Search Results for author: Ozlem Uzuner

Found 26 papers, 4 papers with code

Leveraging Offensive Language for Sarcasm and Sentiment Detection in Arabic

no code implementations EACL (WANLP) 2021 Fatemah Husain, Ozlem Uzuner

Sarcasm detection is one of the top challenging tasks in text classification, particularly for informal Arabic with high syntactic and semantic ambiguity.

Sarcasm Detection Sentiment Analysis +2

Extracting Social Determinants of Health from Pediatric Patient Notes Using Large Language Models: Novel Corpus and Methods

1 code implementation31 Mar 2024 Yujuan Fu, Giridhar Kaushik Ramachandran, Nicholas J Dobbins, Namu Park, Michael Leu, Abby R. Rosenberg, Kevin Lybarger, Fei Xia, Ozlem Uzuner, Meliha Yetisgen

In this work, we present a novel annotated corpus, the Pediatric Social History Annotation Corpus (PedSHAC), and evaluate the automatic extraction of detailed SDoH representations using fine-tuned and in-context learning methods with Large Language Models (LLMs).

In-Context Learning

A Novel Corpus of Annotated Medical Imaging Reports and Information Extraction Results Using BERT-based Language Models

no code implementations27 Mar 2024 Namu Park, Kevin Lybarger, Giridhar Kaushik Ramachandran, Spencer Lewis, Aashka Damani, Ozlem Uzuner, Martin Gunn, Meliha Yetisgen

Here, we introduce the Corpus of Annotated Medical Imaging Reports (CAMIR), which includes 609 annotated radiology reports from three imaging modality types: Computed Tomography, Magnetic Resonance Imaging, and Positron Emission Tomography-Computed Tomography.

Anatomy

MASON-NLP at eRisk 2023: Deep Learning-Based Detection of Depression Symptoms from Social Media Texts

no code implementations17 Oct 2023 Fardin Ahsan Sakib, Ahnaf Atef Choudhury, Ozlem Uzuner

With this in mind, the eRisk 2023 Task 1 was designed to do exactly that: assess the relevance of different sentences to the symptoms of depression as outlined in the BDI questionnaire.

Sentence

MasonNLP+ at SemEval-2023 Task 8: Extracting Medical Questions, Experiences and Claims from Social Media using Knowledge-Augmented Pre-trained Language Models

no code implementations26 Apr 2023 Giridhar Kaushik Ramachandran, Haritha Gangavarapu, Kevin Lybarger, Ozlem Uzuner

The Reddit Health Online Talk (RedHot) corpus contains posts from medical condition-related subreddits with annotations characterizing the patient experience and medical conditions.

Language Modelling Misinformation

LeafAI: query generator for clinical cohort discovery rivaling a human programmer

no code implementations13 Apr 2023 Nicholas J Dobbins, Bin Han, Weipeng Zhou, Kristine Lan, H. Nina Kim, Robert Harrington, Ozlem Uzuner, Meliha Yetisgen

Conclusions: Our work contributes a state-of-the-art data model-agnostic query generation system capable of conditional reasoning using a knowledge base.

Logical Reasoning named-entity-recognition +2

Progress Note Understanding -- Assessment and Plan Reasoning: Overview of the 2022 N2C2 Track 3 Shared Task

no code implementations14 Mar 2023 Yanjun Gao, Dmitriy Dligach, Timothy Miller, Matthew M Churpek, Ozlem Uzuner, Majid Afshar

The goal of the task was to identify and prioritize diagnoses as the first steps in diagnostic decision support to find the most relevant information in long documents like daily progress notes.

The Leaf Clinical Trials Corpus: a new resource for query generation from clinical trial eligibility criteria

1 code implementation27 Jul 2022 Nicholas J Dobbins, Tony Mullen, Ozlem Uzuner, Meliha Yetisgen

In order to identify potential participants at scale, these criteria must first be translated into queries on clinical databases, which can be labor-intensive and error-prone.

Online User Profiling to Detect Social Bots on Twitter

no code implementations9 Mar 2022 Maryam Heidari, James H Jr Jones, Ozlem Uzuner

The new proposed model for bot detection creates user profiles based on personal information such as age, personality, gender, education from users' online posts and introduces a machine learning model to detect social bots with high prediction accuracy based on personal information.

BIG-bench Machine Learning

A Scoping Review of Publicly Available Language Tasks in Clinical Natural Language Processing

no code implementations7 Dec 2021 Yanjun Gao, Dmitriy Dligach, Leslie Christensen, Samuel Tesch, Ryan Laffin, Dongfang Xu, Timothy Miller, Ozlem Uzuner, Matthew M Churpek, Majid Afshar

Conclusions: The existing clinical NLP tasks cover a wide range of topics and the field will continue to grow and attract more attention from both general domain NLP and clinical informatics community.

