<p>Is anyone aware of any implementations of algorithms for learning and/or processing a Logical Hierarchical Hidden Markov Model, as described in <a href="http://www-kd.iai.uni-bonn.de/pubattachments/260/natarajan08ilp.pdf" rel="nofollow">this</a> paper? I've found dozens of papers about Logical Hidden Markov Models, Hierarchical Hidden Markov Models, and every variation in between, but no one's published any code.</p>

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2011-11-29T15:17:37.183Z
You could try emailing the authors of the paper.
Dave Clarke
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2011-11-29T16:26:53.123Z
I think this is not a TCS question. (Generally asking for implemented code for algorithms is (related but) not a theoretical question. You should ask them on SO.)
Kaveh
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2011-11-29T16:49:28.693Z
@Kaveh not sure I'd agree with that entirely. I would argue that for more complex algorithms (cf SAT Solvers: http://cstheory.stackexchange.com/questions/1295/sat-solver-download) it's ok to ask about implementations here, because even implementing such algorithms requires some theoretical insight.
Suresh Venkat
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2011-11-29T17:03:32.547Z
@Suresh, the question is asking for full code not about the algorithm. I don't see any theoretical point in such a question. The answer is either possible to find by Googling or is simply there is no implementation available. (That question is more like looking for an algorithm than implementation for a particular algorithm.)
Kaveh
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2011-11-29T19:07:50.360Z
Sorry if this is the wrong place to ask this type of question. I would normally ask this on SO, but I've been kicked over here when the question involves new algorithms, so I decided to start here.
Cerin
<implementation><markov-chains>
Implementation of a Logical Hierarchical Hidden Markov Model
Cerin
# Implementation of a Logical Hierarchical Hidden Markov Model

(Asked by: username_0 on 2011-11-29)

Is anyone aware of any implementations of algorithms for learning and/or processing a Logical Hierarchical Hidden Markov Model, as described in [this](http://www-kd.iai.uni-bonn.de/pubattachments/260/natarajan08ilp.pdf) paper? I've found dozens of papers about Logical Hidden Markov Models, Hierarchical Hidden Markov Models, and every variation in between, but no one's published any code.

**Tags:** implementation, markov-chains
> **Comments:**
> **username_1**: You could try emailing the authors of the paper.  
> **username_2**: I think this is not a TCS question. (Generally asking for implemented code for algorithms is (related but) not a theoretical question. You should ask them on SO.)  
> **username_3**: @Kaveh not sure I'd agree with that entirely. I would argue that for more complex algorithms (cf SAT Solvers: http://cstheory.stackexchange.com/questions/1295/sat-solver-download) it's ok to ask about implementations here, because even implementing such algorithms requires some theoretical insight.  
> **username_2**: @Suresh, the question is asking for full code not about the algorithm. I don't see any theoretical point in such a question. The answer is either possible to find by Googling or is simply there is no implementation available. (That question is more like looking for an algorithm than implementation for a particular algorithm.)  
> **username_0**: Sorry if this is the wrong place to ask this type of question. I would normally ask this on SO, but I've been kicked over here when the question involves new algorithms, so I decided to start here.  

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## 0 answers

