no code implementations • NeurIPS 2021 • Kiran K. Thekumparampil, Prateek Jain, Praneeth Netrapalli, Sewoong Oh
To cope with such data scarcity, meta-representation learning methods train across many related tasks to find a shared (lower-dimensional) representation of the data where all tasks can be solved accurately.
no code implementations • ICLR 2022 • Charlie Hou, Kiran K. Thekumparampil, Giulia Fanti, Sewoong Oh
We propose FedChain, an algorithmic framework that combines the strengths of local methods and global methods to achieve fast convergence in terms of R while leveraging the similarity between clients.
no code implementations • 12 Feb 2021 • Charlie Hou, Kiran K. Thekumparampil, Giulia Fanti, Sewoong Oh
Our goal is to design an algorithm that can harness the benefit of similarity in the clients while recovering the Minibatch Mirror-prox performance under arbitrary heterogeneity (up to log factors).
1 code implementation • ICLR 2018 • Kiran K. Thekumparampil, Chong Wang, Sewoong Oh, Li-Jia Li
Recently popularized graph neural networks achieve the state-of-the-art accuracy on a number of standard benchmark datasets for graph-based semi-supervised learning, improving significantly over existing approaches.
Ranked #10 on Graph Regression on Lipophilicity
no code implementations • 24 Apr 2017 • Sahand Negahban, Sewoong Oh, Kiran K. Thekumparampil, Jiaming Xu
This also allows one to compute similarities among users and items to be used for categorization and search.
no code implementations • NeurIPS 2015 • Sewoong Oh, Kiran K. Thekumparampil, Jiaming Xu
In order to predict the preferences, we want to learn the underlying model from noisy observations of the low-rank matrix, collected as revealed preferences in various forms of ordinal data.