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diff --git a/src/main/scala/rsacomb/Main.scala b/src/main/scala/rsacomb/Main.scala
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+package rsacomb
+
+/* Java imports */
+import java.io.File
+
+/* Local imports */
+import rsacomb.RSA._
+
+object RSAComb {
+
+  val help: String = """
+    rsacomb - combined approach for CQ answering for RSA ontologies.
+
+    USAGE
+      rsacomb <path/to/ontology.owl> <path/to/query.sparql>
+
+    where
+      the ontology is expected to be an OWL file and the (single)
+      query a SPARQL query file.
+  """
+
+  def main(args: Array[String]): Unit = {
+
+    /* Simple arguments handling
+     *
+     * TODO: use something better later on
+     */
+
+    if (args.length < 2) {
+      println(help)
+      return ()
+    }
+
+    val ontoPath = new File(args(0))
+    val queryPath = new File(args(1))
+
+    if (!ontoPath.isFile || !queryPath.isFile) {
+      println("The provided arguments are not regular files.\n\n")
+      println(help)
+      return ()
+    }
+
+    /* Create RSA object from generic OWLOntology
+     *
+     * TODO: It might be required to check if the ontology in input is
+     * Horn-ALCHOIQ. At the moment we are assuming this is always the
+     * case.
+     */
+
+    val ontology = RSA.loadOntology(ontoPath)
+    ontology.isRSA
+
+    /* Build canonical model */
+    //val tboxCanon = rsa.canonicalModel()
+
+    /* Load query */
+    //val query = ...
+
+    /* Compute the filtering program from the given query */
+    //val tboxFilter = rsa.filteringProgram(query)
+
+    /* ... */
+
+    /* DEBUG ONLY */
+    println("Ok!")
+  }
+}
+
+/* Notes:
+ *
+ * To establish a connection with a local RDFox instance, do the
+ * following:
+ *
+ * ```
+ * val serverConnection : ServerConnection = ConnectionFactory.newServerConnection("rdfox:local", "", "")
+ * serverConnection.createDataStore("test","seq",new HashMap())
+ * val dataStoreConnection : DataStoreConnection = serverConnection.newDataStoreConnection("test")
+ * dataStoreConnection.importData(
+ *    UpdateType.ADDITION,
+ *    Prefixes.s_emptyPrefixes,
+ *    new File("./path/to/file")
+ * )
+ * ```
+ */