Defining Diversity

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Tutorial at the RENDER Kick-off Meeting, Jozef Stefan Institute

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Defining Diversity

  1. 1. Defining Diversity Marko GrobelnikJozef Stefan Institute
  2. 2. Wikipedia on Diversity
  3. 3. Dictionary definition
  4. 4. What could be diversity in RENDER?o RENDER is a lot about • Communication between people, • …documents of different kinds, • …their usage, and • …in particular, their perceptiono Informally speaking, RENDER is in many ways dealing with modeling of “soft” issues within (mostly textual) communication
  5. 5. Attempt to structure the notion of “diversity” within RENDERo Who are the main “actors” within RENDER scenarios? • Publishers producing content Main stream news, blogs, forums, twitter, … • Users producing usage data Passive readers, Prosumers (consumer/provider)
  6. 6. Diversities coming out of “content”o Topic o Knowledge • What topic is text about? • Fact coverage (difference in (categorization, segmentation) sources)o Social • Relationship extraction (how • Who is writing? (publisher, author) entities are related) • Who is being written about? (people, organizations) o Cross-lingual / Multi-lingual • Influence • What language is being used?o Geographical • Cross-lingual story linking • Where the content was produced? o Context • Which geography is being • Temporal context (story linking, addressed? discussion threads, trends ino Opinion other dimensions) • Sentiment (positive/negative/neutral) • Background knowledge • Opinions (beyond polarized sides) (knowledge bases, ontologies, • Reporting bias (differences) …) • Contrasting with other sources (e.g. main-stream vs. twitter)
  7. 7. Diversities coming out of “usage”o Demographic context • Who is the user? (age, gender, job, income)o Topic • What are user interests? (predefined, calculated)o Geography • Where a user is coming from? (home, accessing)o Access method • How a user is accessing data? (web browser, mobile, forum, phone, email)o Social context • With whom a user is connected to? (social network, communication)o Time • When a user is accessing information (absolute, day of week, hour of day)o Historical • What a user was doing in the past? • How user activities change trough time? (trends)

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