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» Computer Supported Query Formulation in an Evolving Context
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CG
2007
Springer
13 years 7 months ago
Semantic lenses: Seamless augmentation of web pages with context information from implicit queries
We propose a novel method to support analytical processes by visually integrating context information directly into web pages. The context information is obtained from knowledge b...
Martin Rotard, Mark Giereth, Thomas Ertl
SIGMOD
1999
ACM
132views Database» more  SIGMOD 1999»
13 years 11 months ago
Mind Your Vocabulary: Query Mapping Across Heterogeneous Information Sources
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
SAC
2006
ACM
14 years 1 months ago
Imprecise RDQL: towards generic retrieval in ontologies using similarity joins
Traditional semantic web query languages support a logicbased access to the semantic web. They offer a retrieval (or reasoning) of data based on facts. On the traditional web and...
Abraham Bernstein, Christoph Kiefer
KR
2010
Springer
14 years 5 days ago
Query and Predicate Emptiness in Description Logics
Ontologies can be used to provide an enriched vocabulary for the formulation of queries over instance data. We identify query emptiness and predicate emptiness as two central reas...
Franz Baader, Meghyn Bienvenu, Carsten Lutz, Frank...
ECOWS
2009
Springer
14 years 2 months ago
RESTful SPARQL? You name it!: aligning SPARQL with REST and resource orientation
SPARQL is the standard query language for RDF, but currently is a read-only language defined in a way similar to SQL: Queries can be formulated, are submitted to a single process...
Erik Wilde, Michael Hausenblas