Creating Spatiotemporal Semantic Maps from Web Text Documents - Space-Time Integration in Geography and GIScience - page 167

Table 10.1 Manually annotated and automatically processed precision and recall results based on numbers of solved spatiotemporal references

Correct references Incorrect references Missed references Precision Recall

Spatio-temporal references Manual Automated Manual Automated Manual Automated Manual Automated Manual Automated

20 19 17 1 3 1 2 0.95 0.85 0.95 0.89

50 47 41 3 9 4 6 0.94 0.82 0.92 0.87

80 74 65 6 15 6 10 0.93 0.81 0.93 0.87

126 116 108 10 18 8 15 0.92 0.81 0.94 0.89