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metadata    
元數據

元數據

metadata
解釋用資料;元數據

metadata
n 1: data about data; "a library catalog is metadata because it
describes publications"

/me't*-day`t*/, or combinations of /may'-/ or
(Commonwealth) /mee'-/; /-dah`t*/ (Or "meta-data") Data about
{data}. In {data processing}, metadata is definitional data
that provides information about or documentation of other data
managed within an application or environment.

For example, metadata would document data about {data
elements} or {attributes}, (name, size, data type, etc) and
data about {records} or {data structures} (length, fields,
columns, etc) and data about data (where it is located, how it
is associated, ownership, etc.). Metadata may include
descriptive information about the context, quality and
condition, or characteristics of the data.

A collection of metadata, e.g. in a {database}, is called a
{data dictionary}.

Myers of {The Metadata Company} claims to have coined the term
in 1969 though it appears in the book, "Extension of
programming language concepts" published in 1968, by {Philip
R. Bagley}. Bagley was a pioneer of computer document
retrieval. "A survey of extensible programming languages" by
Solntsseff and Yezerski (Annual Review in Automatic
Programming, 1974, pp267-307) cites "the notion of 'metadata'
introduced by Bagley".

(2010-05-15)

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英文字典中文字典相關資料:
  • Metadata - Wikipedia
    For example, the title, author, and publication date of a book are metadata about the book But, while a data asset is finite, its metadata is infinite As such, efforts to define, classify types, or structure metadata are expressed as examples in the context of its use
  • What is Metadata? - GeeksforGeeks
    Metadata refers to data that provides information about other data It describes the structure, content and characteristics of a file, document, image or dataset, helping users and systems understand and manage data more effectively
  • What is Metadata (with examples) - Data terminology
    Relational databases (most common type of database) store and provide access not only data but also metadata in a structure called data dictionary or system catalog
  • What Is Metadata: Definition, Types, Uses | Salesforce
    Metadata is structured data that describes, explains, or provides context for other data Metadata is data about your data, which can help you efficiently search for information in a database or data platform
  • Metadata | Definition, Examples, Standards | Britannica
    Metadata allows for the easy retrieval, management, and use of data It can be collected for any type of data, from the content of ancient scrolls to that of modern websites, and it can relate to any informational aspect of data, such as its origin, location, format, or quality
  • What is Metadata? A Guide to Understanding Data About Data
    Metadata is often described as “data about data,” providing information about a data item, file, or collection that helps us understand, find, and use it effectively
  • What is Metadata and Why Do We Need It? - lisedunetwork. com
    Metadata can be described as “data about data,” a structured way of describing and providing context to information so that it can be better understood, organized, and retrieved
  • What Is Metadata? | Metadata2Go
    Discover what metadata is, its types, and why it is crucial for organizing and protecting your digital files Learn how metadata improves data management and privacy
  • Online EXIF Metadata Viewer for Images, PDFs, Videos
    View metadata in images, PDFs, Office documents, and videos online Inspect EXIF, GPS, timestamps, and file data with a fast, free metadata viewer





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