A Resource List Management Tool based on Linked Open Data Principles

shared innovation™

A Resource List Management Tool based on Linked Open Data Principles

Chris Clarke, Talis Group [email protected]

ESWC2009 In-Use Track

mailto:[email protected]



what are the LOD principals?use URIs as names for things

Use HTTP URIs so that people can look up those names.

When someone looks up a URI, provide useful information.

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


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

a user view of linked data?

[email protected]

http://www.flickr.com/photos/yakobusan/2436481628/sizes/l/





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

what are resource lists?





what are resource lists?

#Books#Journals#Websites#Articles#AudioVisual





what are the requirements?

Where do I go to get these resources?

#Student







or ?#Studentonline or print?





#Teacher

Do students actually find this stuff useful?

Are these the best resources?

I’m busy.






#Library

Do we have enough copies of the 2nd edition?

Can students find the e-Journal?





some existing solutions


Unit of currency:the hyperlink


integration landscape

#LibraryCatalog#Repository

#PublisherPlatform

#CampusBookstore#Amazon #GBS

#ResourceLists

#VLE #LinkResolver


the problems...


the problems...links break

#students can’t find things




multiple silos, poor interoperability

#library can’t ask useful questions




multiple silos, poor interoperability


filling in forms is boring

#teachers do something more interesting instead





Can students find the e-Journal?


#Article

why do links break?


#Article

#PublisherPlatform

#availableFrom

why do links break?


#Article

#PublisherPlatform #Aggregator1

#availableFrom #availableFrom

#Library

#hasSubscriptionWith

why do links break?


#Article

#PublisherPlatform

#Repository

#Aggregator1


#preprintAvailableFrom

#Library


#Teacher

#references

why do links break?


#Article

#PublisherPlatform

#Repository #Aggregator2

#Aggregator1


#availableFrom#preprint

AvailableFrom

#Library


#Teacher

#references

why do links break?


#Article

#PublisherPlatform


#Aggregator1


#availableFrom#preprint

AvailableFrom

#Library#Teacher

#references

which hyperlink??

why do links break?



#Article

#Publisher


#Aggregator1


#availableFrom#availableFrom

#Library


#Teacher

#references


#Article

#Publisher


#Aggregator1



#Library


#Teacher

#references

use URIs as names for things



#Article

#Publisher


#Aggregator1



#Library


#Teacher

#references





bibo:Article

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

http://vocab.org/resourcelist/schema



list:Listlist:Item

bibo:Article

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





aiiso:Instituion


aiiso:Courselist:Listlist:Item

bibo:Article

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

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

http://vocab.org/aiiso/schema

http://vocab.org/aiiso/schema






bibo:Article

bibo:Journal

list:List

list:List

list:List

aiiso:Instituion

aiiso:Course

list:Item


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

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

http://lists.lib.plymouth.ac.uk



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

.html .rdf .jsonWhen 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.



#Book


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


the solution

#students have a better chance of locating the resource

store a description of the resource generate appropriate links at runtime

links break



the problems...multiple silos, poor 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...


bibo:Article

bibo:Journal

list:List

list:List

list:List

aiiso:Instituion

aiiso:Course

list:Item


bibo:Article

bibo:Journal

list:List

list:List

list:List

aiiso:Instituion

aiiso:Course

list:Item

linkable, but not linked data


the problems...multiple silos, poor interoperability

#no-one can ask useful questions



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

Resource

Lists @

Plymouth

Resource

Lists @

Sussex

DBPedia



Find the most referenced journal in UK Universities

Resource

Lists @

Plymouth

Resource

Lists @

Sussex


Resource

Lists @

Plymouth

Resource

Lists @

Sussex

Resource

Lists @

?

Resource

Lists @

?

Resource

Lists @

?


Image Credit goes here

Resource

Lists @

Plymouth

Resource

Lists @

Sussex

Linked

Periodicals

Resource

Lists @

?

Resource

Lists @

? Resource

Lists @

?

Resource

Lists @

?

Resource

Lists @

?

Resource

Lists @

?


Resource

Lists @

Plymouth

Resource

Lists @

Sussex

DBPedia

Linked

Periodicals

LOC

Subject

Headings



challenges and problems?



LOD community has proved concept



LOD community has proved conceptCreating legally, technically and socially sustainable LOD is hard



LOD community has proved conceptCreating 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 is boring

#teachers do something more interesting instead

I’m busy.


#Article


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


#Teacher


#Teacher #Webpage#bookmarks



#System#extractsIdentifierFrom




#AuthoritiveSource

#rdfizesDataFrom




#AuthoritiveSource

#rdfizesDataFrom

#Article

#createsReferenceTo




#AuthoritiveSource

#rdfizesDataFrom

#Article

#createsReferenceTo

#confirmsDescriptionOf




#AuthoritiveSource

#rdfizesDataFrom

#Article

#createsReferenceTo






#AuthoritiveSource

#rdfizesDataFrom

#Article

#createsReferenceTo



Extracting identifiers - although eRDF, RDFa, DOIs, ISBN/ISSN, URL parsing provide reasonable coverage in this domain




#AuthoritiveSource

#rdfizesDataFrom

#Article

#createsReferenceTo



Identifying trusted #AuthoritiveSources





#AuthoritiveSource

#rdfizesDataFrom

#Article

#createsReferenceTo



Identifying trusted #AuthoritiveSources


Need to provide a manual add fallback


how do we create structure?aiiso:Instituion

aiiso:Courselist:Listlist:Item

bibo:Article


how do we create linked data?


A domain-centric solution using RDFa



Use your favorite Javascript library




Drag + drop interface = HTML DOM manipulation




Drag + drop interface = HTML DOM manipulation

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


user clicks save...HTMLRDFaold model


user clicks save...HTMLRDFa #parse new modelold model



#TalisAspire

#submittedTo #submittedTo



#TalisAspire

#Deltas


#creates



#TalisAspire

#Deltas


#creates

#TalisPlatform#appliedTo


made with...XHTMLRDFa #parse new modelold model

#System

#Deltas


#creates

#Platform#appliedTo

http://code.google.com/p/rdfquery/

http://purl.org/vocab/changeset/schema#

http://talis.com/platform or http://n2.talis.com

http://code.google.com/p/moriarty/http://arc.semsol.org



http://code.google.com/p/moriarty/




http://n2.talis.com

http://n2.talis.com






Future work




Future work



Require network effects

Resource

Lists @

Plymouth

Resource

Lists @

Sussex

Linked

Periodicals

?

?

?

?

?

??

?

?

?

?

?

?

?

?


Future work

Require network effects


Summary





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






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






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 innovationTM

This work is Copyright © 2009 Talis Group Limited.It is licensed under the Creative Commons Attribution 3.0 Unported LicenseFull 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

Technology

Transcript of A Resource List Management Tool based on Linked Open Data Principles