906 search results - page 89 / 182 » Matching Subsequences in Trees |
IJCNLP
2005
Springer
14 years 2 months ago
2005
Springer
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...
AAAI
2007
13 years 11 months ago
2007
We present a CNF to Tree-of-BDDs (ToB) compiler with complexity at most exponential in the tree width. We then present algorithms for interesting queries on ToB. Although some of ...
ICCV
1998
IEEE
14 years 11 months ago
1998
IEEE
Representing shapes is a signi cant problem for vision systems that must recognize or classify objects. We derive a representation for a given shape by investigating its self-simi...
ICPR
2002
IEEE
14 years 10 months ago
2002
IEEE
In this paper, a new graph data structure for 2-D shape representation is proposed. The new structure is called a concavity graph, and is an evolution from the already known "...
IPCV
2008
13 years 10 months ago
2008
Most of the existing image retrieval systems take the textual query from the user and utilize the metadata associated with the database images to retrieve the result. However, the...