Some Simple Effective Approximations to the 2-Poisson Model for Probabilistic Weighted Retrieval.
Stephen E. RobertsonSteve WalkerPublished in: SIGIR (1994)
Keyphrases
- probabilistic model
- closed form
- computational model
- information retrieval
- computationally tractable
- experimental data
- similarity measure
- poisson process
- management system
- cost function
- prior knowledge
- generative model
- theoretical analysis
- parameter estimation
- supply chain
- mathematical model
- probability distribution
- posterior probability