Sciweavers

SEDE
2010
13 years 8 months ago
BigCube: A Metamodel for Managing Multidimensional Data
New emerging scientific applications in geosciences, sensor and spatio-temporal domains require adaptive analysis frameworks that can handle large datasets with multiple dimension...
Ganesh Viswanathan, Markus Schneider
ER
2010
Springer
129views Database» more  ER 2010»
13 years 9 months ago
Specifying Aggregation Functions in Multidimensional Models with OCL
Multidimensional models are at the core of data warehouse systems, since they allow decision makers to early define the relevant information and queries that are required to satis...
Jordi Cabot, Jose-Norberto Mazón, Jes&uacut...
CIKM
2010
Springer
13 years 9 months ago
On the selectivity of multidimensional routing indices
Recently, the problem of efficiently supporting advanced query operators, such as nearest neighbor or range queries, over multidimensional data in widely distributed environments...
Christos Doulkeridis, Akrivi Vlachou, Kjetil N&osl...
TVCG
2008
90views more  TVCG 2008»
13 years 10 months ago
Rolling the Dice: Multidimensional Visual Exploration using Scatterplot Matrix Navigation
Scatterplots remain one of the most popular and widely-used visual representations for multidimensional data due to their simplicity, familiarity and visual clarity, even if they l...
Niklas Elmqvist, Pierre Dragicevic, Jean-Daniel Fe...
JDWM
2008
120views more  JDWM 2008»
13 years 10 months ago
Algebraic and Graphic Languages for OLAP Manipulations
This article deals with multidimensional analyses. Analyzed data are designed according to a conceptual model as a constellation of facts and dimensions, which are composed of mul...
Franck Ravat, Olivier Teste, Ronan Tournier, Gille...
DMDW
2001
127views Management» more  DMDW 2001»
14 years 6 days ago
MAC: Conceptual data modeling for OLAP
In this paper we address the issue of conceptual modeling of data used in multidimensional analysis. We view the problem from the end-user point of view and we describe a set of r...
Aris Tsois, Nikos Karayannidis, Timos K. Sellis
BDA
2001
14 years 6 days ago
Query-Driven Knowledge Discovery via OLAP manipulations
We study KDD (Knowledge Discovery in Databases) processes on OLAP (multidimensional and multilevel) data from a query point of view. Focusing on association rule mining, we consid...
Jean-François Boulicaut, Patrick Marcel, Ch...
SSDBM
1998
IEEE
141views Database» more  SSDBM 1998»
14 years 3 months ago
Modeling Multidimensional Databases, Cubes and Cube Operations
On-Line Analytical Processing (OLAP) is a trend in database technology, which was recently introduced and has attracted the interest of a lot of research work. OLAP is based on th...
Panos Vassiliadis
RANDOM
1999
Springer
14 years 3 months ago
Fast Approximate PCPs for Multidimensional Bin-Packing Problems
Abstract. We consider approximate PCPs for multidimensional bin-packing problems. In particular, we show how a verifier can be quickly convinced that a set of multidimensional blo...
Tugkan Batu, Ronitt Rubinfeld, Patrick White
ISMIR
2001
Springer
100views Music» more  ISMIR 2001»
14 years 3 months ago
Efficient Multidimensional Searching Routines
The problem of Music Information Retrieval can often be formalized as “searching for multidimensional trajectories”. It is well known that string-matching techniques provide r...
Josh Reiss