diff --git a/UD_fr-GSD/morpho/error_morpho.cla b/UD_fr-GSD/morpho/error_morpho.cla
index fd22d1c53e7f8da4e5c6aaa6dd18954767c7e265..0042b16e5e6e8cb0cc5578d01b797b48097612e1 100644
--- a/UD_fr-GSD/morpho/error_morpho.cla
+++ b/UD_fr-GSD/morpho/error_morpho.cla
@@ -3,5 +3,5 @@ Type : Prediction
Oracle : none
Feature Model : error_morpho.fm
Action Set : error_morpho.as
-Topology : (500,RELU,0.3)
-Batchsize : 1
+Topology : R(500,RELU,0.3)
+Batchsize : 50
diff --git a/UD_fr-GSD/morpho/error_morpho.fm b/UD_fr-GSD/morpho/error_morpho.fm
index 2a8344ed89f077d2645e27c26243af97b3fda347..ddfe4426849c82aee0187b858f793f790a4ab266 100644
--- a/UD_fr-GSD/morpho/error_morpho.fm
+++ b/UD_fr-GSD/morpho/error_morpho.fm
@@ -1,29 +1,30 @@
# Features classiques
# FORM
-b.0#FORM.fasttext
-b.1#FORM.fasttext
-b.2#FORM.fasttext
-b.-1#FORM.fasttext
-b.-2#FORM.fasttext
+#b.0#FORM.fasttext
+#b.1#FORM.fasttext
+#b.2#FORM.fasttext
+#b.-1#FORM.fasttext
+#b.-2#FORM.fasttext
# POS
b.0#POS
b.-1#POS
b.-2#POS
b.-3#POS
+b.-4#POS
# MORPHO
b.-1#MORPHO
b.-2#MORPHO
+b.-3#MORPHO
+b.-4#MORPHO
# UPPERCASE
b.0#FORM.U
-b.1#FORM.U
-# UPPERCASE
+b.-1#FORM.U
+b.-2#FORM.U
+b.-3#FORM.U
+b.-4#FORM.U
+# LENGTH
b.0#FORM.LEN
-# SUFFIXES
-b.0#FORM.PART.-4.-4
-b.0#FORM.PART.-3.-3
-b.0#FORM.PART.-2.-2
-b.0#FORM.PART.-1.-1
-b.0#FORM.PART.0.0
-b.0#FORM.PART.1.1
-b.0#FORM.PART.2.2
-b.0#FORM.PART.3.3
+b.-1#FORM.LEN
+b.-2#FORM.LEN
+b.-3#FORM.LEN
+b.-4#FORM.LEN
diff --git a/UD_fr-GSD/morpho/machine.tm b/UD_fr-GSD/morpho/machine.tm
index 7af22171d2c4151bffc121cd2dc48e6ef3e21205..530fada046f062d3782971c3eb121d17bfa5e67f 100644
--- a/UD_fr-GSD/morpho/machine.tm
+++ b/UD_fr-GSD/morpho/machine.tm
@@ -1,12 +1,8 @@
-Name : Morpho with error correction
+Name : Morpho Machine
Dicts : morpho.dicts
%CLASSIFIERS
morpho morpho.cla
-error_morpho error_morpho.cla
%STATES
-morpho morpho
-error_morpho error_morpho
+morpho1 morpho
%TRANSITIONS
-morpho error_morpho 0 *
-error_morpho morpho 0 BACK
-error_morpho morpho 1 *
+morpho1 morpho1 +1 *
diff --git a/UD_fr-GSD/morpho/morpho.cla b/UD_fr-GSD/morpho/morpho.cla
index 684ebb21140a368ac8a6398ab553cb109405be8d..97000f557666dac107f9615716780df331982222 100644
--- a/UD_fr-GSD/morpho/morpho.cla
+++ b/UD_fr-GSD/morpho/morpho.cla
@@ -3,4 +3,4 @@ Type : Prediction
Oracle : morpho
Feature Model : morpho.fm
Action Set : morpho.as
-Topology : (1000,RELU,0.3)
+Topology : R(1000,RELU,0.3)
diff --git a/UD_fr-GSD/morpho/morpho.fm b/UD_fr-GSD/morpho/morpho.fm
index d52d03c318f202dcdf87ba610183a43dab2db23d..3e542b814ffb5f185c3949d4ce25d8145a1b6273 100644
--- a/UD_fr-GSD/morpho/morpho.fm
+++ b/UD_fr-GSD/morpho/morpho.fm
@@ -29,10 +29,10 @@ b.0#FORM.PART.2.2
b.0#FORM.PART.3.3
# ERROR CORRECTION
b.1#POS
-b.1#MORPHO
+#b.1#MORPHO
b.2#POS
-b.2#MORPHO
+#b.2#MORPHO
b.3#POS
-b.3#MORPHO
+#b.3#MORPHO
b.4#POS
-b.4#MORPHO
+#b.4#MORPHO
diff --git a/toy_backtrack/.gitignore b/toy_backtrack/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..0d2b44f555401e5a5f1144224bfa157b15e21448
