diff --git a/nlp-tools/README.md b/nlp-tools/README.md
index 8ad27f5..d74a24c 100644
--- a/nlp-tools/README.md
+++ b/nlp-tools/README.md
@@ -7,7 +7,7 @@
 Liste des traitements NLP disponibles :
 
 
-| Composant  |français   | anglais   |  name |
+| Engine  |français   | anglais   |  name |
 |---|---|---|---|
 |Stemming| X | X | stemmer  |
 |Etiquettage en partie du discours | X | X | POStagger  |
diff --git a/nlp-tools/test_EZ/run_test_NLPtools_EZ.py b/nlp-tools/test_EZ/run_test_NLPtools_EZ.py
index 75f31e6..ae750ba 100755
--- a/nlp-tools/test_EZ/run_test_NLPtools_EZ.py
+++ b/nlp-tools/test_EZ/run_test_NLPtools_EZ.py
@@ -1,78 +1,78 @@
-#!/usr/bin/env python3
-#
-#  Batterie de test les webservices nlptools
-#
-# -*- coding: utf-8 -*-
-# usage : 
-#    python3 run_test_NLPtools_EZ.py
-#
-"""
-@author: stephane schneider
-"""
-import requests
-
-outputs=['doc', 'json']
-languages=['en','fr']
-
-https_proxy="http://proxyout.inist.fr:8080/"
-http_proxy="http://proxyout.inist.fr:8080/"
-
-proxyDict = { 
-              "http"  : http_proxy, 
-              "https" : https_proxy, 
-            }
-
-# dev
-# uri="http://nlptools-02.tdmservices.intra.inist.fr"
-# prod
-uri_prod="https://nlp-tools-2.services.inist.fr"
-uri_dev="http://nlptools-02.tdmservices.intra.inist.fr"
-uri_prod_sp="http://vptdmservices.intra.inist.fr:35268"
-#changer la valeur de uri pour pointer vers la dev ou la prod
-uri=uri_dev
-
-# parameter
-headers = {'content-type': 'application/octet-stream'}
-query= {"indent": "true"}
-
-doc_en="""[
-    {"id":"PhnlUo_d6LoJPLN3YUjh5qBLc","value":"Non-local effects by homogenization or 3D–1D dimension reduction in elastic materials reinforced by stiff fibers.We first consider an elastic thin heterogeneous cylinder of radius of order ε: the interior of the cylinder is occupied by a stiff material (fiber) that is surrounded by a soft material (matrix). By assuming that the elasticity tensor of the fiber does not scale with ε and that of the matrix scales with ε2, we prove that the one dimensional model is a nonlocal system.We then consider a reference configuration domain filled out by periodically distributed rods similar to those described above. We prove that the homogenized model is a second order nonlocal problem.In particular, we show that the homogenization problem is directly connected to the 3D–1D dimensional reduction problem."}
-    ]"""
-doc_en1="""[
-    {"id": "paDxcIPh8aDRAi18YAhjivtuE",
-        "value": "Dynamics of fully coupled rotators with unimodal and bimodal frequencies distribution."}
-    ]"""
-doc_fr="""[
-    {"id":"xBKeVishRTsAqsdsqJn5YWo0HpuD","value":"Le déplacement chimique des carbones en phase gazeuse et en fonction de la concentration dans dix-neuf solvants dans le but de séparer les différents termes de constante dus aux interactions"}
-    ]"""
-# data :
-# -- fonctionne pas
-# doc = "../data/data.json"
-# test_files = { 'file': open(doc, 'rb')}
-# response = requests.post(url ,  params = query, files = test_files , stream=True, headers=headers)
-#{stemmer,termMatcher,ner,NPchunker,POStagger,gazetteer,NPchunkerDP,lefff_tagger}
-
-for language in languages:
-
-    if language == "en":
-        engines=["postagger", "stemmer", "npchunker", "npchunkerdp", "termmatcher", "ner"]
-        doc=doc_en1
-    else:
-        engines=["postagger", "stemmer"]
-        doc=doc_fr
-
-    for engine in engines:
-        for output in outputs:
-            url ="{}/v1/{}/{}/analyze".format(uri, language, engine)
-            query['output'] = output
-            response = requests.post(url , params = query, data = doc.encode('utf-8'), stream=True, headers=headers) #proxies=proxyDict
-        
-            print("\n------------ {} ({} - {}) :".format(engine,output,language ))
-            print(url)
-            print("REQUEST STATUS : {}".format(response.status_code))
