Search Results for author: SHimei Pan

Found 29 papers, 2 papers with code

Incorporating medical knowledge in BERT for clinical relation extraction

no code implementations EMNLP 2021 Arpita Roy, SHimei Pan

In recent years pre-trained language models (PLM) such as BERT have proven to be very effective in diverse NLP tasks such as Information Extraction, Sentiment Analysis and Question Answering.

Question Answering Relation +2

Incorporating LIWC in Neural Networks to Improve Human Trait and Behavior Analysis in Low Resource Scenarios

no code implementations LREC 2022 Isil Yakut Kilic, SHimei Pan

In this research, we investigate diverse methods to incorporate Linguistic Inquiry and Word Count (LIWC), a widely-used psycholinguistic lexicon, in NN models to improve human trait and behavior analysis in low resource scenarios.

RAGged Edges: The Double-Edged Sword of Retrieval-Augmented Chatbots

no code implementations2 Mar 2024 Philip Feldman. James R. Foulds, SHimei Pan

Large language models (LLMs) like ChatGPT demonstrate the remarkable progress of artificial intelligence.

Retrieval

Trapping LLM Hallucinations Using Tagged Context Prompts

no code implementations9 Jun 2023 Philip Feldman, James R. Foulds, SHimei Pan

Recent advances in large language models (LLMs), such as ChatGPT, have led to highly sophisticated conversation agents.

Hallucination

Fair Inference for Discrete Latent Variable Models

no code implementations15 Sep 2022 Rashidul Islam, SHimei Pan, James R. Foulds

It is now well understood that machine learning models, trained on data without due care, often exhibit unfair and discriminatory behavior against certain populations.

Fairness Representation Learning +1

Tell Me Something That Will Help Me Trust You: A Survey of Trust Calibration in Human-Agent Interaction

no code implementations6 May 2022 George J. Cancro, SHimei Pan, James Foulds

In this paper we survey literature in the area of trust between a single human supervisor and a single agent subordinate to determine the nature and extent of this additional information and to characterize it into a taxonomy that can be leveraged by future researchers and intelligent agent practitioners.

Fairness Amidst Non-IID Graph Data: Current Achievements and Future Directions

no code implementations15 Feb 2022 Wenbin Zhang, SHimei Pan, Shuigeng Zhou, Toby Walsh, Jeremy C. Weiss

The importance of understanding and correcting algorithmic bias in machine learning (ML) has led to an increase in research on fairness in ML, which typically assumes that the underlying data is independent and identically distributed (IID).

Fairness

User Acceptance of Gender Stereotypes in Automated Career Recommendations

no code implementations13 Jun 2021 Clarice Wang, Kathryn Wang, Andrew Bian, Rashidul Islam, Kamrun Naher Keya, James Foulds, SHimei Pan

In other words, our results demonstrate we cannot fully address the gender bias issue in AI recommendations without addressing the gender bias in humans.

BIG-bench Machine Learning

Learning User Embeddings from Temporal Social Media Data: A Survey

no code implementations17 May 2021 Fatema Hasan, Kevin S. Xu, James R. Foulds, SHimei Pan

User-generated data on social media contain rich information about who we are, what we like and how we make decisions.

Representation Learning

Analyzing COVID-19 Tweets with Transformer-based Language Models

no code implementations20 Apr 2021 Philip Feldman, Sim Tiwari, Charissa S. L. Cheah, James R. Foulds, SHimei Pan

This paper describes a method for using Transformer-based Language Models (TLMs) to understand public opinion from social media posts.

Fair Representation Learning for Heterogeneous Information Networks

1 code implementation18 Apr 2021 Ziqian Zeng, Rashidul Islam, Kamrun Naher Keya, James Foulds, Yangqiu Song, SHimei Pan

Recently, much attention has been paid to the societal impact of AI, especially concerns regarding its fairness.

Fairness Representation Learning

Equitable Allocation of Healthcare Resources with Fair Cox Models

no code implementations14 Oct 2020 Kamrun Naher Keya, Rashidul Islam, SHimei Pan, Ian Stockwell, James R. Foulds

Healthcare programs such as Medicaid provide crucial services to vulnerable populations, but due to limited resources, many of the individuals who need these services the most languish on waiting lists.

