COCI CSV dataset of all the citation data

This dataset contains all the citation data (in CSV format) included in COCI, released on the 4th of July 2018. 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).This version of the dataset contains:316,243,802 citations;45,145,889 bibliographic resources.The size of the zipped archive is 8.2 GB, while the size of the unzipped CSV file is 49 GB.Additional information about COCI can be retrieved in the official webpage and in the introductory blog post in the OpenCitations blog.

本数据集汇集了包含于COCI（开放引文标识符）之中，于2018年7月4日发布的所有引文数据（以CSV格式存储）。具体而言，CSV文件中的每一行定义了一条引文，并包含以下信息：[字段“oci”] 引文的开放引文标识符（OCI）；[字段“citing”] 引用实体的DOI；[字段“cited”] 被引用实体的DOI；[字段“creation”] 引文的创建日期（即引用实体的出版日期）；[字段“timespan”] 引文的时域（即被引用实体出版日期与引用实体出版日期之间的时间间隔）。本版数据集包含：316,243,802条引文；45,145,889个文献资源。压缩归档文件的大小为8.2GB，解压后的CSV文件大小为49GB。有关COCI的更多信息可通过官方网站及OpenCitations博客中的介绍性博客文章获取。