The measures precision,recall, fallout and miss as a function of the number of retrieved documents and their mutual interrelations |
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| Authors: | L Egghe |
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| Institution: | Universiteit Hasselt (UH), Universitaire Campus, B-3590 Diepenbeek, Belgium; Universiteit Antwerpen (UA), Campus Drie Eiken, Universiteitsplein 1, B-2610 Wilrijk, Belgium |
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| Abstract: | In this paper, for the first time, we present global curves for the measures precision, recall, fallout and miss in function of the number of retrieved documents. Different curves apply for different retrieved systems, for which we give exact definitions in terms of a retrieval density function: perverse retrieval, perfect retrieval, random retrieval, normal retrieval, hereby extending results of Buckland and Gey and of Egghe in the following sense: mathematically more advanced methods yield a better insight into these curves, more types of retrieval are considered and, very importantly, the theory is developed for the “complete” set of measures: precision, recall, fallout and miss. |
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| Keywords: | Precision Recall Fallout Miss Retrieved documents Perverse retrieval Perfect retrieval Random retrieval Normal retrieval |
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