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DOLAP
2004
ACM
15 years 7 months ago
Aggregate queries in peer-to-peer OLAP
A peer-to-peer (P2P) data management system consists essentially of a network of peer systems, each maintaining full autonomy over its own data resources. Data exchange between pe...
Mauricio Minuto Espil, Alejandro A. Vaisman
102
Voted
DCC
2007
IEEE
16 years 1 months ago
Nonuniform Compression in Databases with Haar Wavelet
Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the data from ...
S. Chen, A. Nucci
ASPDAC
2004
ACM
80views Hardware» more  ASPDAC 2004»
15 years 7 months ago
Exploiting program execution phases to trade power and performance for media workload
Abstract- Processing streaming media comprisesseveral program phases (often distinct) that are periodic and independent of application data. In this paper we characterize execution...
Subhasis Banerjee, G. Surendra, S. K. Nandy
EMSOFT
2009
Springer
15 years 9 months ago
Flexible filters: load balancing through backpressure for stream programs
Stream processing is a promising paradigm for programming multi-core systems for high-performance embedded applications. We propose flexible filters as a technique that combines...
Rebecca L. Collins, Luca P. Carloni
ER
2003
Springer
148views Database» more  ER 2003»
15 years 7 months ago
Improving Query Performance Using Materialized XML Views: A Learning-Based Approach
We consider the problem of improving the efficiency of query processing on an XML interface of a relational database, for predefined query workloads. The main contribution of this ...
Ashish Shah, Rada Chirkova