Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Open Data and Linked Data

Related Books

Free with a 30 day trial from Scribd

See all
  • Be the first to comment

Open Data and Linked Data

  1. 1. Making Emergent CreativityOverview of Open Data, Linked Data and Web Science Haklae Kim, PhD. , August 2012
  2. 2. Best PracticesLondon 2012: Open Data Olympics 2
  3. 3. TodayThis Presentation .....Conceptual overview Case Studies The Semantic Web What We Will Do 3
  4. 4. 4
  5. 5. Let’s StartBig Data“data that becomes large enough that it cannot be processed using conventional methods” “Big Data is like Sex in High School–Lots of people are talking about it, but few are having it.” -Eric Hansen, SiteSpect founder and CEO 5
  6. 6. DefinitionWhat is Open (Government) Data? “Open” freely material (data) is open if it can be used, reused and redistributed by anyone “Government data” produced or data and information commissioned by government or government controlled entities. Source: Open Knowledge Foundation, 2010 6
  7. 7. • Transparency• Participation• Collaboration“My administration is committed to creating an unprecedented level ofopenness in Government.” – Barack Obama “Memorandum for the Heads of Executive Departments and Agencies – Transparency and Open Government” Jan 2009
  8. 8. TodayThis Presentation .....Conceptual overview Case Studies The Semantic Web What We Will Do 8
  9. 9. 9
  10. 10. Case Studies Top 10 Apps: Where Does My Money Go 10Source: Telegraph, 2010,
  11. 11. Public Sector DatasetThe State of Open Government Data Source: 11
  12. 12. Open Data StrategiesOpen data instruments“The application of the four types of instruments by the five countries is depicted – the largerthe circle the more instruments are applied” – Huijboom & Van den Broek, 2011. Education and training Voluntary approaches US US AU AU ES ES UK UK DK DK DK DK UK UK ES ES AU AU US US ES ES DK DK ES US US ES AU DK DK AU AU AU UK UK UK UK US US Economic instruments Legislation and control 12
  13. 13. Critical factors Drivers and barries of open data policy implementation 11 Strategies and experience in front runner countries Closed government culture 22 Political leadership Privacy legislation 33 Regional initiatives Limited quality of data 44 Citizen initiatives Limited user-friendliness/information overload 55 Market initiatives Lack of standardization of open data policy 66 Emerging technologies Security threats 77 European legislation Existing charging models 88 Thought leaders Uncertain economic impact 99 Possibility of monitoring government Digital divide 10 10 Budgets cuts Network overloadSource: Huijboom and Van den Broek, 2011 13
  14. 14. TodayThis Presentation .....Conceptual overview Case Studies The Semantic Web What We Will Do 14
  15. 15. Let’s StartWeb in Transition“a steady progression from a document-centric Web to one that is data-centric, including the mediation of semantics” (Source: Mike, 2007) 15
  16. 16. OverviewThe Semantic Web & Linked Data“The Semantic Web isnt just about putting data on the web. It is about making links, so that aperson or machine can explore the web of data.  With linked data, when you have some of it,you can find other, related, data” - TBL. 5 Stars Open linked data ★ Make your stuff available on the Web ★★ Make it available as structured data ★★★ Use open, standard formats (instead of excel) ★★★★ Use a open data format – URLs, descriptions ★★★★★ Link your data to other people’s data 16
  17. 17. OverviewGrowth of Interlinks… Linked Data provides the means to reach the goal of the Semantic Web– “the emergence of a Web of Data” 2007-05-01 2007-10-08 2007-11-10 2008-02-28 2008-03-31 2008-09-18 2009-03-05 2009-03-27 2009-07-14 2010-09-22 17
  18. 18. Structured Wikipedia Multimedia Content DBpedia BBC Commercial Product Government Data Best Buy UK Gov October, 2011 18295 interlinked datasets, approximately 31 billions triples
  19. 19. QuestionWhat is the Semantic Web for? Standards Inference Search Intelligence 19
  20. 20. Case StudiesGoogle’s Semantic Search People should be able to ask questions and we should understand their meaning, or they should be able to talk about things at a conceptual level. ... A lot of people will turn to things like the semantic Web as a possible answer to that.“ - Google Vice President of Search Products & User Experience Marissa Mayer an initiative launched on 2 June 2011 by Bing, Google and Yahoo!  to "create and support a common set of schemas for structured data markup on web pages ." Freebase is an open, Creative Commons licensed repository of structured data of almost 22 million entities. An entity is a single person, place, or thing connected by a graph . The Knowledge Graph is a collection of information sources that help discern a user’s specified intent with each individual query. The graph is actually an encyclopedia with structured information obtained from the web. (currently, 200 million entities) 20
