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Plone Conference 2010
Bristol
Plone is so semantic,
isn't it?
Jens W. Klein <jk@kleinundpartner.at>
2010-10-28
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Store Knowledge?
● Humans have different kinds of knowledge:
tacit and explicit
● only possible to transform
explict knowlegde (brain) =>
reduce to information =>
store information in ICT-system
● creation of documents (html-form, doc,
powerpoint, pdf, html, audio, video, CAD/CAM,
and hundreds more)
● sometimes collaborative
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IN PLONE...
● create documents (HTML),
● upload or place links to documents.
● Excellent collaboration
– sharing,
– versioning,
– workflow.
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Problem:
● stupid ICT-Systems: they dont 'know' anything
about the document.
● we need to provide algorythms to fetch
information from the ones and zeros.
● Algorythms are as good as stored information is
● Fulltext search: Cut into words, create index.
● Organize documents in folders, subfolder, give
them meaningful names.
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IN PLONE...
● portal_catalog
● full text index and search
● hirarchical folderish structure
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BUT ...
● this is not enough. We want to know the author,
intellectual property information, dates, ...
● So we need additional information.
● One solution: Store additional information with
the document: Metadata.
● Dublin Core (DC) Metadata, Learning Objects
Metadata (LOM), ..
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BUT ... lazy Humans!
*sigh*
● metadata need to be created/added by editors.
● Humans are lazy,
● so must of the time
– NO METADATA ENTERED
● Helpers:
– Extrensic motivation (pay, required fields, ...)
– Automatic adding out of context: i.e. username
as creator, dates of creation or publishing.
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IN PLONE...
● Dublin-Core Metadata on any document.
● Some fields are filled automatically,
– i.e.author, date of creation and publication, with
some limits also language.
● Others need to be entered manually.
● Using add-on products utilizing schemaextender
other metadata-fields can be added, i.e. the
Dublin Core Terms extension.
● Exposed in HTML-header (if switched on)
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Semantics (from Greek sēmantikós)
is the study of meaning.
It typically focuses on the
relation between signifiers,
such as words, phrases, signs and
symbols, and what they stand for.
Wikipedia
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so no semantics so far
in Plone?
● we have hierarchie
– A is parent of B => relation
● we have metadata
– John Smith is author of B
– B was published 2010-10-10 10:10:10
● we have general references
– B is related to C
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Limitations in Plone
● If the word „Paris“ is in the text we dont know
its a city „Paris is a city“.
● We can search for the string „Paris“, but not for
articles about cities in france. „Paris is part of
France“
● No way to connect with articles outside Plone.
● Naked Plone only exposes a tiny set of its
limited semantic information.
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RDF helps
Resource Description
Framework
● all information is broke down into triples of
– subject => Paris
– predicate => is part of
– object => France
● triple is an element of a graph
● multiple triples forms complex RDF graphs
● RDF is family of W3C specifications to work with
theses graphs.
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IN PLONE?
● No RDF dialect out of the box
● eea.rdfmarshaller (add-on) builds
– RDF/XML from archetypes content, hierarchie and
relations
– RDF-Schemas from FTI
● no triple storage
● no possibility to query
● no auto-enhancement, i.e. finding geo-names
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Introducing IKS
● IKS (interactive knowledge stack, ICT-231527) is
– a Semantic-based Open Source Platform for
Small to Medium CMS Providers
– raise the semantic capability of European
software houses to develop intelligent content
management solutions for their customers.
– an Integrated Project (IP) of the European Union's
7th Framework Programme: ICT – Call 3. From
2009-01-01 to 2012-12-31 (48 months).
– 13 participants from 7 countries involved, and
the EC contribution is 6.57 million Euros (total
cost: €8.55m).
–
http://[www|wiki].iks-project.org
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Introducing FISE
● FISE, a major IKS outcome, is
– an Open Source RESTful Semantic Engine
software component extracing meaning of
electronic documents to organize it as
partially structured knowledge.
– semantic middleware with pluggable enhancers,
– triple store,
– sparql endpoint (query mechanism)
– ... more to come
– alpha, java, easy to integrate, nice devs behind.
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FISE
current enhancers
● categorize documents,
● suggest meaningful tags from a controlled
taxonomy and assert there relative importance,
● find related documents in the local database or
on the web,
● extract and recognize mentions of known
entities,
● detect yet unknown entities of the same afore
mentioned types to enrich the knowledge base,
● more and more to come.
