MEASURE FOR MEASURE Quantifying Metadata Quality

Werner Bailer | Europeana AGM 2015

The Problem

bull Metadata from many sources

bull Heterogeneous formats (and thus conversions)

bull Different workflows

bull Context

CC BY-SA

Een rechthoekig luciferdoosje van hout beplakt met papier Stichting Liemers Museum

Netherlands CC BY

Measure for Measure Quantifying Metadata Quality

CC BY-SA

qualityiquest Chris Young

httpswwwflickrcomphotosmrvjtod481220595 CC BY-SA

Measure for Measure Quantifying Metadata Quality

Mappings amp Conversions

CC BY-SA

USB 20 Watt Simon Ska

httpswwwflickrcomphotosskasimon5179453856 CC BY-NC-ND

Measure for Measure Quantifying Metadata Quality

Measure for Measure Quantifying Metadata Quality CC BY-SA

httpswwwflickrcomphotoswetwebwork 2402908982 CC BY

wetwebwork

Quality and Value (old shop front entrance)

The Problem

bull Metadata from many sources

bull Heterogeneous formats (and thus conversions)

bull Different workflows

bull Context

CC BY-SA

Een rechthoekig luciferdoosje van hout beplakt met papier Stichting Liemers Museum

Netherlands CC BY

Measure for Measure Quantifying Metadata Quality

CC BY-SA

qualityiquest Chris Young

httpswwwflickrcomphotosmrvjtod481220595 CC BY-SA

Measure for Measure Quantifying Metadata Quality

Mappings amp Conversions

CC BY-SA

USB 20 Watt Simon Ska

httpswwwflickrcomphotosskasimon5179453856 CC BY-NC-ND

Measure for Measure Quantifying Metadata Quality

Measure for Measure Quantifying Metadata Quality CC BY-SA

httpswwwflickrcomphotoswetwebwork 2402908982 CC BY

wetwebwork

Quality and Value (old shop front entrance)

CC BY-SA

qualityiquest Chris Young

httpswwwflickrcomphotosmrvjtod481220595 CC BY-SA

Measure for Measure Quantifying Metadata Quality

Mappings amp Conversions

CC BY-SA

USB 20 Watt Simon Ska

httpswwwflickrcomphotosskasimon5179453856 CC BY-NC-ND

Measure for Measure Quantifying Metadata Quality

Measure for Measure Quantifying Metadata Quality CC BY-SA

httpswwwflickrcomphotoswetwebwork 2402908982 CC BY

wetwebwork

Quality and Value (old shop front entrance)

Mappings amp Conversions

CC BY-SA

USB 20 Watt Simon Ska

httpswwwflickrcomphotosskasimon5179453856 CC BY-NC-ND

Measure for Measure Quantifying Metadata Quality

Measure for Measure Quantifying Metadata Quality CC BY-SA

httpswwwflickrcomphotoswetwebwork 2402908982 CC BY

wetwebwork

Quality and Value (old shop front entrance)

Measure for Measure Quantifying Metadata Quality CC BY-SA

httpswwwflickrcomphotoswetwebwork 2402908982 CC BY

wetwebwork

Quality and Value (old shop front entrance)

Automation

CC BY-SA

Maquinagraveria tegravextil a un taller Arxiu Nacional de Catalunya Spain 1920 CC BY-NC-ND

Measure for Measure Quantifying Metadata Quality

CC BY-SA

Well-defined Structured Machine-readable

CC BY-NC

httpswwwflickrcomphotoscaseorganic 4780523309

Blackboard Amber Case

Measure for Measure Quantifying Metadata Quality

CC BY-SA

Well-defined Structured Machine-readable

CC BY-NC

httpswwwflickrcomphotoscaseorganic 4780523309

Blackboard Amber Case

Measure for Measure Quantifying Metadata Quality

Metrics

CC BY-SA

bull Completeness of records

bull Structuredness of data

bull Use of controlled vocabularies

bull Availability of linked resources

bull Loss in round trip mappings

Measure for Measure Quantifying Metadata Quality

CC BY-SA

W3C DATA QUALITY VOCABULARY Working Draft

Measure for Measure Quantifying Metadata Quality

CC BY-SA

2006 Scottish National Gallery of Modern Art

Nathan Coley

There Will Be No Miracles Here

Measure for Measure Quantifying Metadata Quality

CC BY-SA

W3C DATA QUALITY VOCABULARY Working Draft

Measure for Measure Quantifying Metadata Quality

CC BY-SA

2006 Scottish National Gallery of Modern Art

Nathan Coley

There Will Be No Miracles Here

Measure for Measure Quantifying Metadata Quality

CC BY-SA

2006 Scottish National Gallery of Modern Art

Nathan Coley

There Will Be No Miracles Here

Measure for Measure Quantifying Metadata Quality

France Public Domain 1921 National Library of France

Agence de presse Meurisse

Colombes championnats de France drsquoAthleacutetisme riviegravere le speaker

More info wwweexcesseu