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Developers of database schemas, program-name terminology and ontologies may apply a common set of labeling conventions for naming representational entities in their representational artefacts, i.e. conventions outlined or endorsed by terminology-regulatory bodies or by policy providers such as ISO or the OBO Foundry.
This is the reference to the image file. All references are managed via relationships. For example, a document.xml has a relationship to the image. There is a _rels directory in the same directory as document.xml, inside _rels is a file called document.xml.rels. In this file there will be a relationship definition that contains type, ID and ...
extension – may indicate the format of the file (e.g. .txt for plain text, .pdf for Portable Document Format, .dat for unspecified binary data, etc.) The components required to identify a file by utilities and applications varies across operating systems, as does the syntax and format for a valid filename.
ISO/IEC IS 29500-1:2012—Office Open XML File Formats [1] OASIS Open Document Format for Office Applications (OpenDocument) v1.3 Latest ISO/IEC standardised version ISO/IEC IS 29500-1:2012—Office Open XML File Formats [1] ISO/IEC IS 26300-1:2015—Open Document Format for Office Applications (OpenDocument) v1.2 [2] Language type Markup language
Office Open XML (OOXML) format was introduced with Microsoft Office 2007 and became the default format of Microsoft Excel ever since. Excel-related file extensions of this format include:.xlsx – Excel workbook.xlsm – Excel macro-enabled workbook; same as xlsx but may contain macros and scripts.xltx – Excel template.xltm – Excel macro ...
The Open Packaging Conventions (OPC) is a container-file technology initially created by Microsoft to store a combination of XML and non-XML files that together form a single entity such as an Open XML Paper Specification (OpenXPS) document. OPC-based file formats combine the advantages of leaving the independent file entities embedded in the ...
A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [24]
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 ...