- OpenFst Forum 2015 Archive
- converting standard lattice format into and FST file
- Minimization for fsts with negative weights
- Gentle Intro to Lazy FST Operations
- Wildcard arcs
- TopSort not working on FST
- Generation of words accepted by a Finite-State Machine
- Arcs labeled with strings
- Putting only one expression on arcs
- Expected edit distance
- Assigning the symbol table to FSTs in C++
- From weighted words to weighted phrase: how to isolate word scores at phrase level?
- Compiling with mingw32
- Is there an existing implementation to check if one node is reachable from another in an fst ?
- Lookahead composition without PushWeightsComposeFilter
- fstshortestpath --unique?
- farcreate bug

- OpenFst Forum 2014 Archive
- Special arcs from the command line?
- Error when compile openfst 1.4.1
- Minimizing Transducers
- Determinize. Is this a bug ?
- FST Permute ?
- Problems using farcompilestrings and far_reader?
- fstcompile to fstdraw
- Double Weighted arcs with composition lookahead filter
- Determinize, multithreading
- Deleting a specific arc in an FST
- Using fstreplace after fst composition
- Phi-matcher in PDT
- Encoding and composing a character-to-token lexicon transducer with UNKs
- Compile openfst 1.4.1 on 64-bit Ubuntu VM?
- Is there a simple way to add weighted arcs from final nodes to initial node?
- Compile error OpenFST 1.4.1
- Multiple score on the arc...?
- Error installing openGRM on Mac 10.9.2
- Intersection gives a FATAL error
- OpenFst website back up
- Linking OpenFst
- Bug in weight-class.h: ConvertKeyToSoFilename() ?
- Is there a general approach to eliminating redundant (higher-weighted) paths in cyclic WFSAs?

- OpenFst Forum 2013 Archive
- Infinity weight in compiled fst
- Why do I get Infinity weight in final state?
- error in ubuntu 13.10
- fstequal command
- Visual Studio OpenFST 1.3.4
- Compiling errors on Mac Mavericks 10.9
- Availability of linear classifier/tagger FST extension
- How to compile on 64 bit machine
- kPosInfinity in old version of fst
- Probably, bug: arc-map.h, ArcMap(), case MAP_REQUIRE_SUPERFINAL
- Optimization issue: functions Times and Divide on logartithmic and tropical weights
- Which optimization is applied to OpenFst 1.3.3 ?
- Can I get OpenFst 1.3.3 Visual Studio Project
- Merging symbol tables
- I/O error for large FSTs
- Making an FST with C++: How to define strings as labels?
- GenericRegister::GetEntry : lookup failed in shared object
- how to use fstreplace tool
- Regex to FST
- Coordinate Descent Solution for Rational Kernels
- “FATAL: StringWeight::Plus: unequal arguments” when running fstdeterminize.
- Composition result too large: how to make smaller?
- Double delete bug in fst far reader
- Get the Arcs whose nextstate is equal to a given q
- Testing an FST for epsilon cycles
- Example of k-closed semiring that is non-idempotent
- Comments

- OpenFst Forum 2012 Archive
- Use .fst Files
- FST and Rational Kernels - Computational Biology
- openfst version with glog and gflags
- Conflicting #define in <fst/string.h>
- 3-way composition
- composition yields empty file
- How to get possible paths of a word from the pre-built fst
- Extract all possible outputs
- ArcSort, Compose and transducers without start states
- Version 1.3.1 not available
- Newbie question about determinization in the log semiring
- PDT intersection
- C++11 compatibility
- dynamic PowerArc
- "Wildcard" (?, @) arcs?
- Change version numbering when updating downloads
- composition in sparse semiring time and memory issues
- Determinization on functional FSTs
- Issues with using fstdraw on sample FST
- how to extract input and output symbols from fst file?
- how to extract input and output symbols from fst file?
- fstinfo on models created with opengrm
- k-shortest path on PDT?
- Cannot link openfst in Ubuntu (3.0.0-19-server #33-Ubuntu, x86_64) with gcc 4.6.1
- OpenFST 1.3 and Unicode
- Adding arcs to a sorted fst
- fstencode problem
- Problem in shared JNI library. Symbol not found: _FLAGS_fst_align
- Current usage of .FstType() and .ArcType()
- "State structure" of FST after look-ahead composition
- FATAL: FastLogAcumulator::LogMinus: f1 >= f2 with f1 = 0 and f2 = 0
- Compatibility issues with new C++0x (C++11) and gcc 4.6
- Cannot figure how to get reference to pass to SingleShortestPath
- Converting from Tropical Weight to Log Weight
- Thrax newbie question
- far weirdness strikes again
- Minimizing an unweighted transducer is slow
- Using feature vector as input
- Segmentation Fault at initialization (Static Order Initialization Fiasco instance?)
- Problem with PhiMatcher: "ComposeFst: 1st argument cannot match on output labels and 2nd argument cannot match on input labels (sort?)."
- NumArcs(stateId) in a delayed FST without expanding
- Can I use Rho/Phi matchers together with LookAheadMatcher?
- Update on composition with failure transitions?
- Need an example for using LookAheadComposeFilter with LookAheadMatcher.

