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KCAP
2009
ACM
14 years 2 months ago
Knowledge engineering rediscovered: towards reasoning patterns for the semantic web
The extensive work on Knowledge Engineering in the 1990s has resulted in a systematic analysis of task-types, and the corresponding problem solving methods that can be deployed fo...
Frank van Harmelen, Annette ten Teije, Holger Wach...
RECSYS
2009
ACM
14 years 2 months ago
Collaborative prediction and ranking with non-random missing data
A fundamental aspect of rating-based recommender systems is the observation process, the process by which users choose the items they rate. Nearly all research on collaborative ï¬...
Benjamin M. Marlin, Richard S. Zemel
LATIN
2010
Springer
14 years 2 months ago
The I/O Complexity of Sparse Matrix Dense Matrix Multiplication
We consider the multiplication of a sparse N × N matrix A with a dense N × N matrix B in the I/O model. We determine the worst-case non-uniform complexity of this task up to a c...
Gero Greiner, Riko Jacob
ACISICIS
2007
IEEE
14 years 2 months ago
A Framework to Detect Deviations During Process Enactment
People enacting processes deviate from the process definition for a variety of different reasons, the consequences of which may be either positive or negative. Detecting deviation...
Sean Thompson, Torab Torabi, Purva Joshi
IEEEIAS
2007
IEEE
14 years 2 months ago
An LSB Data Hiding Technique Using Prime Numbers
In this paper, a novel data hiding technique is proposed, as an improvement over the Fibonacci LSB data-hiding technique proposed by Battisti et al. [1]. First we mathematically m...
Sandipan Dey, Ajith Abraham, Sugata Sanyal