Exact Expected Average Precision of the Random Baseline for System Evaluation
Average precision (AP) is one of the most widely used metrics in information retrieval and natural language processing research. It is usually thought that the expected AP of a system that ranks documents randomly is equal to the proportion of relevant documents in the collection. This paper shows t...
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| Format: | Article |
| Language: | English |
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Sciendo
2015-04-01
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| Series: | Prague Bulletin of Mathematical Linguistics |
| Online Access: | https://doi.org/10.1515/pralin-2015-0007 |