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» Constrained pattern matching
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IJCNLP
2005
Springer
15 years 6 months ago
Exploring Syntactic Relation Patterns for Question Answering
Abstract. In this paper, we explore the syntactic relation patterns for opendomain factoid question answering. We propose a pattern extraction method to extract the various relatio...
Dan Shen, Geert-Jan M. Kruijff, Dietrich Klakow
121
Voted
SIGMOD
2005
ACM
144views Database» more  SIGMOD 2005»
16 years 29 days ago
Mining Periodic Patterns with Gap Requirement from Sequences
We study a problem of mining frequently occurring periodic patterns with a gap requirement from sequences. Given a character sequence S of length L and a pattern P of length l, we...
Minghua Zhang, Ben Kao, David Wai-Lok Cheung, Kevi...
118
Voted
ICDE
2011
IEEE
263views Database» more  ICDE 2011»
14 years 4 months ago
Adding regular expressions to graph reachability and pattern queries
—It is increasingly common to find graphs in which edges bear different types, indicating a variety of relationships. For such graphs we propose a class of reachability queries ...
Wenfei Fan, Jianzhong Li, Shuai Ma, Nan Tang, Ying...
105
Voted
COCOON
2006
Springer
15 years 4 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, ...
106
Voted
TASLP
2008
141views more  TASLP 2008»
15 years 22 days ago
Unsupervised Pattern Discovery in Speech
We present a novel approach to speech processing based on the principle of pattern discovery. Our work represents a departure from traditional models of speech recognition, where t...
A. S. Park, J. R. Glass