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COCOON
2006
Springer
13 years 9 months ago
Finding Patterns with Variable Length Gaps or Don't Cares
In this paper we have presented new algorithms to handle the pattern matching problem where the pattern can contain variable length gaps. Given a pattern P with variable length gap...
M. Sohel Rahman, Costas S. Iliopoulos, Inbok Lee, ...
CCCG
2009
13 years 6 months ago
The Bichromatic Rectangle Problem in High Dimensions
Given a set of blue points and a set of red points in ddimensional space, we show how to find an axis-aligned hyperrectangle that contains no red points and as many blue points as...
Jonathan Backer, J. Mark Keil
DIS
2004
Springer
13 years 10 months ago
Finding Optimal Pairs of Cooperative and Competing Patterns with Bounded Distance
We consider the problem of discovering the optimal pair of substring patterns with bounded distance α, from a given set S of strings. We study two kinds of pattern classes, one is...
Shunsuke Inenaga, Hideo Bannai, Heikki Hyyrö,...
GIS
2008
ACM
14 years 6 months ago
Finding regional co-location patterns for sets of continuous variables in spatial datasets
This paper proposes a novel framework for mining regional colocation patterns with respect to sets of continuous variables in spatial datasets. The goal is to identify regions in ...
Christoph F. Eick, Jean-Philippe Nicot, Rachana Pa...
KDD
2009
ACM
188views Data Mining» more  KDD 2009»
14 years 5 months ago
Mining discrete patterns via binary matrix factorization
Mining discrete patterns in binary data is important for subsampling, compression, and clustering. We consider rankone binary matrix approximations that identify the dominant patt...
Bao-Hong Shen, Shuiwang Ji, Jieping Ye