Results 21 to 30 of about 11,364 (178)

Misinformation Correction Maximization Problem with Edge Addition in Social Networks [PDF]

open access: yesJisuanji kexue, 2022
The popularity of online social networks such as Wechat has aroused people’s more attention to information diffusion.The spread of misinformation in social networks may lead to serious consequences,such as economic losses and public panic.Therefore ...
SONG Xin-yue, SHUAI Tian-ping, CHEN Bin
doaj   +1 more source

Quantitative approximation by nonlinear Angheluta-Choquet singular integrals

open access: yesJournal of Numerical Analysis and Approximation Theory, 2020
By using the concept of nonlinear Choquet integral with respect to a capacity and as a generalization of the Poisson-Cauchy-Choquet operators, we introduce the nonlinear Angheluta-Choquet singular integrals with respect to a family of submodular set ...
Sorin Gal, Ionut Iancu
doaj   +7 more sources

Efficient Streaming Algorithms for Maximizing Monotone DR-Submodular Function on the Integer Lattice

open access: yesMathematics, 2022
In recent years, the issue of maximizing submodular functions has attracted much interest from research communities. However, most submodular functions are specified in a set function.
Bich-Ngan T. Nguyen   +3 more
doaj   +1 more source

Some Results about the Contractions and the Pendant Pairs of a Submodular System [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2019
Submodularity is an important  property of set functions with deep theoretical results  and various  applications. Submodular systems appear in many applicable area, for example machine learning, economics, computer vision, social science, game theory ...
Saeid Hanifehnezhad, Ardeshir Dolati
doaj   +1 more source

An Improved Approximation Algorithm for the Minimum Power Cover Problem with Submodular Penalty

open access: yesComputation, 2022
In this paper, we consider the minimum power cover problem with submodular penalty (SPMPC). Given a set U of n users, a set S of m sensors and a penalty function π:2U→R+ on the plane, the relationship that adjusts the power p(s) of each sensor s and its ...
Han Dai
doaj   +1 more source

A balanced sensor scheduling for multitarget localization in a distributed multiple-input multiple-output radar network

open access: yesInternational Journal of Distributed Sensor Networks, 2021
In this article, we consider the problem of optimally selecting a subset of transmitters from a transmitter set available to a multiple-input and multiple-output radar network.
Chenggang Wang   +3 more
doaj   +1 more source

Fast and exact search for the partition with minimal information loss. [PDF]

open access: yesPLoS ONE, 2018
In analysis of multi-component complex systems, such as neural systems, identifying groups of units that share similar functionality will aid understanding of the underlying structures of the system.
Shohei Hidaka, Masafumi Oizumi
doaj   +1 more source

Single Machine Vector Scheduling with General Penalties

open access: yesMathematics, 2021
In this paper, we study the single machine vector scheduling problem (SMVS) with general penalties, in which each job is characterized by a d-dimensional vector and can be accepted and processed on the machine or rejected.
Xiaofei Liu, Weidong Li, Yaoyu Zhu
doaj   +1 more source

Optimal design and operation of damping controllers in PV–wind integrated sustainable energy grids considering system uncertainties

open access: yesIET Renewable Power Generation, 2023
This paper aims to present an optimization method for the best bus selection (BBS) in the large‐scale power systems in order to send the input signals to the damping controllers.
Mohsen Darabian   +2 more
doaj   +1 more source

New Query Lower Bounds for Submodular Function Minimization [PDF]

open access: yes, 2019
We consider submodular function minimization in the oracle model: given black-box access to a submodular set function $f:2^{[n]}\rightarrow \mathbb{R}$, find an element of $\arg\min_S \{f(S)\}$ using as few queries to $f(\cdot)$ as possible. State-of-the-
Graur, Andrei   +3 more
core   +2 more sources

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