A Resource List Management Tool based on Linked Open Data Principles

shared innovation™

A Resource List Management Tool based
on Linked Open Data Principles

ESWC2009 In-Use Track
Chris Clarke, Talis Group Limited
chris.clarke@talis.com


what are the LOD principals?
use URIs as names Use HTTP URIs so
for things that people can
look up those
names.

Include links to When someone
other URIs, so that looks up a URI,
they can discover provide useful
more things. information.


a user view of linked data?

c.baldassarre@open.ac.uk

http://www.flickr.com/photos/restlessglobetrotter/2981504756/sizes/l/


what are resource lists?

http://www.bristol.ac.uk/sps/studying/undergraduate/social_policy_handbook.shtml


what are resource lists?

#Books
#Journals
#Websites
#Articles
#AudioVisual



what are the requirements?

Where do I go to get these
resources?

#Student




Where do I go to get these
resources?

#Student or ?

online or print?



Do students actually find this stuff
useful?

Are these the best
resources?

#Teacher I’m busy.



Do we have enough copies of the
2nd edition?

Can students find the
e-Journal?

#Library



some existing
solutions


Unit of currency:
the hyperlink


integration landscape
#PublisherPlatform

#VLE #LinkResolver
#ResourceLists
#Repository #LibraryCatalog

#Amazon #GBS #CampusBookstore


the problems...


the problems...
links #students can’t find
break things


the problems...
break things

multiple silos,
#library can’t ask useful
poor
questions
interoperability


the problems...
break things

multiple silos,
poor
questions
interoperability

filling in forms #teachers do something
is boring more interesting instead


the problems...
break things

Where do I go to get these Can students find the
resources? e-Journal?


why do links break?

#Article


why do links break?
#PublisherPlatform

#availableFrom

#Article


why do links break?
#PublisherPlatform #Aggregator1

#availableFrom #availableFrom #hasSubscriptionWith

#Article #Library


why do links break?


#Teacher #Article #Library
#preprint
#references AvailableFrom

#Repository


why do links break?


#preprint
#references AvailableFrom #availableFrom

#Repository #Aggregator2


why do links break?

#availableFrom #availableFrom

#preprint
#references AvailableFrom #availableFrom #hasSubscriptionWith


which hyperlink??


#Publisher #Aggregator1


#references #availableFrom #availableFrom



Use HTTP URIs so
use URIs as names
#Publisher that#Aggregator1
people can
for things look up those
#availableFrom names.
#availableFrom #hasSubscriptionWith




Use HTTP URIs so
use URIs as names
people can


When someone

looks up a URI,
provide useful
information.


Use HTTP URIs so
use URIs as names
people can


Include links to When someone

other URIs, so that looks up a URI,
#Repository
they can discover #Aggregator2
provide useful
more things. information.


bibo:Article

PREFIX bibo: http://vocab.org/resourcelist/schema


list:List
list:Item
bibo:Article

PREFIX list: http://vocab.org/resourcelist/schema


aiiso:Instituion
aiiso:Course
list:List
list:Item
bibo:Article

PREFIX aiiso: http://vocab.org/aiiso/schema
PREFIX list: http://vocab.org/resourcelist/schema


aiiso:Instituion
list:List
aiiso:Course
list:List
list:List

list:Item
bibo:Journal
bibo:Article


<http://lists.lib.plymouth.ac.uk/lists/abf203> rdf:type <list:List>

.html .rdf .json
When someone looks up a URI,
provide useful information.


<http://lists.lib.plymouth.ac.uk/items/...> rdf:type <list:Item>

.html .rdf .json
When someone looks up a URI,
provide useful information.


#Article Include links to
other URIs, so that
they can discover
more things.


#Book Include links to
other URIs, so that
they can discover
more things.


#AudioVisual Include links to
other URIs, so that
they can discover
more things.


the solution
break things

store a
description of #students have a better
the resource chance of locating the
generate resource
appropriate
links at runtime


the problems...
multiple silos,
poor
questions
interoperability

Do we have enough copies of the
2nd edition?


How many copies of the 2nd
edition do we need?


Find core texts referenced on
level 2 courses in my institution
with class sizes >30 taking place
in the 2nd semester...


aiiso:Instituion
list:List
aiiso:Course
linkable, list:List
but not
list:List
linked data
list:Item
bibo:Journal
bibo:Article


the problems...
multiple silos,
#no-one can ask useful
poor
questions
interoperability

Are these the best
resources?


Find the most popular texts
referenced on courses about
Physics for Universities in cities
with a population >300,000


DBPedia

Resource
Lists @
Sussex

Resource
Lists @
Plymouth


Find the most referenced journal
in UK Universities


Resource
Lists @
Sussex

Resource
Lists @
Plymouth


Resource
Lists @
Sussex
Resource Resource
Lists @ Lists @
Plymouth ?

Resource Resource
Lists @ Lists @
? ?

