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https://github.com/delph-in/pydelphin

Python libraries for DELPH-IN
https://github.com/delph-in/pydelphin

delph-in hpsg mrs nlp profile python semantics

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Python libraries for DELPH-IN

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# PyDelphin — Python libraries for DELPH-IN data



[![PyPI Version](https://img.shields.io/pypi/v/pydelphin.svg)](https://pypi.org/project/PyDelphin/)

![Python Support](https://img.shields.io/pypi/pyversions/pydelphin.svg)

[![Test Status](https://github.com/delph-in/pydelphin/actions/workflows/checks.yml/badge.svg)](https://github.com/delph-in/pydelphin/actions/workflows/checks.yml)

[![Documentation Status](https://readthedocs.org/projects/pydelphin/badge/?version=latest)](https://pydelphin.readthedocs.io/en/latest/?badge=latest)

[![Discourse](https://img.shields.io/badge/discourse-purple?logo=discourse)](https://delphinqa.ling.washington.edu/)



[DELPH-IN][] is an international consortium of researchers committed

to producing precise, high-quality language processing tools and

resources, primarily in the [HPSG][] syntactic and [MRS][] semantic

frameworks, and PyDelphin is a suite of Python libraries for

processing data and interacting with tools in the DELPH-IN

ecosystem. PyDelphin's goal is to lower the barriers to making use of

DELPH-IN resources to help users quickly build applications or perform

experiments, and it has been successfully used for research into

machine translation (e.g., [Goodman, 2018]), sentence chunking

([Muszyńska, 2016]), neural semantic parsing ([Buys & Blunsom, 2017]),

natural language generation ([Hajdik et al., 2019]), and more.



[DELPH-IN]: https://delph-in.github.io/docs/home/Home/

[HPSG]: https://en.wikipedia.org/wiki/Head-driven_phrase_structure_grammar

[MRS]: https://github.com/delph-in/docs/wiki/RmrsTop

[Goodman, 2018]: https://goodmami.org/static/goodman-dissertation.pdf

[Muszyńska, 2016]: https://www.aclweb.org/anthology/P16-3014

[Buys & Blunsom,  2017]: https://www.aclweb.org/anthology/P17-1112

[Hajdik et al., 2019]: https://www.aclweb.org/anthology/N19-1235



Documentation, including guides and an API reference, is available here:

http://pydelphin.readthedocs.io/



New to PyDelphin? Want to see examples? Try the

[walkthrough](https://pydelphin.readthedocs.io/en/latest/guides/walkthrough.html).



## Installation and Upgrading



Get the latest release of PyDelphin from [PyPI]:



```bash

$ pip install pydelphin

```



[PyPI]: https://pypi.python.org/pypi/PyDelphin



For more information about requirements, installing from source, and

running unit tests, please see the

[documentation](https://pydelphin.readthedocs.io/en/latest/guides/setup.html).



API changes in new versions are documented in the

[CHANGELOG](CHANGELOG.md), but for any unexpected changes please [file

an issue][issues].



[issues]: https://github.com/delph-in/pydelphin/issues/



## Features



PyDelphin contains the following modules:



Semantic Representations:

- [`delphin.mrs`]:  [Minimal Recursion Semantics](https://github.com/delph-in/docs/wiki/MrsRfc)

- [`delphin.eds`]:  [Elementary Dependency Structures](https://github.com/delph-in/docs/wiki/EdsTop)

- [`delphin.dmrs`]: [Dependency Minimal Recursion Semantics](https://github.com/delph-in/docs/wiki/RmrsDmrs)



Semantic Components, Interfaces, and Metrics:

- [`delphin.semi`]:      [Semantic Interface](https://github.com/delph-in/docs/wiki/SemiRfc)

- [`delphin.vpm`]:       [Variable Property Mapping](https://github.com/delph-in/docs/wiki/RmrsVpm)

- [`delphin.variable`]:  MRS variables

- [`delphin.predicate`]: [Semantic Predicates](https://github.com/delph-in/docs/wiki/PredicateRfc)

- [`delphin.scope`]:     Underspecified scope

- [`delphin.sembase`]:   Basic semantic structures

- [`delphin.codecs`]:    A wide variety of serialization codecs for MRS, EDS, and DMRS

- [`delphin.edm`]:       [Elementary Dependency Match](https://github.com/delph-in/docs/wiki/ElementaryDependencyMatch)



Grammar and Parse Inspection:

- [`delphin.derivation`]: [Derivation trees](https://github.com/delph-in/docs/wiki/ItsdbDerivations)

- [`delphin.tdl`]:        [Type-Description Language](https://github.com/delph-in/docs/wiki/TdlRfc)

- [`delphin.tfs`]:        Feature structures and type hierarchies



Tokenization:

- [`delphin.repp`]:   [Regular-Expression PreProcessor](https://github.com/delph-in/docs/wiki/ReppTop)

