Keyphrases
- social media
- question answering
- information retrieval
- query expansion
- social networks
- online social networks
- cross language
- social networking
- ad hoc retrieval
- cross lingual
- dublin city university
- test collection
- user generated content
- micro blogging
- itc irst
- multilingual information retrieval
- domain specific track
- query translation
- social relationships
- social media platforms
- speech transcripts
- microblog posts
- social networking sites
- polarity classification
- latin america
- topic detection
- spoken document retrieval
- qa clef
- cross language retrieval
- evaluation campaigns
- cross language ir