Math Indexer and Searcher under the Hood: Fine-Tuning Query Expansion and Unification Strategies

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Authors

RŮŽIČKA Michal SOJKA Petr LÍŠKA Martin

Year of publication 2016
Type Article in Proceedings
Conference Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies
MU Faculty or unit

Faculty of Informatics

Citation
Web
Field Informatics
Keywords similarity search; math information retrieval; MIaS; evaluation; MathML; query expansion
Description This paper summarizes the experience of Math Information Retrieval team of Masaryk University (MIRMU) with the NTCIR-12 MathIR arXiv Main Task and its subtasks. We based our approach on the MIaS system. Based on NTCIR-11 Math-2 Task relevance judgements, we developed an evaluation platform. Using this platform we rigorously evaluated combinations of new features and picked the most promising ones for the NTCIR-12 evaluation. The new features tested are mostly aimed at further canonicalizing MathML input, structurally unifying formulae for syntactic-based similarity search and query expansion when combining text and math query terms.
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