Enju: English HPSG parser

Copyright (c) 2005-2010, Tsujii Laboratory, The University of Tokyo. All rights reserved.

See "COPYING" for license information. See "enju-manual/index.html" (or "lib/enju-manual/index.html" in the binary package) for the usage of Enju.

Enju is a syntactic analyzer for English. A grammar is based on Head-driven Phrase Structure Grammar (HPSG), which is a linguistic theory for syntax. Since this system computes more detailed structure of sentences than CFG parsers, you can obtain various information such as predicate-argument structures.

For example, Enju can parse the following sentence,

It's falling like a stone, said Danny Linger, a pit trader who was standing outside the London International Financial Futures Exchange.

and you will get the results that the subject of "said" is "Danny Linger" and the complement is "it's falling like a stone", and the subject of "standing outside..." is "pit trader".

See "INSTALL" or the manual (enju-manual/index.html) for the installation procedure.

How to run Enju:

1. Run "enju".
2. Input a sentence in a line. Each line will be parsed and all predicate-argument relations in the sentence will be output.

For other formats for more detailed output (the XML and stand-off formats), see the manual (enju-manual/index.html).