Search Results for author: David F. Gleich

Found 22 papers, 16 papers with code

Topological structure of complex predictions

1 code implementation28 Jul 2022 Meng Liu, Tamal K. Dey, David F. Gleich

Complex prediction models such as deep learning are the output from fitting machine learning, neural networks, or AI models to a set of training data.

Image Classification Topological Data Analysis

A flexible PageRank-based graph embedding framework closely related to spectral eigenvector embeddings

1 code implementation22 Jul 2022 Disha Shur, Yufan Huang, David F. Gleich

We study a simple embedding technique based on a matrix of personalized PageRank vectors seeded on a random set of nodes.

Graph Embedding

Strongly local p-norm-cut algorithms for semi-supervised learning and local graph clustering

1 code implementation NeurIPS 2020 Meng Liu, David F. Gleich

For this problem, we propose a novel generalization of random walk, diffusion, or smooth function methods in the literature to a convex p-norm cut function.

Clustering Community Detection +1

Learning Resolution Parameters for Graph Clustering

1 code implementation12 Mar 2019 Nate Veldt, David F. Gleich, Anthony Wirth

We begin by formalizing the notion of a parameter fitness function, which measures how well a fixed input clustering approximately solves a generalized clustering objective for a specific resolution parameter value.

Clustering Graph Clustering

A Parallel Projection Method for Metric Constrained Optimization

1 code implementation29 Jan 2019 Cameron Ruggles, Nate Veldt, David F. Gleich

In this paper we present a parallel projection method for metric-constrained optimization which allows us to speed up the convergence rate in practice.

Clustering

A Short Introduction to Local Graph Clustering Methods and Software

1 code implementation17 Oct 2018 Kimon Fountoulakis, David F. Gleich, Michael W. Mahoney

Scalability problems led to the development of local graph clustering algorithms that come with a variety of theoretical guarantees.

Social and Information Networks

Low rank methods for multiple network alignment

no code implementations21 Sep 2018 Huda Nassar, Georgios Kollias, Ananth Grama, David F. Gleich

While there are a large number of effective techniques for pairwise problems with two networks that scale in terms of edges, these cannot be readily extended to align multiple networks as the computational complexity will tend to grow exponentially with the number of networks. In this paper we introduce a new multiple network alignment algorithm and framework that is effective at aligning thousands of networks with thousands of nodes.

Coin-flipping, ball-dropping, and grass-hopping for generating random graphs from matrices of edge probabilities

1 code implementation11 Sep 2017 Arjun S. Ramani, Nicole Eikmeier, David F. Gleich

Common models for random graphs, such as Erd\H{o}s-R\'{e}nyi and Kronecker graphs, correspond to generating random adjacency matrices where each entry is non-zero based on a large matrix of probabilities.

Social and Information Networks Discrete Mathematics Combinatorics

Deconvolving Feedback Loops in Recommender Systems

no code implementations NeurIPS 2016 Ayan Sinha, David F. Gleich, Karthik Ramani

Collaborative filtering is a popular technique to infer users' preferences on new content based on the collective information of all users preferences.

Collaborative Filtering Recommendation Systems

Higher-order organization of complex networks

no code implementations26 Dec 2016 Austin R. Benson, David F. Gleich, Jure Leskovec

Many networks are known to exhibit rich, lower-order connectivity patterns that can be captured at the level of individual nodes and edges.

Social and Information Networks Discrete Mathematics Physics and Society

General Tensor Spectral Co-clustering for Higher-Order Data

1 code implementation NeurIPS 2016 Tao Wu, Austin R. Benson, David F. Gleich

Spectral clustering and co-clustering are well-known techniques in data analysis, and recent work has extended spectral clustering to square, symmetric tensors and hypermatrices derived from a network.

Clustering

Correlation Clustering with Low-Rank Matrices

no code implementations21 Nov 2016 Nate Veldt, Anthony Wirth, David F. Gleich

In this paper we explore how to solve the correlation clustering objective exactly when the data to be clustered can be represented by a low-rank matrix.

Clustering

Multi-way Monte Carlo Method for Linear Systems

1 code implementation15 Aug 2016 Tao Wu, David F. Gleich

A sufficient condition for the method to work is $\| H \| < 1$, which greatly limits the usability of this method.

Fast Multiplier Methods to Optimize Non-exhaustive, Overlapping Clustering

no code implementations5 Feb 2016 Yangyang Hou, Joyce Jiyoung Whang, David F. Gleich, Inderjit S. Dhillon

In this paper, we consider two fast multiplier methods to accelerate the convergence of an augmented Lagrangian scheme: a proximal method of multipliers and an alternating direction method of multipliers (ADMM).

Clustering

AptRank: An Adaptive PageRank Model for Protein Function Prediction on Bi-relational Graphs

1 code implementation21 Jan 2016 Biaobin Jiang, Kyle Kloster, David F. Gleich, Michael Gribskov

Diffusion-based network models are widely used for protein function prediction using protein network data and have been shown to outperform neighborhood- and module-based methods.

Molecular Networks Social and Information Networks 92-08

Seeded PageRank Solution Paths

no code implementations1 Mar 2015 Kyle Kloster, David F. Gleich

We study the behavior of network diffusions based on the PageRank random walk from a set of seed nodes.

Social and Information Networks 91D30 (Primary) I.5.3; G.1.3; F.2.2

A Parallel Min-Cut Algorithm using Iteratively Reweighted Least Squares

1 code implementation13 Jan 2015 Yao Zhu, David F. Gleich

We present a parallel algorithm for the undirected $s, t$-mincut problem with floating-point valued weights.

Distributed, Parallel, and Cluster Computing Data Structures and Algorithms Numerical Analysis

PageRank beyond the Web

2 code implementations18 Jul 2014 David F. Gleich

Google's PageRank method was developed to evaluate the importance of web-pages via their link structure.

Social and Information Networks Computational Engineering, Finance, and Science Numerical Analysis Physics and Society

Heat kernel based community detection

1 code implementation13 Mar 2014 Kyle Kloster, David F. Gleich

On a real-world community identification task, the heat kernel communities perform better than those from the PageRank diffusion.

Social and Information Networks Data Structures and Algorithms Physics and Society 91D30 (Primary) I.5.3

Scalable methods for nonnegative matrix factorizations of near-separable tall-and-skinny matrices

1 code implementation NeurIPS 2014 Austin R. Benson, Jason D. Lee, Bartek Rajwa, David F. Gleich

We demonstrate the efficacy of these algorithms on terabyte-sized synthetic matrices and real-world matrices from scientific computing and bioinformatics.

Parallel Maximum Clique Algorithms with Applications to Network Analysis and Storage

1 code implementation25 Feb 2013 Ryan A. Rossi, David F. Gleich, Assefaw H. Gebremedhin, Md. Mostofa Ali Patwary

We propose a fast, parallel maximum clique algorithm for large sparse graphs that is designed to exploit characteristics of social and information networks.

Social and Information Networks Distributed, Parallel, and Cluster Computing Discrete Mathematics Data Structures and Algorithms Physics and Society 05C69 G.2.2

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