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| author | aarne <aarne@cs.chalmers.se> | 2008-06-27 11:59:03 +0000 |
|---|---|---|
| committer | aarne <aarne@cs.chalmers.se> | 2008-06-27 11:59:03 +0000 |
| commit | 73e401cee21fa61dcf9900d8d2b40ddd39f4e612 (patch) | |
| tree | c5569db477fd0281162fd7ba29cf8e60d24b364e /index.html | |
| parent | 64d2a981a99c8f48f85c4efd0cecd1db1e5ce93a (diff) | |
updated synopsis, removed GF/devel/
Diffstat (limited to 'index.html')
| -rw-r--r-- | index.html | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/index.html b/index.html new file mode 100644 index 000000000..6146230c0 --- /dev/null +++ b/index.html @@ -0,0 +1,201 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<HTML> +<HEAD> +<META NAME="generator" CONTENT="http://txt2tags.sf.net"> +</HEAD><BODY BGCOLOR="white" TEXT="black"> +<FONT SIZE="4"> +</FONT></CENTER> + +<P> +<center> +</P> +<P> +<IMG ALIGN="middle" SRC="doc/gf-logo.png" BORDER="0" ALT=""> +</P> +<H1>Grammatical Framework</H1> +<P> +Version 3.0 +</P> +<P> +June 2008 +</P> +<P> +<font size=+2> +</P> +<P> +<CODE>[</CODE> <A HREF="demos/">Demos</A> +<CODE>|</CODE> <A HREF="download">Download</A> +<CODE>|</CODE> <A HREF="lib/resource/doc/synopsis.html">Libraries</A> +<CODE>|</CODE> <A HREF="doc/gf-refman.html">Reference</A> +<CODE>|</CODE> <A HREF="doc/gf-tutorial.html">Tutorial</A> +<CODE>]</CODE> +</P> +<P> +</font> +</P> +<P> +<CODE>[</CODE> <A HREF="demos/">Demos</A> +<CODE>|</CODE> <A HREF="download">Download</A> +<CODE>|</CODE> <A HREF="doc/darcs.html">Developers</A> +<CODE>|</CODE> <A HREF="doc/events.html">Events</A> +<CODE>|</CODE> <A HREF="lib/">Libraries</A> +<CODE>|</CODE> <A HREF="doc/gf-people.html">People</A> +<CODE>|</CODE> <A HREF="doc/projects.html">Projects</A> +<CODE>|</CODE> <A HREF="doc/gf-tutorial.html">Publications</A> +<CODE>|</CODE> <A HREF="doc/gf-refman.html">Reference</A> +<CODE>|</CODE> <A HREF="doc/gf-tutorial.html">Tutorial</A> +<CODE>]</CODE> +</P> +<P> +</center> +</P> +<P> +<font size=-1> +</P> +<H2>News</H2> +<P> +27 June 2008: release of GF 3.0 and a new web page; the old web page is +<A HREF="index-2.html">here</A>. +</P> +<P> +</font> +</P> +<H2>What is GF</H2> +<P> +GF, Grammatical Framework, is a programming language for +<B>multilingual grammar applications</B>. It is +</P> +<UL> +<LI>a <B>special-purpose language for grammars</B>, like YACC, Bison, Happy, BNFC, + but not restricted to programming languages +<LI>a <B>functional language</B>, like Haskell, Lisp, OCaml, Scheme, SML, + but specialized to grammar writing +<LI>a <B>natural language processing framework</B>, like LKB, XLE, Regulus, + but based on functional programming and type theory +<LI>a <B>categorial grammar formalism</B>, like ACG, CCG, + but different and equipped with different tools +<LI>a <B>logical framework</B>, like Agda, Coq, Isabelle, + but equipped with concrete syntax in addition to logic +</UL> + +<P> +Don't worry if you don't know most of the references above - but if you do know at +least one, it may help you to get a first idea of what GF is. +</P> +<H2>Applications</H2> +<P> +GF can be used for building +</P> +<UL> +<LI>[text translators ] +<LI>[speech translators ] +<LI>[natural-language interfaces ] +<LI>[multilingual web pages ] +<LI>[multilingual authoring systems ] +<LI>[dialogue systems ] +<LI>[language training systems ] +<LI>[natural language resources ] +</UL> + +<H2>Availability</H2> +<P> +GF is <B>open-source</B>, licensed under [GPL ] (the program) and [LGPL ] (the libraries). It +is available for +</P> +<UL> +<LI>[Linux ] +<LI>[Mac OS X ] +<LI>[Windows ] +<LI>via compilation to [JavaScript ], almost any platform that has a web browser +</UL> + +<H2>Projects</H2> +<P> +GF was born in 1998 at Xerox Research Centre Europe, Grenoble in the project +Multilingual Document Authoring. At Xerox, it was used for prototypes including +a restaurant phrase book in 6 languages, +a database query system in 7 languages, +a formalization of an alarm system instructions with translations to 5 languages, and +an authoring system for medical drug descriptions in 2 languages. +</P> +<P> +Later projects using GF and involving third parties include, in chronological order, +</P> +<UL> +<LI>GF-Alfa: natural language interface to formal proofs +<LI>GF-KeY: authoring and translation of software specifications +<LI>TALK: multilingual and multimodal spoken dialogue systems +<LI>WebALT: multilingual generation of mathematical exercises (commercial project) +<LI>MultiWiki: multilingual Wiki for restaurant reviews +<LI>SALDO: Swedish morphological dictionary based on tools developed for GF +</UL> + +<P> +Academically, GF has been used in four [PhD theses ], and resulted in around +fifty [scientific publications ]. +</P> +<H2>Programming in GF</H2> +<P> +GF is easy to learn by following the <A HREF="doc/gf-tutorial.html">tutorial</A>. You can write your +first translator in 15 minutes. +</P> +<P> +GF has an interactive command interpreter, as well as a batch compiler. Grammars can be +compiled to parser and translator code in many different formats. These components can +then be embedded in applications written in other programming languages. The formats +currently supported are: +</P> +<UL> +<LI>Haskell +<LI>Java +<LI>JavaScript +<LI>Prolog +<LI>Speech recognition: HTK/ATK, Nuance, JSGF +</UL> + +<P> +The GF programming language is high-level and advanced, featuring +</P> +<UL> +<LI>static type checking +<LI>higher-order functions +<LI>dependent types +<LI>pattern matching with data constructors and regular expressions +<LI>module system with multiple inheritance and parametrized modules +</UL> + +<H2>Libraries</H2> +<P> +Libraries are at the heart of modern software engineering. In natural language +applications, libraries are a way to cope with thousands of details involved in +syntax, lexicon, and inflection. The <A HREF="lib/">GF resource grammar library</A> has +support for an increasing number of languages, currently including +</P> +<OL> +<LI>Arabic (partial) +<LI>Bulgarian +<LI>Catalan (partial) +<LI>Danish +<LI>English +<LI>Finnish +<LI>French +<LI>German +<LI>Hindi/Urdu (fragments) +<LI><A HREF="http://www.interlingua.com/">Interlingua</A> +<LI>Italian +<LI>Norwegian bokmål +<LI>Russian +<LI>Spanish +<LI>Swedish +<LI>Thai (fragments) +</OL> + +<P> +Adding a language to the resource library takes 3 to 9 +months - <A HREF="doc/projects.html">contributions</A> +are welcome! +</P> + +<!-- html code generated by txt2tags 2.4 (http://txt2tags.sf.net) --> +<!-- cmdline: txt2tags -thtml index.txt --> +</BODY></HTML> |
