科学软件资源导航

The Natural Language Toolkit (NLTK) is a Python package for natural language processing. NLTK requires Python 3.5, 3.6, 3.7, or 3.8.

CRF++?is a simple, customizable, and open source implementation of?Conditional Random Fields (CRFs)?for segmenting/labeling sequential data. CRF++ is designed for generic purpose and will be applied t