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Crossref is an official Digital Object Identifier (DOI) Registration Agency of the International DOI Foundation. It was launched in early 2000 as a cooperative effort among publishers to enable persistent cross-publisher citation linking in online academic journals.〔(【引用サイトリンク】publisher=Crossref.org )〕 Crossref is the common name used by the Publishers International Linking Association (PILA).〔(【引用サイトリンク】url=http://www.crossref.org/02publishers/59pub_rules.html )〕 ==Background== Crossref is a not-for-profit association of about 2000 voting member publishers who represent 4300 societies and publishers, including both commercial and not-for-profit organizations. Crossref includes publishers with varied business models, including those with both open access and subscription policies. Crossref does not provide a database of fulltext scientific content. Rather, it facilitates the links between distributed content hosted at other sites. Crossref interlinks millions of items from a variety of content types, including journals, books, conference proceedings, working papers, technical reports, and data sets. Linked content includes materials from Scientific, Technical and Medical (STM) and Social Sciences and Humanities (SSH) disciplines. The expense is paid for by Crossref Member publishers. Crossref provides the technical and business infrastructure to provide for this reference linking using Digital Object Identifiers (DOIs). Crossref provides deposit and query service for its DOIs. In addition to the DOI technology linking scholarly references, Crossref enables a common linking contract among its participants. Members agree to assign DOIs to their current journal content and they also agree to link from the references of their content to other publishers' content. This reciprocity is an important component of what makes the system work. Non-publisher organizations can participate in Crossref by becoming affiliates. Such organizations include libraries, online journal hosts, linking service providers, secondary database providers, search engines and providers of article discovery tools. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「CrossRef」の詳細全文を読む スポンサード リンク
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