  21. 21. Case StudiesApple’s Siri Ask Siri how Apple recorded the best quarter in history for a tech company, and her answer should be: " Me ." Siri (Speech Interpretation and Recognition Interface ) is Knowledge Navigator (1987) an intelligent personal assistant and knowledge navigator which a concept described by former Apple Computer CEO John works as an application for Apples iOS. Sculley in his 1987 book, Odyssey. A Brief History - In December 2007 Siri, Inc. was formed by Dag Kittlaus (CEO), Adam Cheyer (VP Engineering), and Tom Gruber (CTO/VP Design). - Siri Inc. went after funding and by November 2009 it had secured $15.5 million investment, resulted in the creation of the first Siri application, which debuted on the iPhone 3GS in February 2010. - Siri acquired by Apple; iPhone becomes the Virtual Personal Assistant (Source: 21
  22. 22. Case StudiesActive Ontology A processing formalism where distinct processing elements are arranged according to ontology notions; an execution environment. Basic concepts * Ontology : A data structure - Formal representation for domain knowledge - Classes, attributes, relations * Active Ontology : A processing environment - Processing elements arranged according to ontology notions - Communication channels P movie P genre P actor P rating rule set rule rule rule condition condition condition action action action (Baur et al., 2007) 22
  23. 23. WhyLinked Data and Open Government Data 23
  24. 24. Linked Data life cycles1 2 3 4 5 6 data modeling publishing discovery integration use cases awarenessthedatahub Neologism Google Refine VoID LATC 24/7 datacatalogsLOD cloud DataCube RDB2RDF DCAT duke Sindice CKAN
  25. 25. TodayThis Presentation .....Conceptual overview Case Studies The Semantic Web What We Will Do 25
  26. 26. Reality in crisis, along with a number of other data-related sites of the government such as and, are slated to be shut down due to budget cuts. The current annual budget of $37 million will be reduced to $2 million. – (Guardian April 11) 26
  27. 27. Reality Check in Korea고려 사항11 정부의 역할 : 시스템 구축 vs 생태계 구축 - 통제가 아닌 효율적인 서비스 지향 - 데이터 공개 및 연계를 위한 로드맵 수립 - 정부기관의 데이터 소유 인식 전환 필요22 데이터 플랫폼 : 정부 vs 민간 vs 커뮤니티 - 자발적인 참여와 소비를 촉진하는 전략 필 요33 데이터 민감성 : WikiLeaks vs Open Data - 데이터 범주에 따른 차별화된 공개 전략 - 데이터의 활용에 따른 최적화된 서비스 모 델44 서비스 범위 : Domestic vs International - 서비스 범위에 따른 구축비용 / 운영 모델 - 국제 표준에 기반한 데이터 접근 서비스 제공55 데이터 내용 : 통계 / 수치 데이터 vs 정보형 데이터 기반 시각화에 한정된 모델 지양 - 통계 - 데이터 특성에 맞는 기술 적용 모델 수립 - 지능적인 데이터 매쉬업 지원을66 데이터 형식 : human-readable vs machine-readable 위한 데이터 모델링 검토 27
  28. 28. Conceptual Architecture Vision of Government Open Data “realise significant economic benefits by enabling businesses and non-profit organisations to build innovative applications and websites using public data.” 28(Ding et al., 2012)
  29. 29. Conceptual Architecture Roadmap of linked open government data “the combination of machine power and human power and deliver higher-quality data to a wide range of data consumers via visualization, mashups, and more.” 29(Ding et al., 2012)
  30. 30. SummaryData on the Web Data is information about things Data is something machines can process Data drives applications (e.g. web sites, mobile services) Data is relations among things 30
  31. 31. SummaryOpen Data vs Linked Data Open Data starts with making available the data that you already have, in whatever format. • Equal access for all Open Data • Licensing, legal issues • Transparency • Changing the way government works • URIs • HTTPs Linked Data • RDF vocabularies • Standards 31
  32. 32. What We Will DoInterdisciplinary Collaboration Difficult Concluding Remarks Hope is not a strategy and the “change” has been change for the worse, and not better. 32
  33. 33. References - Charles Baur, Adam Cheyer, Didier Guzzoni, Active, a platform for building intelligent software - Noor Huijboom and Tijs Van den Broek, Open Data: an international comparison of strategies, European journal of ePractices, March/April 2011 - Li Ding, Vassilios Peristeras, and Michael Hausenblas, Linked Open Government Data, IEEE Intelligent Systems, May/June 2012 - Page 1: - Page 4: - Page 9: - Page 27: - Page 29: - Page 29: Page 2 Case Studies - - - - - - 33
  34. 34. For more informationcontact Haklae Kim haklaekimOr read up on thesonagi blog at:

    Be the first to comment

    Login to see the comments

  • leosace

    Jan. 7, 2013
  • nonopark

    Jan. 11, 2013
  • ssuser8ddebc

    Jan. 28, 2013
  • nmovold

    Jan. 30, 2013
  • coolhero

    Jun. 2, 2013
  • glennplas

    Feb. 19, 2015
  • handeum

    Oct. 5, 2015


Total views


On Slideshare


From embeds


Number of embeds