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- W3029121586 abstract "In this paper, we investigate the task of spatial role labeling for extracting spatial relations from chest X-ray reports. Previous works have shown the usefulness of incorporating syntactic information in extracting spatial relations. We propose syntax-enhanced word representations in addition to word and character embeddings for extracting radiologyspecific spatial roles. We utilize a bidirectional long short-term memory (Bi-LSTM) conditional random field (CRF) as the baseline model to capture the word sequence and employ additional Bi-LSTMs to encode syntax based on dependency tree substructures. Our focus is on empirically evaluating the contribution of each syntax integration method in extracting the spatial roles with respect to a SPATIAL INDICATOR in a sentence. The incorporation of syntax embeddings to the baseline method achieves promising results, with improvements of 1.3, 0.8, 4.6, and 4.6 points in the average F1 measures for TRAJECTOR, LANDMARK, DIAGNOSIS, and HEDGE roles, respectively." @default.
- W3029121586 created "2020-06-05" @default.
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- W3029121586 date "2020-01-01" @default.
- W3029121586 modified "2023-09-27" @default.
- W3029121586 title "Spatial Relation Extraction from Radiology Reports using Syntax-Aware Word Representations." @default.
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