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Section: Software
Syntax
Participants : Pierre Boullier [correspondant] , Benoît Sagot.
See also the web page http://syntax.gforge.inria.fr/ .
The (currently beta) version 6.0 of the Syntax system (freely available on
Inria GForge) includes various deterministic and non-deterministic CFG parser
generators. It includes in particular an efficient implementation of the
Earley algorithm, with many original optimizations, that is used in several of
Alpage's NLP tools, including the pre-processing chain Sx Pipe and the LFG
deep parser SxLfg . This implementation of the Earley algorithm has been
recently extended to handle probabilistic CFG (PCFG), by taking into account
probabilities both during parsing (beam) and after parsing (
Direct NLP users of Syntax for NLP, outside Alpage, include Alexis Nasr (Marseilles) and other members of the (now closed) Sequoia ANR project, Owen Rambow and co-workers at Columbia University (New York), as well as (indirectly) all Sx Pipe and/or SxLfg users. The project-team VASY (Inria Rhône-Alpes) is one of Syntax ' user for non-NLP applications.