Probabilistic Model of IR


Contents:

  1. BIR.1 Formal models in Information Retrieval
  2. BIR.2 Probability ranking principle
  3. BIR.3 Probability of relevance
  4. BIR.4 Probability ranking is optimal
  5. BIR.5 From PRP to a retrieval model
  6. BIR.6 Ranking by the odds ratio
  7. BIR.7 Word independence assumption
  8. BIR.8 Natural zero
  9. BIR.9 Estimating class models
  10. BIR.10 Estimation with relevant examples
  11. BIR.11 Estimation without examples
  12. BIR.12 Example
  13. BIR.13 Summary of assumptions
  14. BIR.14 van Rijsbergen's tree dependence model
  15. BIR.15 Term dependence models in IR
  16. BIR.16 Linked dependence assumption
  17. BIR.17 Modelling term frequency
  18. BIR.18 Harter's two-Poisson model
  19. BIR.19 The Okapi BM25 formula
  20. BIR.20 Summary