collaborators

9 papers

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.LG2026

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.CL2026

Speaking Numbers to LLMs: Multi-Wavelet Number Embeddings for Time Series Forecasting

Defu Cao, Zijie Lei, Muyan Weng +2

Large language models (LLMs) are attractive for context-aware time series forecasting because they can integrate heterogeneous textual signals, yet their discrete, language-oriente…

cs.IR2026

EventConnector: Mining Social Event Relations through Temporal Graphs

Zijie Lei, Haofei Yu, Ge Liu +1

Understanding and retrieving related real-world events based on their temporal dynamics is a fundamental challenge in time-sensitive applications such as forecasting, information r…

cs.IR2026

LRanker: LLM Ranker for Massive Candidates

Tao Feng, Zijie Lei, Zhigang Hua +4

Large language models (LLMs) have recently shown strong potential for ranking by capturing semantic relevance and adapting across diverse domains, yet existing methods remain const…

cs.IR2026

UniRec: Unified Multimodal Encoding for LLM-Based Recommendations

Zijie Lei, Tao Feng, Zhigang Hua +5

Large language models have recently shown promise for multimodal recommendation, particularly with text and image inputs. Yet real-world recommendation signals extend far beyond th…