Papers › Corpus Selection Approaches for Multilingual Parsing from Raw Text to Universal Dependencies
Corpus Selection Approaches for Multilingual Parsing from Raw Text to Universal Dependencies
Ryan Hornby, Clark Taylor, Jungyeul Park
This paper describes UALing{'}s approach to the \textit{CoNLL 2017 UD Shared Task} using corpus selection techniques to reduce training data size. The methodology is simple: we use similarity measures to select a corpus from available training data (even from multiple corpora for surprise languages) and use the resulting corpus to complete the parsing task. The training and parsing is done with the baseline UDPipe system (Straka et al., 2016). While our approach reduces the size of training data significantly, it retains performance within 0.5{\%} of the baseline system. Due to the reduction in training data size, our system performs faster than the na{\"\i}ve, complete corpus method. Specifically, our system runs in less than 10 minutes, ranking it among the fastest entries for this task. Our system is available at \url{https://github.com/CoNLL-UD-2017/UALING}.
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