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» A Systematic Approach to Multidimensional Databases
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VLDB
1997
ACM
112views Database» more  VLDB 1997»
15 years 3 months ago
Selectivity Estimation Without the Attribute Value Independence Assumption
The result size of a query that involves multiple attributes from the same relation depends on these attributes’ joint data distribution,i.e., the frequencies of all combination...
Viswanath Poosala, Yannis E. Ioannidis
SSDBM
2006
IEEE
153views Database» more  SSDBM 2006»
15 years 5 months ago
HDF5-FastQuery: Accelerating Complex Queries on HDF Datasets using Fast Bitmap Indices
Large scale scientific data is often stored in scientific data formats such as FITS, netCDF and HDF. These storage formats are of particular interest to the scientific user com...
Luke J. Gosink, John Shalf, Kurt Stockinger, Keshe...
CVDB
2005
ACM
15 years 1 months ago
Optimizing progressive query-by-example over pre-clustered large image databases
The typical mode for querying in an image content-based information system is query-by-example, which allows the user to provide an image as a query and to search for similar imag...
Anicet Kouomou Choupo, Laure Berti-Equille, Annie ...
ER
1998
Springer
100views Database» more  ER 1998»
15 years 3 months ago
Designing Well-Structured Websites: Lessons to Be Learned from Database Schema Methodology
Abstract. In this paper we argue that many of the problems one may experience while visiting websites today may be avoided if their builders adopt a proper methodology for designin...
Olga De Troyer
IDS
1994
128views Database» more  IDS 1994»
15 years 3 months ago
Virtual Environments for Data Sharing and Visualisation - Populated Information Terrains
The Concept of Populated Information Terrains (PITS) aims to extend database technology with key ideas from the new fields of Virtual Reality (VR) and Computer Supported Cooperativ...
Steve Benford, John A. Mariani