Addressing Community Question Answering in English and Arabic
Table 6: Performance of different rank features (all models include RBF kernel on similarities and tree kernel) on the Question–Question similarity dataset. † shows statistically significant results (at 95%) with respect to GR.
['Model', 'DEV MAP', 'DEV AvgRec', 'DEV MRR', 'TEST MAP', 'TEST AvgRec', 'TEST MRR']
While all combinations improve above the baseline, there is no clear indication on the choice between pos or pos−1. However, the use of the RBF kernel results in the highest performance.