--- /dev/null
+++ b/toy_backtrack/.gitignore
@@ -0,0 +1,3 @@
+data/*\.mcf
+eval/toy_backtrack.res
+eval/stderr.log
diff --git a/toy_backtrack/data/Makefile b/toy_backtrack/data/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..86192091f1abcbb98200dc21e189654c32d79131
--- /dev/null
+++ b/toy_backtrack/data/Makefile
@@ -0,0 +1,17 @@
+MCD=wpmlgfs.mcd
+TOOLS=../../tools
+
+all: train.mcf test.mcf dev.mcf
+
+train.mcf:
+ ./createMCF.py $(MCD) 100000 100 > $@
+
+test.mcf:
+ ./createMCF.py $(MCD) 10000 200 > $@
+
+dev.mcf:
+ ./createMCF.py $(MCD) 10000 300 > $@
+
+clean:
+ - rm *\.mcf
+
diff --git a/toy_backtrack/data/createMCF.py b/toy_backtrack/data/createMCF.py
new file mode 100755
index 0000000000000000000000000000000000000000..85f2cafba25132f89848ac822782cc276af82b8a
--- /dev/null
+++ b/toy_backtrack/data/createMCF.py
@@ -0,0 +1,86 @@
+#! /usr/bin/python3
+
+import sys
+import random
+
+def printUsageAndExit() :
+ print("Usage : %s mcd nbLines seed"%sys.argv[0], file=sys.stderr)
+ exit(1)
+
+def readMCD(mcdFilename) :
+ mcd = {}
+ for line in open(mcdFilename, "r", encoding="utf8") :
+ clean = line.strip()
+ if len(line) < 2 or line[0] == '#' :
+ continue
+ splited = line.split(' ')
+ if len(splited) != 2 :
+ print("ERROR : invalid mcd line \'%s\'. Aborting"%line, file=sys.stderr)
+ exit(1)
+ mcd[splited[0].strip()] = splited[1].strip()
+
+ return mcd
+
+def main() :
+ if len(sys.argv) != 4 :
+ printUsageAndExit()
+
+ random.seed(int(sys.argv[3]))
+
+ mcfMCD = readMCD(sys.argv[1])
+ mcfMCDr = {v: k for k, v in mcfMCD.items()}
+
+ data = []
+
+ nbLines = int(sys.argv[2])
+ for i in range(nbLines) :
+ word = random.randint(0,5)
+ pos = word + random.randint(-2,2)
+ morpho = (pos+word) % 6
+ eos = "_"
+ if len(data) % 50 == 0 and len(data) > 0 :
+ eos = "1"
+ data += [[word,pos,morpho,eos]]
+
+ for i in range(len(data)) :
+ if random.random() < 0.1 :
+ continue
+
+ if data[i][0] <= 1 and i > 0 and data[i-1][3] == "_" :
+ data[i][1] = data[i-1][1]
+
+ if data[i][1] >= 3 and i > 0 and data[i-1][3] == "_" :
+ data[i][1] = data[i-1][1]
+
+ data[i][2] = (data[i][0] + data[i][1]) % 6
+
+ for i in range(len(data)) :
+ if i > 0 and data[i-1][2] == 2 and data[i-1][3] == "_" :
+ data[i][2] = 0
+ continue
+ if i > 0 and data[i-1][2] == 3 and data[i-1][3] == "_":
+ data[i][2] = 0
+ continue
+ if i > 0 and data[i-1][2] < 0 and data[i-1][3] == "_" :
+ data[i][2] = 0
+ continue
+
+ if i < len(data)-1 and data[i][0] == data[i+1][0] and data[i][3] == "_" :
+ data[i][2] = 2
+ if i < len(data)-2 and data[i][0] == data[i+2][0] and data[i][3]+data[i+1][3] == "__" :
+ data[i][2] = 3
+ elif i < len(data)-1 and data[i][1] == data[i+1][1] and data[i][3] == "_" :
+ data[i][2] = -2
+ if i < len(data)-2 and data[i][1] == data[i+2][1] and data[i][3]+data[i+1][3] == "__" :
+ data[i][2] = -3
+
+
+ for i in range(len(data)) :
+ print(data[i][0],end="\t")
+ print(data[i][1],end="\t")
+ print(data[i][2],end="\t")
