Search Results for author: Xiangjue Dong

Found 13 papers, 5 papers with code

Weakly Supervised Concept Map Generation through Task-Guided Graph Translation

1 code implementation8 Oct 2021 Jiaying Lu, Xiangjue Dong, Carl Yang

Recent years have witnessed the rapid development of concept map generation techniques due to their advantages in providing well-structured summarization of knowledge from free texts.

Document Classification Translation

Transformer-based Context-aware Sarcasm Detection in Conversation Threads from Social Media

no code implementations WS 2020 Xiangjue Dong, Changmao Li, Jinho D. Choi

We present a transformer-based sarcasm detection model that accounts for the context from the entire conversation thread for more robust predictions.

Sarcasm Detection

XD at SemEval-2020 Task 12: Ensemble Approach to Offensive Language Identification in Social Media Using Transformer Encoders

no code implementations SEMEVAL 2020 Xiangjue Dong, Jinho D. Choi

This paper presents six document classification models using the latest transformer encoders and a high-performing ensemble model for a task of offensive language identification in social media.

Document Classification Language Identification

Emora: An Inquisitive Social Chatbot Who Cares For You

no code implementations10 Sep 2020 Sarah E. Finch, James D. Finch, Ali Ahmadvand, Ingyu, Choi, Xiangjue Dong, Ruixiang Qi, Harshita Sahijwani, Sergey Volokhin, Zihan Wang, ZiHao Wang, Jinho D. Choi

Inspired by studies on the overwhelming presence of experience-sharing in human-human conversations, Emora, the social chatbot developed by Emory University, aims to bring such experience-focused interaction to the current field of conversational AI.

Chatbot intent-classification +1

PromptAttack: Probing Dialogue State Trackers with Adversarial Prompts

1 code implementation7 Jun 2023 Xiangjue Dong, Yun He, Ziwei Zhu, James Caverlee

A key component of modern conversational systems is the Dialogue State Tracker (or DST), which models a user's goals and needs.

Everything Perturbed All at Once: Enabling Differentiable Graph Attacks

no code implementations29 Aug 2023 Haoran Liu, Bokun Wang, Jianling Wang, Xiangjue Dong, Tianbao Yang, James Caverlee

As powerful tools for representation learning on graphs, graph neural networks (GNNs) have played an important role in applications including social networks, recommendation systems, and online web services.

Meta-Learning Recommendation Systems +1

DALA: A Distribution-Aware LoRA-Based Adversarial Attack against Language Models

no code implementations14 Nov 2023 Yibo Wang, Xiangjue Dong, James Caverlee, Philip S. Yu

DALA considers distribution shifts of adversarial examples to improve the attack's effectiveness under detection methods.

Adversarial Attack

The Neglected Tails of Vision-Language Models

no code implementations23 Jan 2024 Shubham Parashar, Zhiqiu Lin, Tian Liu, Xiangjue Dong, Yanan Li, Deva Ramanan, James Caverlee, Shu Kong

We address this by using large language models (LLMs) to count the number of pretraining texts that contain synonyms of these concepts.

Retrieval Zero-Shot Learning

Disclosure and Mitigation of Gender Bias in LLMs

1 code implementation17 Feb 2024 Xiangjue Dong, Yibo Wang, Philip S. Yu, James Caverlee

Our experiments demonstrate that all tested LLMs exhibit explicit and/or implicit gender bias, even when gender stereotypes are not present in the inputs.

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