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» Querying web data: an object-oriented approach
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CIKM
2010
Springer
13 years 6 months ago
Query optimization for ontology-based information integration
In recent years, there has been an explosion of publicly available RDF and OWL data sources. In order to effectively and quickly answer queries in such an environment, we present...
Yingjie Li, Jeff Heflin
KDD
2005
ACM
177views Data Mining» more  KDD 2005»
14 years 8 months ago
Query chains: learning to rank from implicit feedback
This paper presents a novel approach for using clickthrough data to learn ranked retrieval functions for web search results. We observe that users searching the web often perform ...
Filip Radlinski, Thorsten Joachims
CIKM
2011
Springer
12 years 7 months ago
Semantic data markets: a flexible environment for knowledge management
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 ...
Roberto De Virgilio, Giorgio Orsi, Letizia Tanca, ...
DEXA
2005
Springer
118views Database» more  DEXA 2005»
14 years 1 months ago
Detecting Semantically Correct Changes to Relevant Unordered Hidden Web Data
Current proposals for XML change detection use structural constraints to detect the changes and they ignore semantic constraints. Consequently, they may produce semantically incorr...
Vladimir Kovalev, Sourav S. Bhowmick
SEMWEB
2010
Springer
13 years 5 months ago
Enterprise Data Classification Using Semantic Web Technologies
Organizations today collect and store large amounts of data in various formats and locations. However they are sometimes required to locate all instances of a certain type of data....
David Ben-David, Tamar Domany, Abigail Tarem