RGCL-WLV at SemEval-2019 Task 12: Toponym Detection

Alistair Plum, Tharindu Ranasinghe, Pablo Calleja, Constantin Orăsan, Ruslan Mitkov
2019 Proceedings of the 13th International Workshop on Semantic Evaluation  
This article describes the system submitted by the RGCL-WLV team to the SemEval 2019 Task 12: Toponym resolution in scientific papers. The system detects toponyms using a bootstrapped machine learning (ML) approach which classifies names identified using gazetteers extracted from the GeoNames geographical database. The paper evaluates the performance of several ML classifiers, as well as how the gazetteers influence the accuracy of the system. Several runs were submitted. The highest precision
more » ... chieved for one of the submissions was 89%, albeit it at a relatively low recall of 49%.
doi:10.18653/v1/s19-2228 dblp:conf/semeval/PlumRCOM19 fatcat:kjwvhwrpdjdsvcipy6ruolsloa