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» OLAP on sequence data
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VLDB
2002
ACM
98views Database» more  VLDB 2002»
13 years 9 months ago
Processing Star Queries on Hierarchically-Clustered Fact Tables
Star queries are the most prevalent kind of queries in data warehousing, OLAP and business intelligence applications. Thus, there is an imperative need for efficiently processing ...
Nikos Karayannidis, Aris Tsois, Timos K. Sellis, R...
CORR
2011
Springer
197views Education» more  CORR 2011»
13 years 5 months ago
Business Intelligence for Small and Middle-Sized Entreprises
Data warehouses are the core of decision support systems, which nowadays are used by all kind of enterprises in the entire world. Although many studies have been conducted on the ...
Oksana Grabova, Jérôme Darmont, Jean-...
WACV
2005
IEEE
14 years 3 months ago
Multi-Layer Hierarchical Clustering of Pedestrian Trajectories for Automatic Counting of People in Video Sequences
In this paper we propose an approach to count the number of pedestrians, given a trajectory data set provided by a tracking system. The tracking process itself is treated as a bla...
David Biliotti, Gianluca Antonini, Jean-Philippe T...
DAWAK
2004
Springer
14 years 3 months ago
Deriving Efficient SQL Sequences via Read-Aheads
A. Soydan Bilgin, Rada Chirkova, Timo J. Salo, Mun...
ICDM
2006
IEEE
122views Data Mining» more  ICDM 2006»
14 years 4 months ago
Optimal Segmentation Using Tree Models
Sequence data are abundant in application areas such as computational biology, environmental sciences, and telecommunications. Many real-life sequences have a strong segmental str...
Robert Gwadera, Aristides Gionis, Heikki Mannila