 months ago
ISENS: A Multi-ontology Query System for the Semantic Deep Web
We present ISENS, a distributed, end-to-end, ontologybased information integration system. In response to a user’s query, our system is capable of retrieving facts from data sou...
Abir Qasem, Dimitre A. Dimitrov, Jeff Heflin
JAPLL
2010
179views more  JAPLL 2010»
13 years 7 months ago
Tractable query answering and rewriting under description logic constraints
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
Héctor Pérez-Urbina, Boris Motik, Ia...
COMAD
2009
13 years 9 months ago
Information Integration: Challenges and Approaches
The problem of information integration is discussed in the context of answering a query over the web. Querying the web requires that information from different web and other sourc...
Sharma Chakravarthy
PODS
2004
ACM
115views Database» more  PODS 2004»
14 years 8 months ago
Foundations of Semantic Web Databases
The Semantic Web is based on the idea of adding more machine-readable semantics to web information via annotations written in a language called the Resource Description Framework ...
Claudio Gutiérrez, Carlos A. Hurtado, Alber...