Users versus models: What observation tells us about effectiveness metrics
Retrieval system effectiveness can be measured in two quite different ways: by monitoring the behavior of users and gathering data about the ease and accuracy with which they accomplish certain specified information-seeking tasks; or by using numeric effectiveness metrics to score system runs in reference to a set of relevance judgments. In the second approach, the effectiveness metric is chosen in the belief that user task performance, if it were to be measured by the first approach, should be...[Show more]
|Collections||ANU Research Publications|
|Source:||Proceedings of the 22nd ACM international conference on Conference on information & knowledge management|
|01_Moffat_Users_versus_models:_What_2013.pdf||173.49 kB||Adobe PDF||Request a copy|
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