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Metadata engines virtualize the view of data. Combined with client access protocols such as NFS v4.2 and SMB 2.1 or SMB 3.0 (Samba), a metadata engine can create a global namespace to allow applications to see a logical view of their data, and can orchestrate data movement between different types or tiers of storage without disrupting the application's access to its data.
For software engineering, several types of models (and their corresponding modeling activities) can be distinguished: Metadata modeling (MetaData model) Meta-process modeling (MetaProcess model) Executable meta-modeling (combining both of the above and much more, as in the general purpose tool Kermeta) Model transformation language (see below)
Command-line tools, Embeddable in web pages, Eclipse Input or export can be by diagram or Umple textual form, separation of concerns (aspects, traits, mixins), embeds action code in Java and other languages, written in itself, documentation generation, plugin architecture for generators
Metadata modeling is a type of metamodeling used in software engineering and systems engineering for the analysis and construction of models applicable to and useful for some predefined class of problems.
ExifTool is a free and open-source software program for reading, writing, and manipulating image, audio, video, and PDF metadata.As such, ExifTool classes as a tag editor.It is platform independent, available as both a Perl library (Image::ExifTool) and a command-line application.
Most common types of computer files can embed metadata, including documents, (e.g. Microsoft Office files, OpenDocument files, PDF) images, (e.g. JPEG, PNG) Video files, (e.g. AVI, MP4) and audio files. (e.g. WAV, MP3) Metadata may be added to files by users, but some metadata is often automatically added to files by authoring applications or ...
Model-driven architecture (MDA) is a software design approach for the development of software systems. It provides a set of guidelines for the structuring of specifications, which are expressed as models. Model Driven Architecture is a kind of domain engineering, and supports model-driven engineering of software systems.
Cross-platform file tagging standards include Extensible Metadata Platform (XMP), an ISO standard for embedding metadata into popular image, video and document file formats, such as JPEG and PDF, without breaking their readability by applications that do not support XMP. [31] XMP largely supersedes the earlier IPTC Information Interchange Model.