activity
20202026
most citedOne Train for Two Tasks: An Encrypted Traffic Classification Framework Using Supervised Contrastive Learning

6 citations · 9 across the 18 of their papers we have counts for

collaborators

22 papers

cs.CL2026

RouteWeaver: Weaving Mode Selection and Execution into Unified LLM Routing

Xiaohan Wang, Haozhen Zhang, Qingyuan Liu +2

LLM routing dynamically selects and coordinates heterogeneous language models across diverse tasks. However, existing approaches are largely built around a predefined execution par…

cs.LG2026

Geometric Calibration of Supervised Fine-Tuning

Jianzhu Bao, Jia-Chen Gu, Qingyuan Liu +4

Recent studies investigate the weight geometry through its spectral structure, which characterizes how the weights transform different input directions. Within this view, supervise…

cs.CL2026

MemPilot: Orchestrating On-Demand Multimodal Memory Curation for LLM Agents

Haozhen Zhang, Haodong Yue, Quanyu Long +6

Memory has become integral to the LLM agent ecosystem, supporting information retention and reuse across interactions. However, most existing agent memory systems construct memory…

cs.CL2026

From Traces to Agentic Worlds: Agentic Language World Models for Interactive Environment Simulation

Quanyu Long, Xiao Chen, Jianda Chen +4

Realistic environment replicas are increasingly valuable for training and evaluating LLM agents, yet the original systems may be inaccessible or impractical to reproduce. We explor…

cs.CL2026

LLMRouter: Unified Infrastructure for Developing, Evaluating, and Deploying LLM Routers

Tao Feng, Fangxu Yu, Haozhen Zhang +9

No single large language model (LLM) is optimal across all queries and budget constraints, making model routing essential for cost-effective deployment. Existing routers adopt dive…

cs.CL2026

ExpHarness: Model-Agnostic Experience Learning through a Trainable Harness

Tao Feng, Chongrui Ye, Fangxu Yu +11

Large language model (LLM) agents increasingly operate within a harness, the scaffolding that determines what enters the executor's context, yet the experience they accumulate acro…

cs.CL2026

ElasticMem: Latent Memory as a Learnable Resource for LLM Agents

Tao Feng, Chongrui Ye, Fangxu Yu +8

Long-term memory is essential for LLM agents to reason coherently across extended interactions, personalize responses, and reuse past experience. However, existing memory-augmented…

cs.NI2026

RouteProfile: Graph-Based Profiling for Cold-Start LLM Routing

Jingjun Xu, Hongji Pu, Tao Feng +3

LLM routing is increasingly important for selecting suitable models under diverse user needs and deployment constraints, but its practical effectiveness depends on continual adapta…

cs.CL2026

Learning More from Less: Exploiting Counterfactuals for Data-Efficient Chart Understanding

Jianzhu Bao, Haozhen Zhang, Kuicai Dong +5

Vision-Language Models (VLMs) have demonstrated remarkable progress in chart understanding, largely driven by supervised fine-tuning (SFT) on increasingly large synthetic datasets.…

cs.CL2026

GraphPlanner: Graph Memory-Augmented Agentic Routing for Multi-Agent LLMs

Tao Feng, Haozhen Zhang, Zijie Lei +2

LLM routing has achieved promising results in integrating the strengths of diverse models while balancing efficiency and performance. However, to support more realistic and challen…

cs.CL2026

A Survey of Agent Memory in the Second Half: Towards Self-Evolving and Long-Horizon Agents

Wei-Chieh Huang, Weizhi Zhang, Yueqing Liang +56

Research in artificial intelligence is shifting from model innovations and benchmark scores towards problem definition and rigorous real-world evaluation. As the field enters the "…

cs.CL2026

Learning Query-Aware Budget-Tier Routing for Runtime Agent Memory

Haozhen Zhang, Haodong Yue, Tao Feng +8

Memory is increasingly central to Large Language Model (LLM) agents operating beyond a single context window, yet most existing systems rely on offline, query-agnostic memory const…

cs.CL2026

MemSkill: Learning and Evolving Memory Skills for Self-Evolving Agents

Haozhen Zhang, Quanyu Long, Jianzhu Bao +4

Most Large Language Model (LLM) agent memory systems rely on a small set of static, hand-designed operations for extracting memory. These fixed procedures hard-code human priors ab…

cs.CL2025

AcademicEval: Live Long-Context LLM Benchmark

Haozhen Zhang, Tao Feng, Pengrui Han +1

Large Language Models (LLMs) have recently achieved remarkable performance in long-context understanding. However, current long-context LLM benchmarks are limited by rigid context…

cs.LG2025

FusionFactory: Fusing LLM Capabilities with Multi-LLM Log Data

Tao Feng, Haozhen Zhang, Zijie Lei +5

The rapid advancement of large language models (LLMs) has created a diverse landscape of models, each excelling at different tasks. This diversity drives researchers to employ mult…

cs.CL2025★ 1 cited

Router-R1: Teaching LLMs Multi-Round Routing and Aggregation via Reinforcement Learning

Haozhen Zhang, Tao Feng, Jiaxuan You

The rapid emergence of diverse large language models (LLMs) has spurred the development of LLM routers that assign user queries to the most suitable model. However, existing LLM ro…

cs.CR2025

Revolutionizing Encrypted Traffic Classification with MH-Net: A Multi-View Heterogeneous Graph Model

Haozhen Zhang, Haodong Yue, Xi Xiao +4

With the growing significance of network security, the classification of encrypted traffic has emerged as an urgent challenge. Traditional byte-based traffic analysis methods are c…

cs.CL2024

Graph of Records: Boosting Retrieval Augmented Generation for Long-context Summarization with Graphs

Haozhen Zhang, Tao Feng, Jiaxuan You

Retrieval-augmented generation (RAG) has revitalized Large Language Models (LLMs) by injecting non-parametric factual knowledge. Compared with long-context LLMs, RAG is considered…

cs.LG2024★ 6 cited

One Train for Two Tasks: An Encrypted Traffic Classification Framework Using Supervised Contrastive Learning

Haozhen Zhang, Xi Xiao, Le Yu +3

As network security receives widespread attention, encrypted traffic classification has become the current research focus. However, existing methods conduct traffic classification…

cs.LG2023★ 1 cited

TFE-GNN: A Temporal Fusion Encoder Using Graph Neural Networks for Fine-grained Encrypted Traffic Classification

Haozhen Zhang, Le Yu, Xi Xiao +4

Encrypted traffic classification is receiving widespread attention from researchers and industrial companies. However, the existing methods only extract flow-level features, failin…

cs.LG2023

Time-aware Graph Structure Learning via Sequence Prediction on Temporal Graphs

Haozhen Zhang, Xueting Han, Xi Xiao +1

Temporal Graph Learning, which aims to model the time-evolving nature of graphs, has gained increasing attention and achieved remarkable performance recently. However, in reality,…

cs.LG2020★ 1 cited

SE-ECGNet: A Multi-scale Deep Residual Network with Squeeze-and-Excitation Module for ECG Signal Classification

Haozhen Zhang, Wei Zhao, Shuang Liu

The classification of electrocardiogram (ECG) signals, which takes much time and suffers from a high rate of misjudgment, is recognized as an extremely challenging task for cardiol…