activity
20232026
most citedSCALA: Sparsification-based Contrastive Learning for Anomaly Detection on Attributed Networks

3 citations · 10 across the 14 of their papers we have counts for

collaborators

15 papers

cs.LG2026

Beyond Policy Rollouts: Embedding-Space Directional Exploration with Anchored Noise for LLM RLVR

Daijiao Liu, Huiyi Wang, Lina Yao +1

Reinforcement learning with verifiable rewards (RLVR) typically uses small rollout groups per prompt, where repeated sampling from the same policy can yield highly similar trajecto…

cs.LG2026

Impute On-Demand: Adaptive Correlated Time Series Imputation for Changing Environments

Zhichen Lai, Huan Li, Dalin Zhang +3

Internet of Things (IoT) applications generate vast amounts of Correlated Time Series (CTS) data that often contain missing values and require imputation. Existing methods emphasiz…

cs.LG2026

WS-GRPO: Weakly-Supervised Group-Relative Policy Optimization for Rollout-Efficient Reasoning

Gagan Mundada, Zihan Huang, Rohan Surana +8

Group Relative Policy Optimization (GRPO) is effective for training language models on complex reasoning. However, since the objective is defined relative to a group of sampled tra…

q-bio.NC2026

BrainVista: Modeling Naturalistic Brain Dynamics as Multimodal Next-Token Prediction

Xuanhua Yin, Runkai Zhao, Lina Yao +1

Naturalistic fMRI characterizes the brain as a dynamic predictive engine driven by continuous sensory streams. However, modeling the causal forward evolution in realistic neural si…

cs.LG2025

Ensemble Distribution Distillation for Self-Supervised Human Activity Recognition

Matthew Nolan, Lina Yao, Robert Davidson

Human Activity Recognition (HAR) has seen significant advancements with the adoption of deep learning techniques, yet challenges remain in terms of data requirements, reliability a…

cs.LG2025

Little by Little: Continual Learning via Incremental Mixture of Rank-1 Associative Memory Experts

Haodong Lu, Chongyang Zhao, Minhui Xue +3

Continual learning (CL) with large pre-trained models aims to incrementally acquire knowledge without catastrophic forgetting. Existing LoRA-based Mixture-of-Experts (MoE) methods…

cs.CV2025

Continual Learning on CLIP via Incremental Prompt Tuning with Intrinsic Textual Anchors

Haodong Lu, Xinyu Zhang, Kristen Moore +4

Continual learning (CL) enables deep networks to acquire new knowledge while avoiding catastrophic forgetting. The powerful generalization ability of pre-trained models (PTMs), suc…

cs.CV2024★ 1 cited

Take Only What You Need: Rank Minimization as an Implicit Forgetting Regularizer in Continual Learning

Haodong Lu, Chongyang Zhao, Minhui Xue +3

The central tension in continual learning (CL) is the trade-off between plasticity (acquiring new knowledge) and stability (retaining prior knowledge). We study how a pre-trained b…

cs.CV2024

Mining Your Own Secrets: Diffusion Classifier Scores for Continual Personalization of Text-to-Image Diffusion Models

Saurav Jha, Shiqi Yang, Masato Ishii +7

Personalized text-to-image diffusion models have grown popular for their ability to efficiently acquire a new concept from user-defined text descriptions and a few images. However,…

cs.CV2024★ 1 cited

CLAP4CLIP: Continual Learning with Probabilistic Finetuning for Vision-Language Models

Saurav Jha, Dong Gong, Lina Yao

Continual learning (CL) aims to help deep neural networks learn new knowledge while retaining what has been learned. Owing to their powerful generalizability, pre-trained vision-la…

cs.LG2024★ 1 cited

Self-Expansion of Pre-trained Models with Mixture of Adapters for Continual Learning

Huiyi Wang, Haodong Lu, Lina Yao +1

Continual learning (CL) aims to continually accumulate knowledge from a non-stationary data stream without catastrophic forgetting of learned knowledge, requiring a balance between…

cs.LG2024★ 1 cited

Learning with Mixture of Prototypes for Out-of-Distribution Detection

Haodong Lu, Dong Gong, Shuo Wang +3

Out-of-distribution (OOD) detection aims to detect testing samples far away from the in-distribution (ID) training data, which is crucial for the safe deployment of machine learnin…

eess.AS2024

Speaking in Wavelet Domain: A Simple and Efficient Approach to Speed up Speech Diffusion Model

Xiangyu Zhang, Daijiao Liu, Hexin Liu +5

Recently, Denoising Diffusion Probabilistic Models (DDPMs) have attained leading performances across a diverse range of generative tasks. However, in the field of speech synthesis,…

cs.SI2024★ 3 cited

SCALA: Sparsification-based Contrastive Learning for Anomaly Detection on Attributed Networks

Enbo He, Yitong Hao, Yue Zhang +2

Anomaly detection on attributed networks aims to find the nodes whose behaviors are significantly different from other majority nodes. Generally, network data contains information…

cs.LG2023★ 3 cited

NPCL: Neural Processes for Uncertainty-Aware Continual Learning

Saurav Jha, Dong Gong, He Zhao +1

Continual learning (CL) aims to train deep neural networks efficiently on streaming data while limiting the forgetting caused by new tasks. However, learning transferable knowledge…