Extracting Radiological Findings With Normalized Anatomical Information Using a Span-Based BERT Relation Extraction Model

no code implementations20 Aug 2021 Kevin Lybarger, Aashka Damani, Martin Gunn, Ozlem Uzuner, Meliha Yetisgen

Medical imaging reports distill the findings and observations of radiologists, creating an unstructured textual representation of unstructured medical images.

Relation Relation Extraction

Transferability of Neural Network Clinical De-identification Systems

no code implementations17 Feb 2021 Kahyun Lee, Nicholas J. Dobbins, Bridget McInnes, Meliha Yetisgen, Ozlem Uzuner

We measured: transferability from external sources; transferability across note types; the contribution of external source data when in-domain training data are available; and transferability across institutions.

De-identification Domain Generalization

Jointly Learning Clinical Entities and Relations with Contextual Language Models and Explicit Context

no code implementations17 Feb 2021 Paul Barry, Sam Henry, Meliha Yetisgen, Bridget McInnes, Ozlem Uzuner

We hypothesize that explicit integration of contextual information into an Multi-task Learning framework would emphasize the significance of context for boosting performance in jointly learning Named Entity Recognition (NER) and Relation Extraction (RE).

Multi-Task Learning named-entity-recognition +4

Transfer Learning Approach for Arabic Offensive Language Detection System -- BERT-Based Model

no code implementations9 Feb 2021 Fatemah Husain, Ozlem Uzuner

In our study, we apply the principles of transfer learning cross multiple Arabic offensive language datasets to compare the effects on system performance.

Transfer Learning

Exploratory Arabic Offensive Language Dataset Analysis

no code implementations20 Jan 2021 Fatemah Husain, Ozlem Uzuner

This paper adding more insights towards resources and datasets used in Arabic offensive language research.

SalamNET at SemEval-2020 Task 12: Deep Learning Approach for Arabic Offensive Language Detection

no code implementations SEMEVAL 2020 Fatemah Husain, Jooyeon Lee, Sam Henry, Ozlem Uzuner

This paper describes SalamNET, an Arabic offensive language detection system that has been submitted to SemEval 2020 shared task 12: Multilingual Offensive Language Identification in Social Media.

Language Identification

SalamNET at SemEval-2020 Task12: Deep Learning Approach for Arabic Offensive Language Detection

no code implementations28 Jul 2020 Fatemah Husain, Jooyeon Lee, Samuel Henry, Ozlem Uzuner

This paper describes SalamNET, an Arabic offensive language detection system that has been submitted to SemEval 2020 shared task 12: Multilingual Offensive Language Identification in Social Media.

Language Identification

Deep Learning for Identification of Adverse Effect Mentions In Twitter Data

no code implementations WS 2019 Paul Barry, Ozlem Uzuner

Social Media Mining for Health Applications (SMM4H) Adverse Effect Mentions Shared Task challenges participants to accurately identify spans of text within a tweet that correspond to Adverse Effects (AEs) resulting from medication usage (Weissenbacher et al., 2019).

Extraction and Analysis of Clinically Important Follow-up Recommendations in a Large Radiology Dataset

1 code implementation14 May 2019 Wilson Lau, Thomas H Payne, Ozlem Uzuner, Meliha Yetisgen

Communication of follow-up recommendations when abnormalities are identified on imaging studies is prone to error.

Sentence

Feature-Augmented Neural Networks for Patient Note De-identification

no code implementations WS 2016 Ji Young Lee, Franck Dernoncourt, Ozlem Uzuner, Peter Szolovits

In this work, we explore a method to incorporate human-engineered features as well as features derived from EHRs to a neural-network-based de-identification system.

De-identification

De-identification of Patient Notes with Recurrent Neural Networks

1 code implementation10 Jun 2016 Franck Dernoncourt, Ji Young Lee, Ozlem Uzuner, Peter Szolovits

It yields an F1-score of 97. 85 on the i2b2 2014 dataset, with a recall 97. 38 and a precision of 97. 32, and an F1-score of 99. 23 on the MIMIC de-identification dataset, with a recall 99. 25 and a precision of 99. 06.

De-identification Feature Engineering

Normalization of Relative and Incomplete Temporal Expressions in Clinical Narratives

no code implementations16 Oct 2015 Weiyi Sun, Anna Rumshisky, Ozlem Uzuner

We analyze the RI-TIMEXes in temporally annotated corpora and propose two hypotheses regarding the normalization of RI-TIMEXes in the clinical narrative domain: the anchor point hypothesis and the anchor relation hypothesis.

Classification General Classification +4

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