Search Results for author: Corinna Cortes

Found 30 papers, 3 papers with code

Online Learning with Dependent Stochastic Feedback Graphs

no code implementations ICML 2020 Corinna Cortes, Giulia Desalvo, Claudio Gentile, Mehryar Mohri, Ningshan Zhang

A general framework for online learning with partial information is one where feedback graphs specify which losses can be observed by the learner.

Differentially Private Domain Adaptation with Theoretical Guarantees

no code implementations15 Jun 2023 Raef Bassily, Corinna Cortes, Anqi Mao, Mehryar Mohri

This is the modern problem of supervised domain adaptation from a public source to a private target domain.

Domain Adaptation

Best-Effort Adaptation

no code implementations10 May 2023 Pranjal Awasthi, Corinna Cortes, Mehryar Mohri

We show how these bounds can guide the design of learning algorithms that we discuss in detail.

Domain Adaptation

Boosting with Multiple Sources

no code implementations NeurIPS 2021 Corinna Cortes, Mehryar Mohri, Dmitry Storcheus, Ananda Theertha Suresh

We study the problem of learning accurate ensemble predictors, in particular boosting, in the presence of multiple source domains.

Federated Learning

Inconsistency in Conference Peer Review: Revisiting the 2014 NeurIPS Experiment

1 code implementation20 Sep 2021 Corinna Cortes, Neil D. Lawrence

Further, with seven years passing since the experiment we find that for \emph{accepted} papers, there is no correlation between quality scores and impact of the paper as measured as a function of citation count.

Agnostic Learning with Multiple Objectives

no code implementations NeurIPS 2020 Corinna Cortes, Mehryar Mohri, Javier Gonzalvo, Dmitry Storcheus

We further implement the algorithm in a popular symbolic gradient computation framework and empirically demonstrate on a number of datasets the benefits of $\almo$ framework versus learning with a fixed mixture weights distribution.

Beyond Individual and Group Fairness

no code implementations21 Aug 2020 Pranjal Awasthi, Corinna Cortes, Yishay Mansour, Mehryar Mohri

In the adversarial setting, we design efficient algorithms with competitive ratio guarantees.

Fairness

Relative Deviation Margin Bounds

no code implementations26 Jun 2020 Corinna Cortes, Mehryar Mohri, Ananda Theertha Suresh

We present a series of new and more favorable margin-based learning guarantees that depend on the empirical margin loss of a predictor.

Generalization Bounds valid

Adaptive Region-Based Active Learning

no code implementations ICML 2020 Corinna Cortes, Giulia Desalvo, Claudio Gentile, Mehryar Mohri, Ningshan Zhang

We present a new active learning algorithm that adaptively partitions the input space into a finite number of regions, and subsequently seeks a distinct predictor for each region, both phases actively requesting labels.

Active Learning

Regularized Gradient Boosting

no code implementations NeurIPS 2019 Corinna Cortes, Mehryar Mohri, Dmitry Storcheus

We fill this gap by deriving data-dependent learning guarantees for \GB\ used with \emph{regularization}, expressed in terms of the Rademacher complexities of the constrained families of base predictors.

Generalization Bounds

Learning GANs and Ensembles Using Discrepancy

no code implementations NeurIPS 2019 Ben Adlam, Corinna Cortes, Mehryar Mohri, Ningshan Zhang

Generative adversarial networks (GANs) generate data based on minimizing a divergence between two distributions.

Domain Adaptation

AdaNet: A Scalable and Flexible Framework for Automatically Learning Ensembles

1 code implementation30 Apr 2019 Charles Weill, Javier Gonzalvo, Vitaly Kuznetsov, Scott Yang, Scott Yak, Hanna Mazzawi, Eugen Hotaj, Ghassen Jerfel, Vladimir Macko, Ben Adlam, Mehryar Mohri, Corinna Cortes

AdaNet is a lightweight TensorFlow-based (Abadi et al., 2015) framework for automatically learning high-quality ensembles with minimal expert intervention.

Neural Architecture Search

Efficient Gradient Computation for Structured Output Learning with Rational and Tropical Losses

no code implementations NeurIPS 2018 Corinna Cortes, Vitaly Kuznetsov, Mehryar Mohri, Dmitry Storcheus, Scott Yang

In this paper, we design efficient gradient computation algorithms for two broad families of structured prediction loss functions: rational and tropical losses.

