1 code implementation • 13 Aug 2024 • Wenxuan Yang, Weimin Tan, Hanyu Zhang, Bo Yan
We compare the OptiDEL method with state-of-the-art approaches finding that OptiDEL consistently outperforms existing approaches across different datasets, with foundation models trained on only 5% of the pre-training data surpassing the performance of those trained on the full dataset.
no code implementations • 7 Nov 2023 • Marina Meilă, Hanyu Zhang
Manifold learning (ML), known also as non-linear dimension reduction, is a set of methods to find the low dimensional structure of data.
no code implementations • 28 Sep 2023 • Hanyu Zhang, Mathieu Tanneau, Chaofan Huang, V. Roshan Joseph, Shangkun Wang, Pascal Van Hentenryck
This approach effectively introduces an auxiliary learning task (predicting the bundle-level time series) to help the main learning tasks.
no code implementations • 8 Jul 2023 • Ritesh Ojha, Wenbo Chen, Hanyu Zhang, Reem Khir, Alan Erera, Pascal Van Hentenryck
Moreover, this paper designs an optimization proxy that addresses the computational challenges of the optimization model.
no code implementations • 16 May 2023 • Song Wei, Hanyu Zhang, Ronald Moore, Rishikesan Kamaleswaran, Yao Xie
We present a Transfer Causal Learning (TCL) framework when target and source domains share the same covariate/feature spaces, aiming to improve causal effect estimation accuracy in limited data.
no code implementations • 27 Feb 2023 • Tejas Santanam, Anthony Trasatti, Hanyu Zhang, Connor Riley, Pascal Van Hentenryck, Ramayya Krishnan
This paper analyzes the impact of COVID-19 related lockdowns in the Atlanta, Georgia metropolitan area by examining commuter patterns in three periods: prior to, during, and after the pandemic lockdown.
1 code implementation • 1 Feb 2023 • Hanyu Zhang, Samson Koelle, Marina Meila
We propose a paradigm for interpretable Manifold Learning for scientific data analysis, whereby we parametrize a manifold with $d$ smooth functions from a scientist-provided dictionary of meaningful, domain-related functions.
no code implementations • 1 Feb 2023 • Hanyu Zhang, Marina Meila
We quantify the parameter stability of a spherical Gaussian Mixture Model (sGMM) under small perturbations in distribution space.
no code implementations • 2 Apr 2022 • Neil Barry, Minas Chatzos, Wenbo Chen, Dahye Han, Chaofan Huang, Roshan Joseph, Michael Klamkin, Seonho Park, Mathieu Tanneau, Pascal Van Hentenryck, Shangkun Wang, Hanyu Zhang, Haoruo Zhao
The transition of the electrical power grid from fossil fuels to renewable sources of energy raises fundamental challenges to the market-clearing algorithms that drive its operations.
Uncertainty Quantification Vocal Bursts Intensity Prediction
no code implementations • 30 Jul 2021 • Marina Meilă, Hanyu Zhang
We demonstrate the practical relevance of this method by obtaining guarantees for the K-means and the Normalized Cut clustering criteria on realistic data sets.
no code implementations • 9 Jun 2021 • Tejas Santanam, Anthony Trasatti, Pascal Van Hentenryck, Hanyu Zhang
This paper proposes a suite of data-driven techniques that exploit Automated Fare Collection (AFC) data for evaluating, anticipating, and managing the performance of transit systems during recurring congestion peaks due to special events.
no code implementations • 9 Oct 2019 • Wenqiang Liu, Hongyun Cai, Xu Cheng, Sifa Xie, Yipeng Yu, Hanyu Zhang
The goal of representation learning of knowledge graph is to encode both entities and relations into a low-dimensional embedding spaces.
2 code implementations • 29 Nov 2018 • Samson Koelle, Hanyu Zhang, Marina Meila, Yu-Chia Chen
Manifold embedding algorithms map high-dimensional data down to coordinates in a much lower-dimensional space.