an short introduction to metadata

Research & Development

A short introduction to metadataTristan Ferne BBC R&D

@tristanfhttp://www.bbc.co.uk/rd

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Summary

What metadata is

What it is for

What it looks like

How to create it

Putting it on the web

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What is metadata?

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Information about something, usually structured

In this case, information about the thing you’re digitising

For humans or computers

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A book

Title

Author

Date of publication

ISBN identifier

Dewey Decimal Number (on a library)

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And more...

Edition

Publisher

Publisher’s description

Reviews

Cover picture

Price

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What is metadata for?

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To find things

To identify things

To list things

To link things to other things

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What does metadata look like?

Creator

Location

Tags

Camera info

Date

Views

Licensing

Title and description

Unique ID

When and where

Unique ID

Series and episode

Duration

What it’s about

Who made it and who was in it

The brand title

http://www.flickr.com/photos/nicecupoftea/5364762501/

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Standards are good

Someone’s already defined it

Software probably supports it

It’s interoperable

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Dublin CoreTitle

Creator

Subject

Description

Publisher

Contributor

Date

Type

Format

Identifier

Source

Language

Relation

Coverage

Rights

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Where is the metadata?

In the digital file

In a database, linked to the digital file

And online?

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How to create metadata

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Three ways

Experts, archivists, librarians, you!

Volunteers

Computers

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Crowdsourcing

Asking volunteers to help solve problems

Online tools

Designed to encourage contributions

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ComputersImages to text (OCR)

Keyword and topic extraction from text

Machine translation

Speech-to-text from audio

Speaker identification and diarisation

Face detection in images or video

Object and scene recognition

Harder

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Putting it on the web

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the web

=

the internet + links + documents/data

© BBC MMVIII

Programmes Music

Topics

News

Events

Archive Food

Gardening

Michael Smethurst

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Linked data

Machine-readable

Unique identifiers

Unambiguous

Defined vocabularies

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to be raised in a crisp and easy gait collar tradition and mystique and net bottle westphal mia ballroom with a fifth will one of your very well that p. c. set a caustic wet plate is sprint says it twice to purposes again who's addicted across stick is a podium which stopped at a slow start to the masses of setting up a world and on top was a big nineteen ninety three after a renewed spirit of the big dig ,comma off trillo .period when you are unable to compose and see what it's stole to working for a while at the guys when i started the eighth that we teach eighteen hamper and a timeless dave they'd each code for my list tinged yellow and io i had no east p. n. c. and i was a big epic tina afoot o'mara i. q. from kodiak and there was so they become kosher shopko misfit and i was a david to compose his team's end and at haas tied to districts in the indian head of i. a. moved to beijing

http://worldservice.prototyping.bbc.co.uk

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Links mentioned

http://www.flickr.com

http://www.bbc.co.uk

http://dublincore.org/

http://www.galaxyzoo.org/

http://tagger.thepcf.org.uk/

http://worldservice.prototyping.bbc.co.uk

http://www.bbc.co.uk/rd

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Thankstristan.ferne@bbc.co.uk@tristanfhttp://www.bbc.co.uk/rd