Research Article
From Topic Networks to Distributed Cognitive Maps: Zipfian Topic Universes in the Area of Volunteered Geographic Information
Table 7
F-scores of classifying ATNs into five classes (CITIES, REGIONS, OTHERS, WP-REGIO-1, and WP-OTHERS-1) by means of SVMs using RBF kernels.
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Column “all”: F-scores using all features in terms of the respective similarity measure. Column “opt”: using a subset of features detected according to a genetic search. Column “ext”: subset selection according to extended genetic optimization. Additionally, F-scores of random baselines B1, B2, B3, and B4 are displayed, in the latter three cases differentiated for the variants all and opt. |