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Use of graphs for political analysis

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Use of graphs for political analysis by Diego Olano and Francisco Rodríguez at Graph-TA 2015

Publicada em: Tecnologia
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Use of graphs for political analysis

  1. 1. Use of graphs for political analysis Diego Olano, Francisco Rodríguez
  2. 2. The problem Extracting social networks of politicians and relevant third party actors based on different media sources (news articles) and parliamentary data These networks can be used for news summarization and for detecting patterns of collaboration/opposition between politicians, companies and NGOs indicative of a lobbying process. 2 approaches ● Co-occurrence based approach ● Topic based approach
  3. 3. Co-occurrence based approach Searching for articles regarding to Democratic Representative Garnet Coleman Found 1200 articles from 4 different new sites Extract entities and form links based on sentence based distance metric. Resulting filtered graph of entities with more than ten co-occurences with Garnet.
  4. 4. Co-occurrence based approach
  5. 5. Topic based approach
  6. 6. Topic based approach
  7. 7. Results ● Ongoing process… ● Demo available at http://www.whoyouelect.com/, shown at Poster session ● Available for the Catalan and Texan parliaments on May 2015
  8. 8. Challenges we are facing ● Defining thresholds for the relevance of relationships ● Recognizing and disambiguating entities/coreference resolution over different languages ● Validating the social networks obtained