diff --git a/biblio-tools/v1/wos/fetch.ini b/biblio-tools/v1/wos/fetch.ini
index 4aea256..d13c1a2 100644
--- a/biblio-tools/v1/wos/fetch.ini
+++ b/biblio-tools/v1/wos/fetch.ini
@@ -5,6 +5,9 @@
 post.description = Recherche et récuperation dans le Web of science
 post.summary = Récupération de notices WOS à partir d'un tableau de requetes
 post.tags.0 = biblio-tools
+post.responses.default.content.application/json.example.0.value = { ... }
+post.responses.default.content.application/json.schema.$ref =  #/components/schemas/JSONStream
+post.responses.default.description = une réponse sous forme d'un objet ou n/a pour chaque DOI
 post.requestBody.content.application/json.example.0.value.databaseId = WOK
 post.requestBody.content.application/json.example.0.value.usrQuery = TS=(cadmium)
 post.requestBody.content.application/json.example.0.value.count = 5
diff --git a/loterre-resolvers/v1/9SD/expand.ini b/loterre-resolvers/v1/9SD/expand.ini
index 3df12d9..7a7f442 100644
--- a/loterre-resolvers/v1/9SD/expand.ini
+++ b/loterre-resolvers/v1/9SD/expand.ini
@@ -22,7 +22,7 @@
 value = thru(() => new Date()).thru(currentDate => Math.floor((currentDate - (new Date(currentDate.getFullYear(), 0, 1)))/(24 * 60 * 60 * 1000))).thru(days => Math.ceil(days / 7))
 
 path = loterreID
-value = fix('2XK')
+value = fix('9SD')
 
 [delegate]
 file = ./v1/process.ini
diff --git a/loterre-resolvers/v1/9SD/identify.ini b/loterre-resolvers/v1/9SD/identify.ini
index 7417a35..f6eefc1 100644
--- a/loterre-resolvers/v1/9SD/identify.ini
+++ b/loterre-resolvers/v1/9SD/identify.ini
@@ -34,7 +34,7 @@
 value = thru(() => new Date()).thru(currentDate => Math.floor((currentDate - (new Date(currentDate.getFullYear(), 0, 1)))/(24 * 60 * 60 * 1000))).thru(days => Math.ceil(days / 7))
 
 path = loterreID
-value = fix('2XK')
+value = fix('9SD')
 
 [delegate]
 file = ./v1/process.ini
diff --git a/loterre-resolvers/v1/P66/identify.ini b/loterre-resolvers/v1/P66/identify.ini
index bceb3f9..ddb0970 100644
--- a/loterre-resolvers/v1/P66/identify.ini
+++ b/loterre-resolvers/v1/P66/identify.ini
@@ -41,7 +41,7 @@
 value = thru(() => new Date()).thru(currentDate => Math.floor((currentDate - (new Date(currentDate.getFullYear(), 0, 1)))/(24 * 60 * 60 * 1000))).thru(days => Math.ceil(days / 7))
 
 path = loterreID
-value = fix('2XK')
+value = fix('P66')
 
 [delegate]
 file = ./v1/process.ini
diff --git a/loterre-resolvers/v1/combine.ini b/loterre-resolvers/v1/combine.ini
index 592d02f..5077a17 100644
--- a/loterre-resolvers/v1/combine.ini
+++ b/loterre-resolvers/v1/combine.ini
@@ -1,64 +1,58 @@
-# Context input/output
-append = dump?indent=true
-
-# OpenAPI Documentation - JSON format (dot notation)
-post.responses.default.description = Return all objects from XML/SKOS file
-post.responses.default.content.application/json.schema.type = array
-post.responses.default.content.application/json.schema.items.type = object
-post.responses.default.content.application/json.schema.items.properties.id.type = string
-post.responses.default.content.application/json.schema.items.properties.value.$ref = #/components/schemas/anyValue
-post.summary = Transform XML/SKOS file to array of JSON Objects
-post.requestBody.required = true
-post.requestBody.content.text/xml.schema.type = string
-post.requestBody.content.text/xml.schema.format = binary
-
-# Necessary plugins
-[use]
-plugin = basics
-plugin = loterre
-plugin = analytics
-
-# Flow configuration
-[URLStream]
-path = false
-
-[XMLParse]
-separator = /rdf:RDF/skos:Concept
-
+# STEP 0 : On noramise la valeur à rechercher (de la même manière que l'index a été créé)
 [assign]
-path = localization
-value = get('skos$broader.rdf$resource').concat('').filter(Boolean)
+path = value
+value = fix(_.deburr(String(self.value).replace(/[`~!@#$%^&*()_|+\-=?;:'",.<>\{\}\[\]\\\/\s]/g, '').toLowerCase()))
 
