Linear-time approximation for maximum weight matching

R Duan, S Pettie - Journal of the ACM (JACM), 2014 - dl.acm.org
The maximum cardinality and maximum weight matching problems can be solved in Õ (m√
n) time, a bound that has resisted improvement despite decades of research.(Here m and n …

Parallel algorithms for geometric graph problems

A Andoni, A Nikolov, K Onak… - Proceedings of the forty …, 2014 - dl.acm.org
We give algorithms for geometric graph problems in the modern parallel models such as
MapReduce. For example, for the Minimum Spanning Tree (MST) problem over a set of …

Preserving privacy with probabilistic indistinguishability in weighted social networks

Q Liu, G Wang, F Li, S Yang… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
The increasing popularity of social networks has inspired recent research to explore social
graphs for marketing and data mining. As social networks often contain sensitive information …

Exact and approximate graph matching using random walks

M Gori, M Maggini, L Sarti - IEEE transactions on pattern …, 2005 - ieeexplore.ieee.org
In this paper, we propose a general framework for graph matching which is suitable for
different problems of pattern recognition. The pattern representation we assume is at the …

Aggregation error for location models: survey and analysis

RL Francis, TJ Lowe, MB Rayco, A Tamir - Annals of Operations Research, 2009 - Springer
Location problems occurring in urban or regional settings may involve many tens of
thousands of “demand points,” usually individual private residences. In modeling such …

Efficient sketches for earth-mover distance, with applications

A Andoni, K Do Ba, P Indyk… - 2009 50th Annual IEEE …, 2009 - ieeexplore.ieee.org
We provide the first sub-linear sketching algorithm for estimating the planar Earth-Mover
Distance with a constant approximation. For sets living in the two-dimensional grid [¿] 2, we …

Deterministic, near-linear 𝜀-approximation algorithm for geometric bipartite matching

PK Agarwal, HC Chang, S Raghvendra… - Proceedings of the 54th …, 2022 - dl.acm.org
Given two point sets A and B in ℝ d of size n each, for some constant dimension d≥ 1, and a
parameter ε> 0, we present a deterministic algorithm that computes, in n·(ε− 1 log n) O (d) …

Approximation algorithms for bipartite matching with metric and geometric costs

PK Agarwal, R Sharathkumar - Proceedings of the forty-sixth annual …, 2014 - dl.acm.org
Let G= G (A∪ B, A× B), with| A|=| B|= n, be a weighted bipartite graph, and let d (⊙,⊙) be
the cost function on the edges. Let w (M) denote the weight of a matching in G, and M* a …

Preconditioning for the geometric transportation problem

AB Khesin, A Nikolov, D Paramonov - arxiv preprint arxiv:1902.08384, 2019 - arxiv.org
In the geometric transportation problem, we are given a collection of points $ P $ in $ d $-
dimensional Euclidean space, and each point is given a supply of $\mu (p) $ units of mass …

Algorithms for the transportation problem in geometric settings

R Sharathkumar, PK Agarwal - Proceedings of the twenty-third annual ACM …, 2012 - SIAM
Abstract For A, B⊂ ℝ d,| A|+| B|= n, let a∊ A have a demand da∊ ℤ+ and b∊ B have a supply
sb∊ ℤ+, σ a∊ A da= σ b∊ B sb= U and let d (·,·) be a distance function. Suppose the …