Sciweavers

53 search results - page 3 / 11
» Preferential Regular Path Queries
Sort
View
EDBTW
2006
Springer
14 years 6 days ago
Enhanced Regular Path Queries on Semistructured Databases
Regular path queries are the basic navigational component of virtually all the mechanisms for querying semistructured data commonly found in information integration applications, W...
Dan C. Stefanescu, Alex Thomo
ICDT
2001
ACM
162views Database» more  ICDT 2001»
14 years 1 months ago
Algebraic Rewritings for Optimizing Regular Path Queries
Rewriting queries using views is a powerful technique that has applications in query optimization, data integration, data warehousing etc. Query rewriting in relational databases ...
Gösta Grahne, Alex Thomo
AAAI
2007
13 years 11 months ago
Answering Regular Path Queries in Expressive Description Logics: An Automata-Theoretic Approach
Expressive Description Logics (DLs) have been advocated as formalisms for modeling the domain of interest in various application areas. An important requirement is the ability to ...
Diego Calvanese, Thomas Eiter, Magdalena Ortiz
SEMWEB
2010
Springer
13 years 6 months ago
Combining Approximation and Relaxation in Semantic Web Path Queries
We develop query relaxation techniques for regular path queries and combine them with query approximation in order to support flexible querying of RDF data when the user lacks know...
Alexandra Poulovassilis, Peter T. Wood
SIGMOD
2003
ACM
99views Database» more  SIGMOD 2003»
14 years 8 months ago
Reasoning on regular path queries
Diego Calvanese, Giuseppe De Giacomo, Maurizio Len...