activity
20132023
most citedCollecting Telemetry Data Privately

265 citations · 441 across the 39 of their papers we have counts for

collaborators

42 papers

cs.LG2023

Classification with Partially Private Features

Zeyu Shen, Anilesh Krishnaswamy, Janardhan Kulkarni +1

In this paper, we consider differentially private classification when some features are sensitive, while the rest of the features and the label are not. We adapt the definition of…

cs.DS2023

Optimal Online Discrepancy Minimization

Janardhan Kulkarni, Victor Reis, Thomas Rothvoss

We prove that there exists an online algorithm that for any sequence of vectors with , arriving one at a time, decides random si…

cs.CV2023

Differentially Private Synthetic Data via Foundation Model APIs 1: Images

Zinan Lin, Sivakanth Gopi, Janardhan Kulkarni +2

Generating differentially private (DP) synthetic data that closely resembles the original private data is a scalable way to mitigate privacy concerns in the current data-driven wor…

cs.LG2023★ 1 cited

Selective Pre-training for Private Fine-tuning

Da Yu, Sivakanth Gopi, Janardhan Kulkarni +5

Text prediction models, when used in applications like email clients or word processors, must protect user data privacy and adhere to model size constraints. These constraints are…

cs.LG2022★ 4 cited

Exploring the Limits of Differentially Private Deep Learning with Group-wise Clipping

Jiyan He, Xuechen Li, Da Yu +6

Differentially private deep learning has recently witnessed advances in computational efficiency and privacy-utility trade-off. We explore whether further improvements along the tw…

cs.LG2022★ 8 cited

When Does Differentially Private Learning Not Suffer in High Dimensions?

Xuechen Li, Daogao Liu, Tatsunori Hashimoto +4

Large pretrained models can be privately fine-tuned to achieve performance approaching that of non-private models. A common theme in these results is the surprising observation tha…

cs.LG2022★ 3 cited

Differentially Private Model Compression

Fatemehsadat Mireshghallah, Arturs Backurs, Huseyin A Inan +2

Recent papers have shown that large pre-trained language models (LLMs) such as BERT, GPT-2 can be fine-tuned on private data to achieve performance comparable to non-private models…

cs.LG2022★ 5 cited

Individual Privacy Accounting for Differentially Private Stochastic Gradient Descent

Da Yu, Gautam Kamath, Janardhan Kulkarni +3

Differentially private stochastic gradient descent (DP-SGD) is the workhorse algorithm for recent advances in private deep learning. It provides a single privacy guarantee to all d…

cs.DS2021

Online Edge Coloring via Tree Recurrences and Correlation Decay

Janardhan Kulkarni, Yang P. Liu, Ashwin Sah +2

We give an online algorithm that with high probability computes a edge coloring on a graph with maximum degree under online…

cs.LG2021★ 47 cited

Differentially Private Fine-tuning of Language Models

Da Yu, Saurabh Naik, Arturs Backurs +9

We give simpler, sparser, and faster algorithms for differentially private fine-tuning of large-scale pre-trained language models, which achieve the state-of-the-art privacy versus…

cs.DC2021★ 1 cited

Synergy: Resource Sensitive DNN Scheduling in Multi-Tenant Clusters

Jayashree Mohan, Amar Phanishayee, Janardhan Kulkarni +1

Training Deep Neural Networks (DNNs) is a widely popular workload in both enterprises and cloud data centers. Existing schedulers for DNN training consider GPU as the dominant reso…

cs.LG2021

Differentially Private n-gram Extraction

Kunho Kim, Sivakanth Gopi, Janardhan Kulkarni +1

We revisit the problem of -gram extraction in the differential privacy setting. In this problem, given a corpus of private text data, the goal is to release as many -grams as…

cs.LG2021★ 6 cited

Accuracy, Interpretability, and Differential Privacy via Explainable Boosting

Harsha Nori, Rich Caruana, Zhiqi Bu +2

We show that adding differential privacy to Explainable Boosting Machines (EBMs), a recent method for training interpretable ML models, yields state-of-the-art accuracy while prote…

cs.DS2021

On the Hardness of Scheduling With Non-Uniform Communication Delays

Sami Davies, Janardhan Kulkarni, Thomas Rothvoss +3

In the scheduling with non-uniform communication delay problem, the input is a set of jobs with precedence constraints. Associated with every precedence constraint between a pair o…

cs.LG2021★ 6 cited

Private Non-smooth Empirical Risk Minimization and Stochastic Convex Optimization in Subquadratic Steps

Janardhan Kulkarni, Yin Tat Lee, Daogao Liu

We study the differentially private Empirical Risk Minimization (ERM) and Stochastic Convex Optimization (SCO) problems for non-smooth convex functions. We get a (nearly) optimal b…

cs.LG2021★ 2 cited

Differentially Private Correlation Clustering

Mark Bun, Marek Eliáš, Janardhan Kulkarni

Correlation clustering is a widely used technique in unsupervised machine learning. Motivated by applications where individual privacy is a concern, we initiate the study of differ…

cs.LG2021★ 8 cited

Fast and Memory Efficient Differentially Private-SGD via JL Projections

Zhiqi Bu, Sivakanth Gopi, Janardhan Kulkarni +3

Differentially Private-SGD (DP-SGD) of Abadi et al. (2016) and its variations are the only known algorithms for private training of large scale neural networks. This algorithm requ…

cs.DC2020

Scheduling Opportunistic Links in Two-Tiered Reconfigurable Datacenters

Janardhan Kulkarni, Stefan Schmid, Paweł Schmidt

Reconfigurable optical topologies are emerging as a promising technology to improve the efficiency of datacenter networks. This paper considers the problem of scheduling opportunis…

cs.DS2020★ 2 cited

Consistent -Median: Simpler, Better and Robust

Xiangyu Guo, Janardhan Kulkarni, Shi Li +1

In this paper we introduce and study the online consistent -clustering with outliers problem, generalizing the non-outlier version of the problem studied in [Lattanzi-Vassilvits…

cs.DS2020★ 10 cited

Hierarchy-Based Algorithms for Minimizing Makespan under Precedence and Communication Constraints

Janardhan Kulkarni, Shi Li, Jakub Tarnawski +1

We consider the classic problem of scheduling jobs with precedence constraints on a set of identical machines to minimize the makespan objective function. Understanding the exact a…

cs.DS2020★ 2 cited

Scheduling with Communication Delays via LP Hierarchies and Clustering

Sami Davies, Janardhan Kulkarni, Thomas Rothvoss +2

We consider the classic problem of scheduling jobs with precedence constraints on identical machines to minimize makespan, in the presence of communication delays. In this setting,…

cs.DS2020

The Power of Recourse: Better Algorithms for Facility Location in Online and Dynamic Models

Xiangyu Guo, Janardhan Kulkarni, Shi Li +1

In this paper we study the facility location problem in the online with recourse and dynamic algorithm models. In the online with recourse model, clients arrive one by one and our…

cs.CR2020

Differentially Private Set Union

Sivakanth Gopi, Pankaj Gulhane, Janardhan Kulkarni +3

We study the basic operation of set union in the global model of differential privacy. In this problem, we are given a universe of items, possibly of infinite size, and a datab…

cs.DS2020★ 13 cited

Locally Private Hypothesis Selection

Sivakanth Gopi, Gautam Kamath, Janardhan Kulkarni +3

We initiate the study of hypothesis selection under local differential privacy. Given samples from an unknown probability distribution and a set of probability distribution…