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» Quete: Ontology-Based Query System for Distributed Sources
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SEMWEB
2007
Springer
14 years 1 months ago
YARS2: A Federated Repository for Querying Graph Structured Data from the Web
We present the architecture of an end-to-end semantic search engine that uses a graph data model to enable interactive query answering over structured and interlinked data collecte...
Andreas Harth, Jürgen Umbrich, Aidan Hogan, S...
VLDB
2005
ACM
93views Database» more  VLDB 2005»
14 years 1 months ago
Revisiting Pipelined Parallelism in Multi-Join Query Processing
Multi-join queries are the core of any integration service that integrates data from multiple distributed data sources. Due to the large number of data sources and possibly high v...
Bin Liu, Elke A. Rundensteiner
DOLAP
2004
ACM
14 years 1 months ago
Evaluating XML-extended OLAP queries based on a physical algebra
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
Xuepeng Yin, Torben Bach Pedersen
APBC
2003
13 years 9 months ago
Towards Transparent Access to Multiple Biological Databanks
Nowadays, biologists use a number of large biological databanks to find relevant information for their research. Users of these databanks face a number of problems. One problem i...
Patrick Lambrix, Vaida Jakoniene
MIDDLEWARE
2005
Springer
14 years 1 months ago
Adaptive query processing in mobile environment
These last years, the evolution of nomadic terminals and mobile networks has yield to the development of the ubiquitous computing. In this context, actual query evaluation and opt...
Hocine Grine, Thierry Delot, Sylvain Lecomte