Search Results for author: Maria Florina Balcan

Found 9 papers, 0 papers with code

An Improved Gap-Dependency Analysis of the Noisy Power Method

no code implementations23 Feb 2016 Maria Florina Balcan, Simon S. Du, Yining Wang, Adams Wei Yu

We consider the noisy power method algorithm, which has wide applications in machine learning and statistics, especially those related to principal component analysis (PCA) under resource (communication, memory or privacy) constraints.

Data Driven Resource Allocation for Distributed Learning

no code implementations15 Dec 2015 Travis Dick, Mu Li, Venkata Krishna Pillutla, Colin White, Maria Florina Balcan, Alex Smola

In distributed machine learning, data is dispatched to multiple machines for processing.

Label Efficient Learning by Exploiting Multi-class Output Codes

no code implementations10 Nov 2015 Maria Florina Balcan, Travis Dick, Yishay Mansour

We present a new perspective on the popular multi-class algorithmic techniques of one-vs-all and error correcting output codes.

Budgeted Influence Maximization for Multiple Products

no code implementations8 Dec 2013 Nan Du, YIngyu Liang, Maria Florina Balcan, Le Song

The typical algorithmic problem in viral marketing aims to identify a set of influential users in a social network, who, when convinced to adopt a product, shall influence other users in the network and trigger a large cascade of adoptions.

Combinatorial Optimization Marketing

The Power of Localization for Efficiently Learning Linear Separators with Noise

no code implementations31 Jul 2013 Pranjal Awasthi, Maria Florina Balcan, Philip M. Long

For malicious noise, where the adversary can corrupt both the label and the features, we provide a polynomial-time algorithm for learning linear separators in $\Re^d$ under isotropic log-concave distributions that can tolerate a nearly information-theoretically optimal noise rate of $\eta = \Omega(\epsilon)$.

Active Learning

Statistical Active Learning Algorithms for Noise Tolerance and Differential Privacy

no code implementations11 Jul 2013 Maria Florina Balcan, Vitaly Feldman

These results combined with our generic conversion lead to the first computationally-efficient algorithms for actively learning some of these concept classes in the presence of random classification noise that provide exponential improvement in the dependence on the error $\epsilon$ over their passive counterparts.

Active Learning General Classification

Distributed k-Means and k-Median Clustering on General Topologies

no code implementations NeurIPS 2013 Maria Florina Balcan, Steven Ehrlich, YIngyu Liang

We provide a distributed method for constructing a global coreset which improves over the previous methods by reducing the communication complexity, and which works over general communication topologies.

Clustering

Active and passive learning of linear separators under log-concave distributions

no code implementations6 Nov 2012 Maria Florina Balcan, Philip M. Long

We provide new results concerning label efficient, polynomial time, passive and active learning of linear separators.

Active Learning Open-Ended Question Answering

Clustering under Perturbation Resilience

no code implementations5 Dec 2011 Maria Florina Balcan, YIngyu Liang

For $k$-median, a center-based objective of special interest, we additionally give algorithms for a more relaxed assumption in which we allow the optimal solution to change in a small $\epsilon$ fraction of the points after perturbation.

Clustering

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