diff --git a/html/lib.html b/html/lib.html
index 2eaf98b34748219541b17f6585f05a6cb71bac51..004854efcc00b2b404bd02472b1e17a52af265e1 100644
--- a/html/lib.html
+++ b/html/lib.html
@@ -44,15 +44,10 @@ This is a simplified view: <a href="img/dependencies.png">click here
     [<a href="http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html">LGPL</a>]</dt>
 <dd>Gnu library for parsing command line arguments. Required
   everywhere (included by OWL-API).</dd>
-<dt><a href="http://logging.apache.org/log4j">Apache Log4J</a> 1.2.15
-  &amp; <a href="http://jakarta.apache.org/commons/logging/">Jakarta
-    Commons Logging</a> 1.1.1:
-  log4j.jar commons-logging.jar
-  [<a href="http://www.apache.org/licenses/LICENSE-2.0.html">Apache</a>]
- slf4j-api.jar (1.5.6) slf4j-log4j.jar [<a href="http://www.slf4j.org/license.html">MIT license</a>??]
+<dt><a href="http://www.slf4j.org/">SLF4J</a> 1.7.2:
+ slf4j-api.jar log4j-over-slf4j.jar jcl-over-slf4j.jar [<a href="http://www.slf4j.org/license.html">MIT license</a>]
 </dt>
-<dd>Required by OWL-API, jwnl, Jena for the last two ones... if someone
-  could clear the mess with loggers in Java, you are welcome!</dd>
+<dd>At last some clean-up in the Java logging realm.</dd>
 </dl>
 
 <h3>Required for using EDOAL</h3>
diff --git a/lib/slf4j/jcl-over-slf4j.jar b/lib/slf4j/jcl-over-slf4j.jar
new file mode 100644
index 0000000000000000000000000000000000000000..63888dc94b49d1608e89d797baab17757319d91b
Binary files /dev/null and b/lib/slf4j/jcl-over-slf4j.jar differ
diff --git a/lib/slf4j/jcl-over-slf4j.pom b/lib/slf4j/jcl-over-slf4j.pom
new file mode 100644
index 0000000000000000000000000000000000000000..e0dc88161d9ac46e18ea325b66af62d0b79168eb
--- /dev/null
+++ b/lib/slf4j/jcl-over-slf4j.pom
@@ -0,0 +1,28 @@
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.slf4j</groupId>
+    <artifactId>slf4j-parent</artifactId>
+    <version>1.7.2</version>
+  </parent>
+  <groupId>org.slf4j</groupId>
+  <artifactId>jcl-over-slf4j</artifactId>
+  <packaging>jar</packaging>
+  <name>Java Commons Logging over SLF4J Module</name>
+  <organization>
+    <name>QOS.ch</name>
+    <url>http://www.qos.ch</url>
+  </organization>
+  <inceptionYear>2005</inceptionYear>
+  <!-- Copyright (c) 2004-2011 QOS.ch -->
+  <licenses>
+    <license>
+      <name>MIT License</name>
+      <url>http://www.opensource.org/licenses/mit-license.php</url>
+    </license>
+  </licenses>
+  <url>http://www.slf4j.org</url>
+  <description>Implements the Java Commons Logging on top of SLF4J</description>
+  <dependencies />
+
+</project>
diff --git a/lib/slf4j/log4j-over-slf4j.jar b/lib/slf4j/log4j-over-slf4j.jar
new file mode 100644
index 0000000000000000000000000000000000000000..cd04c46a124f2c17e71125e5a7e452b5bb199b9e
Binary files /dev/null and b/lib/slf4j/log4j-over-slf4j.jar differ
diff --git a/lib/slf4j/log4j-over-slf4j.pom b/lib/slf4j/log4j-over-slf4j.pom
new file mode 100644
index 0000000000000000000000000000000000000000..c6d113c5c4b8fb6de6036bfdc1144e676d4c78e3
--- /dev/null
+++ b/lib/slf4j/log4j-over-slf4j.pom
@@ -0,0 +1,28 @@
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.slf4j</groupId>
+    <artifactId>slf4j-parent</artifactId>
+    <version>1.7.2</version>
+  </parent>
+  <groupId>org.slf4j</groupId>
+  <artifactId>log4j-over-slf4j</artifactId>
+  <packaging>jar</packaging>
+  <name>Log4j over SLF4J Module</name>
+  <organization>
+    <name>QOS.ch</name>
+    <url>http://www.qos.ch</url>
+  </organization>
+  <inceptionYear>2005</inceptionYear>
+  <!-- Copyright (c) 2004-2011 QOS.ch -->
+  <licenses>
+    <license>
+      <name>MIT License</name>
+      <url>http://www.opensource.org/licenses/mit-license.php</url>
+    </license>
+  </licenses>
+  <url>http://www.slf4j.org</url>
+  <description>Implements the Java Commons Logging on top of SLF4J</description>
+  <dependencies />
+
+</project>
diff --git a/lib/slf4j/slf4j-api.jar b/lib/slf4j/slf4j-api.jar
new file mode 100644
index 0000000000000000000000000000000000000000..73f38db9ce6973b8247c2cf267a5fd4a1464c7b3
Binary files /dev/null and b/lib/slf4j/slf4j-api.jar differ
diff --git a/lib/slf4j/slf4j-api.pom b/lib/slf4j/slf4j-api.pom
new file mode 100644
index 0000000000000000000000000000000000000000..6e069f09a69a5d02e202eaed856c14d6c69ba69d
--- /dev/null
+++ b/lib/slf4j/slf4j-api.pom
@@ -0,0 +1,28 @@
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.slf4j</groupId>
+    <artifactId>slf4j-parent</artifactId>
+    <version>1.7.2</version>
+  </parent>
+  <groupId>org.slf4j</groupId>
+  <artifactId>slf4j-api</artifactId>
+  <packaging>jar</packaging>
+  <name>SLF4J API Module</name>
+  <organization>
+    <name>QOS.ch</name>
+    <url>http://www.qos.ch</url>
+  </organization>
+  <inceptionYear>2005</inceptionYear>
+  <!-- Copyright (c) 2004-2011 QOS.ch -->
+  <licenses>
+    <license>
+      <name>MIT License</name>
+      <url>http://www.opensource.org/licenses/mit-license.php</url>
+    </license>
+  </licenses>
+  <url>http://www.slf4j.org</url>
+  <description>The slf4j API</description>
+  <dependencies />
+
+</project>