The Impacts of Structural Difference and Temporality of Tweets on Retrieval Effectiveness.
Lifeng JiaClement T. YuWeiyi MengPublished in: ACM Trans. Inf. Syst. (2013)
Keyphrases
- retrieval effectiveness
- query expansion
- test collection
- information retrieval systems
- information retrieval
- retrieval model
- average precision
- relevant documents
- pseudo relevance feedback
- retrieval efficiency
- retrieved documents
- relevance feedback
- trec test collections
- relevance judgments
- retrieval process
- named entities
- ranked retrieval
- retrieval strategies
- automatic query expansion
- term dependencies
- trec collections
- search terms
- query performance prediction
- database
- document rankings
- patent retrieval
- document collections
- language model
- machine learning