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SIGMOD
1997
ACM
160views Database» more  SIGMOD 1997»
13 years 11 months ago
Improved Query Performance with Variant Indexes
: The read-mostly environment of data warehousing makes it possible to use more complex indexes to speed up queries than in situations where concurrent updatesare present. The curr...
Patrick E. O'Neil, Dallan Quass
QEST
2007
IEEE
14 years 1 months ago
A Productivity Centered Tools Framework for Application Performance Tuning
Our productivity centered performance tuning framework for HPC applications comprises of three main components: (1) a versatile source code, performance metrics, and performance d...
Hui-Fang Wen, Simone Sbaraglia, Seetharami Seelam,...
ECIS
2001
13 years 9 months ago
Structuration Theory and Information System Development - Frameworks for Practice
Giddens' structuration theory (ST) offers an account of social life in terms of social practices developing and changing over time and space, which makes no attempt to direct...
Jeremy Rose, Rens Scheepers
GLOBECOM
2010
IEEE
13 years 5 months ago
Studying the Relationships between Spatial Structures of Wireless Networks and Population Densities
In this paper we show how to quantify dependency between the node distributions of wireless networks and the underlying population densities. Furthermore, we show that a quantitati...
Maria Michalopoulou, Janne Riihijärvi, Petri ...
CIVR
2007
Springer
231views Image Analysis» more  CIVR 2007»
14 years 1 months ago
Classification of video events using 4-dimensional time-compressed motion features
Among the various types of semantic concepts modeled, events pose the greatest challenge in terms of computational power needed to represent the event and accuracy that can be ach...
Alexander Haubold, Milind R. Naphade