Fedora 18 Update: openfst-1.3.3-1.fc18
updates at fedoraproject.org
updates at fedoraproject.org
Sun Feb 17 03:31:31 UTC 2013
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Fedora Update Notification
FEDORA-2013-2129
2013-02-08 16:20:04
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Name : openfst
Product : Fedora 18
Version : 1.3.3
Release : 1.fc18
URL : http://www.openfst.org/
Summary : Weighted finite-state transducer library
Description :
OpenFst is a library for constructing, combining, optimizing, and
searching weighted finite-state transducers (FSTs). Weighted
finite-state transducers are automata where each transition has an input
label, an output label, and a weight. The more familiar finite-state
acceptor is represented as a transducer with each transition's input and
output label equal. Finite-state acceptors are used to represent sets
of strings (specifically, regular or rational sets); finite-state
transducers are used to represent binary relations between pairs of
strings (specifically, rational transductions). The weights can be used
to represent the cost of taking a particular transition.
FSTs have key applications in speech recognition and synthesis, machine
translation, optical character recognition, pattern matching, string
processing, machine learning, information extraction and retrieval among
others. Often a weighted transducer is used to represent a
probabilistic model (e.g., an n-gram model, pronunciation model). FSTs
can be optimized by determinization and minimization, models can be
applied to hypothesis sets (also represented as automata) or cascaded by
finite-state composition, and the best results can be selected by
shortest-path algorithms.
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Update Information:
The opengrm-ngram and sphinxtrain builds are just to build against the new openfst library. Upstream notes for the new version of openfst:
- Improved performance of PDT composition
- Memory-map support
- Fixed cross-FST serialization issues
- Fixed NGramFst? off-by-one issue
- farextract now allows one to specify a list of comma-separated keys, including key ranges
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ChangeLog:
* Wed Feb 6 2013 Jerry James <loganjerry at gmail.com> - 1.3.3-1
- New upstream version
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This update can be installed with the "yum" update program. Use
su -c 'yum update openfst' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.
All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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