- [`delphin.tokens`]: [YY Token lattices](https://github.com/delph-in/docs/wiki/PetInput#yy-input-mode)

- [`delphin.lnk`]:    Lnk surface alignments



Corpus Management and Processing:

- [`delphin.itsdb`]: [\[incr tsdb()\]](https://github.com/delph-in/docs/wiki/ItsdbTop) profiles

- [`delphin.tsdb`]: Low-level interface to test suite databases

- [`delphin.tsql`]:  [TSQL](https://github.com/delph-in/docs/wiki/TsqlRfc) test suite queries



Interfaces with External Processors:

- [`delphin.interface`]: Structures for interacting with external processors

- [`delphin.ace`]:       Python wrapper for common tasks using [ACE](http://sweaglesw.org/linguistics/ace/)

- [`delphin.web`]:       Client for the [web API](https://github.com/delph-in/docs/wiki/ErgApi)



Core Components and Command Line Interface:

- [`delphin.commands`]:   Functional interface to common tasks

- [`delphin.cli`]:        Command-line interface to functional commands

- [`delphin.hierarchy`]:  Multiple-inheritance hierarchies

- [`delphin.exceptions`]: PyDelphin's basic exception classes



Miscellaneous:

- [`delphin.highlight`]: [Pygments](https://pygments.org/) lexers and styles for highlighting MRS and TDL



[`delphin.cli`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.cli.html

[`delphin.codecs`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.codecs.html

[`delphin.commands`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.commands.html

[`delphin.derivation`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.derivation.html

[`delphin.dmrs`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.dmrs.html

[`delphin.edm`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.edm.html

[`delphin.eds`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.eds.html

[`delphin.exceptions`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.exceptions.html

[`delphin.hierarchy`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.hierarchy.html

[`delphin.highlight`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.highlight.html

[`delphin.interface`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.interface.html

[`delphin.ace`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.ace.html

[`delphin.web`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.web.html

[`delphin.tsdb`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.tsdb.html

[`delphin.itsdb`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.itsdb.html

[`delphin.lnk`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.lnk.html

[`delphin.mrs`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.mrs.html

[`delphin.predicate`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.predicate.html

[`delphin.repp`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.repp.html

[`delphin.scope`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.scope.html

[`delphin.sembase`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.sembase.html

[`delphin.semi`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.semi.html

[`delphin.tdl`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.tdl.html

[`delphin.tfs`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.tfs.html

[`delphin.tokens`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.tokens.html

[`delphin.tsql`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.tsql.html

[`delphin.variable`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.variable.html

[`delphin.vpm`]: https://pydelphin.readthedocs.io/en/latest/api/delphin.vpm.html



## Other Information



### Getting Help



Please use the [issue tracker][issues] for bug reports, feature

requests, and documentation requests. For more general questions

and support, try one of the following channels maintained by the

DELPH-IN community:



- [DELPH-IN Discourse](https://delphinqa.ling.washington.edu/) forums

- [developers](http://lists.delph-in.net/mailman/listinfo/developers)

  mailing list



### Citation



Please use the following for academic citations (and see: https://ieeexplore.ieee.org/abstract/document/8939628):



```bibtex

@INPROCEEDINGS{Goodman:2019,

  author={Goodman, Michael Wayne},

  title={A Python Library for Deep Linguistic Resources},

  booktitle={2019 Pacific Neighborhood Consortium Annual Conference and Joint Meetings (PNC)},

  year={2019},

  month=oct,

  address={Singapore},

  keywords={research software;linguistics;semantics;HPSG;computational linguistics;natural language processing;open source software}

}

```



### Acknowledgments



Thanks to PyDelphin's

[contributors](https://github.com/delph-in/pydelphin/graphs/contributors)

and all who've participated by filing issues and feature

requests. Also thanks to the users of PyDelphin!



### Related Software



* Parser/Generators (chronological order)

  - LKB: https://github.com/delph-in/docs/wiki/LkbTop (also: https://github.com/delph-in/docs/wiki/LkbFos)

  - PET: https://github.com/delph-in/docs/wiki/PetTop

  - ACE: http://sweaglesw.org/linguistics/ace/

  - agree: https://github.com/delph-in/docs/wiki/AgreeTop

* Grammar profiling, testing, and analysis

  - \[incr tsdb()\]: http://www.delph-in.net/itsdb/

  - gDelta: https://github.com/ned2/gdelta

  - Typediff: https://github.com/ned2/typediff

* Software libraries and repositories

  - LOGON: https://github.com/delph-in/docs/wiki/LogonTop

  - pydmrs: https://github.com/delph-in/pydmrs

* Also see (may have overlap with the above):

  - https://github.com/delph-in/docs/wiki/ToolsTop

  - https://github.com/delph-in/docs/wiki/DelphinApplications



### Spelling



Earlier versions of PyDelphin were spelled "pyDelphin" with a

lower-case "p" and this form is used in several publications. The

current recommended spelling has an upper-case "P".