Keyword-Based Semantic Search Engine Koios++

Björn Forcher; Andreas Giloj; Erich Weichselgartner
In: Proceedings of the ISWC 2014 Posters & Demonstrations Track, a track within the 13th International Semantic Web Conference. International Semantic Web Conference (ISWC-14), 13th, October 21, Riva del Garda, Italy, Pages 241-244, Springer, 2014.


In this paper, we describe the keyword-based semantic search engine KOIOS++ which interprets the keywords and computes a set of SPARQL queries. The special feature of KOIOS++ is that it leverages not only the class hierarchy but also the property hierarchy. The algo- rithm and data structures of KOIOS++ are based on a well-established approach that we extended by minor adjustments of the data structures and a sophisticated weighting strategy.

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