activity
20222026
most citedRouterArena: An Open Platform for Comprehensive Comparison of LLM Routers

1 citations · 2 across the 8 of their papers we have counts for

collaborators

9 papers

cs.LG2026

The Routing Plateau: Understanding the Accuracy Limits of LLM Routers

Yifan Lu, Qiyue Zhang, Shenrun Zhang +4

LLM routing has become a popular approach to improve the cost-quality trade-off of LLM services by adaptively selecting a model for each query. Recent work has explored a broad ran…

cs.CL2026

Listen, Correct, and Feed Back: Spoken Pedagogical Feedback Generation

Junhong Liang, Yifan Lu, Ekaterina Kochmar +1

Grammatical error correction (GEC) and explanation (GEE) have made rapid progress, but real teaching scenarios also require \emph{learner-friendly pedagogical feedback} that is act…

cs.LG2025★ 1 cited

RouterArena: An Open Platform for Comprehensive Comparison of LLM Routers

Yifan Lu, Rixin Liu, Jiayi Yuan +4

Today's LLM ecosystem comprises a wide spectrum of models that differ in size, capability, and cost. No single model is optimal for all scenarios; hence, LLM routers have become es…

cs.LG2025

HeSRN: Representation Learning On Heterogeneous Graphs via Slot-Aware Retentive Network

Yifan Lu, Ziyun Zou, Belal Alsinglawi +6

Graph Transformers have recently achieved remarkable progress in graph representation learning by capturing long-range dependencies through self-attention. However, their quadratic…

cs.CV2025

Confidence-driven Gradient Modulation for Multimodal Human Activity Recognition: A Dynamic Contrastive Dual-Path Learning Approach

Panpan Ji, Junni Song, Yifan Lu +3

Sensor-based Human Activity Recognition (HAR) is a core technology that enables intelligent systems to perceive and interact with their environment. However, multimodal HAR systems…

cs.CL2025

SEOE: A Scalable and Reliable Semantic Evaluation Framework for Open Domain Event Detection

Yi-Fan Lu, Xian-Ling Mao, Tian Lan +3

Automatic evaluation for Open Domain Event Detection (ODED) is a highly challenging task, because ODED is characterized by a vast diversity of un-constrained output labels from var…

cs.CL2024★ 1 cited

Beyond Exact Match: Semantically Reassessing Event Extraction by Large Language Models

Yi-Fan Lu, Xian-Ling Mao, Tian Lan +3

Event extraction has gained extensive research attention due to its broad range of applications. However, the current mainstream evaluation method for event extraction relies on to…

cs.CL2024

EXCEEDS: Extracting Complex Events via Nugget-based Grid Modeling in Scientific Domain

Yi-Fan Lu, Xian-Ling Mao, Bo Wang +2

It is crucial to understand a specific domain by events. Extensive event extraction research has been conducted in many domains such as news, finance, and biology. However, event e…

cs.DL2022

Hammer PDF: An Intelligent PDF Reader for Scientific Papers

Sheng-Fu Wang, Shu-Hang Liu, Tian-Yi Che +4

It is the most important way for researchers to acquire academic progress via reading scientific papers, most of which are in PDF format. However, existing PDF Readers like Adobe A…