A new interpretation of average precision

Stephen Robertson
2008 Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR '08  
We consider the question of whether Average Precision, as a measure of retrieval effectiveness, can be regarded as deriving from a model of user searching behaviour. It turns out that indeed it can be so regarded, under a very simple stochastic model of user behaviour.
doi:10.1145/1390334.1390453 dblp:conf/sigir/Robertson08 fatcat:azfo5c4hwbdzflg4td22wp6pdu