Search Results for author: George Michalopoulos

Found 8 papers, 4 papers with code

Where’s the Question? A Multi-channel Deep Convolutional Neural Network for Question Identification in Textual Data

no code implementations EMNLP (ClinicalNLP) 2020 George Michalopoulos, Helen Chen, Alexander Wong

The gold standard in clinical data capturing is achieved via “expert-review”, where clinicians can have a dialogue with a domain expert (reviewers) and ask them questions about data entry rules.

Sentence

An Investigation of Evaluation Metrics for Automated Medical Note Generation

1 code implementation27 May 2023 Asma Ben Abacha, Wen-wai Yim, George Michalopoulos, Thomas Lin

To study the correlation between the automatic metrics and manual judgments, we evaluate automatic notes/summaries by comparing the system and reference facts and computing the factual correctness, and the hallucination and omission rates for critical medical facts.

Hallucination Knowledge Graph Embedding +1

ICDBigBird: A Contextual Embedding Model for ICD Code Classification

no code implementations BioNLP (ACL) 2022 George Michalopoulos, Michal Malyska, Nicola Sahar, Alexander Wong, Helen Chen

The International Classification of Diseases (ICD) system is the international standard for classifying diseases and procedures during a healthcare encounter and is widely used for healthcare reporting and management purposes.

Classification Code Classification +2

LexSubCon: Integrating Knowledge from Lexical Resources into Contextual Embeddings for Lexical Substitution

1 code implementation ACL 2022 George Michalopoulos, Ian McKillop, Alexander Wong, Helen Chen

Contextual word embedding models have achieved state-of-the-art results in the lexical substitution task by relying on contextual information extracted from the replaced word within the sentence.

Sentence Sentence Similarity

UmlsBERT: Clinical Domain Knowledge Augmentation of Contextual Embeddings Using the Unified Medical Language System Metathesaurus

1 code implementation NAACL 2021 George Michalopoulos, Yuanxin Wang, Hussam Kaka, Helen Chen, Alexander Wong

Contextual word embedding models, such as BioBERT and Bio_ClinicalBERT, have achieved state-of-the-art results in biomedical natural language processing tasks by focusing their pre-training process on domain-specific corpora.

named-entity-recognition Named Entity Recognition +3

Where's the Question? A Multi-channel Deep Convolutional Neural Network for Question Identification in Textual Data

1 code implementation15 Oct 2020 George Michalopoulos, Helen Chen, Alexander Wong

The gold standard in clinical data capturing is achieved via "expert-review", where clinicians can have a dialogue with a domain expert (reviewers) and ask them questions about data entry rules.

Sentence

Record fusion: A learning approach

no code implementations18 Jun 2020 Alireza Heidari, George Michalopoulos, Shrinu Kushagra, Ihab F. Ilyas, Theodoros Rekatsinas

We use this feature vector alongwith the ground-truth information to learn a classifier for each of the attributes of the database.

Attribute

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