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The DELPH-IN Consortium is a collaboration among computational linguists from research sites world-wide working on ‘deep’ linguistic processing of human language. The goal is the combination of linguistic and statistical processing methods for getting at the meaning of texts and utterances. The partners have adopted Head-Driven Phrase Structure Grammar (HPSG) and Minimal Recursion Semantics (MRS), two advanced models of formal linguistic analysis. They have also committed themselves to a shared format for grammatical representation and to a rigid scheme of evaluation, as well as to the general use of open-source licensing and transparency.
DELPH-IN is a long-standing collaboration over many years involving researchers from the following institutions, among others:
The DELPH-IN collaboration is open to additional partners who share our ambitious goals and commitments and who can dedicate the necessary resources to the common task.
Components and Resources
- Tools and Architectures
LKB: Lexical Knowledge Builder --- Grammar Engineering Environment
[incr tsdb()]: Competence and Performance Profiler
ACE: Answer Constraint Engine, parsing and generation with DELPH-IN grammars
PyDelphin: Python library for working with DELPH-IN representations
LOGON: Information about the LOGON machine translation infrastructure.
Pet: Platform for Experimentation with efficient HPSG processing Techniques
Other tools: Supporting software, addons, peripheral contributions
- Grammars, Frameworks and Treebanks
English Resource Grammar: DELPH-IN's most comprehensive grammar.
Catalogue of Grammars, including broad-coverage grammars for German, Japanese, Norwegian, and Spanish, along with significant grammars for several other languages.
Matrix: Starter-Kit for rapid prototyping of LKB-compatible precision grammars
CLIMB: Tools to support grammar development of LKB-compatible precision grammars
Redwoods: HPSG Treebank Comprised of Analyses from the ERG
MRS: Minimal Recursion Semantics --- Theory and Implementation (including extensions and variants such Robust MRS (RMS), Elementary Dependency Structures (EDS) and Dependency MRS (DMRS))
Shared Corpora, Treebanks
Grammar discussions: Discussions for grammar developers (analyses, terminology, harmonization, …)
DELPH-IN RFCs (Requests For Comments; formal specifications)
About this Site
This is the on-line wiki forum for DELPH-IN software and resources. It serves to enable both developers and users to incrementally create further documentation and up-to-date information on aspects of installation or usage of DELPH-IN technology. Mostly to enforce some discipline among ourselves, these pages require that users are registered to the wiki server in order to obtain write access. Please create a WikiName for yourself, which may require obtaining a ‘textcha’ to protect against wiki spam; once registered at the wiki, to request write access please contact info at delph-in.net. The developers do hope that active DELPH-IN users will contribute to these pages over time.
Some information from the earlier years of DELPH-IN collaborations is preserved on the following pages, for historical interest:
There is a collection of DELPH-IN mailings lists to which users can subscribe on-line and browse archives of previous postings through the DELPH-IN mailing list manager. If you click on a list, there is a link to the archive near the top of the page.
There is also an active stack-exchange style forum, using the Discourse platform.