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Table 7

Classification results on CLEF-IP 2010 French and German abstracts, with ranges for 95% confidence intervals.

		P	R	F1
French	unigrams	70.65% ± 0.68	61.40% ± 0.73	65.70% ± 0.70
French	unigrams + bigrams	72.31% ± 0.67	62.58% ± 0.72	67.09% ± 0.69
German	unigrams	76.44% ± 0.34	65.82% ± 0.38	70.73% ± 0.37
German	unigrams + bigrams	76.39% ± 0.34	65.41% ± 0.38	70.47% ± 0.37

		P	R	F1
French	unigrams	70.65% ± 0.68	61.40% ± 0.73	65.70% ± 0.70
French	unigrams + bigrams	72.31% ± 0.67	62.58% ± 0.72	67.09% ± 0.69
German	unigrams	76.44% ± 0.34	65.82% ± 0.38	70.73% ± 0.37
German	unigrams + bigrams	76.39% ± 0.34	65.41% ± 0.38	70.47% ± 0.37