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Results of the system when combining the vector space and the regular expression modules.
| Weighting function concepts.abstracts | Top Precision | Mean average Precision |
| Hybrids: tf.idf (VS) + RegEx | ||
| ltc.lnn | 0.800 | 0.4545 |
| lnc.lnn | 0.791 | 0.453 |
| anc.ntn | 0.787 | 0.4515 |
| atn.ntn | 0.823 | 0.4485 |