+ print(data[i][3],end="\n")
+
+if __name__ == "__main__" :
+ main()
+
diff --git a/toy_backtrack/data/createMCF2.py b/toy_backtrack/data/createMCF2.py
new file mode 100755
index 0000000000000000000000000000000000000000..d47b953f77a28865f2ba26d85e764b654ad7383e
--- /dev/null
+++ b/toy_backtrack/data/createMCF2.py
@@ -0,0 +1,49 @@
+#! /usr/bin/python3
+
+import sys
+import random
+
+def printUsageAndExit() :
+ print("Usage : %s mcd nbLines"%sys.argv[0], file=sys.stderr)
+ exit(1)
+
+def readMCD(mcdFilename) :
+ mcd = {}
+ for line in open(mcdFilename, "r", encoding="utf8") :
+ clean = line.strip()
+ if len(line) < 2 or line[0] == '#' :
+ continue
+ splited = line.split(' ')
+ if len(splited) != 2 :
+ print("ERROR : invalid mcd line \'%s\'. Aborting"%line, file=sys.stderr)
+ exit(1)
+ mcd[splited[0].strip()] = splited[1].strip()
+
+ return mcd
+
+def main() :
+ if len(sys.argv) != 3 :
+ printUsageAndExit()
+
+ random.seed(100)
+
+ mcfMCD = readMCD(sys.argv[1])
+ mcfMCDr = {v: k for k, v in mcfMCD.items()}
+
+ data = []
+
+ nbLines = int(sys.argv[2])
+ for i in range(nbLines) :
+ word = random.randint(0,5)
+ pos = word + random.randint(-2,2)
+ morpho = (pos+word) % 6
+ data += [[word,pos,morpho]]
+
+ for i in range(len(data)) :
+ print(data[i][0],end="\t")
+ print(data[i][1],end="\t")
+ print(data[i][2],end="\n")
+
+if __name__ == "__main__" :
+ main()
+
diff --git a/toy_backtrack/data/wpmlgfs.mcd b/toy_backtrack/data/wpmlgfs.mcd
new file mode 100644
index 0000000000000000000000000000000000000000..8ec6631e1558cbe0cfcba45c283a6fa56e062885
--- /dev/null
+++ b/toy_backtrack/data/wpmlgfs.mcd
@@ -0,0 +1,4 @@
+0 FORM
+1 POS
+2 MORPHO
+3 EOS
diff --git a/toy_backtrack/eval/average.sh b/toy_backtrack/eval/average.sh
new file mode 100755
index 0000000000000000000000000000000000000000..93eb09e582d87f8506e4961109e742a0bffb193d
--- /dev/null
+++ b/toy_backtrack/eval/average.sh
@@ -0,0 +1,6 @@
+#! /bin/bash
+
+LANG=fr
+RES=$LANG.res
+
+exec ../../scripts/average.py $RES
diff --git a/toy_backtrack/eval/eval.sh b/toy_backtrack/eval/eval.sh
new file mode 100755
index 0000000000000000000000000000000000000000..06ba9f8eec071653f6f97f8f732409829ca2a8ac
--- /dev/null
+++ b/toy_backtrack/eval/eval.sh
@@ -0,0 +1,8 @@
+#! /bin/bash
+
+LANG=toy_backtrack
+MCF=../data/test.mcf
+MCD=../data/wpmlgfs.mcd
+ARGS="--ignore FORM --ignore POS"
+
+exec ../../scripts/eval.py $LANG $MCF $MCD $* $ARGS
diff --git a/toy_backtrack/eval/totalEval.sh b/toy_backtrack/eval/totalEval.sh
new file mode 100755
index 0000000000000000000000000000000000000000..927fb5f44537e0e9851ca839f7f1fb8c1c804eb3
--- /dev/null
+++ b/toy_backtrack/eval/totalEval.sh
@@ -0,0 +1,3 @@
+#! /bin/bash
+
+./eval.sh tagger morpho lemmatizer parser tagparser tagger+morpho+lemmatizer+parser
diff --git a/toy_backtrack/morpho/errorCorrection.tm b/toy_backtrack/morpho/errorCorrection.tm
new file mode 100644
index 0000000000000000000000000000000000000000..7af22171d2c4151bffc121cd2dc48e6ef3e21205
