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IDEAS
2005
IEEE
93views Database» more  IDEAS 2005»
15 years 12 months ago
Semantic Query Transformation Using Ontologies
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
Chokri Ben Necib, Johann Christoph Freytag
SIGMOD
2010
ACM
209views Database» more  SIGMOD 2010»
15 years 11 months ago
ProgXe: progressive result generation framework for multi-criteria decision support queries
We demonstrate ProgXe, a practical approach to support MultiCriteria Decision Support (MCDS) applications that need to report results as they are being generated to enable the use...
Venkatesh Raghavan, Elke A. Rundensteiner
EDBTW
2006
Springer
15 years 10 months 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
DLOG
2006
15 years 7 months ago
Data Complexity of Answering Unions of Conjunctive Queries in SHIQ
The novel context of accessing and querying large data repositories through ontologies that are formalized in terms of expressive DLs requires on the one hand to consider query an...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
TASLP
2008
84views more  TASLP 2008»
15 years 6 months ago
Searching Musical Audio Using Symbolic Queries
Finding a piece of music based on its content is a key problem in music information retrieval. For example, a user may be interested in finding music based on knowledge of only a s...
Iman S. H. Suyoto, Alexandra L. Uitdenbogerd, Falk...