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DAWAK
2000
Springer
14 years 1 months ago
Applying Vertical Fragmentation Techniques in Logical Design of Multidimensional Databases
In the context of multidimensional databases implemented on relational DBMSs through star schemes, the most effective technique to enhance performances consists of materializing re...
Matteo Golfarelli, Dario Maio, Stefano Rizzi
ICONFERENCE
2012
12 years 4 months ago
No forests without trees: particulars and patterns in visualizing personal communication
When people use visualizations of conversational archives, they typically reflect on particular events, rather than patterns of activity over time. We explore whether this is a fu...
Ou Jie Zhao, Tiffany Ng, Dan Cosley
PERCOM
2005
ACM
14 years 2 months ago
Applying Active Space Principles to Active Classrooms
Recent developments in pervasive computing have enabled new features for collaboration and instrumentation in educational technology systems. An infrastructure for the integration...
Chad Peiper, David Warden, Ellick Chan, Roy H. Cam...
IDEAS
2009
IEEE
176views Database» more  IDEAS 2009»
14 years 3 months ago
Evaluation of skyline algorithms in PostgreSQL
In this paper, we present our work on evaluating the skyline algorithms BNL, SFS, and a variant of LESS in PostgreSQL. It is well known that the performance of skyline queries is ...
Hannes Eder, Fang Wei
ACE
2004
315views Education» more  ACE 2004»
13 years 10 months ago
Applying SPICE to e-Learning: An e-Learning Maturity Model?
The Capability Maturity Model and SPICE approach to software process improvement has resulted in a robust system for improving development process capability in the field of softw...
Stephen Marshall, Geoff Mitchell