Resolving the Scope of Speculation and Negation using Transformer-Based Architectures

Speculation is a naturally occurring phenomena in textual data, forming an integral component of many systems, especially in the biomedical information retrieval domain. Previous work addressing cue detection and scope resolution (the two subtasks of speculation detection) have ranged from rule-based systems to deep learning-based approaches... (read more)

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Results from the Paper


 Ranked #1 on Negation Scope Resolution on BioScope : Abstracts (using extra training data)

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TASK DATASET MODEL METRIC NAME METRIC VALUE GLOBAL RANK USES EXTRA
TRAINING DATA
BENCHMARK
Negation Scope Resolution BioScope : Abstracts XLNet F1 95.74 # 1
Speculation Scope Resolution BioScope : Abstracts XLNet F1 97.87 # 1
Speculation Scope Resolution BioScope : Full Papers XLNet F1 96.91 # 1
Negation Scope Resolution BioScope : Full Papers XLNet F1 94.4 # 1
Negation Scope Resolution *sem 2012 Shared Task: Sherlock Dataset RoBERTa F1 91.59 # 2
Negation Scope Resolution SFU Review Corpus XLNet F1 91.25 # 1
Speculation Scope Resolution SFU Review Corpus XLNet F1 91.00 # 1

Methods used in the Paper