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Finding Journalists in Twitter

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by

Mossaab Bagdouri

on 20 October 2015

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Transcript of Finding Journalists in Twitter

Political Journalists and Twitter
Who is a Journalist
Option 1
Seed and Candidate Sets
Sorting Candidates
Follows
Mentions
Combined
Annotations
Performance
Retrieval Diversity
Annotation Cost
Thank you!
Finding
Arab Journalists
in Twitter

The unprecedented phenomenon of almost daily suicides, and displaying children publicly for sale because of poverty confirms that the military is leading Egypt towards the abyss.
“ All of our public comments will be seen as linked to the newspaper […] So we cannot take political stands, and we cannot take sides ”
402 journalists
170k Candidates
Social Graph
Text Features
402 journalists
170k Candidates
402 journalists
170k Candidates
the
the
RT
RT
Journalist
Opinions
Al-Jazeera
Journalist
Opinions
Al-Jazeera
3 annotators
Pool of 1,441 accounts
Agreement with first author
Mentions Follows Combined
F B
G F
A D
B H
B
D G
G D
H
H
F
Conclusion and Future Work
Conclusion
Two methods to extend a set of seed journalists
Future Work
Social Graph
High precision
Prominent journalists
Text Features
Higher precision
Less active journalists
Limited training data are sufficient
Other features
Social Graph
Physical proximity
Text Features
Tweet content, hashtags
Combining evidence
Other professions
1. Get a definition:
Person who collects, writes or distributes news or other current information
2. Apply it:
Citizen journalists?
Retweeting?
Option 2
1. Find some journalists
2. Train a machine to learn who they are
(Seed set)
3. Ask this machine to tell if some people are journalists
(Candidate set)
Full transcript