no code implementations • 27 Nov 2022 • Hari Prasanna Das, Yu-Wen Lin, Utkarsha Agwan, Lucas Spangher, Alex Devonport, Yu Yang, Jan Drgona, Adrian Chong, Stefano Schiavon, Costas J. Spanos
In this work, we review the ways in which machine learning has been leveraged to make buildings smart and energy-efficient.
no code implementations • 13 Oct 2022 • Doseok Jang, Larry Yan, Lucas Spangher, Costas J. Spanos
We develop the first application of Personalized Federated Hypernetworks (PFH) to Reinforcement Learning (RL).
Multi-agent Reinforcement Learning Personalized Federated Learning +3
no code implementations • 23 Aug 2022 • Utkarsha Agwan, Costas J. Spanos, Kameshwar Poolla
We develop a probabilistic model for the curtailment capability of these assets, and use it to derive analytic expressions for the optimal participation (i. e., promised curtailment) and profitability from the DR asset perspective.
no code implementations • 10 Mar 2022 • Hari Prasanna Das, Costas J. Spanos
Recently, machine learning algorithms have proven to be having enormous potential as a candidate for personal thermal comfort models.
no code implementations • 14 Sep 2021 • Hari Prasanna Das, Ryan Tran, Japjot Singh, Xiangyu Yue, Geoff Tison, Alberto Sangiovanni-Vincentelli, Costas J. Spanos
To tackle the challenges of limited data, and label scarcity in the available data, we propose generating conditional synthetic data, to be used alongside real data for developing robust ML models.
no code implementations • 25 Aug 2021 • Hari Prasanna Das, Ryan Tran, Japjot Singh, Yu-Wen Lin, Costas J. Spanos
We also learn the joint distribution of the data samples and attributes in the source domain by employing an encoder to map attributes to the latent space via adversarial training.
no code implementations • 29 Oct 2020 • Yu Yang, Guoqiang Hu, Costas J. Spanos
Further, we demonstrate both the building-wise and community-wise economic benefits are enhanced with the ES sharing model over the individual ES (IES) model.
Fairness Computer Science and Game Theory
no code implementations • 16 Oct 2019 • Ioannis C. Konstantakopoulos, Hari Prasanna Das, Andrew R. Barkan, Shiying He, Tanya Veeravalli, Huihan Liu, Aummul Baneen Manasawala, Yu-Wen Lin, Costas J. Spanos
In this paper, we propose a gamification approach as a novel framework for smart building infrastructure with the goal of motivating human occupants to reconsider personal energy usage and to have positive effects on their environment.
no code implementations • 5 Oct 2019 • Hari Prasanna Das, Ioannis C. Konstantakopoulos, Aummul Baneen Manasawala, Tanya Veeravalli, Huihan Liu, Costas J. Spanos
A number of such frameworks have been introduced over the years which formulate the energy saving process as a competitive game with appropriate incentives for energy efficient players.
3 code implementations • 22 Aug 2019 • Ruoxi Jia, David Dao, Boxin Wang, Frances Ann Hubis, Nezihe Merve Gurel, Bo Li, Ce Zhang, Costas J. Spanos, Dawn Song
The most surprising result is that for unweighted $K$NN classifiers and regressors, the Shapley value of all $N$ data points can be computed, exactly, in $O(N\log N)$ time -- an exponential improvement on computational complexity!
no code implementations • 5 Aug 2019 • Hari Prasanna Das, Pieter Abbeel, Costas J. Spanos
Deep generative modeling using flows has gained popularity owing to the tractable exact log-likelihood estimation with efficient training and synthesis process.
no code implementations • 24 Oct 2018 • Hari Prasanna Das, Ioannis C. Konstantakopoulos, Aummul Baneen Manasawala, Tanya Veeravalli, Huihan Liu, Costas J. Spanos
A generalized gamification framework is introduced as a form of smart infrastructure with potential to improve sustainability and energy efficiency by leveraging humans-in-the-loop strategy.
no code implementations • NeurIPS 2016 • Yuxun Zhou, Costas J. Spanos
We study causal subset selection with Directed Information as the measure of prediction causality.
no code implementations • 16 Jul 2014 • Zhaoyi Kang, Costas J. Spanos
Sequential or online dimensional reduction is of interests due to the explosion of streaming data based applications and the requirement of adaptive statistical modeling, in many emerging fields, such as the modeling of energy end-use profile.
no code implementations • 22 Jun 2014 • Ming Jin, Han Zou, Kevin Weekly, Ruoxi Jia, Alexandre M. Bayen, Costas J. Spanos
We present results from a set of experiments in this pilot study to investigate the causal influence of user activity on various environmental parameters monitored by occupant carried multi-purpose sensors.