diff --git a/README.md b/README.md
index 897007e84ede107157ab68b012d054f49ef2a345..c6f042d6142b8a397eca2ef98f1c8458bb75d203 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,17 @@ Manuel Atencia, Jérôme David, Jérôme Euzenat, Data interlinking through robu
 
 - You need to have [Maven](https://maven.apache.org/) installed
 
-- Download and unzip [Alignment API](https://gitlab.inria.fr/moex/alignapi)
+- Download and unzip [Alignment API](https://gitlab.inria.fr/moex/alignapi).
+  
+Use these commands to manually install alignment API :
+
+```
+wget ftp://ftp.inrialpes.fr/pub/exmo/software/ontoalign/align-4.10.zip
+unzip align-4.10.zip -d alignapi
+mvn install:install-file -Dfile=alignapi/lib/procalign.jar -DgroupId=fr.inrialpes.exmo.align -DartifactId=procalign -Dversion=4.10 -Dpackaging=jar
+mvn install:install-file -Dfile=alignapi/lib/ontowrap.jar -DgroupId=fr.inrialpes.exmo -DartifactId=ontowrap -Dversion=4.10 -Dpackaging=jar
+mvn install:install-file -Dfile=alignapi/lib/align.jar -DgroupId=org.semanticweb.owl.align -DartifactId=align -Dversion=4.10 -Dpackaging=jar
+```
 
 - Clone this repository : 
 ```
@@ -31,16 +41,7 @@ git clone git@gitlab.inria.fr:moex/linkex.git
 cd linkex
 ```
 
-Use these commands to manually install alignment API :
-
-```
-mvn install:install-file -Dfile=pathToAlignmentAPI/lib/procalign.jar -DgroupId=fr.inrialpes.exmo.align -DartifactId=procalign -Dversion=4.8 -Dpackaging=jar
-
-mvn install:install-file -Dfile=pathToAlignmentAPI/lib/ontowrap.jar -DgroupId=fr.inrialpes.exmo.ontowrap -DartifactId=ontowrap -Dversion=4.8 -Dpackaging=jar
-
-mvn install:install-file -Dfile=pathToAlignmentAPI/lib/align.jar -DgroupId=org.semanticweb.owl.align -DartifactId=align -Dversion=4.8 -Dpackaging=jar
 
-```
 - Compile and package into a jar
 
 ```
@@ -54,26 +55,42 @@ Link key extraction tool can be run from command line.
 From the linkex directory, you can get the followinf help message:
 ```
 java -jar  target/LinkkeyDiscovery-1.0-SNAPSHOT-jar-with-dependencies.jar -help
-
 usage: java fr.inrialpes.exmo.linkkey.LinkkeyDiscoveryAlgorithm [options]
             dataset1 dataset2
- -c <c>            considers composition of properties
- -c1 <c1>          Uri of the first class (if omitted, all instances are
-                   considered)
- -c2 <c2>          Uri of the second class (if omitted, all instances are
-                   considered)
- -e <e>            use reference links for PR evaluation
- -f,--format <f>   Format of the output: txt (default), edoal, html, bin
- -help             print this message
- -i                considers inverse of properties
- -o,--output <o>   output filename. Default files: standard output for txt
-                   and edoal, 'result' for html and bin
- -s <s>            a support threshold between [0;1] for properties
-                   (default:0)
- -sparql           if given the datasets are considered as sparql
-                   endpoints
- -t <t>            types of extracted keys: eq or/and in (eq and in by
-                   default)
+ -b <b>                     find links between blank nodes (true by
+                            default)
+ -c <composition length>    compose properties
+ -c1 <uri1>                 Uri of the first class (if omitted, all
+                            instances are considered)
+ -c2 <uri2>                 Uri of the second class (if omitted, all
+                            instances are considered)
+ -classes                   extracts link keys candidates with classes
+ -classesfull               extracts link keys candidates with classes
+                            full (may be very expensive)
+ -d <d>                     property discriminability threshold
+ -e <e>                     use the given reference links for precision
+                            and recall evaluation.the links are given in
+                            RDF (i.e. a list of triples with predicate
+                            owl:sameAs)
+ -f,--format <format>       Format of the output: txt (default), edoal,
+                            html, bin, dot, txt2 (txt with links)
+ -help                      print this message
+ -i                         considers inverse of properties (only useful
+                            with -c)
+ -l                         Lazy mode, data will be loaded when needed
+                            (only available for bin)
+ -o,--output <outputfile>   output filename. Default files: standard
+                            output for txt and edoal, 'result' for html
+                            and bin
+ -p1 <uriprefix1>           prefix of classes that have to be considered
+ -p2 <uriprefix1>           prefix of classes that have to be considered
+ -s <s>                     a support threshold between [0;1] for
+                            properties (default:0)
+ -sparql                    if given the datasets are considered as sparql
+                            endpoints
+ -t <eq or in>              types of extracted keys: eq or/and in (eq and
+                            in by default)
+
  ```
  
  Example of command line:
@@ -85,4 +102,4 @@ The extraction algorithm will extract intersection link key candidates (-t in).
 It will consider only properties that are instanciated for at least 1% of instances of foaf:Person (-s 0.01).
 It will consider inverse of properties and compostion of them until a maximum path length of 4.
 The result will be rendered as a set of html files (-f html) located in directory "mycandidates" (-o mycandidates).
-The option -mx5000m allows to give 10GB of memory to the virtual machine.
+The option -mx5000m allows to give 5GB of memory to the virtual machine.
diff --git a/pom.xml b/pom.xml
index e28bef2de5fdc8a721c3ce6e995ffe1553ea4a0f..88936c208872fcfa1bcc46a06377843fef5dfc73 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,21 +6,11 @@
     <version>1.0-SNAPSHOT</version>
     <packaging>jar</packaging>
     <dependencies>
-        <!--dependency>
-            <groupId>org.apache.jena</groupId>
-            <artifactId>jena-core</artifactId>
-            <version>2.11.1</version>
-        </dependency-->
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-collections4</artifactId>
             <version>4.4</version>
         </dependency>
-        <!--dependency>
-            <groupId>org.apache.jena</groupId>
-            <artifactId>jena-arq</artifactId>
-            <version>2.11.1</version>
-        </dependency-->
         <dependency>
             <groupId>commons-cli</groupId>
             <artifactId>commons-cli</artifactId>
@@ -34,12 +24,12 @@
         <dependency>
             <groupId>fr.inrialpes.exmo.align</groupId>
             <artifactId>procalign</artifactId>
-            <version>4.8</version>
+            <version>[4.8,)</version>
         </dependency>
         <dependency>
             <groupId>org.semanticweb.owl.align</groupId>
             <artifactId>align</artifactId>
-            <version>4.8</version>
+            <version>[4.8,)</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
@@ -47,9 +37,9 @@
             <version>3.9</version>
         </dependency>
         <dependency>
-            <groupId>${project.groupId}</groupId>
+            <groupId>fr.inrialpes.exmo.ontowrap</groupId>
             <artifactId>ontowrap</artifactId>
-            <version>4.8</version>
+            <version>[4.8,)</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
@@ -80,12 +70,7 @@
             <version>8.4.1</version>
         </dependency>
     </dependencies>
-    
-
-
 
-    
-    
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>