Massively parallel computation: Algorithms and applications

S Im, R Kumar, S Lattanzi, B Moseley… - … and Trends® in …, 2023 - nowpublishers.com
The algorithms community has been modeling the underlying key features and constraints of
massively parallel frameworks and using these models to discover new algorithmic …

Correlation clustering with sherali-adams

V Cohen-Addad, E Lee… - 2022 IEEE 63rd Annual …, 2022 - ieeexplore.ieee.org
Given a complete graph G=(V, E) where each edge is labeled+ or−, the CORRELATION
CLUSTERING problem asks to partition V into clusters to minimize the number of+ edges …

Handling correlated rounding error via preclustering: A 1.73-approximation for correlation clustering

V Cohen-Addad, E Lee, S Li… - 2023 IEEE 64th Annual …, 2023 - ieeexplore.ieee.org
We consider the classic correlation clustering problem: Given a complete graph where
edges are labelled either+ or−, the goal is to find a partition of the vertices that minimizes the …

Single-pass streaming algorithms for correlation clustering

S Behnezhad, M Charikar, W Ma, LY Tan - … of the 2023 Annual ACM-SIAM …, 2023 - SIAM
We study correlation clustering in the streaming setting. This problem has been studied
extensively and numerous algorithms have been developed, most requiring multiple passes …

Almost 3-approximate correlation clustering in constant rounds

S Behnezhad, M Charikar, W Ma… - 2022 IEEE 63rd Annual …, 2022 - ieeexplore.ieee.org
We study parallel algorithms for correlation clustering. Each pair among n objects is labeled
as either “similar” or “dissimilar”. The goal is to partition the objects into arbitrarily many …

Sublinear time and space algorithms for correlation clustering via sparse-dense decompositions

S Assadi, C Wang - arXiv preprint arXiv:2109.14528, 2021 - arxiv.org
We present a new approach for solving (minimum disagreement) correlation clustering that
results in sublinear algorithms with highly efficient time and space complexity for this …

A (3+ ɛ)-Approximate Correlation Clustering Algorithm in Dynamic Streams

M Cambus, F Kuhn, E Lindy, S Pai, J Uitto - … of the 2024 Annual ACM-SIAM …, 2024 - SIAM
Grouping together similar elements in datasets is a common task in data mining and
machine learning. In this paper, we study streaming and parallel algorithms for correlation …

[PDF][PDF] Understanding the Cluster Linear Program for Correlation Clustering

N Cao, V Cohen-Addad, E Lee, S Li… - Proceedings of the 56th …, 2024 - dl.acm.org
In the classic Correlation Clustering problem introduced by Bansal, Blum, and Chawla ‍
(FOCS 2002), the input is a complete graph where edges are labeled either+ or−, and the …

Online and consistent correlation clustering

V Cohen-Addad, S Lattanzi… - International …, 2022 - proceedings.mlr.press
In the correlation clustering problem the input is a signed graph where the sign indicates
whether each pair of points should be placed in the same cluster or not. The goal of the …

Streaming algorithms and lower bounds for estimating correlation clustering cost

S Assadi, V Shah, C Wang - Advances in Neural …, 2023 - proceedings.neurips.cc
Correlation clustering is a fundamental optimization problem at the intersection of machine
learning and theoretical computer science. Motivated by applications to big data processing …