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SPATIAL AND TEMPORAL MODELS OF DIGITAL ARCHIVES
Nathalie Casemajor
WHERE DO DIGITAL ARTEFACTS GO ONCE PUBLISHED ONLINE?
“From a methodological point of view, it is the things-in-motion that illuminate their human and social context”.
A. Appadurai The Social Life of Things: Commodities in Cultural Perspective (1986)
THE SOCIAL LIFE OF DIGITAL THINGS
EXPLORATORY CASE STUDY REPRODUCTIONS OF CONTEMPORARY ARTWORKS
corpus of web pages(image-based search)
corpus of web images files(material properties + metadata)
MIXED-METHODS
JPG
photoshopedimage
ONLINE
RAW
IPTCmetadata
exifmetadata
invisiblewatermark
press
1gallery website
artist website
reverseimagesearch
2
3
4
5
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DATA COLLECTED
SOURCE IMAGE FILES
- - ID code- original file name- URL- weight- pixel size- format
COPIES OF IMAGE FILES
- ID code- file name- URL- weight- pixel size- format
SOURCE PUBLICATION WEB PAGES
- category- website name- URL- publication date- capture date- remarks
RE-PUBLICATION WEB PAGES
- category- website name- URL- publication date- capture date- account name- level of interaction
HOW TO MAP WEB MATETIAL AS NETWORKS OF CIRCULATION?
spatial + temporal dimensions
SPATIAL MODELS(and special metaphors)
Geographical layer
Physical network layer
Logical network layer
Mediascape layer (graph)
Social network layer
Social field (power relations, brokers)
Geographical layer
Physical network layer
Logical network layer
Mediascape layer (graph)
Social network layer
Social field(power relations, brokers)
GLAMS
WIKIMEDIA
SPECIALIZEDBLOGS
GENERAL MEDIA(tv, newspapers)
PEER2PEER
PARASITE WEBSITES
COMMERCIAL ARCHIVES
AUCTION HOUSES
PROPOSED METHOD1) Locate copies in thematic clusters
GLAMS
WIKIMEDIA
SPECIALIZEDBLOGS
GENERAL MEDIA(tv, newspapers)
PEER2PEER
PARASITE WEBSITES
COMMERCIAL ARCHIVES
AUCTION HOUSES
PROPOSED METHOD1) Locate copies in thematic clusters2) Map the hyperlink graph around these resources
EXAMPLE
LITERATURE BLOGS By Crépel, Boullier & Le Béchec | 2010
TEMPORAL DIMENSION IN SPATIAL GRAPHS
TEMPORAL MODELS(and lineages)
DISTRIBUTED OBJECT (Gell)
Lineage 1FACEBOOK
Lineage 2ARTIST WEBSITE
timeline
CHALLENGES WITH TEMPORAL DATA
> publication date
> crawl date
> image weight and size
> image file copies date of creation or modification
> perceptual hashing (if image transformed)
> text analysis (contextual info)
CLUES ISSUES
not always available
source platforms generate thumbnails
not always availablenot always accurate
is not publication date
does not always happen
time consuming
Nathalie CasemajorPhD, Assistant Professor in CommunicationDpt. of Social Sciences University of Quebec in Gatineau (Canada)
