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SIGMOD
2002
ACM
219views Database» more  SIGMOD 2002»
15 years 11 months ago
Efficient k-NN search on vertically decomposed data
Applications like multimedia retrieval require efficient support for similarity search on large data collections. Yet, nearest neighbor search is a difficult problem in high dimen...
Arjen P. de Vries, Nikos Mamoulis, Niels Nes, Mart...
EDBT
2008
ACM
135views Database» more  EDBT 2008»
15 years 11 months ago
Minimizing latency and memory in DSMS: a unified approach to quasi-optimal scheduling
Data Stream Management Systems (DSMSs) must support optimized execution scheduling of multiple continuous queries on massive, and frequently bursty, data streams. Previous approac...
Yijian Bai, Carlo Zaniolo
82
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ICDT
2010
ACM
180views Database» more  ICDT 2010»
15 years 8 months ago
Foundations of SPARQL Query Optimization
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
Michael Schmidt, Michael Meier, Georg Lausen
ICDCS
2009
IEEE
15 years 8 months ago
m-LIGHT: Indexing Multi-Dimensional Data over DHTs
In this paper, we study the problem of indexing multidimensional data in the P2P networks based on distributed hash tables (DHTs). We identify several design issues and propose a ...
Yuzhe Tang, Jianliang Xu, Shuigeng Zhou, Wang-Chie...
EUROSYS
2008
ACM
15 years 8 months ago
Task activity vectors: a new metric for temperature-aware scheduling
Non-uniform utilization of functional units in combination with hardware mechanisms such as clock gating leads to different power consumptions in different parts of a processor ch...
Andreas Merkel, Frank Bellosa