activity
20192026
most citedNADI 2020: The First Nuanced Arabic Dialect Identification Shared Task

57 citations · 190 across the 32 of their papers we have counts for

collaborators

33 papers

cs.IR2026

The Case Against Generation for Retrieval: Discriminative Language Models as Effective Retrievers

Zhe Xu, Prachi Agrawal, Kavosh Asadi +17

Large Language Models (LLMs) have emerged as powerful assets for recommender systems. However, deploying them as generative recommenders or zero-shot rankers at web-scale remains b…

cs.IR2026

Tokenizing Numerical and Embedding Features for LLM RecSys

Zhe Xu, Ankit Peshin, Chiyu Zhang +7

Large language models (LLMs) are increasingly used as backbone architectures for recommender systems because of their strong sequence modeling and representation learning capabilit…

cs.CL2026

LatentMT: Machine Translation with Latent Reasoning

Wei-Rui Chen, Samar M. Magdy, Chiyu Zhang +3

Latent-reasoning looped language models (LoopLMs) offer a different scaling path for machine translation (MT): instead of increasing parameter count or emitting explicit chain-of-t…

cs.CL2025

NADI 2025: The First Multidialectal Arabic Speech Processing Shared Task

Bashar Talafha, Hawau Olamide Toyin, Peter Sullivan +9

We present the findings of the sixth Nuanced Arabic Dialect Identification (NADI 2025) Shared Task, which focused on Arabic speech dialect processing across three subtasks: spoken…

cs.CL2025

DefenderBench: A Toolkit for Evaluating Language Agents in Cybersecurity Environments

Chiyu Zhang, Marc-Alexandre Cote, Michael Albada +6

Large language model (LLM) agents have shown impressive capabilities in human language comprehension and reasoning, yet their potential in cybersecurity remains underexplored. We i…

cs.CL2024★ 2 cited

NADI 2024: The Fifth Nuanced Arabic Dialect Identification Shared Task

Muhammad Abdul-Mageed, Amr Keleg, AbdelRahim Elmadany +5

We describe the findings of the fifth Nuanced Arabic Dialect Identification Shared Task (NADI 2024). NADI's objective is to help advance SoTA Arabic NLP by providing guidance, data…

cs.IR2024

EmbSum: Leveraging the Summarization Capabilities of Large Language Models for Content-Based Recommendations

Chiyu Zhang, Yifei Sun, Minghao Wu +9

Content-based recommendation systems play a crucial role in delivering personalized content to users in the digital world. In this work, we introduce EmbSum, a novel framework that…

cs.CL2024

Distilling Text Style Transfer With Self-Explanation From LLMs

Chiyu Zhang, Honglong Cai, Yuezhang +4

Text Style Transfer (TST) seeks to alter the style of text while retaining its core content. Given the constraints of limited parallel datasets for TST, we propose CoTeX, a framewo…

cs.CL2024

LLM-Assisted Content Conditional Debiasing for Fair Text Embedding

Wenlong Deng, Blair Chen, Beidi Zhao +3

Mitigating biases in machine learning models has become an increasing concern in Natural Language Processing (NLP), particularly in developing fair text embeddings, which are cruci…

cs.IR2024★ 1 cited

SPAR: Personalized Content-Based Recommendation via Long Engagement Attention

Chiyu Zhang, Yifei Sun, Jun Chen +7

Leveraging users' long engagement histories is essential for personalized content recommendations. The success of pretrained language models (PLMs) in NLP has led to their use in e…

cs.CL2023

Demystifying Instruction Mixing for Fine-tuning Large Language Models

Renxi Wang, Haonan Li, Minghao Wu +4

Instruction tuning significantly enhances the performance of large language models (LLMs) across various tasks. However, the procedure to optimizing the mixing of instruction datas…

cs.CL2023

NADI 2023: The Fourth Nuanced Arabic Dialect Identification Shared Task

Muhammad Abdul-Mageed, AbdelRahim Elmadany, Chiyu Zhang +3

We describe the findings of the fourth Nuanced Arabic Dialect Identification Shared Task (NADI 2023). The objective of NADI is to help advance state-of-the-art Arabic NLP by creati…

cs.CL2023★ 1 cited

The Skipped Beat: A Study of Sociopragmatic Understanding in LLMs for 64 Languages

Chiyu Zhang, Khai Duy Doan, Qisheng Liao +1

Instruction tuned large language models (LLMs), such as ChatGPT, demonstrate remarkable performance in a wide range of tasks. Despite numerous recent studies that examine the perfo…

cs.LG2023

What Constitutes Good Contrastive Learning in Time-Series Forecasting?

