activity
20242026
collaborators

10 papers

cs.IR2026

SSRLive: Live Streaming Recommendation with Dynamic Semantic ID

Teng Shi, Zhaoheng Li, Yuanhang Qu +3

Live streaming has emerged as one of the fastest-growing forms of online media, enabling instant content broadcasting and real-time engagement between users and streamers. Despite…

cs.AI2026

Spreadsheet-RL: Advancing Large Language Model Agents on Realistic Spreadsheet Tasks via Reinforcement Learning

Banghao Chi, Yining Xie, Mingyuan Wu +9

Spreadsheet systems (e.g., Microsoft Excel, Google Sheets) play a central role in modern data-centric workflows. As AI agents grow increasingly capable of automating complex tasks,…

cs.DB2025

Cloud-Native Vector Search: A Comprehensive Performance Analysis

Zhaoheng Li, Wei Ding, Silu Huang +5

Vector search has been widely employed in recommender system and retrieval-augmented-generation pipelines, commonly performed with vector indexes to efficiently find similar items…

cs.DB2025

Chipmink: Efficient Delta Identification for Massive Object Graph

Supawit Chockchowwat, Sumay Thakurdesai, Zhaoheng Li +2

Ranging from batch scripts to computational notebooks, modern data science tools rely on massive and evolving object graphs that represent structured data, models, plots, and more.…

cs.DB2025

SIEVE: Effective Filtered Vector Search with Collection of Indexes

Zhaoheng Li, Silu Huang, Wei Ding +2

Many real-world tasks such as recommending videos with the kids tag can be reduced to finding most similar vectors associated with hard predicates. This task, filtered vector searc…

cs.LG2025

Aha Moment Revisited: Are VLMs Truly Capable of Self Verification in Inference-time Scaling?

Mingyuan Wu, Meitang Li, Jingcheng Yang +6

Inference time techniques such as decoding time scaling and self refinement have been shown to substantially improve mathematical reasoning in large language models (LLMs), largely…