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Scientific organizers
Organizer:
Piek Vossen (Computational Linguistics and Lexicology, VU, Amsterdam)

Co-organizers:
Lora Aroyo (Human Semantics & Semantic Web, CrowdTruth @IBM/VU, Amsterdam)
Antske Fokkens (Computational Linguistics, Digital Humanities, VU, Amsterdam)
Julia Noordegraaf (Media Studies, UvA, Amsterdam)
Ivar Vermeulen (Social Sciences, VU, Amsterdam)
Chris Welty (Massive Scale NLP & Semantics, VU/Google, New York, USA)

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Language, Knowledge and People in Perspective

Workshop Program Day 1 – 4

Day 1 – Tuesday April 18, 2017 — Getting started
Lorentz Center Introduction and Welcome 10:00 10:15
Introduction: Piek Vossen, download presentation here 10:15 11:00
Who is who? What are your perspective stars? 11:00 12:30
Lunch
12:30 14:00
The Perspective Web – Societal Point of View (Part I)
14:00 14:15
Introduction of the Perspective Web: Piek Vossen 14:00 14:15
Presentations 14:15 14:45
Q&A-session/panel 14:45 15:00
Coffee break
15:00 15:15
The Perspective Web – Societal Point of View (Part II)
15:45 16:45
Presentations 15:45 16:15
Panel of speakers and QA 16:15 16:45
Poster Lightning Talks 16:45 17:00
Welcome reception

Day 2 – Wednesday April 19, 2017
NLP and Media Studies: from micro level symbols to interpretations

Program NLP                                                                                                                                              09:00  12:30

Antske Fokkens: Introduction to Natural Language Processing and Perspectives 09:00 09:30
Discussion: NLP: opportunity, feasibility and evaluation (moderator: Antske Fokkens) 09:30   10:15
Coffee break 10:15 10:45
Breakout session

   Topic  Discussion leader
 1.  Are we talking about the same thing? Comparing Micro propositions on which perspectives are expressed :
    – short presentation of the issue: download
    – file with sentences from the vaccination data set mentioning download
 Piek Vossen
 2.  Stereotyping & Framing. Investigating microportraits  Antske Fokkens
 3.  Attribution & Citation  Roser Morante
 4.  Stance Classification: from micro-level to macro-level (and the other way around)
download examples / blog post
 Chantal van Son
 5.  Emotion & Argumentation  Malvina Nissim
 6.  Narratives  Tommaso Caselli

10:45 11:45
Enabling Perspective Stars by NLP (Moderator: Piek Vossen) 11:45 12:30
Lunch 12:30 14:00

Program Media Studies                                                                                                                            14:00   17:00

Julia Noordegraaf: Capturing the Mediation of Perspectives on the Web 14:00 14:20
Introduction to break-out: Qualifying the context of Perspectives in Online Documents on Vaccination  14:20 14:30
Break-out session: vaccination database (instructions)
4 groups led by Julia Noordegraaf, Lora Aroyo, Ivar Vermeulen and Davide Ceolin.
Procedure (by each group)

 Task      Time
 Individual assessment vaccination data on predefined task  15 min
 Group discussion on main 5 context markers     20 min
 Reassessment original judgement based on discussion      10 min
 Concluding discussion: 5 main markers  15 min

14:30 15:30
Tea Break                                                                                                                    
15:30 16:00
Discussion: Strategies to capture the mediation of perspectives (break-out recap) 16:00 16:30

Closing discussion NLP and Media:

  • Common themes threads
  • Proposals for Friday open day agenda
16:30 17:00
Bus (Brouwer Tours) pick up participants for boat workshop dinner 17:15 17:30
Lorentz Workshop Dinner

Day 3 – Thursday April 20, 2017
Semantic Web and Social Sciences: Ambiguity and Sender Perspective

Program Semantic Web                                                                                                                            09:00   12:30

Perspective on Ambiguity
 Aldo Gangemi & Valentina Presutti   Ambiguity is the consequence of bad design  9:00-9:10
 Pontus Stenetorp  Machines that read and reason  9:10-9:20
 Various participants  1 min pitches: My Experience with Ambiguity  9:20-9:30

09:00 09:30
Break-out session What is the meaning of this! 
5 groups led by Lora Aroyo, Chris Welty, Pontus Stenetorp, Aldo Gangemi and Valentina Presutti
  • Theme: Identifying, cataloging and defining ambiguity
  • Data: vaccination data
09:30 10:30
Coffee break
10:30 11:00
Chris Welty: Recent results in Ambiguity through Crowdsourcing 11:00 11:30
Break-out Summary and Discussion (Moderator: Lora Aroyo) 11:30 12:30
Lunch 12:30 14:00

Program Social Sciences                                                                                                                          14:00   17:00

Ivar Vermeulen: Where do statements come from?
14:00 14:20
Introduction to break-out: Towards operationalizing sender perspectives (Ivar Vermeulen)
14:20 14:30
Break-out session:
4 interdisciplinary groups led by Ivar Vermeulen, Camiel Beukeboom and Benjamin Johnson.
Main questions:
  1. Come up with operational definitions to assess specific source characteristics (e.g. role, expertise, position) and/or contextual factors (e.g. anonymity, tone, prior messages) (40min)
  2. Discussion on feasibility of the approach: can we assess “perspective-ladeness”? Can we strip the perspective from the statement? Does it help process information more accurately?
14:30 15:30
Tea break 15:30 16:00
Summary of break-out and discussion on the mediation of Perspectives  16:00 16:30
Discussion on NLP and Social Sciences:

  • Common threads/themes
  • Open issues for Friday’s discussion
16:30 17:00

Day 4 – Friday April 21, 2017
Wrap-up, synthesis and future plans

Discussion: open topics; revising and generalising stars 09:00 10:30
Coffee break 10:30 11:00
Write-a-thon 11:00 12:00
Future perspectives and Concluding Remarks    12:00 12:30