Escaping from saddle points—online stochastic gradient for tensor decomposition

R Ge, F Huang, C Jin, Y Yuan - Conference on learning …, 2015 - proceedings.mlr.press
We analyze stochastic gradient descent for optimizing non-convex functions. In many cases
for non-convex functions the goal is to find a reasonable local minimum, and the main …

Tensors for data mining and data fusion: Models, applications, and scalable algorithms

EE Papalexakis, C Faloutsos… - ACM Transactions on …, 2016 - dl.acm.org
Tensors and tensor decompositions are very powerful and versatile tools that can model a
wide variety of heterogeneous, multiaspect data. As a result, tensor decompositions, which …

Tensor completion algorithms in big data analytics

Q Song, H Ge, J Caverlee, X Hu - ACM Transactions on Knowledge …, 2019 - dl.acm.org
Tensor completion is a problem of filling the missing or unobserved entries of partially
observed tensors. Due to the multidimensional character of tensors in describing complex …

Navigating the local modes of big data

ME Roberts, BM Stewart, D Tingley - Computational social …, 2016 - books.google.com
Each day humans generate massive volumes of data in a variety of different forms (Lazer et
al., 2009). For example, digitized texts provide a rich source of political content through …

Fast and guaranteed tensor decomposition via sketching

Y Wang, HY Tung, AJ Smola… - Advances in neural …, 2015 - proceedings.neurips.cc
Abstract Tensor CANDECOMP/PARAFAC (CP) decomposition has wide applications in
statistical learning of latent variable models and in data mining. In this paper, we propose …

[PDF][PDF] A tensor approach to learning mixed membership community models

A Anandkumar, R Ge, D Hsu, SM Kakade - The Journal of Machine …, 2014 - jmlr.org
Community detection is the task of detecting hidden communities from observed
interactions. Guaranteed community detection has so far been mostly limited to models with …

Guaranteed Non-Orthogonal Tensor Decomposition via Alternating Rank- Updates

A Anandkumar, R Ge, M Janzamin - arXiv preprint arXiv:1402.5180, 2014 - arxiv.org
In this paper, we provide local and global convergence guarantees for recovering CP
(Candecomp/Parafac) tensor decomposition. The main step of the proposed algorithm is a …

A tensor spectral approach to learning mixed membership community models

A Anandkumar, R Ge, D Hsu… - Conference on Learning …, 2013 - proceedings.mlr.press
Modeling community formation and detecting hidden communities in networks is a well
studied problem. However, theoretical analysis of community detection has been mostly …

Streaming graph challenge: Stochastic block partition

E Kao, V Gadepally, M Hurley, M Jones… - 2017 IEEE High …, 2017 - ieeexplore.ieee.org
An important objective for analyzing real-world graphs is to achieve scalable performance
on large, streaming graphs. A challenging and relevant example is the graph partition …

Tensor factorization via matrix factorization

V Kuleshov, A Chaganty… - Artificial Intelligence and …, 2015 - proceedings.mlr.press
Tensor factorization arises in many machine learning applications, such as knowledge base
modeling and parameter estimation in latent variable models. However, numerical methods …