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AUSDM
2007
Springer
131views Data Mining» more  AUSDM 2007»
15 years 11 months ago
A Bottom-Up Projection Based Algorithm for Mining High Utility Itemsets
Mining High Utility Itemsets from a transaction database is to find itemsests that have utility above a user-specified threshold. This problem is an extension of Frequent Itemset ...
Alva Erwin, Raj P. Gopalan, N. R. Achuthan
WAIM
2004
Springer
15 years 10 months ago
Learning-Based Top-N Selection Query Evaluation over Relational Databases
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...
Liang Zhu, Weiyi Meng
CSCW
2000
ACM
15 years 9 months ago
Distance, dependencies, and delay in a global collaboration
Collaborations over distance must contend with the loss of the rich, subtle interactions that co-located teams use to coordinate their work. Previous research has suggested that o...
James D. Herbsleb, Audris Mockus, Thomas A. Finhol...
EGH
2004
Springer
15 years 8 months ago
Understanding the efficiency of GPU algorithms for matrix-matrix multiplication
Utilizing graphics hardware for general purpose numerical computations has become a topic of considerable interest. The implementation of streaming algorithms, typified by highly ...
Kayvon Fatahalian, Jeremy Sugerman, Pat Hanrahan
ACMDIS
2008
ACM
15 years 6 months ago
Handy navigation in ever-changing spaces: an ethnographic study of firefighting practices
This paper presents an ethnographic study, conducted to gain an insight of the practices around navigation of firefighters on the first line of intervention. We argue that the com...
Sebastian Denef, Leonardo Ramirez, Tobias Dyrks, G...