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Related papers: Improving Policy-Constrained Kidney Exchange via P…

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Kidney structures segmentation is a crucial yet challenging task in the computer-aided diagnosis of surgery-based renal cancer. Although numerous deep learning models have achieved remarkable success in many medical image segmentation…

Image and Video Processing · Electrical Eng. & Systems 2022-08-30 Shishuai Hu , Yiwen Ye , Zehui Liao , Yong Xia

Modern kidney placement incorporates several intelligent recommendation systems which exhibit social discrimination due to biases inherited from training data. Although initial attempts were made in the literature to study algorithmic…

Machine Learning · Computer Science 2024-04-08 Mukund Telukunta , Sukruth Rao , Gabriella Stickney , Venkata Sriram Siddardh Nadendla , Casey Canfield

We study the problem of dynamic matching in heterogeneous networks, where agents are subject to compatibility restrictions and stochastic arrival and departure times. In particular, we consider networks with one type of easy-to-match agents…

Machine Learning · Computer Science 2023-03-09 Xiaowu Dai , Hengzhi He

Tacrolimus is one of the cornerstone immunosuppressive drugs in most transplantation centers worldwide following solid organ transplantation. Therapeutic drug monitoring of tacrolimus is necessary in order to avoid rejection of the…

Machine Learning · Computer Science 2022-05-18 Andrea M. Storås , Anders Åsberg , Pål Halvorsen , Michael A. Riegler , Inga Strümke

In this paper we study the data exchange problem where a set of users is interested in gaining access to a common file, but where each has only partial knowledge about it as side-information. Assuming that the file is broken into packets,…

Information Theory · Computer Science 2015-02-24 Nebojsa Milosavljevic , Sameer Pawar , Salim El Rouayheb , Michael Gastpar , Kannan Ramchandran

In a barter exchange market, agents bring items and seek to exchange their items with one another. Agents may agree to a k-way exchange involving a cycle of k agents. A barter exchange market can be represented by a digraph where the…

Data Structures and Algorithms · Computer Science 2023-06-22 Timothy Highley , Hoang Le

Optimizing car sharing systems under demand uncertainty is an emerging problem for ensuring profitable and sustainable operations of these services while taking into account quality of service concerns. With the increasing adoption of…

Optimization and Control · Mathematics 2023-07-18 Sinan Emre Kosunda , Beste Basciftci , Esra Koca

A debt swap is an elementary edge swap in a directed, weighted graph, where two edges with the same weight swap their targets. Debt swaps are a natural and appealing operation in financial networks, in which nodes are banks and edges…

Data Structures and Algorithms · Computer Science 2026-01-30 Henri Froese , Martin Hoefer , Lisa Wilhelmi

Rising provider turnover results in frequently needing to rematch patients with available providers. However, the rematching process is cumbersome for both patients and health systems, resulting in labor-intensive and ad hoc reassignments.…

Computers and Society · Computer Science 2025-06-13 Naveen Raman , Holly Wiberg

Cross-chain asset exchange is crucial for blockchain interoperability. Existing solutions rely on trusted third parties and risk asset loss, or use decentralized alternatives like atomic swaps, which suffer from grief attacks. Griefing…

Cryptography and Security · Computer Science 2025-08-07 Kirti Singh , Vinay J. Ribeiro , Susmita Mandal

There is an increase in demand for organs as transplantation is becoming a common practice to elongate human life. To reach this demand, three-dimensional bioprinting is developing from prior knowledge of scaffolds, growth factors, etc.…

Tissues and Organs · Quantitative Biology 2022-12-29 Alicia Shin

We study data exchange among strategic agents without monetary transfers, motivated by domains such as research consortia and healthcare collaborations where payments are infeasible or restricted. The central challenge is to reap the…

Computer Science and Game Theory · Computer Science 2026-02-13 Rashida Hakim , Christos Papadimitriou , Mihalis Yannakakis

The paper considers the problem of finding a submatrix $X_{\mathcal{S}} \in \mathbb{R}^{m \times k}$ in a matrix $X \in \mathbb{R}^{m \times n}$, such that the spectral or Frobenius norm of $X_{\mathcal{S}}^{\dag} X$ is limited, which…

Numerical Analysis · Mathematics 2026-04-17 Alexander Osinsky , Ivan Kozyrev

We suggest the re-introduction of bartering to create a cryptocurrencyless, currencyless, and moneyless economy segment. We contend that a barter economy would benefit enterprises, individuals, governments and societies. For instance, the…

Computers and Society · Computer Science 2020-10-15 Carlos Molina-Jimenez , Hazem Danny Al Nakib , Linmao Song , Ioannis Sfyrakis , Jon Crowcroft

Many real matching markets encounter distributional and fairness constraints. Motivated by the Chinese Major Transition Program (CMT), this paper studies the design of exchange mechanisms within a fresh framework of both distributional and…

Theoretical Economics · Economics 2025-09-18 Yao Cheng , Jingsheng Yu , Ling Zheng

Fair regression methods have the potential to mitigate societal bias concerns in health care, but there has been little work on penalized fair regression when multiple groups experience such bias. We propose a general regression framework…

Methodology · Statistics 2026-01-15 Carter H. Nakamoto , Lucia Lushi Chen , Agata Foryciarz , Sherri Rose

Since the introduction of Bitcoin in 2008, many other cryptocurrencies have been introduced and gained popularity. Lack of interoperability and scalability amongst these cryptocurrencies was and still is, acting as a significant impediment…

Cryptography and Security · Computer Science 2019-02-13 Mahdi H. Miraz , David C. Donald

Consider a kidney-exchange application where we want to find a max-matching in a random graph. To find whether an edge $e$ exists, we need to perform an expensive test, in which case the edge $e$ appears independently with a \emph{known}…

Data Structures and Algorithms · Computer Science 2019-02-07 Domagoj Bradac , Sahil Singla , Goran Zuzic

We study a simple exchange market, introduced by Gourv\'{e}s, Lesca and Wilczynski (IJCAI-17), where every agent initially holds a single object. The agents have preferences over the objects, and two agents may swap their objects if they…

Data Structures and Algorithms · Computer Science 2019-05-13 Matthias Bentert , Jiehua Chen , Vincent Froese , Gerhard J. Woeginger

In observational studies of treatment effects, matched samples are created so treated and control groups are similar in terms of observable covariates. Traditionally such matched samples consist of matched pairs. If a pair match fails to…

Methodology · Statistics 2014-10-22 Luke Keele , Sam Pimentel , Frank Yoon