BioNLP 2017 2017
DOI: 10.18653/v1/w17-2341
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Representations of Time Expressions for Temporal Relation Extraction with Convolutional Neural Networks

Abstract: Token sequences are often used as the input for Convolutional Neural Networks (CNNs) in natural language processing. However, they might not be an ideal representation for time expressions, which are long, highly varied, and semantically complex. We describe a method for representing time expressions with single pseudotokens for CNNs. With this method, we establish a new state-of-the-art result for a clinical temporal relation extraction task.

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Cited by 32 publications
(13 citation statements)
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“…Tourille and colleagues explored neural networks and domain adaptation strategies (37). Chen and colleagues (38) approach. Some latest trends include DL models that combine a small portion of labeled data with unlabeled publicly available data [Google News (30) and social media] to achieve results about 0.02 F1 below IAA (40).…”
Section: Latest Cnlp Application Developmentsmentioning
confidence: 99%
See 1 more Smart Citation
“…Tourille and colleagues explored neural networks and domain adaptation strategies (37). Chen and colleagues (38) approach. Some latest trends include DL models that combine a small portion of labeled data with unlabeled publicly available data [Google News (30) and social media] to achieve results about 0.02 F1 below IAA (40).…”
Section: Latest Cnlp Application Developmentsmentioning
confidence: 99%
“…The prerequisite for this trend to continue is access to shareable data resources as also pointed out in the 2016 survey article. The colon and brain cancer THYME corpus was used in several general domain conference and workshop articles (37,38,40,(67)(68)(69), whereas a radiology report dataset from a 2007 challenge (available from ref. 70) was used in another (71), and SEER-provided (although unshared thus not available for distribution) corpus was used in yet another (72).…”
Section: Shareable Resources For Nlp In Oncologymentioning
confidence: 99%
“…Traditional machine learning and deep learning methods are now enabling exciting technical advances in this NLP domain; however, more work is needed before complete temporal data can be reliably extracted from clinical free text. [93][94][95][96][97] Taken together, the aforementioned clinical NLP tasks have the potential to provide comprehensive cancercare summaries at the individual and population level, which we hope will improve quality, efficiency, and bias in both patient care and research.…”
Section: Applications Of Nlp In Oncologymentioning
confidence: 99%
“…In the last couple of years, the work in biomedical NLP was dominated by applications of deep learning to: punctuation restoration [68], text classification [69], relation extraction [70] [71] [72] [73], information retrieval [74], and similarity judgments [75], among other exciting progress in biomedical language processing. For a more detailed exploration of recent topics, the BioNLP Annual Workshop [76] covers the most researched and debatable areas.…”
Section: Future Workmentioning
confidence: 99%