Imagine that you have created an introduction capable of contextualizing the subject in a clear and orderly way and that you have, therefore, raised in the reader the uncontrollable urge to read your article. Of course, the reader appears to be hooked. But beware. The reader seems to be a slippery fish that, even when apparently hooked, can escape at any time. Say that you went further and offe...

Schema matching is the process of establishing correspondences between the attributes of database schemas for data integration purposes. Although several automatic schema matching tools have been developed, their results are often incomplete or erroneous. To obtain a correct set of correspondences, usually human effort is required to validate the generated correspondences. This validation proce...

In this paper we propose ontology-based improvement of the Croatian Web directory search mechanism, which is currently not capable of executing queries that take into account the structure and semantics of user’s query. The proposed approach is verified by introducing an ontology in the domain (directory category) of “tourism”. We address three problems related to the search mechanism: low reca...

Search result diversification has attracted considerable attention as a means of improving the quality of results retrieved by user queries. In this demonstration, we presentPoikilo, a tool to assist users in locating and evaluating diverse results. We provide implementations of a wide suite of models and algorithms to compute and compare diverse results. Users can tune various diversification ...