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VLDB
2000
ACM
163views Database» more  VLDB 2000»
15 years 3 months ago
Hierarchical Compact Cube for Range-Max Queries
A range-max query finds the maximum value over all selected cells of an on-line analytical processing (OLAP) data cube where the selection is specified by ranges of contiguous val...
Sin Yeung Lee, Tok Wang Ling, Hua-Gang Li
EDBT
2006
ACM
126views Database» more  EDBT 2006»
15 years 1 months ago
Replication, Load Balancing and Efficient Range Query Processing in DHTs
We consider the conflicting problems of ensuring data-access load balancing and efficiently processing range queries on peer-to-peer data networks maintained over Distributed Hash ...
Theoni Pitoura, Nikos Ntarmos, Peter Triantafillou
P2PKM
2004
15 years 1 months ago
RDFGrowth, a P2P annotation exchange algorithm for scalable Semantic Web applications
We present RDFGrowth, an algorithm that addresses a specific yet important scenario: large scale, end user targeted, metadata exchange P2P applications. In this scenario, peers per...
Giovanni Tummarello, Christian Morbidoni, Joackin ...
VLDB
2002
ACM
135views Database» more  VLDB 2002»
14 years 11 months ago
Maintaining Coherency of Dynamic Data in Cooperating Repositories
In this paper, we consider techniques for disseminating dynamic data--such as stock prices and real-time weather information--from sources to a set of repositories. We focus on th...
Shetal Shah, Krithi Ramamritham, Prashant J. Sheno...
ICDE
2011
IEEE
262views Database» more  ICDE 2011»
14 years 3 months ago
Memory-constrained aggregate computation over data streams
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
K. V. M. Naidu, Rajeev Rastogi, Scott Satkin, Anan...