is a probabilistic model used in labeling or parsing sequential data. It has been proved to be effective in fulfilling such tasks as Named Entity Recognition, Information Extraction and Text Chunking.
CRF++(CrfPP) is a well-versed C++ implementation of CRF by Taku Kudo. It provides a simple, yet powerful and portable tool for researchers and developers who wish to try and test their research scheme based on CRF.
There are other open-source CRF implementations in C++ available (eg. hCRF, CRFsuite etc.), but most of them are provided as standalone tools and are not intended to be readily used as a component for GUI applications.
CrfCom is a COM library based on CrfPP. It is a not only a wrapper of CrfPP, but also provides a number of extra funtional features that CrfPP and other similar tools have not been equipped with.
CrfCom is a very easy-to-use component for clients implemented in different languages like C#,VB,C++ and other script languages.
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