--- /dev/null
+++ b/toy_backtrack/morpho/errorCorrection.tm
@@ -0,0 +1,12 @@
+Name : Morpho with error correction
+Dicts : morpho.dicts
+%CLASSIFIERS
+morpho morpho.cla
+error_morpho error_morpho.cla
+%STATES
+morpho morpho
+error_morpho error_morpho
+%TRANSITIONS
+morpho error_morpho 0 *
+error_morpho morpho 0 BACK
+error_morpho morpho 1 *
diff --git a/toy_backtrack/morpho/error_morpho.as b/toy_backtrack/morpho/error_morpho.as
new file mode 100644
index 0000000000000000000000000000000000000000..e9182f3bc4fd349a75722301d1ee825d7de8fe70
--- /dev/null
+++ b/toy_backtrack/morpho/error_morpho.as
@@ -0,0 +1,5 @@
+EPSILON
+BACK 1
+BACK 2
+BACK 3
+BACK 4
diff --git a/toy_backtrack/morpho/error_morpho.cla b/toy_backtrack/morpho/error_morpho.cla
new file mode 100644
index 0000000000000000000000000000000000000000..fd22d1c53e7f8da4e5c6aaa6dd18954767c7e265
--- /dev/null
+++ b/toy_backtrack/morpho/error_morpho.cla
@@ -0,0 +1,7 @@
+Name : Error_Morpho
+Type : Prediction
+Oracle : none
+Feature Model : error_morpho.fm
+Action Set : error_morpho.as
+Topology : (500,RELU,0.3)
+Batchsize : 1
diff --git a/toy_backtrack/morpho/error_morpho.fm b/toy_backtrack/morpho/error_morpho.fm
new file mode 100644
index 0000000000000000000000000000000000000000..2a8344ed89f077d2645e27c26243af97b3fda347
--- /dev/null
+++ b/toy_backtrack/morpho/error_morpho.fm
@@ -0,0 +1,29 @@
+# Features classiques
+# FORM
+b.0#FORM.fasttext
+b.1#FORM.fasttext
+b.2#FORM.fasttext
+b.-1#FORM.fasttext
+b.-2#FORM.fasttext
+# POS
+b.0#POS
+b.-1#POS
+b.-2#POS
+b.-3#POS
+# MORPHO
+b.-1#MORPHO
+b.-2#MORPHO
+# UPPERCASE
+b.0#FORM.U
+b.1#FORM.U
+# UPPERCASE
+b.0#FORM.LEN
+# SUFFIXES
+b.0#FORM.PART.-4.-4
+b.0#FORM.PART.-3.-3
+b.0#FORM.PART.-2.-2
+b.0#FORM.PART.-1.-1
+b.0#FORM.PART.0.0
+b.0#FORM.PART.1.1
+b.0#FORM.PART.2.2
+b.0#FORM.PART.3.3
diff --git a/toy_backtrack/morpho/machine.tm b/toy_backtrack/morpho/machine.tm
new file mode 100644
index 0000000000000000000000000000000000000000..530fada046f062d3782971c3eb121d17bfa5e67f
--- /dev/null
+++ b/toy_backtrack/morpho/machine.tm
@@ -0,0 +1,8 @@
+Name : Morpho Machine
+Dicts : morpho.dicts
+%CLASSIFIERS
+morpho morpho.cla
+%STATES
+morpho1 morpho
+%TRANSITIONS
+morpho1 morpho1 +1 *
diff --git a/toy_backtrack/morpho/morpho.as b/toy_backtrack/morpho/morpho.as
new file mode 100644
index 0000000000000000000000000000000000000000..1d3ff7c1f428ad63e013580f13cd2b6367ccd2ea
--- /dev/null
+++ b/toy_backtrack/morpho/morpho.as
@@ -0,0 +1,8 @@
+WRITE b.0 MORPHO 0
+WRITE b.0 MORPHO 1
+WRITE b.0 MORPHO -2
+WRITE b.0 MORPHO 2
+WRITE b.0 MORPHO -3
+WRITE b.0 MORPHO 3
+WRITE b.0 MORPHO 4
+WRITE b.0 MORPHO 5
diff --git a/toy_backtrack/morpho/morpho.cla b/toy_backtrack/morpho/morpho.cla
new file mode 100644
index 0000000000000000000000000000000000000000..8201c433ca18714ef34b83dfb8228ed5cd960c24
--- /dev/null
+++ b/toy_backtrack/morpho/morpho.cla
@@ -0,0 +1,6 @@
+Name : Morpho
+Type : Prediction
+Oracle : morpho
+Feature Model : morpho.fm
