Automatic tagging time-revealing vocabulary from Thai article news

This paper proposed technique to reduce effort in collecting time-revealing vocabulary and automatic tagging temporal expression approach by minimum set of temporal time phrases for discover new temporal time phrases. In this paper, the experiment about collecting time-revealing vocabulary can reduce effort around 85% from manual approach. The automatic tagging approach uses minimum set of time word for find temporal expression and start to find backward and forward by time keyword for annotate tag temporal expression. In this approach, the performance of automatic tagging experiment has recall around 0.729 and precision around 0.723.