Recall = | { tagged concepts } ∩ { retrieved concepts } | | { tagged concepts } | {\displaystyle {\mbox{Recall}}={\frac {|\{{\mbox{tagged concepts}}\}\cap \{{\mbox{retrieved concepts}}\}|}{|\{{\mbox{tagged concepts}}\}|}}}
Precision = | { tagged concepts } ∩ { retrieved concepts } | | { retrieved concepts } | {\displaystyle {\mbox{Precision}}={\frac {|\{{\mbox{tagged concepts}}\}\cap \{{\mbox{retrieved concepts}}\}|}{|\{{\mbox{retrieved concepts}}\}|}}}
F = 2 ⋅ ( p r e c i s i o n ⋅ r e c a l l ) / ( p r e c i s i o n + r e c a l l ) . {\displaystyle F=2\cdot (\mathrm {precision} \cdot \mathrm {recall} )/(\mathrm {precision} +\mathrm {recall} ).\,}
