An Effective News Recommendation Method for Microblog User

Table 2

Recommendation Micro-F1 (Top@30) of different time periods for different classification based systems.

Range; (Y.M)	#	NB	Cheng	Z.Guo	NEMAH
09.08-09.08	4,239	0.204	0.242	0.270	0.351
09.10–09.12	37,910	0.206	0.254	0.268	0.364
10.01–10.06	75,047	0.227	0.289	0.297	0.403
10.07–11.07	151,995	0.198	0.271	0.274	0.371
09.08–12.08	280,737	0.210	0.273	0.284	0.383

Remark: ^#denotes the number of news articles. Time range 09.08 denotes August, 2009.