- OpenFst Forum 2011 Archive
- Can ComposeFst "shift" input labels?
- Can you please explain why ProjectFst< StdArc >(C, PROJECT_OUTPUT) does not work, when C is of the type ComposeFst
? - reduce memory consumption of fstcompile
- google-like autocomplete and openfst
- Bit of confusion on usage of ExpectationArc
- Nice way of computing total cost of all paths in FST?
- Link errors in ubuntu linux
- Link errors in ubuntu linux
- HistogramPruneQueue ? or, ConstantSizeQueue ?
- Modifying an arc in constant time
- fstshortestpath gives reversed output?
- Odd behavior for RmEpsilon for Fst with LogArc
- Bug in VectorFst?
- Minimize gives different results on different systems
- Help with setting up openfst on windows7
- not-integer StateId's - is it possible?
- Running stream of input through FST and obtaining output and total weight
- More updated documentation on OpenFst internals?
- Customized composition
- Modifying arc using matcher
- Bug in RmEpsilon and arcs with a weight of Zero() ?
- Why doesn't LogArc work for shortest path algorithm?
- 1.1 Version source?
- List-based Fst ?
- StringWeight and epsilon
- FSTs with Predicates
- How to populate GallicArc?
- Transducer learning algorithm (e.g. OSTIA) in openfst
- why log/tropical semiring is -log(p), not just log?
- compare weights
- using ToGallicMapper for alternative transition representation with ProductWeight or GallicWeight
- Trying to minimize an automaton leaves the automaton unchanged
- Openkernel question
- SegFault
- What is Segmentation fault?
- wFSTs as language model
- fst determinization and minimization problem
- rho and sigma in openfst
- Cache usage in delayed composition of cached ComposeFsts
- how to use compose to reverse an fst?
- Converting a grammar to an wfst
- Epsilon Normalization and its effect on Weight Pushing
- fstdeterminize vs. Determinize()
- Determinizing cascade for ASR
- Bash Completion Script
- Building OpenFST with unicode support on Mac OSX 10.6.
- FST Minimization
- how to use fst to input and output?
- Memory leaks after deleting transducers
- Has anyone used OpenFST for morphological analysis?

- OpenFst Forum 2010 Archive
- On the fly composition
- About FST recognition and transduction algorithm
- LoG composition eps normalization runs out of memory
- N-gram model computation
- Thread safety
- Shell command: Print all words / create FST from word list
- Edit Distance- compose 3 fst
- When is it "safe" to call Synchronize() ?
- Unable to minimize already determinized transducer
- Pre-Determinization Algorithm
- FST Determinization Question
- compiler warning comparison signed and unsigned
- Determinize problem and Composition filters
- Shortest Path with constraints
- Compose FST
- Compact fst
- Incremental redundancy reduction
- Forward / Backward variables
- 'fst::Cast' : ambiguous call to overloaded function
- Compiling openfst-1.2.3 with Visual C++ 2008 Express
- Lookahead Composition Filter with RhoMatcher
- unexpected composition result
- far weirdness
- unweighted transducers
- compilation needs -ldl
- Random FST generation
- Convert machine from FSM to FST
- FAST_LOG_PROB_ARC_SELECTOR
- Compiling 1.2.1 on Mac OSX
- Application of RTNs?
- Mindtuning for PDT?
- pre-determinization
- fstepsnormalize
- fstcompose output
- Compiling openfst-1.2 on cygwin
- ReplaceFst() and testing for CyclicDependencies
- Multithreading in OpenFST
- memory problem in fstcompose
- Composition and ShortestPath
- transducing phoneme lattices using WFSTs
- Probabilities as weights
- Deleting arcs in an Fst
- arcsum.h and arcmerge.h minor bug?
- Memory footprint of an Fst
- hbka reference paper
- Problems with fstshortestpath
- Is it possible to use fstcompile to construct an acceptor instead of a transducer?
- Missing installation files for creating a user-defined arc type?
- Problems on Ubuntu Linux 9.10
- Relabel() and epsilon Properties

