open | linked | open linked data

Open | Linked | Open Linked

@hochstenbachGhent University

~Belgian`Maffia’ Library Research~ Caroline Arms

Wishful thinking is essential to good engineering, and certainly essential to good computer science

Gerald Jay Sussman

Open

1991

http://xxx.lanl.gov

XXX1991

1997

XXX1991

1997

NCSTRL1993

XXX1991

NDLTD1993

1997

NCSTRL1993

XXX1991

NDLTD1993

1997

REPEC1997

NCSTRL1993

XXX1991

CogPrints1997

NDLTD1993

1997

REPEC1997

NCSTRL1993

XXX1991

CogPrints1997

NDLTD1993

1997

REPEC1997

NCSTRL1993

MIT

XXX1991

CogPrints1997

NDLTD1993

1997

REPEC1997

NCSTRL1993

MIT

Stanford

XXX1991

CogPrints1997

NDLTD1993

1997

REPEC1997

NCSTRL1993

MIT

Stanford

Caltech

XXX1991

CogPrints1997

NDLTD1993

1997

REPEC1997

NCSTRL1993

e-Biomed

MIT

Stanford

Caltech

XXX1991

CogPrints1997

NDLTD1993

1997

REPEC1997

NCSTRL1993

e-Biomed

HighWire

MIT

Stanford

Caltech

XXX1991

CogPrints1997

NDLTD1993

1997

REPEC1997

NCSTRL1993

e-Biomed

HighWire

MIT

Stanford

Caltech

?!?!

XXX1991

CogPrints1997

NDLTD1993

REPEC1997

NCSTRL1993

e-Biomed

HighWire

MIT

Stanford

Caltech

!!

Search?

Search?

Search?

Search?

Search?

Search?

Search?

Harvest?

Harvest?

Harvest?

Harvest?

Harvest?

Harvest?

Harvest?

Search | Harvest

Z39.50 | Google

Closed | Open

Fat Server | Fat Client

Harvest! OAI-PMH

• http://<baseURL>?verb=Identify

• http://<baseURL>?verb=ListMetadataFormats

• http://<baseURL>?verb=ListRecords&metadataPrefix=oai_dc

• Libraries in every major language: Java, C, Python, Ruby, Perl,...

~Data Providers~

Library Catalogs, Every University Repository, Archives, Museums,

Publishers, E-Learning

~Services Providers~

Google, OAISter, Driver, Many many national, international & consortium hubs

Linked

1999

paper electronic

?!

?!

paper electronic

X

X

??

X

??

X

??

X

X

??

X?!?!

!!!!

MetadataWhere do you come from?

Who are you?What are you searching (context)?

MetadataWhat is available?

Where is it available?Under which conditions it is available?

Linksor

Content

http://journal.org/issue.html http://catalog.org/JohnDoe.html

http://catalog.org/JohnDoe.htmlX

about:JohnDoe

http://twitter.com/JohnDoe

http://journal.org/issue.html http://catalog.org/JohnDoe.html

http://catalog.org/JohnDoe.htmlX

about:JohnDoe

http://twitter.com/JohnDoe

http://journal.org/issue.html http://catalog.org/JohnDoe.html

http://catalog.org/JohnDoe.htmlX

about:JohnDoe

http://twitter.com/JohnDoe

OpenURL

SFX

OpenURL + SFX

• http://<baseURL>?isbn=...&title=...&author=...

• (when author -> catalog lookup)

• (when ISSN=... and YEAR > 2000 -> pubA)

• (when ISSN=... and YEAR < 2000 -> storeB)

~Data Providers~Catalogs, Journals, Scientific Databases,Library Homepages, Google Scholar,

~Services Providers~

Catalogs, Journals, Scientific Databases,...

~OpenURL Link Resolvers~Ex Libris, OCLC, Bowker, EBSCO,

Serials Solutions, Sirsi,...

Open Linked

2009

http://somewhere.orgT0

http://somewhere.orgT0

T1

http://somewhere.orgT0

T1

T2

http://somewhere.orgT0

T1

T2

T3

http://somewhere.orgT0

T1

T2

T3

T4

http://somewhere.orgT0

T1

T2

T3

T4

?!?!

http://somewhere.orgT0

T1

T2

T3

T4

!!!!

http://somewhere.org

http://somewhere.orgT0

T1

T2

T3

T4

!!!!

http://somewhere.org

http://somewhere.orgT0

T1

T2

T3

T4

!!!! T3

http://somewhere.org

http://somewhere.orgT0

T1

T2

T3

T4

!!!! T3

http://somewhere.org

MediaWiki

Drupal

APACHE

http://somewhere.org

Content-Negotiation

Internet Archive

Pandora

RDF (OAI-ORE) with all versions/locations

MEMENTO

~ Implementations ~Apache, MediaWiki

~ Clients ~Firefox plugins, Android

Kudo’s from Tim & Tim (O’Reilly, Berners-Lee)

References

• Structure and Interpretation of Computer Programshttp://www.youtube.com/results?search_query=Structure+and+Interpretation+MIT&aq=f

• XXX http://publish.aps.org/EPRINT/ginsparg.html

• OAI-PMH http://en.wikipedia.org/wiki/Open_Archives_Initiative

• OpenURL http://en.wikipedia.org/wiki/OpenURL

References

• Mementohttp://www.mementoweb.org/