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» Dependencies to Optimize Ontology Based Data Access
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SIGMOD
2001
ACM
104views Database» more  SIGMOD 2001»
15 years 11 months ago
Independence is Good: Dependency-Based Histogram Synopses for High-Dimensional Data
Approximating the joint data distribution of a multi-dimensional data set through a compact and accurate histogram synopsis is a fundamental problem arising in numerous practical ...
Amol Deshpande, Minos N. Garofalakis, Rajeev Rasto...
VLDB
1999
ACM
89views Database» more  VLDB 1999»
15 years 3 months ago
Physical Data Independence, Constraints, and Optimization with Universal Plans
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
Alin Deutsch, Lucian Popa, Val Tannen
CCGRID
2005
IEEE
15 years 1 months ago
A semantic grid-based data access and integration service for bioinformatics
Given the heterogeneous nature of biological data and their intensive use in many tools, in this paper we propose a semantic data access and integration (DAI) service, based on th...
Giovanni Aloisio, Massimo Cafaro, Italo Epicoco, S...
MTA
2010
101views more  MTA 2010»
14 years 10 months ago
Enquiring MPEG-7 based multimedia ontologies
Machine understandable metadata forms the main prerequisite for the intelligent services envisaged in a Web, which going beyond mere data exchange and provides for effective conten...
Stamatia Dasiopoulou, Vassilis Tzouvaras, Ioannis ...
CODES
2005
IEEE
15 years 5 months ago
SOMA: a tool for synthesizing and optimizing memory accesses in ASICs
Arbitrary memory dependencies and variable latency memory systems are major obstacles to the synthesis of large-scale ASIC systems in high-level synthesis. This paper presents SOM...
Girish Venkataramani, Tiberiu Chelcea, Seth Copen ...