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CLEF
2010
Springer
15 years 7 months ago
Validating Query Simulators: An Experiment Using Commercial Searches and Purchases
Abstract. We design and validate simulators for generating queries and relevance judgments for retrieval system evaluation. We develop a simulation framework that incorporates exis...
Bouke Huurnink, Katja Hofmann, Maarten de Rijke, M...
CIDR
2009
102views Algorithms» more  CIDR 2009»
15 years 7 months ago
Why Did My Query Slow Down
Enterprise environments have isolated teams responsible separately for database management and the management of underlying networkattached server-storage infrastructure (referred...
Nedyalko Borisov, Sandeep Uttamchandani, Ramani Ro...
CORR
2010
Springer
66views Education» more  CORR 2010»
15 years 6 months ago
Query strategy for sequential ontology debugging
Abstract. Debugging is an important prerequisite for the wide-spread application of ontologies, especially in areas that rely upon everyday users to create and maintain knowledge b...
Kostyantyn M. Shchekotykhin, Gerhard Friedrich
SIGMOD
2010
ACM
155views Database» more  SIGMOD 2010»
15 years 4 months ago
Querying RDF streams with C-SPARQL
Continuous SPARQL (C-SPARQL) is a new language for continuous queries over streams of RDF data. CSPARQL queries consider windows, i.e., the most recent triples of such streams, ob...
Davide Francesco Barbieri, Daniele Braga, Stefano ...
ICITA
2005
IEEE
15 years 12 months ago
Searching the Web: From Keywords to Semantic Queries
Within the emergent Semantic Web framework, the use of traditional web search engines based on keywords provided by the users is not adequate anymore. Instead, new methods based o...
José A. Royo, Eduardo Mena, Jorge Bernad, A...