IRCologne at TREC 2021 News Track Relation-based re-ranking for background linking.
Björn EngelmannPhilipp SchaerPublished in: TREC (2021)
Keyphrases
- biomedical information retrieval
- information retrieval
- expert search
- ranking algorithm
- learning to rank
- news articles
- ranking functions
- social media
- topic detection and tracking
- question answering
- test collection
- clef ip
- retrieval effectiveness
- web search
- topic detection
- pseudo relevance feedback
- document level
- keywords
- document rankings
- trec test collections
- ad hoc information retrieval
- link analysis
- document ranking
- user feedback
- ranked list
- relevance feedback
- search engine
- human judgments
- relevance judgments
- news items
- news stories
- query expansion