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Changelog

##v2.1.0

Implemented Enhancements:

  • An improved NER system that allows for much better performance on inorganic materials.
  • New tokenization to go with the new NER system.
  • The addition of InferredProperty allows for users to define explicit links between different properties included in their data models, reducing a large amount of boilerplate parser code.
  • The Every parse element means that users can specify that a certain token satisfy multiple condition.
  • A more flexible tagging system that allows for the creation of taggers beyond just part of speech and NER taggers.
  • Batch tagging.
  • A new, modern theme for the documentation, along with much more detail in the documentation on certain parts of ChemDataExtractor, such as tagging and tokenization.

Breaking Changes:

  • Any taggers previously written by the user will be broken. Please refer to the migration guide for version 2.1.
  • The new tokenization can break some parse rules written by the user. This can either be fixed by adopting a few changes to the parse rules, or by reverting to the previous NER system and tokenizer. Please refer to the migration guide for more details.

v2.0 (2019-09-xx)

Full Changelog

Implemented enhancements:

  • New model structure changed so that the Compound class is no longer at the root of all properties
  • Hierarchy changed so that documents own models, not parsers, so that the user doesn’t need to remember to pass in all the correct parsers.
  • Quantity based models, allowing for easy detection of units and values. Also allows for better comparisons of models.
  • Completely new table parsing routine with the incorporation of TableDataExtractor. This returns a more structured form for tables without any user input.
  • Automatically generated parsers based on the dimensional information of properties.
  • Forward looking Interdependency Resolution for detecting definitions of specifier terms and chemical names.
  • Improved Interdependency Resolution to account for more complex models.
  • Snowball integration where Snowball parsers can be used seamlessly alongside rule-based parsers.
  • Improved performance, with parsing up to 2x faster in real-world usage.
  • The incorporation of an evaluation package for measuring the performance of CDE.
  • Improved tokenization when using new quantity based models.
  • Improved documentation, including a migration guide for users coming from older versions.

v1.3.0 (2017-02-03)

Full Changelog

Implemented enhancements:

  • Add parser for glass transition temperature #13 (rtchoua)

v1.2.3 (2017-01-22)

Full Changelog

Fixed bugs:

  • _in_stoplist should return True for entities trimmed out of existence #12

v1.2.2 (2016-11-02)

Full Changelog

Fixed bugs:

  • Fix issues with reference link extraction using HTML/XML readers #10 (mcs07)

v1.2.1 (2016-10-24)

Full Changelog

Fixed bugs:

  • RSCHTMLReader throws bytes/string error #8
  • Fix encoding bug in RSC image character handling #9 (mcs07)

v1.2.0 (2016-10-11)

Full Changelog

Implemented enhancements:

Fixed bugs:

  • import error: HTMLParser in Python 3 #7
  • Installation on Windows 7 #3
  • HTML unescape py2/3 compat - fixes #4 #6 (mcs07)

v1.1.1 (2016-10-04)

Full Changelog

Implemented enhancements:

  • Python 3 compatibility #2 (mcs07)

Fixed bugs:

  • version of pdfminer #1

v1.1.0 (2016-10-03)

* This Change Log was automatically generated by github_changelog_generator