-            print("HEADERS :  {}\n".format(response.headers))
-            if response.status_code == 200:
-                print(response.text)
-            else:
-                print("ERROR : nothing found !")
-
+#!/usr/bin/env python3
+#
+#  Batterie de test les webservices nlptools
+#
+# -*- coding: utf-8 -*-
+# usage : 
+#    python3 run_test_NLPtools_EZ.py
+#
+"""
+@author: stephane schneider
+"""
+import requests
+
+outputs=['doc', 'json']
+languages=['en','fr']
+
+https_proxy="http://proxyout.inist.fr:8080/"
+http_proxy="http://proxyout.inist.fr:8080/"
+
+proxyDict = { 
+              "http"  : http_proxy, 
+              "https" : https_proxy, 
+            }
+
+# dev
+# uri="http://nlptools-02.tdmservices.intra.inist.fr"
+# prod
+uri_prod="https://nlp-tools-2.services.inist.fr"
+uri_dev="http://nlptools-02.tdmservices.intra.inist.fr"
+uri_prod_sp="http://vptdmservices.intra.inist.fr:35268"
+#changer la valeur de uri pour pointer vers la dev ou la prod
+uri=uri_dev
+
+# parameter
+headers = {'content-type': 'application/octet-stream'}
+query= {"indent": "true"}
+
+doc_en="""[
+    {"id":"PhnlUo_d6LoJPLN3YUjh5qBLc","value":"Non-local effects by homogenization or 3D–1D dimension reduction in elastic materials reinforced by stiff fibers.We first consider an elastic thin heterogeneous cylinder of radius of order ε: the interior of the cylinder is occupied by a stiff material (fiber) that is surrounded by a soft material (matrix). By assuming that the elasticity tensor of the fiber does not scale with ε and that of the matrix scales with ε2, we prove that the one dimensional model is a nonlocal system.We then consider a reference configuration domain filled out by periodically distributed rods similar to those described above. We prove that the homogenized model is a second order nonlocal problem.In particular, we show that the homogenization problem is directly connected to the 3D–1D dimensional reduction problem."}
+    ]"""
+doc_en1="""[
+    {"id": "paDxcIPh8aDRAi18YAhjivtuE",
+        "value": "Dynamics of fully coupled rotators with unimodal and bimodal frequencies distribution."}
+    ]"""
+doc_fr="""[
+    {"id":"xBKeVishRTsAqsdsqJn5YWo0HpuD","value":"Le déplacement chimique des carbones en phase gazeuse et en fonction de la concentration dans dix-neuf solvants dans le but de séparer les différents termes de constante dus aux interactions"}
+    ]"""
+# data :
+# -- fonctionne pas
+# doc = "../data/data.json"
+# test_files = { 'file': open(doc, 'rb')}
+# response = requests.post(url ,  params = query, files = test_files , stream=True, headers=headers)
+#{stemmer,termMatcher,ner,NPchunker,POStagger,gazetteer,NPchunkerDP,lefff_tagger}
+
+for language in languages:
+
+    if language == "en":
+        engines=["postagger", "stemmer", "npchunker", "npchunkerdp", "termmatcher", "ner"]
+        doc=doc_en1
+    else:
+        engines=["postagger", "stemmer"]
+        doc=doc_fr
+
+    for engine in engines:
+        for output in outputs:
+            url ="{}/v1/{}/{}/analyze".format(uri, language, engine)
+            query['output'] = output
+            response = requests.post(url , params = query, data = doc.encode('utf-8'), stream=True, headers=headers) #proxies=proxyDict
+        
+            print("\n------------ {} ({} - {}) :".format(engine,output,language ))
+            print(url)
+            print("REQUEST STATUS : {}".format(response.status_code))
+            print("HEADERS :  {}\n".format(response.headers))
+            if response.status_code == 200:
+                print(response.text)
+            else:
+                print("ERROR : nothing found !")
+
diff --git a/nlp-tools/v1/en/ner/analyze.ini b/nlp-tools/v1/en/ner/analyze.ini
index 9501bb7..15dbfc9 100644
--- a/nlp-tools/v1/en/ner/analyze.ini
+++ b/nlp-tools/v1/en/ner/analyze.ini
@@ -14,7 +14,7 @@
 post.parameters.1.description = Indent or not the JSON Result
 
