--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/onto-toolkit/tools/ontology/get_parent_terms_by_relationship_type.xml	Wed Apr 11 10:33:41 2012 +0200
@@ -0,0 +1,51 @@
+<tool id="get_parent_terms_by_relationship_type" name="Get the terms of a given OBO term through a concrete relationship type" version="1.22">
+  <description>Collects the terms from a given term in the given OBO ontology, filtered by a relationship type</description>
+  <command interpreter="perl">/usr/bin/get_parent_terms_by_relationship_type.pl $input_ontology $term_id $rel_id > $output</command>
+  <inputs>
+    <param format="text" name="input_ontology" type="data" label="Source file"/>
+    <param name="term_id" type="text" size="30" value="" label="Term ID" />
+    <param name="rel_id" type="text" size="30" value="" label="Rel ID" />
+  </inputs>
+  <outputs>
+    <data format="tabular" name="output" />
+  </outputs>
+
+  <tests>
+    <test>
+      <param name="input" value="pre_cco.obo"/>
+      <param name="term_id" value="CCO:B0000073"/>
+      <param name="rel_id" value="participates_in"/>
+      <output name="out_file" file="ancestors_rel_filtered.txt"/>
+    </test>
+  </tests>
+
+  <help>
+
+.. class:: infomark
+
+Collects the terms (list of IDs) from a given term (existing ID) through a given relationship type in the given OBO ontology.
+**Example**
+
+id: A 
+name: A
+A part_of B
+A part_of D
+A participates_in F
+
+Que me devuelva los padres de A along part_of, es decir B y D. 
+
+If you ask for the parent terms of **A** along along part_of you will get::
+
+  B
+  D
+
+**More information**
+
+  ONTO-PERL: An API supporting the development and analysis of bio-ontologies
+  E. Antezana; M. Egana; B. De Baets; M. Kuiper; V. Mironov
+  Bioinformatics 2008; doi: 10.1093/bioinformatics/btn042
+
+  </help>
+
+</tool>
+