Table 1.

Cosine similarity between within patent family pairs

CountryMeanSDMin25%50%75%Max
US0.970.050.250.991.001.001.00
CN0.950.070.530.920.980.991.00
USCN0.970.050.280.960.991.001.00
US*0.950.100.140.991.001.001.00
CN*0.890.140.240.840.970.991.00
USCN*0.940.100.110.940.981.001.00

Note:

(*) denoted the results of TF-IDF weighted document embedding

Source: Created by authors

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