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ISCC
2008
IEEE
105views Communications» more  ISCC 2008»
16 years 1 months ago
VoRaQue: Range queries on Voronoi overlays
—This paper presents VoRaQue, a software layer supporting range queries on Voronoi P2P overlays. VoRaQue maps data in a 2-dimensional space. The P2P overlay is defined by links ...
Michele Albano, Laura Ricci, Martina Baldanzi, Ran...
SIGMOD
1999
ACM
101views Database» more  SIGMOD 1999»
15 years 11 months ago
Join Synopses for Approximate Query Answering
In large data warehousing environments, it is often advantageous to provide fast, approximate answers to complex aggregate queries based on statistical summaries of the full data....
Swarup Acharya, Phillip B. Gibbons, Viswanath Poos...
EDBT
2010
ACM
185views Database» more  EDBT 2010»
15 years 8 months ago
BP-Ex: a uniform query engine for business process execution traces
Many enterprises nowadays use business processes, based on the BPEL standard, to achieve their goals. Analyzing the execution of such processes is critical for enforcing business ...
Eran Balan, Tova Milo, Tal Sterenzy
SEBD
2008
178views Database» more  SEBD 2008»
15 years 8 months ago
A New Generation Search Engine Supporting Cross Domain Queries
d Abstract) Daniele Braga1 , Diego Calvanese2 , Alessandro Campi1 , Stefano Ceri1 , Florian Daniel1 , Davide Martinenghi1 , Paolo Merialdo3 , Riccardo Torlone3 1 Dip. di Elettronic...
Daniele Braga, Diego Calvanese, Alessandro Campi, ...
GEOINFO
2003
15 years 8 months ago
Efficient Query Processing on the Relational Quadtree
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
Hans-Peter Kriegel, Peter Kunath, Martin Pfeifle, ...