QU at TREC-2014: Online Clustering with Temporal and Topical Expansion for Tweet Timeline Generation

Keyphrases

• Tweets 100%
• Online Clustering 100%
• Timeline Generation 100%
• Ad-hoc Search 66%
• Tweet Clustering 66%
• Incremental Clustering 66%
• Retrieval Model 33%
• Semantic Cluster 33%
• Microblog Stream 33%
• Search Tasks 33%
• Mean Average Precision 33%
• Pseudo-relevance Feedback 33%
• Query Expansion 33%
• Generation Task 33%
• Dynamic Creation 33%
• Temporal Model 33%
• Temporal Information Retrieval 33%

Computer Science

• Online Clustering 100%
• Incremental Clustering 100%
• Microblogs 50%
• retrieval model 50%
• Relevance Feedback 50%
• Mean Average Precision 50%
• Query Expansion 50%
• Information Retrieval 50%