activity
20202026
most citedNL4Opt Competition: Formulating Optimization Problems Based on Their Natural Language Descriptions

12 citations · 12 across the 18 of their papers we have counts for

collaborators

19 papers

cs.CV2026

Crayotter: Traceable Multi-Agent Workflows for Long-Form Video Editing

Lecheng Yan, Yichong Zhang, Xiantao Xu +12

Long-form video editing over heterogeneous footage requires agents to coordinate source selection, multimodal analysis, timeline construction, narration and subtitle alignment, ren…

cs.CL2026

Dual-Confidence Contrastive Decoding for Retrieval-Augmented Generation

Raymond Li, Md Tawkat Islam Khondaker, Amirhossein Abaskohi +3

Retrieval-augmented generation (RAG) increasingly requires models to answer questions from multiple retrieved documents, where only some sources are relevant and the retrieved bund…

cs.AI2026

DRFLOW: A Deep Research Benchmark for Personalized Workflow Prediction

Md Tawkat Islam Khondaker, Raymond Li, Muhammad Abdul-Mageed +2

Deep research (DR) systems are increasingly used for complex information-seeking tasks, but existing works mainly focus on generating reports and summaries. In contrast, many enter…

cs.CL2026

MCompassRAG: Topic Metadata as a Semantic Compass for Paragraph-Level Retrieval

Amirhossein Abaskohi, Raymond Li, Gaetano Cimino +3

Retrieval-augmented generation (RAG) systems depend critically on how documents are chunked and searched. Fine-grained chunks can improve retrieval precision but expand the search…

cs.CL2026

Skill-RAG: Failure-State-Aware Retrieval Augmentation via Hidden-State Probing and Skill Routing

Kai Wei, Raymond Li, Xi Zhu +4

Retrieval-Augmented Generation (RAG) has emerged as a foundational paradigm for grounding large language models in external knowledge. While adaptive retrieval mechanisms have impr…

cs.CL2026

Improving Topic Modeling by Distilling Soft Labels from Language Models

Raymond Li, Amirhossein Abaskohi, Chuyuan Li +2

Traditional neural topic models are typically optimized by reconstructing the document's Bag-of-Words (BoW) representations, overlooking contextual information and struggling with…

cs.CL2025

CEMTM: Contextual Embedding-based Multimodal Topic Modeling

Amirhossein Abaskohi, Raymond Li, Chuyuan Li +2

We introduce CEMTM, a context-enhanced multimodal topic model designed to infer coherent and interpretable topic structures from both short and long documents containing text and i…

cs.CL2025

Delta-KNN: Improving Demonstration Selection in In-Context Learning for Alzheimer's Disease Detection

Chuyuan Li, Raymond Li, Thalia S. Field +1

Alzheimer's Disease (AD) is a progressive neurodegenerative disorder that leads to dementia, and early intervention can greatly benefit from analyzing linguistic abnormalities. In…

cs.CL2025

Multi2: Multi-Agent Test-Time Scalable Framework for Multi-Document Processing

Juntai Cao, Xiang Zhang, Raymond Li +4

Recent advances in test-time scaling have shown promising results in improving Large Language Model (LLM) performance through strategic computation allocation during inference. Whi…

cs.CL2024

DeTriever: Decoder-representation-based Retriever for Improving NL2SQL In-Context Learning

Yuxi Feng, Raymond Li, Zhenan Fan +4

While in-context Learning (ICL) has proven to be an effective technique to improve the performance of Large Language Models (LLMs) in a variety of complex tasks, notably in transla…

cs.CL2024

SQL-Encoder: Improving NL2SQL In-Context Learning Through a Context-Aware Encoder

Mohammadreza Pourreza, Davood Rafiei, Yuxi Feng +3

Detecting structural similarity between queries is essential for selecting examples in in-context learning models. However, assessing structural similarity based solely on the natu…

cs.CL2023

Visual Analytics for Generative Transformer Models

Raymond Li, Ruixin Yang, Wen Xiao +3

While transformer-based models have achieved state-of-the-art results in a variety of classification and generation tasks, their black-box nature makes them challenging for interpr…

cs.CL2023

Mixture-of-Linguistic-Experts Adapters for Improving and Interpreting Pre-trained Language Models

Raymond Li, Gabriel Murray, Giuseppe Carenini

In this work, we propose a method that combines two popular research areas by injecting linguistic structures into pre-trained language models in the parameter-efficient fine-tunin…

cs.CL2023

Diversity-Aware Coherence Loss for Improving Neural Topic Models

Raymond Li, Felipe González-Pizarro, Linzi Xing +2

The standard approach for neural topic modeling uses a variational autoencoder (VAE) framework that jointly minimizes the KL divergence between the estimated posterior and prior, i…

cs.CL2023★ 12 cited

NL4Opt Competition: Formulating Optimization Problems Based on Their Natural Language Descriptions

Rindranirina Ramamonjison, Timothy T. Yu, Raymond Li +8

The Natural Language for Optimization (NL4Opt) Competition was created to investigate methods of extracting the meaning and formulation of an optimization problem based on its text…

cs.CL2022

OSLAT: Open Set Label Attention Transformer for Medical Entity Retrieval and Span Extraction

Raymond Li, Ilya Valmianski, Li Deng +2

Medical entity span extraction and linking are critical steps for many healthcare NLP tasks. Most existing entity extraction methods either have a fixed vocabulary of medical entit…

cs.CL2021

Human Guided Exploitation of Interpretable Attention Patterns in Summarization and Topic Segmentation

Raymond Li, Wen Xiao, Linzi Xing +3

The multi-head self-attention mechanism of the transformer model has been thoroughly investigated recently. In one vein of study, researchers are interested in understanding why an…

cs.HC2021

ConVIScope: Visual Analytics for Exploring Patient Conversations

Raymond Li, Enamul Hoque, Giuseppe Carenini +2

The proliferation of text messaging for mobile health is generating a large amount of patient-doctor conversations that can be extremely valuable to health care professionals. We p…

cs.DB2020

Video Monitoring Queries

Nick Koudas, Raymond Li, Ioannis Xarchakos

Recent advances in video processing utilizing deep learning primitives achieved breakthroughs in fundamental problems in video analysis such as frame classification and object dete…