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Learning Conceptual-Contextual Embeddings for Medical Text

AAAI 2020 · Vision-language and multimodal › Human and embodied modeling · approach: Medical vision-language models · 10 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
encode concepts with contextual LSTM representations and UMLS knowledge rather than TransE entity embeddingsUMLS entity prediction · UMLS test tripletsfiltered Hits@10 (%): 16.7 -> 65.4Helped
add discriminative training with similar-name negative concepts (ablation)CC-LSTM · UMLS test tripletsfiltered Hits@10 (%): 51.9 -> 65.4Helped
replace the contextual LSTM encoder with a DNN (ablation)CC-LSTM · UMLS test tripletsfiltered Hits@10 (%): 51.9 -> 27.7Hurt
use concept-name contextual representations to score language-inferable knowledgeCC-LSTM (DT) · UMLS language-inferable examplesHits@10 (%): 77.6Helped
rely on concept text to encode non-language-inferable factsCC-LSTM (DT) · UMLS non-language-inferable examplesHits@10 (%): 20.8Hurt
replace the LSTM text encoder with the pretrained CC-LSTMreadmission classifier · MIMIC-III readmission predictionA.R.: 0.794 -> 0.804Helped
replace the LSTM text encoder with the pretrained CC-LSTM30-day mortality classifier · MIMIC-III 30-day post-discharge mortalityA.R.: 0.823 -> 0.839Helped
replace the LSTM text encoder with the pretrained CC-LSTM1-year mortality classifier · MIMIC-III 1-year post-discharge mortalityA.R.: 0.820 -> 0.837Helped
replace the ESIM encoding LSTM with the pretrained CC-LSTMESIM · MedNLI devAcc: 74.8 -> 77.1Helped
replace the ESIM encoding LSTM with the pretrained CC-LSTMESIM · MedNLI testAcc: 71.3 -> 75.2Helped

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