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» Predicting query performance on the web
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ICEIS
2003
IEEE
14 years 2 months ago
Incremental Horizontal Fragmentation of Database Class Objects
: Horizontal fragments of a class in an object-oriented database system contain subsets of the class extent or instance objects. These fragments are created with a set of system in...
Christie I. Ezeife, Pinakpani Dey
ADBIS
2001
Springer
114views Database» more  ADBIS 2001»
14 years 1 months ago
Evaluation of Join Strategies for Distributed Mediation
Three join algorithms are evaluated in an environment with distributed main-memory based mediators and data sources. A streamed ship-out join ships bulks of tuples to a mediator ne...
Vanja Josifovski, Timour Katchaounov, Tore Risch
DASFAA
2007
IEEE
156views Database» more  DASFAA 2007»
14 years 26 days ago
An Efficient and Scalable Management of Ontology
Abstract. OWL is a recommended language for publishing and sharing ontologies on the Semantic Web. To manage the ontologies, several OWL data management systems have been proposed....
Myung-Jae Park, Jihyun Lee, Chun-Hee Lee, Jiexi Li...
AAAI
2010
13 years 10 months ago
Fast Algorithms for Top-k Approximate String Matching
Top-k approximate querying on string collections is an important data analysis tool for many applications, and it has been exhaustively studied. However, the scale of the problem ...
Zhenglu Yang, Jianjun Yu, Masaru Kitsuregawa
DLOG
2006
13 years 10 months ago
Extending the SHOIQ(D) Tableaux with DL-safe Rules: First Results
On the Semantic Web, there has been increasing demand for a ruleslike expressivity that goes beyond OWL-DL. Efforts of combining rules languages and description logics usually pro...
Vladimir Kolovski, Bijan Parsia, Evren Sirin