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SIGMOD
2003
ACM
162views Database» more  SIGMOD 2003»
16 years 6 months ago
DBGlobe: a service-oriented P2P system for global computing
The challenge of peer-to-peer computing goes beyond simple file sharing. In the DBGlobe project, we view the multitude of peers carrying data and services as a superdatabase. Our ...
Evaggelia Pitoura, Serge Abiteboul, Dieter Pfoser,...
SBBD
2004
106views Database» more  SBBD 2004»
15 years 7 months ago
Twisting the Metric Space to Achieve Better Metric Trees
In order to index text fields in XML databases for similarity queries, M-Trees may be applied. However, some datasets experiments using M-Trees for this purpose resulted in low qu...
César Feijó Nadvorny, Carlos A. Heus...
PVLDB
2010
103views more  PVLDB 2010»
15 years 4 months ago
Fast Optimal Twig Joins
In XML search systems twig queries specify predicates on node values and on the structural relationships between nodes, and a key operation is to join individual query node matche...
Nils Grimsmo, Truls Amundsen Bjørklund, Mag...
ICDE
2010
IEEE
246views Database» more  ICDE 2010»
16 years 6 months ago
Admission Control Mechanisms for Continuous Queries in the Cloud
Abstract--Amazon, Google, and IBM now sell cloud computing services. We consider the setting of a for-profit business selling data stream monitoring/management services and we inve...
Alexandros Labrinidis, Christine Chung, Kirk Pruhs...
ICDE
2010
IEEE
401views Database» more  ICDE 2010»
16 years 3 months ago
Continuous Query Evaluation over Distributed Sensor Networks
— In this paper1 we address the problem of processing continuous multi-join queries, over distributed data streams. Our approach makes use of existing work in the field of publi...
Oana Jurca, Sebastian Michel, Alexandre Herrmann, ...