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Semantically enriched cloze exercice: Technical concept and prototype

: Bargel, Bela-Andreas; Streicher, Alexander; Szentes, Daniel; Roller, Wolfgang

Postprint urn:nbn:de:0011-n-1909290 (513 KByte PDF)
MD5 Fingerprint: 815fed82b4dba352fe5d59e6fe73a173
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Erstellt am: 5.6.2012

Abraham, A. ; Institute of Electrical and Electronics Engineers -IEEE-; IEEE Systems, Man and Cybernetics Society -SMC-:
7th International Conference on Next Generation Web Services Practices, NWeSP 2011. Proceedings : 19-21 October 2011, Salamanca, Spain
New York, NY: IEEE, 2011
ISBN: 978-1-4577-1125-1
ISBN: 978-1-4577-1126-8
International Conference on Next Generation Web Services Practices (NWeSP) <7, 2011, Salamanca>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IOSB ()
e-learning; assessment; cloze exercise; semantic web; open thesaurus; web service

In our work we describe an approach for automated and approximate evaluation of character based answers in computer-based tests. Cloze exercises ("fill-in-the-blank") are error-prone to a variety of potential error sources and are subject to syntactic and semantic ambiguities. Our approach combines string similarity measurements with semantic word analysis to render this type of computer-based exercise more robust and user-friendly. We present a working prototype for a web-based e-learning system supporting spelling correction (syntax level) and an extension to synonyms (semantic level). A community-based approach using is proposed to gather and evolve missing synonyms for given answers of cloze exercises.