Image Credit goes here


Resource
Lists @
Sussex
Resource Resource
Lists @ Lists @
Plymouth ?

Resource Resource
Linked
Lists @ Lists @
Periodicals
? ?

Resource
Resource Lists @
Lists @ ?
? Resource
Lists @
?


DBPedia

Resource
Lists @
Sussex

Resource Linked
Lists @ Periodicals
Plymouth

LOC
Subject
Headings


challenges and
problems?


challenges and
problems?
LOD community has proved
concept


challenges and
problems?
concept
Creating legally, technically and
socially sustainable LOD is hard


challenges and
problems?
concept
Creating legally, technically and
socially sustainable LOD is hard
Working with data owners from
outset can help


where do we get the data from?
filling in forms #teachers do something
is boring more interesting instead

I’m busy.


#Article


bookmarking the
article not a link to
a HTML document
that might describe
the article


#Teacher


#Teacher #bookmarks
#Webpage


#Teacher #bookmarks
#Webpage
#extractsIdentifierFrom

#System


#Teacher #bookmarks
#Webpage

#System

#rdfizesDataFrom

#AuthoritiveSource


#Teacher #bookmarks
#Webpage

#System

#createsReferenceTo #rdfizesDataFrom

#Article #AuthoritiveSource


#Teacher #bookmarks
#Webpage

#confirmsDescriptionOf #System




challenges and
#Teacher #bookmarks problems?
#Webpage

#confirmsDescriptionOf #System




challenges and
#Webpage
Extracting identifiers - although eRDF, RDFa,

DOIs, ISBN/ISSN, URL parsing provide
#System
#confirmsDescriptionOf

reasonable coverage in this domain



challenges and
#Webpage

#System


Identifying trusted #AuthoritiveSources



challenges and
#Webpage

#System


Identifying trusted #AuthoritiveSources

Need to provide a manual add fallback


how do we create structure?
aiiso:Instituion
aiiso:Course
list:List
list:Item
bibo:Article


how do we create linked data?


A domain-centric
solution using RDFa


A domain-centric
solution using RDFa

Use your favorite Javascript library


A domain-centric
solution using RDFa


Drag + drop interface = HTML DOM
manipulation


A domain-centric
solution using RDFa


Drag + drop interface = HTML DOM
manipulation

RDFa model updated as user interacts with
the UI “for free”


user clicks save...
HTML
RDFa
old model


user clicks save...
HTML
RDFa #parse
new model
old model


user clicks save...
HTML
RDFa #parse
new model
old model
#submittedTo #submittedTo

#TalisAspire


user clicks save...
HTML
RDFa #parse
new model
old model

#TalisAspire
#creates

#Deltas


user clicks save...
HTML
RDFa #parse
new model
old model

#TalisAspire
#creates

#Deltas #appliedTo
#TalisPlatform


made with...
XHTML
http://code.google.com/p/rdfquery/
RDFa new model
#parse
http://code.google.com/p/moriarty/
old model
http://arc.semsol.org

http://purl.org/vocab/changeset/schema#
#System
#creates
http://talis.com/platform or http://n2.talis.com

#Deltas #appliedTo
#Platform


Future work

useful?

Are these the best
resources?


Future work

useful?

Are these the best
resources?

Require network effects


Future work
Resource
Lists @
Sussex
Resource ?
Lists @
Plymouth
?

? ?

? Linked
?
Periodicals

? ?

? ?

? ?
? ?
?

Require network effects


Summary



Summary
Linked Data can solve problems for our
users - but they don’t need to “see” it



Summary
Work to do (beyond the technical) to make
LOD work in the real world



Summary
Work to do (beyond the technical) to make
LOD work in the real world
To really grow LOD, users need to be
creating it at source... make it easy


shared innovation
TM


This work is Copyright © 2009 Talis Group Limited.
It is licensed under the Creative Commons Attribution 3.0 Unported License
Full details at: http://creativecommons.org/licenses/by/3.0/

You are free:

to Share — to copy, distribute and transmit the work

to Remix — to adapt the work

Under the following conditions:
Attribution. You must attribute the work in the manner specified by the
author or licensor (but not in any way that suggests that they endorse
you or your use of the work).
• For any reuse or distribution, you must make clear to others the license terms of this work.
• Any of the above conditions can be waived if you get permission from the copyright holder.
• Nothing in this license impairs or restricts the author's moral rights.
• Some Content in the work may be licensed under different terms, this is noted separately.

A Resource List Management Tool based on Linked Open Data Principles

Empfohlen

Empfohlen

Weitere ähnliche Inhalte

Ähnlich wie A Resource List Management Tool based on Linked Open Data Principles

Ähnlich wie A Resource List Management Tool based on Linked Open Data Principles (20)

Mehr von Chris Clarke

Mehr von Chris Clarke (9)

Kürzlich hochgeladen

Kürzlich hochgeladen (20)

A Resource List Management Tool based on Linked Open Data Principles