524 search results - page 1 / 105 » Context Trees |
DLT
2006
13 years 5 months ago
2006
Bag context is a device for regulated rewriting in tree and string grammars. It represents context that is not part of the developing tree or string, but evolves on its own during ...
ICIP
1999
IEEE
13 years 8 months ago
1999
IEEE
We consider the use of a static context tree for binary image compression. The contexts are stored in the leaves of a variable-depth binary tree. The tree structure itself is full...
DCC
1998
IEEE
13 years 8 months ago
1998
IEEE
Abstract. The Burrows-Wheeler transform (BWT) and block sorting compression are closely related to the context trees of PPM. The usual approach of treating BWT as merely a permutat...
EMNLP
2007
13 years 5 months ago
2007
This paper proposes a tree kernel with contextsensitive structured parse tree information for relation extraction. It resolves two critical problems in previous tree kernels for r...
ICGI
2000
Springer
13 years 8 months ago
2000
Springer
A subpansive tree is a rooted tree that gives a partial order of nonterminal symbols of a context-free grammar. We formalize subpansive trees as background knowledge of CFGs, and i...