Table 1 Number of scientific references, by piece of information.

From: A dataset of scientific citations in U.S. patent Office Actions

 

Count

Percent

title

190,610

72.26

author_id

203,569

77.18

journal_id

97,354

36.91

year

238,716

90.5

volume

170,689

64.71

issue

54,799

20.78

first_page

166,744

63.22

last_page

166,744

63.22

meta_data

79,234

30.04

title_and_or_meta_data

215,338

81.64

  1. Note 1: N = 263,767.
  2. Note 2: ‘meta_data’ refers to a citation having first author_id, journal_id, publication year, and at least one of: volume number, issue number, first_page number, or last_page number.
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