Semantic Role Labeling for Learner Chinese: the Importance of Syntactic Parsing and L2-L1 Parallel Data Zi Lin123, Yuguang Duan3, Yuanyuan Zhao125, Weiwei Sun124 and Xiaojun Wan12 1Institute of Computer Science and Technology, Peking University 2The MOE Key Laboratory of Computational Linguistics, Peking University 3Department of Chinese Language and Literature, Peking University 4Center for Chinese Linguistics, Peking University 5Academy for Advanced Interdisciplinary Studies, Peking University fzi.lin,ariaduan,ws,
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[email protected] Abstract scoring. In this paper, we study semantic pars- This paper studies semantic parsing for in- ing for interlanguage, taking semantic role label- terlanguage (L21), taking semantic role label- ing (SRL) as a case task and learner Chinese as a ing (SRL) as a case task and learner Chi- case language. nese as a case language. We first manu- Before discussing a computation system, we ally annotate the semantic roles for a set of first consider the linguistic competence and per- learner texts to derive a gold standard for formance. Can human robustly understand learner automatic SRL. Based on the new data, we texts? Or to be more precise, to what extent, a na- then evaluate three off-the-shelf SRL systems, i.e., the PCFGLA-parser-based, neural-parser- tive speaker can understand the meaning of a sen- based and neural-syntax-agnostic systems, to tence written by a language learner? Intuitively, gauge how successful SRL for learner Chi- the answer is towards the positive side. To validate