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SEMWEB
2009
Springer
14 years 2 months ago
Parallelization and Distribution Techniques for Ontology Matching in Urban Computing Environments
The usage of parallelization and distribution techniques in the field of ontology matching is of high interest for the semantic web community. This work presents an approach for ma...
Axel Tenschert, Matthias Assel, Alexey Cheptsov, G...
VLDB
2005
ACM
115views Database» more  VLDB 2005»
14 years 1 months ago
KLEE: A Framework for Distributed Top-k Query Algorithms
This paper addresses the efficient processing of top-k queries in wide-area distributed data repositories where the index lists for the attribute values (or text terms) of a query...
Sebastian Michel, Peter Triantafillou, Gerhard Wei...
EUROPAR
2004
Springer
14 years 1 months ago
OLAP Query Processing in a Database Cluster
OLAP queries are typically heavy-weight and ad-hoc thus requiring high storage capacity and processing power. In this paper, we address this problem using a database cluster which...
Alexandre A. B. Lima, Marta Mattoso, Patrick Valdu...
ICDE
1998
IEEE
163views Database» more  ICDE 1998»
14 years 9 months ago
Fast Nearest Neighbor Search in High-Dimensional Space
Similarity search in multimedia databases requires an efficient support of nearest-neighbor search on a large set of high-dimensional points as a basic operation for query process...
Stefan Berchtold, Bernhard Ertl, Daniel A. Keim, H...
COMAD
2008
13 years 9 months ago
Concurrency Control in Distributed MRA Index Structure
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...
Neha Singh, S. Sudarshan