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Discovering causal structures with latent variables from observational data is a fundamental challenge in causal discovery. Existing methods often rely on constraint-based, iterative discrete searches, limiting their scalability to large…

机器学习 · 计算机科学 2024-12-02 Parjanya Prashant , Ignavier Ng , Kun Zhang , Biwei Huang

This work develops a stochastic model predictive controller~(SMPC) for uncertain linear systems with additive Gaussian noise subject to state and control constraints. The proposed approach is based on the recently developed finite-horizon…

最优化与控制 · 数学 2019-11-26 Kazuhide Okamoto , Panagiotis Tsiotras

Stochastic model predictive control (SMPC) has been a promising solution to complex control problems under uncertain disturbances. However, traditional SMPC approaches either require exact knowledge of probabilistic distributions, or rely…

最优化与控制 · 数学 2020-01-03 Chao Shang , Fengqi You

In this paper, we introduce a data-driven modeling approach for dynamics problems with latent variables. The state-space of the proposed model includes artificial latent variables, in addition to observed variables that can be fitted to a…

最优化与控制 · 数学 2024-06-19 Yushuang Luo , Xiantao Li , Wenrui Hao

Recently, significant progress has been made in sequential recommendation with deep learning. Existing neural sequential recommendation models usually rely on the item prediction loss to learn model parameters or data representations.…

信息检索 · 计算机科学 2020-08-19 Kun Zhou , Hui Wang , Wayne Xin Zhao , Yutao Zhu , Sirui Wang , Fuzheng Zhang , Zhongyuan Wang , Ji-Rong Wen

We present DMCD (DataMap Causal Discovery), a two-phase causal discovery framework that integrates LLM-based semantic drafting from variable metadata with statistical validation on observational data. In Phase I, a large language model…

人工智能 · 计算机科学 2026-02-25 Samarth KaPatel , Sofia Nikiforova , Giacinto Paolo Saggese , Paul Smith

Parallel Continual Learning (PCL) tasks investigate the training methods for continual learning with multi-source input, where data from different tasks are learned as they arrive. PCL offers high training efficiency and is well-suited for…

机器学习 · 计算机科学 2024-07-12 Li Yuepan , Fan Lyu , Yuyang Li , Wei Feng , Guangcan Liu , Fanhua Shang

Recent improvements in the expressive power of spatio-temporal models have led to performance gains in many real-world applications, such as traffic forecasting and social network modelling. However, understanding the predictions from a…

机器学习 · 计算机科学 2025-03-07 Saif Anwar , Nathan Griffiths , Thomas Popham , Abhir Bhalerao

The Stable Matching Problem with Couples (SMP-C) is a ubiquitous real-world extension of the stable matching problem (SMP) involving complementarities. Although SMP can be solved in polynomial time, SMP-C is NP-Complete. Hence, it is not…

计算机科学与博弈论 · 计算机科学 2015-05-14 Andrew Perrault , Joanna Drummond , Fahiem Bacchus

We consider the problem of using a factor model we call {\em spike-and-slab sparse coding} (S3C) to learn features for a classification task. The S3C model resembles both the spike-and-slab RBM and sparse coding. Since exact inference in…

机器学习 · 统计学 2012-04-05 Ian J. Goodfellow , Aaron Courville , Yoshua Bengio

Latent variables pose a fundamental challenge to causal discovery and inference. Conventional local methods focus on direct neighbors but fail to provide macro level insights. Cluster level methods enable macro causal reasoning but either…

机器学习 · 计算机科学 2026-04-27 Zongyu Li

Probabilistic decoding in Large Language Models (LLMs) often yields inconsistent outputs, particularly on complex or long-form questions. Self-Consistency (SC) mitigates this for short-form QA by majority voting over exact strings, whereas…

计算与语言 · 计算机科学 2026-03-02 Jungsuk Oh , Jay-Yoon Lee

Most causal discovery procedures assume that there are no latent confounders in the system, which is often violated in real-world problems. In this paper, we consider a challenging scenario for causal structure identification, where some…

机器学习 · 计算机科学 2022-10-06 Biwei Huang , Charles Jia Han Low , Feng Xie , Clark Glymour , Kun Zhang

Symbolic regression (SR) traditionally balances accuracy and complexity, implicitly assuming that simpler formulas are structurally more rational. We argue that this assumption is insufficient: existing algorithms often exploit this metric…

机器学习 · 计算机科学 2026-02-03 Zihan Yu , Guanren Wang , Jingtao Ding , Huandong Wang , Yong Li

Transient stability and critical clearing time (CCT) are important concepts in power system protection and control. This paper explores and compares various learning-based methods for predicting CCT under uncertainties arising from…

系统与控制 · 电气工程与系统科学 2024-09-05 Xingjian Wu , Xiaoting Wang , Xiaozhe Wang , Peter E. Caines , Jingyu Liu

We present sparse topical coding (STC), a non-probabilistic formulation of topic models for discovering latent representations of large collections of data. Unlike probabilistic topic models, STC relaxes the normalization constraint of…

机器学习 · 计算机科学 2012-02-20 Jun Zhu , Eric P. Xing

Estimation of structure, such as in variable selection, graphical modelling or cluster analysis is notoriously difficult, especially for high-dimensional data. We introduce stability selection. It is based on subsampling in combination with…

统计方法学 · 统计学 2009-05-16 Nicolai Meinshausen , Peter Buehlmann

In this paper, we address the stochastic MPC (SMPC) problem for linear systems, subject to chance state constraints and hard input constraints, under unknown noise distribution. First, we reformulate the chance state constraints as…

系统与控制 · 电气工程与系统科学 2022-04-05 Charis Stamouli , Anastasios Tsiamis , Manfred Morari , George J. Pappas

This paper introduces a novel framework for optimizing observer-based soft sensors through dynamic causality analysis. Traditional approaches to sensor selection often rely on linearized observability indices or statistical correlations…

人工智能 · 计算机科学 2025-09-16 William Farlessyost , Sebastian Oberst , Shweta Singh

This paper presents a new stochastic relay-based extremum-seeking controller (ESC) for multi-input-single-output (MISO) systems. The goal of this work was to create an algorithm that is much simpler to configure than alternative approaches…

系统与控制 · 电气工程与系统科学 2026-05-20 Timothy I. Salsbury , Min Gyung Yu