Table 3. An example of the TF-IDF value...

Table 3.

An example of the TF-IDF value of Mingguangcun station in Beijing

No.	POI type	TF value	IDF value	TF-IDF weight	Weighting %
1	Real estate	0.231735	0.364663	0.084505	27.067700
2	Corporate enterprise	0.134703	0.370277	0.049878	15.976200
3	Education	0.111872	0.405578	0.045373	14.533300
4	Government agencies	0.076484	0.386730	0.029579	9.474300
5	Restaurant	0.057078	0.404266	0.023075	7.391000
6	Life services	0.045662	0.380900	0.017393	5.571000
7	Finance	0.023973	0.521276	0.012496	4.002700
8	Entrance/exit	0.222603	0.041496	0.009237	2.958700
9	Shopping	0.019406	0.409978	0.007956	2.548400
10	Hotel	0.012557	0.528769	0.006640	2.126800
11	Media	0.009132	0.534033	0.004877	1.562100
12	Tourist attractions	0.007991	0.529933	0.004235	1.356400
13	Transportation facilities	0.009132	0.366660	0.003348	1.072500
14	Medical	0.006849	0.463070	0.003172	1.015900
15	Recreation	0.005708	0.469616	0.002680	0.858600
16	Beauty	0.004566	0.520705	0.002378	0.761600
17	Administrative landmark	0.004566	0.480403	0.002194	0.702600
18	Sports	0.013699	0.129088	0.001768	0.566400
19	Gate address	0.001142	0.654678	0.000747	0.239400
20	Auto service	0.001142	0.586512	0.000670	0.214500
21	Natural features	0.000000	0.997256	0.000000	0.000000

No.	POI type	TF value	IDF value	TF-IDF weight	Weighting %
1	Real estate	0.231735	0.364663	0.084505	27.067700
2	Corporate enterprise	0.134703	0.370277	0.049878	15.976200
3	Education	0.111872	0.405578	0.045373	14.533300
4	Government agencies	0.076484	0.386730	0.029579	9.474300
5	Restaurant	0.057078	0.404266	0.023075	7.391000
6	Life services	0.045662	0.380900	0.017393	5.571000
7	Finance	0.023973	0.521276	0.012496	4.002700
8	Entrance/exit	0.222603	0.041496	0.009237	2.958700
9	Shopping	0.019406	0.409978	0.007956	2.548400
10	Hotel	0.012557	0.528769	0.006640	2.126800
11	Media	0.009132	0.534033	0.004877	1.562100
12	Tourist attractions	0.007991	0.529933	0.004235	1.356400
13	Transportation facilities	0.009132	0.366660	0.003348	1.072500
14	Medical	0.006849	0.463070	0.003172	1.015900
15	Recreation	0.005708	0.469616	0.002680	0.858600
16	Beauty	0.004566	0.520705	0.002378	0.761600
17	Administrative landmark	0.004566	0.480403	0.002194	0.702600
18	Sports	0.013699	0.129088	0.001768	0.566400
19	Gate address	0.001142	0.654678	0.000747	0.239400
20	Auto service	0.001142	0.586512	0.000670	0.214500
21	Natural features	0.000000	0.997256	0.000000	0.000000

Source: Created by authors

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