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  2. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    PDF's emphasis on preserving the visual appearance of documents across different software and hardware platforms poses challenges to the conversion of PDF documents to other file formats and the targeted extraction of information, such as text, images, tables, bibliographic information, and document metadata. Numerous tools and source code ...

  3. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    List of file signatures. This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible.

  4. PDF/A - Wikipedia

    en.wikipedia.org/wiki/PDF/A

    PDF is a standard for encoding documents in an "as printed" form that is portable between systems. However, the suitability of a PDF file for archival preservation depends on options chosen when the PDF is created: most notably, whether to embed the necessary fonts for rendering the document; whether to use encryption; and whether to preserve additional information from the original document ...

  5. APA style - Wikipedia

    en.wikipedia.org/wiki/APA_style

    v. t. e. APA style (also known as APA format) is a writing style and format for academic documents such as scholarly journal articles and books. It is commonly used for citing sources within the field of behavioral and social sciences, including sociology, education, nursing, criminal justice, anthropology, and psychology.

  6. EPUB - Wikipedia

    en.wikipedia.org/wiki/EPUB

    EPUB is an e-book file format that uses the ".epub" file extension. The term is short for electronic publication and is sometimes stylized as ePUB. EPUB is supported by many e-readers, and compatible software is available for most smartphones, tablets, and computers. EPUB is a technical standard published by the International Digital Publishing ...

  7. RIS (file format) - Wikipedia

    en.wikipedia.org/wiki/RIS_(file_format)

    The RIS file format —two letters, two spaces and a hyphen—is a tagged format for expressing bibliographic citations. According to the specifications, [ 3][ 4][ 5] the lines must end with the ASCII carriage return and line feed characters. Note that this is the convention on Microsoft Windows, while in other contemporary operating systems ...

  8. Digital object identifier - Wikipedia

    en.wikipedia.org/wiki/Digital_object_identifier

    Digital object identifier. A digital object identifier ( DOI) is a persistent identifier or handle used to uniquely identify various objects, standardized by the International Organization for Standardization (ISO). [ 1] DOIs are an implementation of the Handle System; [ 2][ 3] they also fit within the URI system ( Uniform Resource Identifier ).

  9. Document file format - Wikipedia

    en.wikipedia.org/wiki/Document_file_format

    A document file format is a text or binary file format for storing documents on a storage media, especially for use by computers . There currently exist a multitude of incompatible document file formats. Examples of XML -based open standards are DocBook, XHTML, and, more recently, the ISO / IEC standards OpenDocument (ISO 26300:2006) and Office ...