activity
20192023
most citedRecommender Systems with Generative Retrieval

28 citations · 66 across the 12 of their papers we have counts for

collaborators

13 papers

cs.LG2023★ 1 cited

HyperMix: Out-of-Distribution Detection and Classification in Few-Shot Settings

Nikhil Mehta, Kevin J Liang, Jing Huang +3

Out-of-distribution (OOD) detection is an important topic for real-world machine learning systems, but settings with limited in-distribution samples have been underexplored. Such f…

cs.CV2023

Meta-Learned Attribute Self-Interaction Network for Continual and Generalized Zero-Shot Learning

Vinay K Verma, Nikhil Mehta, Kevin J Liang +2

Zero-shot learning (ZSL) is a promising approach to generalizing a model to categories unseen during training by leveraging class attributes, but challenges remain. Recently, metho…

cs.IR2023★ 28 cited

Recommender Systems with Generative Retrieval

Shashank Rajput, Nikhil Mehta, Anima Singh +10

Modern recommender systems perform large-scale retrieval by first embedding queries and item candidates in the same unified space, followed by approximate nearest neighbor search t…

cs.CV2022

Pushing the Efficiency Limit Using Structured Sparse Convolutions

Vinay Kumar Verma, Nikhil Mehta, Shijing Si +2

Weight pruning is among the most popular approaches for compressing deep convolutional neural networks. Recent work suggests that in a randomly initialized deep neural network, the…

cs.CL2022

Pseudo-OOD training for robust language models

Dhanasekar Sundararaman, Nikhil Mehta, Lawrence Carin

While pre-trained large-scale deep models have garnered attention as an important topic for many downstream natural language processing (NLP) tasks, such models often make unreliab…

cs.CV2021★ 4 cited

A two-step machine learning approach for crop disease detection: an application of GAN and UAV technology

Aaditya Prasad, Nikhil Mehta, Matthew Horak +1

Automated plant diagnosis is a technology that promises large increases in cost-efficiency for agriculture. However, multiple problems reduce the effectiveness of drones, including…

cs.LG2021

Efficient Feature Transformations for Discriminative and Generative Continual Learning

Vinay Kumar Verma, Kevin J Liang, Nikhil Mehta +2

As neural networks are increasingly being applied to real-world applications, mechanisms to address distributional shift and sequential task learning without forgetting are critica…

cs.CV2021★ 3 cited

Meta-Learned Attribute Self-Gating for Continual Generalized Zero-Shot Learning

Vinay Kumar Verma, Kevin Liang, Nikhil Mehta +1

Zero-shot learning (ZSL) has been shown to be a promising approach to generalizing a model to categories unseen during training by leveraging class attributes, but challenges still…

stat.ML2020★ 4 cited

Counterfactual Representation Learning with Balancing Weights

Serge Assaad, Shuxi Zeng, Chenyang Tao +5

A key to causal inference with observational data is achieving balance in predictive features associated with each treatment type. Recent literature has explored representation lea…

cs.LG2020★ 1 cited

WAFFLe: Weight Anonymized Factorization for Federated Learning

Weituo Hao, Nikhil Mehta, Kevin J Liang +3

In domains where data are sensitive or private, there is great value in methods that can learn in a distributed manner without the data ever leaving the local devices. In light of…

cs.LG2020★ 8 cited

Continual Learning using a Bayesian Nonparametric Dictionary of Weight Factors

Nikhil Mehta, Kevin J Liang, Vinay K Verma +1

Naively trained neural networks tend to experience catastrophic forgetting in sequential task settings, where data from previous tasks are unavailable. A number of methods, using v…

stat.ML2020

Survival Cluster Analysis

Paidamoyo Chapfuwa, Chunyuan Li, Nikhil Mehta +2

Conventional survival analysis approaches estimate risk scores or individualized time-to-event distributions conditioned on covariates. In practice, there is often great population…

cs.LG2019★ 17 cited

Stochastic Blockmodels meet Graph Neural Networks

Nikhil Mehta, Lawrence Carin, Piyush Rai

Stochastic blockmodels (SBM) and their variants, , mixed-membership and overlapping stochastic blockmodels, are latent variable based generative models for graphs. They have…