-[SKOSPathEnum]
-path = localization
-label = skos$prefLabel
-recursion = true
+path = loterreID
+value = env('loterreID')
 
-[OBJFlatten]
-safe = true
+# primer contient l'URL à Télécharger (voir download.ini)
+path = primer
+value = env('primer')
 
-[replace]
-path = concept
-value = self()
+# STEP 1 : On vérifie si le vocabulaire est présent localement
+[load]
+location = env('location')
+domain = fix('loterre-vocabulaires').append('-loaded')
+path = loterreID
+target = isAlreadyDownload
 
-# select all keys and remove duplicates to avoid ambiguities
-path = keys
-value = fix(_.get(self, 'skos$prefLabel'), _.get(self, 'skos$altLabel'), _.get(self, 'skos$hiddenLabel')). \
-        flatten().\
-		filter(o => _.has(o, '$t')).\
-		map(o => _.deburr(String(o.$t).replace(/[`~!@#$%^&*()_|+\-=?;:'",.<>\{\}\[\]\\\/\s]/g, '').toLowerCase())).\
-		uniq()
+# STEP 1.1 : si il n'est pas présent localement
+[swing]
+test = get('isAlreadyDownload').isEmpty()
 
+# STEP 1.2 : on mémorise le fait que l'on va en faire une copie local
+[swing/save]
+location = env('location')
+domain = fix('loterre-vocabulaires').append('-loaded')
+path = loterreID
 
-[exploding]
-id = concept
-value = keys
+# STEP 1.3 : On télécharge la version distante en XML, on la convertit en JSON et on sauvegarde localement
+[swing/singleton]
+file = ./v1/download.ini
 
-; invert id & value because of [exploding] which works only by value (not by id)
+# STEP 1.4 : Avec la version JSON fraichement généré on construit un index inversé
+[swing/singleton]
+file = ./v1/compile.ini
+
+[swing/exchange]
+value = self().pick(['id', 'value', 'state'])
+
+# STEP 2 : On cherche une correspondance dans l'index inversé
+[load]
+location = env('location')
+domain = env('loterreID').prepend('loterre-').append('indexes')
+path = value
+target = result
+
 [replace]
 path = id
-value = get('value')
-
-path = value
 value = get('id')
+path = value
+value = get('result.value', 'n/a')
+
+# STEP 2 : si l'index inversé nous donne une URI, avec on va chercher les informations associées
+[expand]
+path = value
+file = ./v1/transcribe.ini
 