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not IKS, but related:
Aloha-Editor
● WYSIWIG editor using Contenteditable
(xHTML5)
● very fast (loading, init, multiple instances)
● pluggable - possible to create semantic
plugins for i.e. microformats.
● OpenSource (GPL, initially made by Gentics)
http://www.aloha-editor.com/
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YES. We need it in Plone.
But: Out of my scope
Who will integrate it?
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back to FISE:
planned Python/ Plone
Integration
Klein & Partner KG got an IKS Early Adopter
(funded)
● Create a generic Python API to communicate
with FISE over its Restful API
● Integrate with Plone, „index“ into FISE.
● Create a Plone Portlet (UI) showing some
enhancements.
● Present the results to the Plone Community.
Spread the word.
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FISE Integration
work done so far
● buildout for FISE http://github.com/collective/fise-buildout
● fise.client http://github.com/collective/fise.client
● started to spread the word
● research done:
– RDFlib
– SuRF
– restful client APIs
– SPARQL and Python
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fise.client
Initialize:
>>> from fise.client import FISE
>>> fise = FISE('http://localhost:8080/')
Use the engines:
>>> somedoc = u"This is an example text."
>>> fise.engines(somedoc)
<xml...>
>>> fise.engines(somedoc,
format='rdfjson')
jsonresponse
Use the store, first store content
(only plain text is accepted for now):
>>> id = 'test123'
>>> fise.store.content[id] = payload
Next get the text back:
>>> fise.store.content[id]
u"This is an example text."
Then get the metadata:
>>> fise.store.metadata(id)
<RDF>
And FISE special feature: Get an HTML
page about the content:
>>> fise.store.page(id)
<HTML>
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Work todo
● support passing SPARQL queries to FISE (easy)
● write fise.plone and index content in FISE.
● write some visualization (i.e. viewlet/ portlet) to
show enhancement found
● document all this
● sprint on FISE in Bristol
● organize a semantic sprint in Innsbruck
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The End
Questions
Answers
Discussions

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Plone is so semantic, isn't it?

  • 1. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 1 of 26 Plone Conference 2010 Bristol Plone is so semantic, isn't it? Jens W. Klein <jk@kleinundpartner.at> 2010-10-28
  • 2. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 2 of 26 Store Knowledge? ● Humans have different kinds of knowledge: tacit and explicit ● only possible to transform explict knowlegde (brain) => reduce to information => store information in ICT-system ● creation of documents (html-form, doc, powerpoint, pdf, html, audio, video, CAD/CAM, and hundreds more) ● sometimes collaborative
  • 3. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 3 of 26 IN PLONE... ● create documents (HTML), ● upload or place links to documents. ● Excellent collaboration – sharing, – versioning, – workflow.
  • 4. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 4 of 26 Problem: ● stupid ICT-Systems: they dont 'know' anything about the document. ● we need to provide algorythms to fetch information from the ones and zeros. ● Algorythms are as good as stored information is ● Fulltext search: Cut into words, create index. ● Organize documents in folders, subfolder, give them meaningful names.
  • 5. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 5 of 26 IN PLONE... ● portal_catalog ● full text index and search ● hirarchical folderish structure
  • 6. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 6 of 26 BUT ... ● this is not enough. We want to know the author, intellectual property information, dates, ... ● So we need additional information. ● One solution: Store additional information with the document: Metadata. ● Dublin Core (DC) Metadata, Learning Objects Metadata (LOM), ..
  • 7. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 7 of 26 BUT ... lazy Humans! *sigh* ● metadata need to be created/added by editors. ● Humans are lazy, ● so must of the time – NO METADATA ENTERED ● Helpers: – Extrensic motivation (pay, required fields, ...) – Automatic adding out of context: i.e. username as creator, dates of creation or publishing.
  • 8. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 8 of 26 IN PLONE... ● Dublin-Core Metadata on any document. ● Some fields are filled automatically, – i.e.author, date of creation and publication, with some limits also language. ● Others need to be entered manually. ● Using add-on products utilizing schemaextender other metadata-fields can be added, i.e. the Dublin Core Terms extension. ● Exposed in HTML-header (if switched on)
  • 9. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 9 of 26 Semantics (from Greek sēmantikós) is the study of meaning. It typically focuses on the relation between signifiers, such as words, phrases, signs and symbols, and what they stand for. Wikipedia
  • 10. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 10 of 26 so no semantics so far in Plone? ● we have hierarchie – A is parent of B => relation ● we have metadata – John Smith is author of B – B was published 2010-10-10 10:10:10 ● we have general references – B is related to C
  • 11. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 11 of 26 Limitations in Plone ● If the word „Paris“ is in the text we dont know its a city „Paris is a city“. ● We can search for the string „Paris“, but not for articles about cities in france. „Paris is part of France“ ● No way to connect with articles outside Plone. ● Naked Plone only exposes a tiny set of its limited semantic information.
