This appendix was compiled primarily from the LRE Resource Map. Many thanks to Nicoletta Calzolari and Riccardo del Gratta for their help in creating this appendix, and for allowing us to reprint this information here.
Please note that this appendix does not represent a complete list of all the existing software for the various tasks listed here. It is intended to provide a general overview of the different tools available, to give you an idea of what resources you can use in your own annotation and machine learning (ML) tasks. For the most up-to-date list of resources, check the LRE Resource Map, or just do a web search to see what else is available.
Use: Corpus creation and management, automatic annotation, manual correction of annotation, part-of-speech tagging, Named Entity recognition, word sense disambiguation, etc.
Use: Classification, tokenization, stemming, tagging, parsing, semantic reasoning, machine learning
Languages: Various, language-independent
Use: Tokenization, sentence segmentation, part-of-speech tagging, Named Entity extraction, chunking, parsing, coreference resolution
Use: Hand annotation, automated annotation