Power Law Distributions in Information Retrieval.
Casper PetersenJakob Grue SimonsenChristina LiomaPublished in: ACM Trans. Inf. Syst. (2016)
Keyphrases
- information retrieval
- power law distribution
- power laws
- information retrieval systems
- search engine
- document collections
- information extraction
- word frequencies
- power law
- relevant documents
- learning to rank
- long tail
- language model
- query expansion
- relevance feedback
- content analysis
- social influence
- tagging systems
- social networks