Sciweavers

4234 search results - page 43 / 847
» OLAP on sequence data
Sort
View
IDEAS
2008
IEEE
105views Database» more  IDEAS 2008»
14 years 2 months ago
Pruning attribute values from data cubes with diamond dicing
Data stored in a data warehouse are inherently multidimensional, but most data-pruning techniques (such as iceberg and top-k queries) are unidimensional. However, analysts need to...
Hazel Webb, Owen Kaser, Daniel Lemire
SSDBM
2003
IEEE
95views Database» more  SSDBM 2003»
14 years 1 months ago
A Quad-Tree Based Multiresolution Approach for Two-dimensional Summary Data
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...
Francesco Buccafurri, Filippo Furfaro, Domenico Sa...
DAWAK
2010
Springer
13 years 8 months ago
Physical Design and Implementation of Spatial Data Warehouses Supporting Continuous Fields
Abstract. Although many proposals exist for extending Geographic Information Systems (GIS) with OLAP and data warehousing capabilities (a topic denoted SOLAP), only recently the im...
Leticia I. Gómez, Alejandro A. Vaisman, Est...
VLDB
2000
ACM
110views Database» more  VLDB 2000»
13 years 11 months ago
User-Adaptive Exploration of Multidimensional Data
In this paper we present a tool for enhanced exploration of OLAP data that is adaptive to a user's prior knowledge of the data. The tool continuously keeps track of the parts...
Sunita Sarawagi
SIGMOD
2003
ACM
163views Database» more  SIGMOD 2003»
14 years 7 months ago
Multi-Dimensional Clustering: A New Data Layout Scheme in DB2
We describe the design and implementation of a new data layout scheme, called multi-dimensional clustering, in DB2 Universal Database Version 8. Many applications, e.g., OLAP and ...
Sriram Padmanabhan, Bishwaranjan Bhattacharjee, Ti...