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VLDB
2011
ACM
245views Database» more  VLDB 2011»
15 years 1 months ago
Normalization and optimization of schema mappings
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
Georg Gottlob, Reinhard Pichler, Vadim Savenkov
MDM
2007
Springer
126views Communications» more  MDM 2007»
16 years 20 days ago
Semantics of Spatially-Aware Windows Over Streaming Moving Objects
Several window constructs are usually specified in continuous queries over data streams as a means of limiting the amount of data processed each time and thus providing real-time...
Kostas Patroumpas, Timos K. Sellis
WEBDB
2007
Springer
133views Database» more  WEBDB 2007»
16 years 19 days ago
EntityAuthority: Semantically Enriched Graph-Based Authority Propagation
This paper pursues the recently emerging paradigm of searching for entities that are embedded in Web pages. We utilize informationextraction techniques to identify entity candidat...
Julia Stoyanovich, Srikanta J. Bedathur, Klaus Ber...
WISE
2005
Springer
16 years 3 days ago
OWLIM - A Pragmatic Semantic Repository for OWL
OWLIM is a high-performance Storage and Inference Layer (SAIL) for Sesame, which performs OWL DLP reasoning, based on forward-chaining of entilement rules. The reasoning and query ...
Atanas Kiryakov, Damyan Ognyanov, Dimitar Manov
ICWS
2004
IEEE
15 years 8 months ago
A DAML-Based Repository for QoS-Aware Semantic Web Service Selection
The Web is moving toward a collection of interoperating Web services. Achieving this interoperability requires dynamic discovery of Web services on the basis of their capabilities...
A. Soydan Bilgin, Munindar P. Singh