What is metadata? Module 1. The Voyager Space Programme In 1977 NASA launched 2 Voyager spacecraft Their mission – to send back scientific information.

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Presentation transcript:

What is metadata? Module 1

The Voyager Space Programme In 1977 NASA launched 2 Voyager spacecraft Their mission – to send back scientific information about deep space Voyager 1 is now farther away from earth than any man-made object has ever been

Aliens In case the Voyagers were found by aliens, each craft containing greetings in many languages, films and pictures and sounds of earth

But… How would an alien even know what a record was? How would they even know how to play it? The answer is METADATA

The Voyager Gold Records On the cover of the record are eight diagrams they explain: 1. The speed the record should play at

The Voyager Gold Records On the cover of the record are eight diagrams they explain: 2. The position (horizontal)

The Voyager Gold Records On the cover of the record are eight diagrams they explain: 3. The types of video waves on the record

The Voyager Gold Records On the cover of the record are eight diagrams they explain: 4. What the first video frame should look like

The Voyager Gold Records On the cover of the record are eight diagrams they explain: 5. Where our sun is located

The Voyager Gold Records On the cover of the record are eight diagrams they explain: 6. Where the time-code on the recordings should be de-coded

Metadata All this information is metadata, or data about data. Other examples of metadata are:

Metadata

All this information is metadata, or data about data. Other examples of metadata are:

Metadata All this information is metadata, or data about data. Other examples of metadata are:

Metadata

Dataset Metadata

Why Have Metadata?

Examples of Using Metadata on the Web

Metadata and Your Stuff

Examples of Using Metadata on the Web

Why should you create metadata for your work? Your work will be more readily available because: -It’s easier to find -It’s clear who created it -It’s easy for others to cite in their publications -If everybody creates metadata, you save time and money too! It also meets the requirements of some funding bodies to make your work readily available for others.

Metadata is data about data! More information about metadata is available on the internet. The Wikipedia definition of metadata is extensive and includes likes to other resources An introduction to metadata produced by the UK Office for Library and Information Networking (UKONLINE) 41/briefing-41-A4.doc Michael Day’s article Metadata in a nutshell is a good, brief introduction to metadata and metadata standards.

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