  • 12. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 12 of 26 RDF helps Resource Description Framework ● all information is broke down into triples of – subject => Paris – predicate => is part of – object => France ● triple is an element of a graph ● multiple triples forms complex RDF graphs ● RDF is family of W3C specifications to work with theses graphs.
  • 13. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 13 of 26 IN PLONE? ● No RDF dialect out of the box ● eea.rdfmarshaller (add-on) builds – RDF/XML from archetypes content, hierarchie and relations – RDF-Schemas from FTI ● no triple storage ● no possibility to query ● no auto-enhancement, i.e. finding geo-names
  • 14. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 14 of 26
  • 15. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 15 of 26 Introducing IKS ● IKS (interactive knowledge stack, ICT-231527) is – a Semantic-based Open Source Platform for Small to Medium CMS Providers – raise the semantic capability of European software houses to develop intelligent content management solutions for their customers. – an Integrated Project (IP) of the European Union's 7th Framework Programme: ICT – Call 3. From 2009-01-01 to 2012-12-31 (48 months). – 13 participants from 7 countries involved, and the EC contribution is 6.57 million Euros (total cost: €8.55m). – http://[www|wiki].iks-project.org
  • 16. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 16 of 26
  • 17. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 17 of 26 Introducing FISE ● FISE, a major IKS outcome, is – an Open Source RESTful Semantic Engine software component extracing meaning of electronic documents to organize it as partially structured knowledge. – semantic middleware with pluggable enhancers, – triple store, – sparql endpoint (query mechanism) – ... more to come – alpha, java, easy to integrate, nice devs behind.
  • 18. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 18 of 26 FISE current enhancers ● categorize documents, ● suggest meaningful tags from a controlled taxonomy and assert there relative importance, ● find related documents in the local database or on the web, ● extract and recognize mentions of known entities, ● detect yet unknown entities of the same afore mentioned types to enrich the knowledge base, ● more and more to come.
  • 19. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 19 of 26 not IKS, but related: Aloha-Editor ● WYSIWIG editor using Contenteditable (xHTML5) ● very fast (loading, init, multiple instances) ● pluggable - possible to create semantic plugins for i.e. microformats. ● OpenSource (GPL, initially made by Gentics) http://www.aloha-editor.com/
  • 20. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 20 of 26 YES. We need it in Plone. But: Out of my scope Who will integrate it?
  • 21. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 21 of 26 back to FISE: planned Python/ Plone Integration Klein & Partner KG got an IKS Early Adopter (funded) ● Create a generic Python API to communicate with FISE over its Restful API ● Integrate with Plone, „index“ into FISE. ● Create a Plone Portlet (UI) showing some enhancements. ● Present the results to the Plone Community. Spread the word.
  • 22. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 22 of 26
  • 23. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 23 of 26 FISE Integration work done so far ● buildout for FISE http://github.com/collective/fise-buildout ● fise.client http://github.com/collective/fise.client ● started to spread the word ● research done: – RDFlib – SuRF – restful client APIs – SPARQL and Python
  • 24. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 24 of 26 fise.client Initialize: >>> from fise.client import FISE >>> fise = FISE('http://localhost:8080/') Use the engines: >>> somedoc = u"This is an example text." >>> fise.engines(somedoc) <xml...> >>> fise.engines(somedoc, format='rdfjson') jsonresponse Use the store, first store content (only plain text is accepted for now): >>> id = 'test123' >>> fise.store.content[id] = payload Next get the text back: >>> fise.store.content[id] u"This is an example text." Then get the metadata: >>> fise.store.metadata(id) <RDF> And FISE special feature: Get an HTML page about the content: >>> fise.store.page(id) <HTML>
  • 25. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 25 of 26 Work todo ● support passing SPARQL queries to FISE (easy) ● write fise.plone and index content in FISE. ● write some visualization (i.e. viewlet/ portlet) to show enhancement found ● document all this ● sprint on FISE in Bristol ● organize a semantic sprint in Innsbruck
  • 26. Creative Commons Namensnennung- Keine kommerzielle Nutzung- Keine Bearbeitung 3.0 Österreich LizenzPage 26 of 26 The End Questions Answers Discussions