Chiyu Zhang, Qi Yan, Lili Meng +1

In recent years, the introduction of self-supervised contrastive learning (SSCL) has demonstrated remarkable improvements in representation learning across various domains, includi…

cs.CL2023★ 25 cited

LaMini-LM: A Diverse Herd of Distilled Models from Large-Scale Instructions

Minghao Wu, Abdul Waheed, Chiyu Zhang +2

Large language models (LLMs) with instruction fine-tuning demonstrate superior generative capabilities. However, these models are resource-intensive. To alleviate this issue, we ex…

cs.CL2022

NADI 2022: The Third Nuanced Arabic Dialect Identification Shared Task

Muhammad Abdul-Mageed, Chiyu Zhang, AbdelRahim Elmadany +2

We describe findings of the third Nuanced Arabic Dialect Identification Shared Task (NADI 2022). NADI aims at advancing state of the art Arabic NLP, including on Arabic dialects. I…

cs.CL2022

Transition to Adulthood for Young People with Intellectual or Developmental Disabilities: Emotion Detection and Topic Modeling

Yan Liu, Maria Laricheva, Chiyu Zhang +5

Transition to Adulthood is an essential life stage for many families. The prior research has shown that young people with intellectual or development disabil-ities (IDD) have more…

cs.CL2022★ 1 cited

Automated Utterance Labeling of Conversations Using Natural Language Processing

Maria Laricheva, Chiyu Zhang, Yan Liu +4

Conversational data is essential in psychology because it can help researchers understand individuals cognitive processes, emotions, and behaviors. Utterance labelling is a common…

cs.CL2022

Decay No More: A Persistent Twitter Dataset for Learning Social Meaning

Chiyu Zhang, Muhammad Abdul-Mageed, El Moatez Billah Nagoudi

With the proliferation of social media, many studies resort to social media to construct datasets for developing social meaning understanding systems. For the popular case of Twitt…

cs.CL2022

Contrastive Learning of Sociopragmatic Meaning in Social Media

Chiyu Zhang, Muhammad Abdul-Mageed, Ganesh Jawahar

Recent progress in representation and contrastive learning in NLP has not widely considered the class of \textit{sociopragmatic meaning} (i.e., meaning in interaction within differ…

cs.CL2021★ 1 cited

Improving Social Meaning Detection with Pragmatic Masking and Surrogate Fine-Tuning

Chiyu Zhang, Muhammad Abdul-Mageed

Masked language models (MLMs) are pre-trained with a denoising objective that is in a mismatch with the objective of downstream fine-tuning. We propose pragmatic masking and surrog…

cs.CL2021★ 46 cited

NADI 2021: The Second Nuanced Arabic Dialect Identification Shared Task

Muhammad Abdul-Mageed, Chiyu Zhang, AbdelRahim Elmadany +2

We present the findings and results of the Second Nuanced Arabic Dialect Identification Shared Task (NADI 2021). This Shared Task includes four subtasks: country-level Modern Stand…

cs.CL2020★ 57 cited

NADI 2020: The First Nuanced Arabic Dialect Identification Shared Task

Muhammad Abdul-Mageed, Chiyu Zhang, Houda Bouamor +1

We present the results and findings of the First Nuanced Arabic Dialect Identification Shared Task (NADI). This Shared Task includes two subtasks: country-level dialect identificat…

cs.CL2020

Toward Micro-Dialect Identification in Diaglossic and Code-Switched Environments

Muhammad Abdul-Mageed, Chiyu Zhang, AbdelRahim Elmadany +1

Although the prediction of dialects is an important language processing task, with a wide range of applications, existing work is largely limited to coarse-grained varieties. Inspi…