Quoted Sources in the Media: separate Agendas?

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Paper presented at Future of Agenda Setting, 29 November 2012, Antwerp

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Quoted Sources in the Media: separate Agendas?

  1. 1. Theory Methodology Reliability Results Quoted Sources in the Media: separate Agendas? Wouter van Atteveldt 29 November 2012Quoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  2. 2. Theory Methodology Reliability ResultsQuotes sources in the Media ˆ Media are an actor with an institutional agenda ˆ But also a platform for other actors ˆ Complex relations: ˆ Media and politics ˆ Journalist and politician ˆ Media content and e.g. parliamentary debate ˆ Can we determine the use of the media as a platform by politicians?Quoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  3. 3. Theory Methodology Reliability ResultsMedia Logic ˆ Media Logic: media as institution with own logic ˆ Mediatisation: politics adapt to/adopt this logic ˆ Agenda settings: media set the political agenda ˆ Mixed results (Walgrave/Van Aelst, Van Nooije, etc)Quoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  4. 4. Theory Methodology Reliability ResultsInstitutions, actors, and media ˆ `The media is a complex concept ˆ Institution: journalistic norms and practices ˆ Actors: journalists, businesses ˆ Medium: part of communication channel ˆ Media have dierent functions ˆ Reporter / mirror ˆ Investigator / watchdog ˆ PlatformQuoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  5. 5. Theory Methodology Reliability ResultsMedia as platform ˆ Politicians use media as platform ˆ Mediatisation: politicians play by media rules ˆ Responsiveness: quick symoblic responses ˆ Who determines the content of quotes? ˆ Supply: quotes from politicians ← political logic ˆ Demand: news values of journalists ← media logicQuoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  6. 6. Theory Methodology Reliability ResultsMedia Quotes as Agenda? ˆ Do the quotes count as a separate agenda? ˆ Media content = Media as institution ˆ How does `quoted agenda relate to traditional agendas? ˆ Missing link in media logic / mediatisation debateQuoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  7. 7. Theory Methodology Reliability ResultsEmpirically investigating media quotes ˆ Highly reciprocal relations ˆ Many dierent actors ˆ Large datasets needed ˆ Can we extract quotes and sources automatically?Quoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  8. 8. Theory Methodology Reliability ResultsGrammatical Analysis ˆ Sentences parsed automatically (Alpino) ˆ Yields dependency graph ˆ Transformation rules applied to enrich graph with semantic roles ˆ QuoteQuoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  9. 9. Theory Methodology Reliability ResultsQuoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  10. 10. Theory Methodology Reliability ResultsTransformation rules INSERT {?x :quoteobj ?y} WHERE {?x :lexclass zeg . ?y :rel_body / :rel_vc ?x}Quoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  11. 11. Theory Methodology Reliability ResultsTransformation rules INSERT {?x :quoteobj ?y} WHERE {?x :lexclass zeg; :rel_tag ?y . ?y ?z [ :lemma ] FILTER NOT EXISTS {?z :quoteobj ?y} }Quoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  12. 12. Theory Methodology Reliability ResultsQuoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  13. 13. Theory Methodology Reliability ResultsQuoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  14. 14. Theory Methodology Reliability ResultsQuoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  15. 15. Theory Methodology Reliability ResultsReliability ˆ 200 random sentences with a quote detected ˆ 200 random sentences witouth a quote ˆ Manually coded random sampleQuoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  16. 16. Theory Methodology Reliability ResultsReliability Metric Source Quote Prec. 0.90 0.79 Recall 0.83 0.77 F1 0.86 0.78 ˆ Ignoring: ˆ Whole-sentence quotes ˆ Anaphora resolutionQuoted Sources in the Media: separate Agendas? Wouter van Atteveldt
  17. 17. Theory Methodology Reliability ResultsResults ˆ Quotes can be extracted automatically ˆ Much work needed to understand role of media as institiution, actor, and platform ˆ Quote analsis can shed light on agenda setting, mediatisation debates ˆ Some preliminary substantive results ˆ VAR analysis of quotes on crisis ˆ of government, parliament others ˆ Signicant eect of government → parliament ˆ No other eectsQuoted Sources in the Media: separate Agendas? Wouter van Atteveldt

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