Project details for CRFsuite

Screenshot CRFsuite 0.8

by chokkan - March 18, 2009, 15:19:02 CET [ Project Homepage BibTeX Download ]

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CRFSuite is an implementation of Conditional Random Fields (CRFs) for labeling sequential data. Among the various implementations of CRFs, this software provides following features.

  • Speed-oriented implementation written in pure C.
  • Very fast parameter estimation using Stochastic Gradient Descent (SGD).
  • Fast parameter estimation using Limited-memory BFGS (L-BFGS).
  • L1 regularization (Laplacian prior) using Orthant-Wise Limited-memory Quasi-Newton (OWL-QN) method.
  • L2 regularization (Gaussian prior).
  • Performance evaluation on training.
  • Simple data I/O format.
  • An efficient file format for storing/accessing CRF models.
Changes to previous version:

Initial Announcement on

BibTeX Entry: Download
Supported Operating Systems: Linux, Windows, Macos, Unix, Solaris
Data Formats: Plain Ascii
Tags: Structure Learning, Crf, Stochastic Gradient Descent, Conditional Random Fields, Sequential Labeling, Sgd
Archive: download here


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