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DOLAP
2005
ACM
14 years 1 days ago
Parallel querying of ROLAP cubes in the presence of hierarchies
Online Analytical Processing is a powerful framework for the analysis of organizational data. OLAP is often supported by a logical structure known as a data cube, a multidimension...
Frank K. H. A. Dehne, Todd Eavis, Andrew Rau-Chapl...
DASFAA
1995
IEEE
118views Database» more  DASFAA 1995»
14 years 1 months ago
Combining Indexing Technique with Path Dictionary for Nested Object Queries
A path dictionary encodes the connections among objects in the aggregation hierarchy. It has been shown to be an efficient mechanism for supporting nested object queries [6]. In t...
Wang-Chien Lee, Dik Lun Lee
SIGMOD
2004
ACM
157views Database» more  SIGMOD 2004»
14 years 10 months ago
Holistic UDAFs at streaming speeds
Many algorithms have been proposed to approximate holistic aggregates, such as quantiles and heavy hitters, over data streams. However, little work has been done to explore what t...
Graham Cormode, Theodore Johnson, Flip Korn, S. Mu...
CIVR
2004
Springer
100views Image Analysis» more  CIVR 2004»
14 years 3 months ago
STRICT: An Image Retrieval Platform for Queries Based on Regional Content
This paper presents a CBIR system that is based on a segmented representation of image content. It compares regional features using fuzzy similarity, which have been shown to be ps...
Jean-François Omhover, Marcin Detyniecki
CASCON
2001
148views Education» more  CASCON 2001»
13 years 11 months ago
A Pareto model for OLAP view size estimation
On Line Analytical Processing (OLAP) aims at gaining useful information quickly from large amounts of data residing in a data warehouse. To improve the quickness of response to qu...
Thomas P. Nadeau, Toby J. Teorey