POCI CSV dataset of all the citation data

This dataset contains all the citation data (in CSV format) included in POCI, released on 27 December 2022. 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 PMID of the citing entity; [field "cited"] the PMID 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: 717,654,703 citations; 26,024,862 bibliographic resources. The size of the zipped archive is 9.6 GB, while the size of the unzipped CSV file is 50 GB. Additional information about POCI at official webpage.本数据集收录了2022年12月27日发布的POCI中包含的全部CSV格式引用数据。具体而言，CSV文件的每一行均对应一条引用记录，包含以下字段： - "oci"字段：该引用的开放引用标识符（Open Citation Identifier）； - "citing"字段：引用源实体的PubMed识别号（PMID）； - "cited"字段：被引实体的PubMed识别号（PMID）； - "creation"字段：引用的创建日期，即引用源实体的发表日期； - "timespan"字段：引用的时间跨度，即被引实体与引用源实体的发表日期间隔； - "journal_sc"字段：标记该引用是否为期刊自引用，即引用源与被引实体发表于同一期刊； - "author_sc"字段：标记该引用是否为作者自引用，即引用源与被引实体至少共享一位作者。 本版本数据集共包含717,654,703条引用记录、26,024,862条书目资源。压缩归档文件大小为9.6 GB，解压后的CSV文件大小为50 GB。有关POCI的更多详细信息可查阅其官方网页。