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NIPS
2008
15 years 5 months ago
Diffeomorphic Dimensionality Reduction
This paper introduces a new approach to constructing meaningful lower dimensional representations of sets of data points. We argue that constraining the mapping between the high a...
Christian Walder, Bernhard Schölkopf
SDM
2008
SIAM
158views Data Mining» more  SDM 2008»
15 years 5 months ago
Similarity Measures for Categorical Data: A Comparative Evaluation
Measuring similarity or distance between two entities is a key step for several data mining and knowledge discovery tasks. The notion of similarity for continuous data is relative...
Shyam Boriah, Varun Chandola, Vipin Kumar
RSS
2007
134views Robotics» more  RSS 2007»
15 years 5 months ago
A Fast and Practical Algorithm for Generalized Penetration Depth Computation
— We present an efficient algorithm to compute the generalized penetration depth (PDg) between rigid models. Given two overlapping objects, our algorithm attempts to compute the...
Liangjun Zhang, Young J. Kim, Dinesh Manocha
AVI
2006
15 years 5 months ago
Evaluating information visualization applications with focus groups: the CourseVis experience
This paper reports our experience of evaluating an application that uses visualization approaches to support instructors in Web based distance education. The evaluation took place...
Riccardo Mazza
CCCG
2006
15 years 5 months ago
On the Maximum Span of Fixed-Angle Chains
Soss proved that it is NP-hard to find the maximum flat span of a fixed-angle polygonal chain: the largest distance achievable between the endpoints in a planar embedding. These f...
Nadia Benbernou, Joseph O'Rourke