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a64c1138df
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112 Commits

Author SHA1 Message Date
Vitor Santos Costa
a64c1138df more CLP(BN) fixes 
- support clpbn_table for an efficient implementation of deterministic tabling.
- corresponding changes to learning algorithm.
 2008-11-18 11:29:59 +00:00
Vitor Santos Costa
1b98de440d Improve Gibbs learning in CLP(BN). 2008-11-14 14:56:18 +00:00
Vitor Santos Costa
99248795c9 support for learning CLP(BN) programs from Aleph 2008-11-13 09:03:53 +00:00
Vitor Santos Costa
3f491b8666 small fixes 2008-11-04 17:02:26 +00:00
Vitor Santos Costa
13fb5d5156 fix underflows when computing marginals. 2008-11-04 03:55:49 +00:00
Vitor Santos Costa
0dc7d3492d move aggregate support to aggregates. 2008-11-04 03:32:59 +00:00
Vitor Santos Costa
e19a7e6b61 include aggregate preparation in here. 2008-11-04 03:31:50 +00:00
Vitor Santos Costa
c81bc96fd0 fix EM support 2008-11-04 03:30:12 +00:00
Vitor Santos Costa
43365003dc support for EM with JT 
use vel as default.
 2008-11-04 03:29:11 +00:00
Vitor Santos Costa
8a9d66d001 more fixes to improve aggregate performance: 
handle evidence on children and root nodes.
make graphviz call on top-level.
 2008-11-04 00:46:17 +00:00
Vitor Santos Costa
f6c5d16f63 use avg CPT type. 
how to deal with it is a solver problem, not an app issue.
 2008-11-03 16:02:15 +00:00
Vitor Santos Costa
45df10e86d use avg cpt type. 2008-11-03 16:01:39 +00:00
Vitor Santos Costa
259313b603 fix the case when you refer a variable that does not affect the marginals. 2008-11-02 16:00:46 +00:00
Vitor Santos Costa
4490aa4bb6 predicate was not defined, so it should not be exported. 2008-11-02 16:00:19 +00:00
Vitor Santos Costa
53b8aa471c just small changes of paramters. 2008-11-02 15:59:41 +00:00
Vitor Santos Costa
941d3c3f13 EM was not checking for convergence properly. 2008-11-02 15:58:29 +00:00
Vitor Santos Costa
ac34be01b0 support for randomising or making uniform all distributions before starting EM 2008-11-01 21:09:08 +00:00
Vitor Santos Costa
4f1d7d0524 make this example a more uniform example. 2008-11-01 21:08:47 +00:00
Vitor Santos Costa
11e02be540 fixes to work with gibbs and vel. 2008-11-01 11:52:54 +00:00
Vitor Santos Costa
de79f30e45 use influences 
fixes to work with EM.
 2008-11-01 11:52:10 +00:00
Vitor Santos Costa
c6bb7e9dfe small interface fixes, use influences 2008-11-01 11:51:36 +00:00
Vitor Santos Costa
0ff1552370 normalise_CPT actually works on joints. 2008-11-01 11:49:38 +00:00
Vitor Santos Costa
ccbd6aea5b add new interface function to obtain key for a distribution 2008-11-01 11:48:53 +00:00
Vitor Santos Costa
4cebf98f0c fix bad variable passing 
separate graph initilialisaton phase so that this can be done only once.
 2008-11-01 11:47:56 +00:00
Vitor Santos Costa
08a736fea2 improve EM solver interface. 2008-11-01 11:47:17 +00:00
Vitor Santos Costa
c968576cb4 install Markov blanket analyser. 2008-11-01 11:46:08 +00:00
Vitor Santos Costa
4a2aa23c5b more CLP(BN) fixes, add softening option when computing MLE estimators. 2008-10-31 15:11:27 +00:00
Vitor Santos Costa
61f35779a0 make sure we include every vertex. 2008-10-31 14:10:57 +00:00
Vitor Santos Costa
e66e7c86bc more fixes to use matrices in gibbs sampling. 2008-10-31 09:41:52 +00:00
Vitor Santos Costa
6408ae52ac we do not always want logarithms for CPTs. 2008-10-31 09:41:02 +00:00
Vitor Santos Costa
1d4dc2b0d7 we do not always want logarithms for CPTs. 2008-10-31 09:40:05 +00:00
Vitor Santos Costa
365f454755 use standard library for topsort. 2008-10-31 09:39:26 +00:00
Vitor Santos Costa
20e08fb549 find the variables connected with a variable, and all variables that may 
affect each other.
 2008-10-29 20:55:32 +00:00
Vitor Santos Costa
fa0d580faa make sure that we always consider evidence. 
fix interface.
 2008-10-29 20:54:15 +00:00
Vitor Santos Costa
d1db0d68ea distribution is now named through its structure, not just the main functor. 2008-10-29 20:52:56 +00:00
Vitor Santos Costa
922424abd0 new implementation of aggregates, using matrices. 2008-10-29 20:50:21 +00:00
Vitor Santos Costa
22b17b5856 new interface to display 2008-10-29 18:24:50 +00:00
Vitor Santos Costa
7cbdad30f2 be more careful about calling the solver: 
- only pass variables related to the query
  - call the solver in case we have only evidence
 2008-10-29 18:23:26 +00:00
Vítor Santos de Costa
0028072865 fix gibbs EM in case we have 0 elements. 2008-10-24 10:36:37 +01:00
Vitor Santos Costa
0dcf34b7bc mainbranch fixes to: 
- fix quoted characters output
- fix line position in read_term and friends
- make messages look a bit better
- CLP(BN) EM improvements.
 2008-10-23 22:17:45 +01:00
Vítor Santos de Costa
592fe9e366 new version of CLP(BN) with EM learning 2008-10-22 00:44:02 +01:00
Vitor Santos Costa
06a5d8f9db fix some unbound variables in dist_unbound 2008-09-30 11:48:24 +01:00
Vitor Santos Costa
75cd0c619c syntax error fixing in em.yap 2008-09-30 00:04:07 +01:00
Vitor Santos Costa
3b811d0d70 changes to support em: step 1 2008-09-30 00:02:31 +01:00
vsc
5d49f14545 fix rbtrees built from ordered lists 
fix jt
be more flexible about unbound parents


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@2260 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
 2008-06-05 16:24:08 +00:00
vsc
1c6b91cb72 improve WIN32 support and installation 
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@2170 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
 2008-03-27 00:41:33 +00:00
vsc
b2274186bd make or-parallelism compile again 
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@2164 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
 2008-03-25 16:45:53 +00:00
vsc
d02bc3de81 update chr 
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@2143 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
 2008-03-13 14:38:02 +00:00
rzf
93e6f17c3b removed singletons 
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@2135 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
 2008-03-09 08:21:00 +00:00
rzf
186d4e0687 corrected bug: call_solver was not exported 
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@2131 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
 2008-03-08 15:38:24 +00:00