Friday, February 14, 2014

Unit 6 Reading Note (2/17)

IIR Chapter 8

Evaluation of unranked retrieval sets: Precision (1-specificity), Recall (sensitivity), F measure.
Evaluation of ranked retrieval sets: interpolated precision, MAP (Mean Average Precision), Precision at k ->R precision, ROC curve and cumulative gain.

Assessing relevance: kappa statistic (agreement between judges)

Marginal relevance: whether a document still has distinctive usefulness after the user has looked at certain other documents.

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