Structured Prediction

Online Non-Additive Path Learning under Full and Partial Information

no code implementations18 Apr 2018 Corinna Cortes, Vitaly Kuznetsov, Mehryar Mohri, Holakou Rahmanian, Manfred K. Warmuth

We study the problem of online path learning with non-additive gains, which is a central problem appearing in several applications, including ensemble structured prediction.

Structured Prediction

Discrepancy-Based Algorithms for Non-Stationary Rested Bandits

no code implementations29 Oct 2017 Corinna Cortes, Giulia Desalvo, Vitaly Kuznetsov, Mehryar Mohri, Scott Yang

We show that the notion of discrepancy can be used to design very general algorithms and a unified framework for the analysis of multi-armed rested bandit problems with non-stationary rewards.

Online Learning with Abstention

no code implementations ICML 2018 Corinna Cortes, Giulia Desalvo, Claudio Gentile, Mehryar Mohri, Scott Yang

In the stochastic setting, we first point out a bias problem that limits the straightforward extension of algorithms such as UCB-N to time-varying feedback graphs, as needed in this context.

Boosting with Abstention

no code implementations NeurIPS 2016 Corinna Cortes, Giulia Desalvo, Mehryar Mohri

We present a new boosting algorithm for the key scenario of binary classification with abstention where the algorithm can abstain from predicting the label of a point, at the price of a fixed cost.

Binary Classification

Structured Prediction Theory Based on Factor Graph Complexity

no code implementations NeurIPS 2016 Corinna Cortes, Mehryar Mohri, Vitaly Kuznetsov, Scott Yang

We give new data-dependent margin guarantees for structured prediction for a very wide family of loss functions and a general family of hypotheses, with an arbitrary factor graph decomposition.

Structured Prediction

Voted Kernel Regularization

no code implementations14 Sep 2015 Corinna Cortes, Prasoon Goyal, Vitaly Kuznetsov, Mehryar Mohri

This paper presents an algorithm, Voted Kernel Regularization , that provides the flexibility of using potentially very complex kernel functions such as predictors based on much higher-degree polynomial kernels, while benefitting from strong learning guarantees.

General Classification

Adaptation Algorithm and Theory Based on Generalized Discrepancy

no code implementations7 May 2014 Corinna Cortes, Mehryar Mohri, Andres Muñoz Medina

We present a new algorithm for domain adaptation improving upon a discrepancy minimization algorithm previously shown to outperform a number of algorithms for this task.

Domain Adaptation

Relative Deviation Learning Bounds and Generalization with Unbounded Loss Functions

no code implementations22 Oct 2013 Corinna Cortes, Spencer Greenberg, Mehryar Mohri

We present an extensive analysis of relative deviation bounds, including detailed proofs of two-sided inequalities and their implications.

Generalization Bounds regression

Accuracy at the Top

no code implementations NeurIPS 2012 Stephen Boyd, Corinna Cortes, Mehryar Mohri, Ana Radovanovic

We introduce a new notion of classification accuracy based on the top $\tau$-quantile values of a scoring function, a relevant criterion in a number of problems arising for search engines.

General Classification

Algorithms for Learning Kernels Based on Centered Alignment

no code implementations2 Mar 2012 Corinna Cortes, Mehryar Mohri, Afshin Rostamizadeh

Our theoretical results include a novel concentration bound for centered alignment between kernel matrices, the proof of the existence of effective predictors for kernels with high alignment, both for classification and for regression, and the proof of stability-based generalization bounds for a broad family of algorithms for learning kernels based on centered alignment.

General Classification Generalization Bounds +1

Learning Bounds for Importance Weighting

no code implementations NeurIPS 2010 Corinna Cortes, Yishay Mansour, Mehryar Mohri

This paper presents an analysis of importance weighting for learning from finite samples and gives a series of theoretical and algorithmic results.

Polynomial Semantic Indexing

no code implementations NeurIPS 2009 Bing Bai, Jason Weston, David Grangier, Ronan Collobert, Kunihiko Sadamasa, Yanjun Qi, Corinna Cortes, Mehryar Mohri

We present a class of nonlinear (polynomial) models that are discriminatively trained to directly map from the word content in a query-document or document-document pair to a ranking score.

Retrieval

Learning Non-Linear Combinations of Kernels

no code implementations NeurIPS 2009 Corinna Cortes, Mehryar Mohri, Afshin Rostamizadeh

This paper studies the general problem of learning kernels based on a polynomial combination of base kernels.

regression

Cannot find the paper you are looking for? You can Submit a new open access paper.