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DOLAP
2003
ACM
14 years 28 days ago
Exploiting hierarchical clustering in evaluating multidimensional aggregation queries
Multidimensional aggregation queries constitute the single most important class of queries for data warehousing applications and decision support systems. The bottleneck in the ev...
Dimitri Theodoratos
MM
2003
ACM
118views Multimedia» more  MM 2003»
14 years 28 days ago
Generation of interactive multi-level video summaries
In this paper, we describe how a detail-on-demand representation for interactive video is used in video summarization. Our approach automatically generates a hypervideo composed o...
Frank M. Shipman III, Andreas Girgensohn, Lynn Wil...
COMPSAC
2002
IEEE
14 years 20 days ago
Resource Instantiation Policies for Software Process Environments
Process-Centered Software Engineering Environments (PSEEs) deal with activities that demand limited resources. Characteristics about required resources and their dynamic availabili...
Carla Alessandra Lima Reis, Rodrigo Quites Reis, H...
SIGMOD
2010
ACM
171views Database» more  SIGMOD 2010»
14 years 15 days ago
Variance aware optimization of parameterized queries
Parameterized queries are commonly used in database applications. In a parameterized query, the same SQL statement is potentially executed multiple times with different parameter ...
Surajit Chaudhuri, Hongrae Lee, Vivek R. Narasayya
VLDB
2001
ACM
115views Database» more  VLDB 2001»
14 years 3 days ago
Dynamic Update Cube for Range-sum Queries
A range-sum query is very popular and becomes important in finding trends and in discovering relationships between attributes in diverse database applications. It sums over the se...
Seok-Ju Chun, Chin-Wan Chung, Ju-Hong Lee, Seok-Ly...