• Lexical Tools
  • Java 7.0, UTF-8
  • , 2014 Release:


Lexical Tools is a set of fundamental core NLP tools for retrieving lexical variants. Functions (flow components) include retrieving inflectional variants, uninflectional forms, spelling variants, derivational variants, synonyms, fruitful variants, normalization, UTF-8 to ASCII conversion, lowercase, etc.. There are over 62 flow components and 39 options offered in this tools set.

This release includes the latest data integration from The SPECIALIST LEXICON along with completion of software change requests (SCRs). They are briefly described as follows. Please refer to release notes and what is new page for details.

Feature Enhancements & Bugs Fixes

  • Distributed both Full version and Lite version of lvg.2014
  • Distributed with JRE, 1.7.0_40
  • Distributed with HSqlDb 2.3.0 (HyperSonic SQL DB)
  • Distributed with ICU4J 51.2 (International Components for Unicode)

  • Integrated with data from The SPECIALIST LEXICON, 2014

  • Enhanced derivations related flow components:
    • Add 63 new prefixes to generate more comprehensive prefixD pairs
    • Add dPairs from verified original Facts in previous Lexical Tools derivational table
    • Use optimized set of SD-Rules as default SD-Rules in Trie to reach above 95% of precision and recall rate
    • Bugs fixes of categories (part of speech) in derivations DB

  • New Tests
    • Java Heap size test
    • lvg${Year}Lite.jar test

  • Documents
    • Update documents of zeroD
    • Update documents of -f:a (acronym expansion - include all base forms)
    • Update documents of -f:A (acronym - include all base forms)
    • Update documents of -f:Bn (normalized uninflect words in a term - new sorting order)
    • Update documents of -f:Ct (citation form - new sorting order)
    • Update documents of -f:d (derivations - new prefixes, orgD, and SD-Rules)
    • Update documents of -f:g (remove genitive - algorithm description)
    • Update documents of -f:nom (nominalization - include all base forms)
    • Update documents for installing unsupported OS (Mac.)