Search Results for author: Jennifer Gillenwater

Found 10 papers, 3 papers with code

Combining Public and Private Data

no code implementations29 Oct 2021 Cecilia Ferrando, Jennifer Gillenwater, Alex Kulesza

We argue that our mechanism is preferable to techniques that preserve the privacy of individuals by subsampling data proportionally to the privacy needs of users.

Differentially Private Quantiles

no code implementations16 Feb 2021 Jennifer Gillenwater, Matthew Joseph, Alex Kulesza

Quantiles are often used for summarizing and understanding data.

Federated Learning via Posterior Averaging: A New Perspective and Practical Algorithms

1 code implementation ICLR 2021 Maruan Al-Shedivat, Jennifer Gillenwater, Eric Xing, Afshin Rostamizadeh

Federated learning is typically approached as an optimization problem, where the goal is to minimize a global loss function by distributing computation across client devices that possess local data and specify different parts of the global objective.

Federated Learning

Scalable Learning and MAP Inference for Nonsymmetric Determinantal Point Processes

2 code implementations ICLR 2021 Mike Gartrell, Insu Han, Elvis Dohmatob, Jennifer Gillenwater, Victor-Emmanuel Brunel

Determinantal point processes (DPPs) have attracted significant attention in machine learning for their ability to model subsets drawn from a large item collection.

Point Processes

Submodular Hamming Metrics

no code implementations NeurIPS 2015 Jennifer Gillenwater, Rishabh Iyer, Bethany Lusch, Rahul Kidambi, Jeff Bilmes

We show that there is a largely unexplored class of functions (positive polymatroids) that can define proper discrete metrics over pairs of binary vectors and that are fairly tractable to optimize over.

Clustering

Expectation-Maximization for Learning Determinantal Point Processes

no code implementations NeurIPS 2014 Jennifer Gillenwater, Alex Kulesza, Emily Fox, Ben Taskar

However, log-likelihood is non-convex in the entries of the kernel matrix, and this learning problem is conjectured to be NP-hard.

Diversity Point Processes +1

Near-Optimal MAP Inference for Determinantal Point Processes

no code implementations NeurIPS 2012 Jennifer Gillenwater, Alex Kulesza, Ben Taskar

Determinantal point processes (DPPs) have recently been proposed as computationally efficient probabilistic models of diverse sets for a variety of applications, including document summarization, image search, and pose estimation.

Document Summarization Image Retrieval +2

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