Query Matching Evaluation in an Infobot for University Admissions Processing

Authors Peter Hancox, Nikolaos Polatidis

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Peter Hancox
Nikolaos Polatidis

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Peter Hancox and Nikolaos Polatidis. Query Matching Evaluation in an Infobot for University Admissions Processing. In 1st Symposium on Languages, Applications and Technologies. Open Access Series in Informatics (OASIcs), Volume 21, pp. 149-161, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2012)


"Infobots" are small-scale natural language question answering systems drawing inspiration from ELIZA-type systems. Their key distinguishing feature is the extraction of meaning from users' queries without the use of syntactic or semantic representations. Two approaches to identifying the users' intended meanings were investigated: keyword-based systems and Jaro-based string similarity algorithms. These were measured against a corpus of queries contributed by users of a WWW-hosted infobot for responding to questions about applications to MSc courses. The most effective system was Jaro with stemmed input (78.57%). It also was able to process ungrammatical input and offer scalability.
  • chatbot
  • infobot
  • question-answering
  • Jaro string similarity
  • Jaro-Winkler string similarity


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