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» Generalized Filtering Decomposition
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87
Voted
IWOCA
2009
Springer
123views Algorithms» more  IWOCA 2009»
15 years 7 months ago
Computability of Width of Submodular Partition Functions
The notion of submodular partition functions generalizes many of well-known tree decompositions of graphs. For fixed k, there are polynomial-time algorithms to determine whether ...
Petr Skoda
EDM
2008
121views Data Mining» more  EDM 2008»
15 years 2 months ago
Analytic Comparison of Three Methods to Evaluate Tutorial Behaviors
We compare the purposes, inputs, representations, and assumptions of three methods to evaluate the fine-grained interactions of intelligent tutors with their students. One method i...
Jack Mostow, Xiaonan Zhang
WWW
2008
ACM
16 years 1 months ago
Collaborative filtering on skewed datasets
Many real life datasets have skewed distributions of events when the probability of observing few events far exceeds the others. In this paper, we observed that in skewed datasets...
Somnath Banerjee, Krishnan Ramanathan
101
Voted
ISMIS
2009
Springer
15 years 7 months ago
Alternative Formulas for Rating Prediction Using Collaborative Filtering
This paper proposes and evaluates several alternate design choices for common prediction metrics employed by neighborhood-based collaborative filtering approach. It first explores ...
Amar Saric, Mirsad Hadzikadic, David Wilson
75
Voted
ARC
2010
Springer
128views Hardware» more  ARC 2010»
15 years 3 months ago
Reconfigurable Polyphase Filter Bank Architecture for Spectrum Sensing
Abstract. This paper presents a brief tutorial and background on implementing filter banks for spectrum sensing. It discusses the advantages of this approach over standard FFT-base...
Suhaib A. Fahmy, Linda Doyle