As mentioned in Section 1.3, the intention was that Part 4 of the ISO 15926 (ISO, 2007)
ontology covering subsea equipment, would be applied to the semantic search
application created as part of this work. However, as it turned out it was impossible to
get access to a text corpus being both big enough and related to this ontology.
Therefore, we were not able to construct feature vectors (see Glossary) (i.e. there needs