Fairness

Causal Feature Selection with Dimension Reduction for Interpretable Text Classification

no code implementations9 Oct 2020 Guohou Shan, James Foulds, SHimei Pan

Text features that are correlated with class labels, but do not directly cause them, are sometimesuseful for prediction, but they may not be insightful.

Causal Inference Dimensionality Reduction +4

Neural Fair Collaborative Filtering

no code implementations2 Sep 2020 Rashidul Islam, Kamrun Naher Keya, Ziqian Zeng, SHimei Pan, James Foulds

A growing proportion of human interactions are digitized on social media platforms and subjected to algorithmic decision-making, and it has become increasingly important to ensure fair treatment from these algorithms.

Collaborative Filtering Decision Making +1

Supervising Unsupervised Open Information Extraction Models

no code implementations IJCNLP 2019 Arpita Roy, Youngja Park, Taesung Lee, SHimei Pan

We propose a novel supervised open information extraction (Open IE) framework that leverages an ensemble of unsupervised Open IE systems and a small amount of labeled data to improve system performance.

Open Information Extraction Relation +1

Predicting Malware Attributes from Cybersecurity Texts

no code implementations NAACL 2019 Arpita Roy, Youngja Park, SHimei Pan

Text analytics is a useful tool for studying malware behavior and tracking emerging threats.

Attribute

Bayesian Modeling of Intersectional Fairness: The Variance of Bias

no code implementations18 Nov 2018 James Foulds, Rashidul Islam, Kamrun Keya, SHimei Pan

Intersectionality is a framework that analyzes how interlocking systems of power and oppression affect individuals along overlapping dimensions including race, gender, sexual orientation, class, and disability.

Fairness

An Intersectional Definition of Fairness

2 code implementations22 Jul 2018 James Foulds, Rashidul Islam, Kamrun Naher Keya, SHimei Pan

We propose definitions of fairness in machine learning and artificial intelligence systems that are informed by the framework of intersectionality, a critical lens arising from the Humanities literature which analyzes how interlocking systems of power and oppression affect individuals along overlapping dimensions including gender, race, sexual orientation, class, and disability.

BIG-bench Machine Learning Fairness

UMBC at SemEval-2018 Task 8: Understanding Text about Malware

no code implementations SEMEVAL 2018 Ankur Padia, Arpita Roy, Taneeya Satyapanich, Francis Ferraro, SHimei Pan, Youngja Park, Anupam Joshi, Tim Finin

We describe the systems developed by the UMBC team for 2018 SemEval Task 8, SecureNLP (Semantic Extraction from CybersecUrity REports using Natural Language Processing).

Attribute

Automatically Infer Human Traits and Behavior from Social Media Data

no code implementations11 Apr 2018 Shimei Pan, Tao Ding

Given the complexity of human minds and their behavioral flexibility, it requires sophisticated data analysis to sift through a large amount of human behavioral evidence to model human minds and to predict human behavior.

Multi-View Unsupervised User Feature Embedding for Social Media-based Substance Use Prediction

no code implementations EMNLP 2017 Tao Ding, Warren K. Bickel, SHimei Pan

In this paper, we demonstrate how the state-of-the-art machine learning and text mining techniques can be used to build effective social media-based substance use detection systems.

Social Media-based Substance Use Prediction

no code implementations16 May 2017 Tao Ding, Warren K. Bickel, SHimei Pan

In this paper, we demonstrate how the state-of-the-art machine learning and text mining techniques can be used to build effective social media-based substance use detection systems.

\$1 Today or \$2 Tomorrow? The Answer is in Your Facebook Likes

no code implementations22 Mar 2017 Tao Ding, Warren K. Bickel, SHimei Pan

In economics and psychology, delay discounting is often used to characterize how individuals choose between a smaller immediate reward and a larger delayed reward.

Decision Making

Personalized Emphasis Framing for Persuasive Message Generation

no code implementations EMNLP 2016 Tao Ding, SHimei Pan

In this paper, we present a study on personalized emphasis framing which can be used to tailor the content of a message to enhance its appeal to different individuals.

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