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SDM
2008
SIAM
140views Data Mining» more  SDM 2008»
15 years 8 months ago
Large-Scale Many-Class Learning
In many multiclass learning scenarios, the number of classes is relatively large (thousands,...), or the space and time efficiency of the learning system can be crucial. We invest...
Omid Madani, Michael Connor
SODA
2007
ACM
106views Algorithms» more  SODA 2007»
15 years 8 months ago
Embedding metrics into ultrametrics and graphs into spanning trees with constant average distortion
This paper addresses the basic question of how well can a tree approximate distances of a metric space or a graph. Given a graph, the problem of constructing a spanning tree in a ...
Ittai Abraham, Yair Bartal, Ofer Neiman
APCCM
2004
15 years 8 months ago
An Adaptive Information Retrieval System Based on Associative Networks
In this paper we present a multilingual information retrieval system that provides access to Tourism information by exploiting the intuitiveness of natural language. In particular...
Helmut Berger, Michael Dittenbach, Dieter Merkl
SIROCCO
2001
15 years 8 months ago
Competitive Online Routing in Geometric Graphs
We consider online routing algorithms for finding paths between the vertices of plane graphs. Although it has been shown in Bose et al. [4] that there exists no competitive routin...
Prosenjit Bose, Pat Morin
TREC
2004
15 years 8 months ago
York University at TREC 2004: HARD and Genomics Tracks
York University participated in HARD and Genomics tracks this year. For both tracks, we used Okapi BSS (basic search system) as the basis. Our experiments mainly focused on exploi...
Xiangji Huang, Yan Rui Huang, Ming Zhong, Miao Wen