# Longlong Xu
[[Tsinghua University]] Department of Computer Science and Technology 所属。[[Dan Pei]] の NetManAIOps グループのメンバー。
SPRINT([[@2026__ICML__See More, Forecast Better and Faster - Enhancing Time Series Foundation Models via Inference-Time Plug-and-Play Downsampling]])の第一著者として、推論時プラグインダウンサンプリングフレームワークを開発した。(Source: [[@2026__ICML__See More, Forecast Better and Faster - Enhancing Time Series Foundation Models via Inference-Time Plug-and-Play Downsampling]])
[[ChatTS]] 論文([[@2025__VLDB__ChatTS - Aligning Time Series with LLMs via Synthetic Data for Enhanced Understanding and Reasoning]], PVLDB Vol. 18, 2025)の共著者(
[email protected])。Tsinghua/BNRist 側として [[Zhe Xie]] と [[Dan Pei]] のチームで、ネイティブ多変量モダリティを持つ TS-MLLM の設計に参画。SPRINT(TSFM 推論最適化)と ChatTS(TS-MLLM)を連続して扱い、時系列 + LLM の両軸の研究を進めている。(Source: [[@2025__VLDB__ChatTS - Aligning Time Series with LLMs via Synthetic Data for Enhanced Understanding and Reasoning]])
## 関連
- ソース: [[@2026__ICML__See More, Forecast Better and Faster - Enhancing Time Series Foundation Models via Inference-Time Plug-and-Play Downsampling]] / [[@2025__VLDB__ChatTS - Aligning Time Series with LLMs via Synthetic Data for Enhanced Understanding and Reasoning]]
- 所属: [[Tsinghua University]]
- 指導教員: [[Dan Pei]]
- 概念: [[時系列基盤モデル]]