- OpenFst Forum 2009 Archive
- Finding n-shortest paths
- Why is 64bit determinization slower 100 times than 32bit determinization?
- Adding other properties to arcs
- k-closed semirings
- ReWeight: Working Example
- read function causes problems
- Determinization increases size of FST
- ArcSort error with Mutable FSTs
- do we have a transition that encodes a fail transition?
- regular expression compiler
- Traverse the FST to check if it accepts a string or not and give appropriate output
- compute weight automatically
- how to remove a weighted FSA's weights?
- Performance issues?
- Label pushing - unexpected behavior?
- Problem with Determinize and Minimize
- Constrains for the maximum size of the FSTs?
- RmEpsilon, AutoQueue and Queue Disciplines
- a stand in symbol for any symbol; printing out the strings for FSA
- det(L o G) becomes more complex than L o G
- How to deal with < / s > label in constructing ngram model
- Switching weight pushing in the log semiring and in the tropical semiring
- Compiling openfst-1.1 on cygwin
- build 64bit openFST
- valgrind complaints with Replace on openfst-1.1
- very slow delayed union on openfst 1.1
- Transforming a collection of strings
- AT&T FsmLib vs openFST for exe ussage
- What semiring is the default in fstminimize, fstdeterminize ?
- problem with compiling openfst on Windows with Visual Studio 2008
- OpenFst and AT&T FSM support UTF8 or Unicode Encoding?
- Pattern Matching using Mohri 1997 algorithm
- Pruning without changing state ID's.
- User-defined Flags
- auxiliary symbols and a speech recognition cascade
- Converting a "linearized transducer" into a true transducer FST
- A few small bugs
- OpenFST vs. BOOST Graph Library for operations on language models
- N-way Composition Support
- New behaviour of SetInputSymbols/SetOutputSymbols ?
- Sat vocabulary building software
- Mindtuning for the Encode/Determinize/Decode workaround
- config.h
- Minor bug in assignment operator
- When is it safe to RmEpsilon(), Determinize(), Minimize() When is it safe to automatically RmEpsilon(), Determinize() and/or Minimize()
- Compiling openfst-1.0 on cygwin
- fstcompose memory consumption?
- possibility of facing infinite loop in fstdeterminize
- Minor fixes needed to compile with GCC 4.3
- Ignore(A, B, &C) algorithm?
- Documentation of OpenFst binary file format?

- OpenFst Forum 2008 Archive
- Patch for GNU autotools including libtool for OpenFst 20080422
- Determinize, Sequentialize, Subsequentialize
- Determinize and functional transducers
- Request: Determinize in place
- StateIterator and the Start state
- Failure transitions
- Interactive manual testing of an FST
- Easy way to query the number of paths in an FST?
- About Factoring Algorithm of WFST
- Here is a patch to use CMake for builds (tested on Linux and Mac OS X)
- SymbolTable::size()
- Efficient Way of Taking the Union of Several FSTs
- possible bug in fstdeterminize in case of log semiring
- LM using FST
- compilation gotcha with spaces in directory names
- Input and output alphabets
- Interpreting complement character ranges
- Mindtuning: value of separate input and output symbol tables?
- "Normalizing" arc/final weights on an FST?
- Natural code for printing all strings accepted by an FST?
- Why is TropicalWeight considered standard?
- Compiler error on Determinize().
- New Release of OpenFst?
- Another newbie question

- OpenFst Forum 2007 Archive
- Newbie question: compiling a C++ program using the OpenFst library
- Autoconfiscating patch
- Lazy VectorFst?
- porting openfst to Windows
- Evaluating the Weights
- fstminimize
- fstdeterminize
- make on 64-bit Linux
- deleting transducers?
- Crossproduct and Complement
- AT&T FSM format (text format) and Unicode
- ShortestDistance
- composition of FSTs
- write FST in AT&T FSM format
- VectorFst
- Determininizg / Minimizing
- Multicharacter Labels
- changing an arc weight
- labels and integers
- compiling OpenFst beta on macosx
- creating string fsa via c++ code

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Topic revision: r3 - 2018-05-30 - MichaelRiley

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