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MAP values to retrieving in Abstract, Title, and MeSH fields using different weighting algorithms.
| Combinations | Algorithms | |||
|---|---|---|---|---|
| BM25 | TF-IDF BM25 | logTF | Raw TF | |
| Porter stemmer-NLM stopwords | 0.2717 | 0.2953 | 0.2683 | 0.2209 |
| Porter stemmer-SMART stopwords | 0.2733 | 0.2930 | 0.2665 | 0.2221 |
| Krovetz stemmer-NLM stopwords | 0.2719 | 0.2929 | 0.2684 | 0.2208 |
| Krovetz stemmer-SMART stopwords | 0.2737 | 0.2904 | 0.2654 | 0.2228 |
The bold font refers to the best values for the parameters.