diff --git a/loterre-resolvers/v1/compile.ini b/loterre-resolvers/v1/compile.ini
new file mode 100644
index 0000000..4655ecb
--- /dev/null
+++ b/loterre-resolvers/v1/compile.ini
@@ -0,0 +1,40 @@
+[use]
+plugin = basics
+plugin = analytics
+plugin = storage
+
+# build the reverse index
+[cast]
+location = env('location')
+domain = env('loterreID').prepend('loterre-').append('concepts')
+
+[replace]
+path = id
+value = get('rdf$about')
+# select all keys and remove duplicates to avoid ambiguities
+path = value
+value = get('indexKeys')
+
+# create a entry for all keys
+[exploding]
+
+# invert id & value because of [exploding] which works only by value (not by id)
+[replace]
+path = id
+value = get('value')
+path = value
+value = get('id')
+
+[debug]
+text = INDEX
+
+[save]
+location = env('location')
+domain = env('loterreID').prepend('loterre-').append('indexes')
+path = id
+
+[pop]
+
+[replace]
+path = state
+value = compile
diff --git a/loterre-resolvers/v1/download.ini b/loterre-resolvers/v1/download.ini
new file mode 100644
index 0000000..799abbe
--- /dev/null
+++ b/loterre-resolvers/v1/download.ini
@@ -0,0 +1,35 @@
+[use]
+plugin = basics
+plugin = analytics
+plugin = storage
+
+
+# Download the skos and save it
+[exchange]
+value = get('primer')
+
+[URLStream]
+path = false
+
+[XMLParse]
+separator = /rdf:RDF/skos:Concept
+
+# build indexKeys (remove duplicates to avoid ambiguities)
+[assign]
+path = indexKeys
+value = fix(_.get(self, 'skos$prefLabel'), _.get(self, 'skos$altLabel'), _.get(self, 'skos$hiddenLabel')). \
+		flatten().\
+		filter(o => _.has(o, '$t')).\
+		map(o => _.deburr(String(o.$t).replace(/[`~!@#$%^&*()_|+\-=?;:'",.<>\{\}\[\]\\\/\s]/g, '').toLowerCase())).\
+		uniq()
+
+[save]
+location = env('location')
+domain = env('loterreID').prepend('loterre-').append('concepts')
+path = rdf$about
+
+[pop]
+
+[replace]
+path = state
+value = download
diff --git a/loterre-resolvers/v1/process.ini b/loterre-resolvers/v1/process.ini
index 5785455..a4775ca 100644
--- a/loterre-resolvers/v1/process.ini
+++ b/loterre-resolvers/v1/process.ini
@@ -16,34 +16,22 @@
 [use]
 plugin = basics
 plugin = analytics
+plugin = storage
+
+[env]
+path = location
+value= fix(`${env('TMPDIR', '/tmp')}/databases/${env('loterreID', 'noid')}`)
 
 # Flow configuration
 [JSONParse]
 separator = *
 
+# On utilise [expand] pour travailler uniqument sur le champ value, sans toucher aux autres champs (si ils existent)
 [expand]
 path = value
 size = 1
-cacheName = fix(`post-v1-expand-week-${env('loterreID')}-${env('weekNumber')}`)
-
-[expand/assign]
-path = value
-value = fix(_.deburr(String(self.value).replace(/[`~!@#$%^&*()_|+\-=?;:'",.<>\{\}\[\]\\\/\s]/g, '').toLowerCase()))
-
-[expand/combine]
-path = value
-primer = env('primer')
 file = ./v1/combine.ini
 
-[expand/remove]
-test = get('value.value').isString()
-
-[expand/replace]
-path = id
-value = get('id')
-path = value
-value = get('value.value')
-
 ; Pour les documents sans résulat, on donne une valeur par défaut
 [swing]
 test = get('value.rdf$about').isEmpty()
diff --git a/loterre-resolvers/v1/transcribe.ini b/loterre-resolvers/v1/transcribe.ini
new file mode 100644
index 0000000..799874a
--- /dev/null
+++ b/loterre-resolvers/v1/transcribe.ini
@@ -0,0 +1,45 @@
+# Necessary plugins
+[use]
+plugin = basics
+plugin = analytics
+plugin = storage
+
+# Load concept form URI
+[load]
+location = env('location')
+domain = env('loterreID').prepend('loterre-').append('concepts')
+path = value
+target = value
+
+# transcribe broaderConcept
+[assign]
+path = value.skos$broader
+value = get('value.skos$broader').castArray().filter(Boolean)
+
+[map]
+path = value.skos$broader
+
+[map/load]
+location = env('location')
+domain = env('loterreID').prepend('loterre-').append('concepts')
+path = rdf$resource
+
+[map/exchange]
+value = self().pick(['skos$prefLabel', 'rdf$about'])
+
+# transcribe narrowerConcept
+[assign]
+path = value.skos$narrower
+value = get('value.skos$narrower').castArray().filter(Boolean)
+
+[map]
+path = value.skos$narrower
+
+[map/load]
+location = env('location')
+domain = env('loterreID').prepend('loterre-').append('concepts')
+path = rdf$resource
+
+[map/exchange]
+value = self().pick(['skos$prefLabel', 'rdf$about'])
+