Craig Macdonald
added a comment - Paper is at http://ir.dcs.gla.ac.uk/terrier/publications/fulltext_plachouras.pdf
Vassilis discussed two approximations of the multinomial model, which were called ML2 and ML_
{D}
2. The latter of these used Lancos approximation instead of using Stirling series to calcualte the factorials in ML2.
Paper is at http://ir.dcs.gla.ac.uk/terrier/publications/fulltext_plachouras.pdf
Vassilis discussed two approximations of the multinomial model, which were called ML2 and ML_
{D}2. The latter of these used Lancos approximation instead of using Stirling series to calcualte the factorials in ML2.