CONCLUSIONS
Knowledge organization systems expressed in SKOS are available as structured data on the Web and can be used to improve Web search. In this paper, we presented a SKOS- based term expansion technique that supports both label- and URI-based term expansion either at query or docu- ment indexing-time. It keeps track of SKOS expansion types and exploits that information for scoring. Our experiments, which were conducted on two distinct dataset bundles, have