Improved Distance Functions for Instance-Based Text Classification

Table 5

Comparing ISCDM and CISCDM with Bayesian-based text classifiers.

Dataset	MNB vs. ISCDM		MNB vs. CISCDM		CNB vs. ISCDM		CNB vs. CISCDM		OVA vs. ISCDM		OVA vs. CISCDM
	MNB	ISCDM	MNB	CISCDM	CNB	ISCDM	CNB	CISCDM	OVA	ISCDM	OVA	CISCDM
fbis.wc	73.81	70.60	73.81	74.02	73.56	70.60	73.56	74.02	79.17	70.60	79.17	74.02
la1s.wc	89.08	87.05	89.08	89.33	86.20	87.05	86.20	89.33	86.39	87.05	86.39	89.33
la2s.wc	89.04	87.54	89.04	89.72	87.61	87.54	87.61	89.72	87.84	87.54	87.84	89.72
oh0.wc	92.92	91.63	92.92	91.63	92.32	91.63	92.32	91.63	90.92	91.63	90.92	91.63
oh5.wc	88.78	88.02	88.78	88.02	88.46	88.02	88.46	88.02	84.97	88.02	84.97	88.02
oh10.wc	83.71	80.95	83.71	81.33	82.00	80.95	82.00	81.33	80.76	80.95	80.76	81.33
oh15.wc	86.53	85.54	86.53	85.76	85.77	85.54	85.77	85.76	81.50	85.54	81.50	85.76
ohscal.wc	75.41	74.11	75.41	76.68	77.55	74.11	77.55	76.68	76.98	74.11	76.98	76.68
re0.wc	73.87	80.12	73.87	81.18	77.47	80.12	77.47	81.18	75.15	80.12	75.15	81.18
re1.wc	81.41	84.25	81.41	85.94	78.69	84.25	78.69	85.94	72.29	84.25	72.29	85.94
tr11.wc	84.06	88.41	84.06	90.10	84.52	88.41	84.52	90.10	80.17	88.41	80.17	90.10
tr12.wc	94.89	92.01	94.89	91.69	86.92	92.01	86.92	91.69	76.67	92.01	76.67	91.69
tr21.wc	74.40	93.75	74.40	93.15	85.09	93.75	85.09	93.15	80.03	93.75	80.03	93.15
tr23.wc	56.86	92.16	56.86	92.16	80.95	92.16	80.95	92.16	85.38	92.16	85.38	92.16
tr31.wc	92.77	94.39	92.77	96.44	97.19	94.39	97.19	96.44	94.71	94.39	94.71	96.44
tr41.wc	91.00	90.89	91.00	94.08	92.15	90.89	92.15	94.08	89.30	90.89	89.30	94.08
tr45.wc	84.93	90.43	84.93	92.61	87.25	90.43	87.25	92.61	82.17	90.43	82.17	92.61
wap.wc	82.76	81.67	82.76	83.72	76.60	81.67	76.60	83.72	73.91	81.67	73.91	83.72
Average	83.13	86.31	83.13	87.65	84.46	86.31	84.46	87.65	82.13	86.31	82.13	87.65
Better	11	7	5	13	9	9	6	12	4	14	2	16
Sig Better	6	6	1	9	3	8	1	10	2	10	1	13