This article is cited in 1 scientific paper (total in 1 paper)
Topic categorization based on collectives of term weighting methods for natural language call routing
Roman B. Sergienkoa, Muhammad Shana, Wolfgang Minkera, Eugene S. Semenkinb
a Institute of Telecommunication Engineering, Ulm University,
Albert-Einstein-Allee, 43, Ulm, 89081, Germany
b Informatics and Telecommunications Institute, Siberian State Aerospace University, Krasnoyarskiy Rabochiy, 31, Krasnoyarsk, 660037, Russia
Natural language call routing is an important data analysis problem which can be applied in different domains including airspace industry. This paper presents the investigation of collectives of term weighting methods for natural language call routing based on text classification. The main idea is that collectives of different term weighting methods can provide classification effectiveness improvement with the same classification algorithm. Seven different unsupervised and supervised term weighting methods were tested and compared with each other for classification with k-NN. After that different combinations of term weighting methods were formed as collectives. Two approaches for the handling of the collectives were considered: the meta-classifier based on the rule induction and the majority vote procedure. The numerical experiments have shown that the best result is provided with the vote of all seven different term weighting methods. This combination provides a significant increasing of classification effectiveness in comparison with the most effective term weighting methods.
natural language call routing, text classification, term weighting.
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Received in revised form: 11.01.2016
Roman B. Sergienko, Muhammad Shan, Wolfgang Minker, Eugene S. Semenkin, “Topic categorization based on collectives of term weighting methods for natural language call routing”, J. Sib. Fed. Univ. Math. Phys., 9:2 (2016), 235–245
Citation in format AMSBIB
\by Roman~B.~Sergienko, Muhammad~Shan, Wolfgang~Minker, Eugene~S.~Semenkin
\paper Topic categorization based on collectives of term weighting methods for natural language call routing
\jour J. Sib. Fed. Univ. Math. Phys.
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