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ACL
2006
14 years 11 months ago
Exact Decoding for Jointly Labeling and Chunking Sequences
There are two decoding algorithms essential to the area of natural language processing. One is the Viterbi algorithm for linear-chain models, such as HMMs or CRFs. The other is th...
Nobuyuki Shimizu, Andrew R. Haas
ESOP
2011
Springer
14 years 1 months ago
A New Method for Dependent Parsing
Abstract. Dependent grammars extend context-free grammars by allowing semantic values to be bound to variables and used to constrain parsing. Dependent grammars can cleanly specify...
Trevor Jim, Yitzhak Mandelbaum
PODS
2008
ACM
120views Database» more  PODS 2008»
15 years 10 months ago
Effective characterizations of tree logics
A survey of effective characterizations of tree logics. If L is a logic, then an effective characterization for L is an algorithm, which inputs a tree automaton and replies if the...
Mikolaj Bojanzyk
FCT
1991
Springer
15 years 1 months ago
The Complexity of Computing Maximal Word Functions
Maximal word functions occur in data retrieval applications and have connections with ranking problems, which in turn were rst investigated in relation to data compression 21 . By ...
Danilo Bruschi, Giovanni Pighizzini