COCI CSV dataset of all the citation data

This dataset contains all the citation data (in CSV format) included in COCI, released on 23 January 2023. In particular, each line of the CSV file defines a citation, and includes the following information: [field "oci"] the Open Citation Identifier (OCI) for the citation; [field "citing"] the DOI of the citing entity; [field "cited"] the DOI of the cited entity; [field "creation"] the creation date of the citation (i.e. the publication date of the citing entity); [field "timespan"] the time span of the citation (i.e. the interval between the publication date of the cited entity and the publication date of the citing entity); [field "journal_sc"] it records whether the citation is a journal self-citations (i.e. the citing and the cited entities are published in the same journal); [field "author_sc"] it records whether the citation is an author self-citation (i.e. the citing and the cited entities have at least one author in common). This version of the dataset contains: 1,463,920,523 citations; 77,045,952 bibliographic resources. The size of the zipped archive is 37.5 GB, while the size of the unzipped CSV file is 238.5 GB. Additional information about COCI can be found at the official webpage.本数据集包含2023年1月23日发布的COCI中的所有引用数据（格式为CSV）。具体而言，该CSV文件的每一行均定义一条引用记录，并包含如下信息：[字段"oci"] 对应该引用的开放引用标识符（Open Citation Identifier, OCI）；[字段"citing"] 引用源实体的数字对象标识符（Digital Object Identifier, DOI）；[字段"cited"] 被引实体的数字对象标识符（Digital Object Identifier, DOI）；[字段"creation"] 引用创建日期，即引用源实体的发表日期；[字段"timespan"] 引用时间跨度，即被引实体发表日期与引用源实体发表日期之间的时间间隔；[字段"journal_sc"] 用于记录该引用是否为期刊自引，即引用源实体与被引实体发表于同一期刊；[字段"author_sc"] 用于记录该引用是否为作者自引，即引用源实体与被引实体至少共享一位作者。本版本数据集共包含1,463,920,523条引用记录与77,045,952条书目资源。压缩归档文件大小为37.5 GB，解压后的CSV文件大小则为238.5 GB。有关COCI的更多详细信息，可访问其官方网页获取。