196 search results - page 7 / 40 » The GMD Data Model and Algebra for Multidimensional Informat... |
DOLAP
1998
ACM
13 years 11 months ago
1998
ACM
Star schema has been a typical model for both online transaction processing in traditional databases and online analytical processing in large data warehouses. In the star schema,...
SSDBM
1998
IEEE
13 years 11 months ago
1998
IEEE
We address the issue of designing effective query languages for OLAP databases. The basis of our investigation is MD, a new data model for multidimensional databases that, unlike ...
SEBD
1997
13 years 9 months ago
1997
Abstract. Multidimensional databases are large collections of data, often historical, used for sophisticated analysis oriented to decision making. This activity is supported by an ...
ICDM
2005
IEEE
14 years 1 months ago
2005
IEEE
We present a novel approach for clustering sequences of multi-dimensional trajectory data obtained from a sensor network. The sensory time-series data present new challenges to da...
DOLAP
2009
ACM
14 years 2 months ago
2009
ACM
The current commercial and academic OLAP tools do not process XML data that make use of XLink. To develop OLAP systems for helping in the analysis of such data, this paper propose...