Grid Tagging Scheme for Aspect-oriented Fine-grained Opinion Extraction

9 Oct 2020 Zhen Wu Chengcan Ying Fei Zhao Zhifang Fan Xinyu Dai Rui Xia

Aspect-oriented Fine-grained Opinion Extraction (AFOE) aims at extracting aspect terms and opinion terms from review in the form of opinion pairs or additionally extracting sentiment polarity of aspect term to form opinion triplet. Because of containing several opinion factors, the complete AFOE task is usually divided into multiple subtasks and achieved in the pipeline... (read more)

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TASK DATASET MODEL METRIC NAME METRIC VALUE GLOBAL RANK RESULT BENCHMARK
Aspect Sentiment Triplet Extraction SemEval GTS-BERT F1 70.20 # 1

Methods used in the Paper