 [use]
-plugin = @ezs/local
+plugin = @ezs/spawn
 plugin = @ezs/basics
 plugin = @ezs/storage
 plugin = @ezs/analytics
diff --git a/nlp-tools/v1/en/npchunker/analyze.ini b/nlp-tools/v1/en/npchunker/analyze.ini
index 68213fe..add2c34 100644
--- a/nlp-tools/v1/en/npchunker/analyze.ini
+++ b/nlp-tools/v1/en/npchunker/analyze.ini
@@ -14,7 +14,7 @@
 post.parameters.1.description = Indent or not the JSON Result
 
 [use]
-plugin = @ezs/local
+plugin = @ezs/spawn
 plugin = @ezs/basics
 plugin = @ezs/storage
 plugin = @ezs/analytics
diff --git a/nlp-tools/v1/en/npchunkerdp/analyze.ini b/nlp-tools/v1/en/npchunkerdp/analyze.ini
index 8456cb8..616d0e1 100644
--- a/nlp-tools/v1/en/npchunkerdp/analyze.ini
+++ b/nlp-tools/v1/en/npchunkerdp/analyze.ini
@@ -14,7 +14,7 @@
 post.parameters.1.description = Indent or not the JSON Result
 
 [use]
-plugin = @ezs/local
+plugin = @ezs/spawn
 plugin = @ezs/basics
 plugin = @ezs/storage
 plugin = @ezs/analytics
diff --git a/nlp-tools/v1/en/postagger/analyze.ini b/nlp-tools/v1/en/postagger/analyze.ini
index 8506271..04b626f 100644
--- a/nlp-tools/v1/en/postagger/analyze.ini
+++ b/nlp-tools/v1/en/postagger/analyze.ini
@@ -14,7 +14,7 @@
 post.parameters.1.description = Indent or not the JSON Result
 
 [use]
-plugin = @ezs/local
+plugin = @ezs/spawn
 plugin = @ezs/basics
 plugin = @ezs/storage
 plugin = @ezs/analytics
diff --git a/nlp-tools/v1/en/stemmer/analyze.ini b/nlp-tools/v1/en/stemmer/analyze.ini
index c426baf..f3ce537 100644
--- a/nlp-tools/v1/en/stemmer/analyze.ini
+++ b/nlp-tools/v1/en/stemmer/analyze.ini
@@ -14,7 +14,7 @@
 post.parameters.1.description = Indent or not the JSON Result
 
 [use]
-plugin = @ezs/local
+plugin = @ezs/spawn
 plugin = @ezs/basics
 plugin = @ezs/storage
 plugin = @ezs/analytics
diff --git a/nlp-tools/v1/en/termmatcher/analyze.ini b/nlp-tools/v1/en/termmatcher/analyze.ini
index 7d4a5d8..07799d6 100644
--- a/nlp-tools/v1/en/termmatcher/analyze.ini
+++ b/nlp-tools/v1/en/termmatcher/analyze.ini
@@ -14,7 +14,7 @@
 post.parameters.1.description = Indent or not the JSON Result
 
 [use]
-plugin = @ezs/local
+plugin = @ezs/spawn
 plugin = @ezs/basics
 plugin = @ezs/storage
 plugin = @ezs/analytics
diff --git a/nlp-tools/v1/fr/postagger/analyze.ini b/nlp-tools/v1/fr/postagger/analyze.ini
index 5f27a83..688b25b 100644
--- a/nlp-tools/v1/fr/postagger/analyze.ini
+++ b/nlp-tools/v1/fr/postagger/analyze.ini
@@ -14,7 +14,7 @@
 post.parameters.1.description = Indent or not the JSON Result
 
 [use]
-plugin = @ezs/local
+plugin = @ezs/spawn
 plugin = @ezs/basics
 plugin = @ezs/storage
 plugin = @ezs/analytics
diff --git a/nlp-tools/v1/fr/stemmer/analyze.ini b/nlp-tools/v1/fr/stemmer/analyze.ini
index 8ceade5..68adf24 100644
--- a/nlp-tools/v1/fr/stemmer/analyze.ini
+++ b/nlp-tools/v1/fr/stemmer/analyze.ini
@@ -14,7 +14,7 @@
 post.parameters.1.description = Indent or not the JSON Result
 
 [use]
-plugin = @ezs/local
+plugin = @ezs/spawn
 plugin = @ezs/basics
 plugin = @ezs/storage
 plugin = @ezs/analytics