For one-sidedness of the various qualitative expansion methods, we propose a query terms selection method based on Grey Relational Analysis (GRA).We called the fusion expansion technique with GRA (FET-GRA). It calculates weight of expansion term by varied qualitative expansions and comprehensive weight by FET-GRA and thus extracts expansion term in terms of the weight. The experiment result of TREC dataset shows the method (FET-GRA) is substantially superior to TF-IDF, Mutual Information, Local Context Analysis. © Springer-Verlag Berlin Heidelberg 2013.
CITATION STYLE
Zou, J., Yu, Z., Zong, H., Guo, J., & Su, L. (2013). Grey relational analysis for query expansion. In Communications in Computer and Information Science (Vol. 400, pp. 386–393). Springer Verlag. https://doi.org/10.1007/978-3-642-41644-6_37
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