+Action Set : morpho.as
+Topology : (500,RELU,0.0)
diff --git a/toy_backtrack/morpho/morpho.dicts b/toy_backtrack/morpho/morpho.dicts
new file mode 100644
index 0000000000000000000000000000000000000000..0285d2c0a02a4752ba08ec58a29b0cdf1919d735
--- /dev/null
+++ b/toy_backtrack/morpho/morpho.dicts
@@ -0,0 +1,17 @@
+#Name Dimension Mode #
+###################################
+Morpho_bool 10 Embeddings
+Morpho_int 10 Embeddings
+Morpho_letters 30 Embeddings
+Morpho_pos 30 Embeddings
+Morpho_form 100 Embeddings
+Morpho_morpho 30 Embeddings
+Morpho_actions 30 Embeddings
+# ERROR_MORPHO
+Error_Morpho_actions 18 Embeddings _
+Error_Morpho_bool 16 Embeddings _
+Error_Morpho_int 16 Embeddings _
+Error_Morpho_pos 18 Embeddings _
+Error_Morpho_form 30 Embeddings _
+Error_Morpho_letters 30 Embeddings _
+Error_Morpho_morpho 22 Embeddings _
diff --git a/toy_backtrack/morpho/morpho.fm b/toy_backtrack/morpho/morpho.fm
new file mode 100644
index 0000000000000000000000000000000000000000..a45494d648d05bd9100eb07e6d094eedc67ded04
--- /dev/null
+++ b/toy_backtrack/morpho/morpho.fm
@@ -0,0 +1,25 @@
+# Features classiques
+# FORM
+b.0#FORM
+b.1#FORM
+b.2#FORM
+b.-1#FORM
+b.-2#FORM
+# POS
+b.0#POS
+b.-1#POS
+b.-2#POS
+b.-3#POS
+# MORPHO
+b.-1#MORPHO
+b.-2#MORPHO
+b.-1#MORPHO.PART.0.0
+# ERROR CORRECTION
+#b.1#POS
+#b.1#MORPHO
+#b.2#POS
+#b.2#MORPHO
+#b.3#POS
+#b.3#MORPHO
+#b.4#POS
+#b.4#MORPHO
diff --git a/toy_backtrack/morpho/normal.tm b/toy_backtrack/morpho/normal.tm
new file mode 100644
index 0000000000000000000000000000000000000000..530fada046f062d3782971c3eb121d17bfa5e67f
--- /dev/null
+++ b/toy_backtrack/morpho/normal.tm
@@ -0,0 +1,8 @@
+Name : Morpho Machine
+Dicts : morpho.dicts
+%CLASSIFIERS
+morpho morpho.cla
+%STATES
+morpho1 morpho
+%TRANSITIONS
+morpho1 morpho1 +1 *
diff --git a/toy_backtrack/morpho/test.bd b/toy_backtrack/morpho/test.bd
new file mode 100644
index 0000000000000000000000000000000000000000..bdf2eeb34fe2f59101628ddc41896bbc5479fdf2
--- /dev/null
+++ b/toy_backtrack/morpho/test.bd
@@ -0,0 +1,6 @@
+#Name ref/hyp dict Policy Must print?#
+############################################
+FORM ref form Final 1
+POS ref pos Final 1
+MORPHO hyp morpho Final 1
+EOS ref eos Final 1
diff --git a/toy_backtrack/morpho/train.bd b/toy_backtrack/morpho/train.bd
new file mode 100644
index 0000000000000000000000000000000000000000..eeecd23dd992e741440c13f5dafe9b1089edccbf
--- /dev/null
+++ b/toy_backtrack/morpho/train.bd
@@ -0,0 +1,6 @@
+#Name ref/hyp dict Policy Must print?#
+############################################
+FORM ref form FromZero 1
+POS ref pos FromZero 1
+MORPHO hyp morpho FromZero 1
+EOS ref eos FromZero 1
diff --git a/toy_backtrack/train.sh b/toy_backtrack/train.sh
new file mode 100755
index 0000000000000000000000000000000000000000..21aba79015140dce3360eb2d8741f365b3d3c482
--- /dev/null
+++ b/toy_backtrack/train.sh
@@ -0,0 +1,5 @@
+#! /bin/bash
+
+LANG="toy_backtrack"
+
+../scripts/train.sh $LANG $@