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日发布的开放引文索引（COCI）所收录的全部CSV格式引文数据。具体而言，该CSV文件的每一行均对应一条引文，并包含以下字段信息：字段"oci"：该引文的开放引文标识符（Open Citation Identifier，OCI）；字段"citing"：引用实体的数字对象标识符（DOI）；字段"cited"：被引实体的数字对象标识符（DOI）；字段"creation"：引文创建日期，即引用实体的出版日期；字段"timespan"：引文时间跨度，即被引实体出版日期与引用实体出版日期之间的时间间隔；字段"journal_sc"：该字段用于标识该引文是否为期刊自引，即引用实体与被引实体发表于同一期刊；字段"author_sc"：该字段用于标识该引文是否为作者自引，即引用实体与被引实体存在至少一位共同作者。本版本数据集共收录1463920523条引文，涉及77045952条书目资源。压缩包大小为37.5 GB，解压后的CSV文件大小为238.5 GB。有关COCI的更多信息可访问其官方网页获取。