Results 91 to 100 of about 5,656,703 (302)

Infinite Server Queues with Synchronized Departures Driven by a Single Point Process [PDF]

open access: yesQueueing Systems, 2004
The paper considers a system where groups of customers arrive at the epochs of a point process \(\{ T_n ,n \in Z\} \) defined on the whole real line. The \(n\)th group arrives at time \(T_n \) and consists of \(\beta _n \) customers. The \(i\)th customer of the \(n\)th group remains in the system for \(\sigma _{i,n} \) time units, and then departs at ...
openaire   +1 more source

A British Pharmacological Society Position Statement on Medications in Pregnancy and Lactation

open access: yes
British Journal of Clinical Pharmacology, EarlyView.
Agnesa Mustafa   +14 more
wiley   +1 more source

Health System Resilience and Afghan Refugee Health in Pakistan: An Exploratory Study of Challenges and Pathways to Inclusion

open access: yesThe International Journal of Health Planning and Management, EarlyView.
ABSTRACT Pakistan has hosted Afghan refugees for more than four decades, in one of the world's most protracted displacements of people. Afghan refugees receive health services through United Nations High Commissioner for Refugees (UNHCR) and non‐governmental organisation (NGO) supported programmes alongside public sector facilities at every tier.
Zahid Ali Memon   +4 more
wiley   +1 more source

Spectral solutions for dual queueing systems with distribution laws in the form of probabilistic mixtures

open access: yesФизика волновых процессов и радиотехнические системы
Background. Queueing systems are in demand for mathematical modeling of data transmission systems and networks. The distribution laws that shape the queueing system play a key role in this process.
Veniamin N. Tarasov   +1 more
doaj   +1 more source

Reinforcement Learning-Based Adaptive Transmission in Time-Varying Underwater Acoustic Channels

open access: yesIEEE Access, 2018
This paper studies adaptive transmission in an underwater acoustic (UWA) point-to-point communication system that operates on an epoch-by-epoch basis for a long term.
Chaofeng Wang   +3 more
doaj   +1 more source

Streamlining Hospital Planning: A User‐Friendly Decision Support Tool for Enhanced Healthcare Delivery

open access: yesThe International Journal of Health Planning and Management, EarlyView.
ABSTRACT Healthcare providers worldwide face challenges in maintaining a delicate balance between rising demand and limited resources. Decision‐makers often struggle with planning and implementing new services, leading to costly consequences and hindering efficiency, patient outcomes, and staff well‐being. Current systems lack a comprehensive modelling
Eren Demir
wiley   +1 more source

Artificial intelligence and liquidation: Reality, destiny and fantasy

open access: yesInternational Insolvency Review, EarlyView.
Abstract Artificial intelligence (AI) is increasingly reshaping the administration of corporate liquidation. Beyond its established role in financial prediction and data analytics, AI is now assisting insolvency practitioners in identifying the onset of financial distress, managing creditor communications, tracing and valuing assets and enhancing ...
Kai Zhang, Jingchen Zhao
wiley   +1 more source

Short-Range Prediction of the Zone of Moving Vehicles in Arterial Networks

open access: yesISPRS International Journal of Geo-Information, 2018
In many moving object databases, future locations of vehicles in arterial networks are predicted. While most of studies apply the frequent behavior of historical trajectories or vehicles’ recent kinematics as the basis of predictions, consideration of ...
Rouzbeh Forouzandeh Jonaghani   +2 more
doaj   +1 more source

The attractiveness of the fixed points of a $\cdot/GI/1$ queue

open access: yesThe Annals of Probability, 2003
The paper considers an infinite tandem of \( \cdot\)/GI/1 queues. Denote by \(S(n,k)\) the service time of the \(n\)th customer at the \(k\)th node. It is assumed that \(S(n,k)\) are independent, have common distribution \(\sigma \) which is not concentrated at 1, and \(ES(1,1) = 1\).
openaire   +3 more sources

Blood Biomarkers of Helicobacter pylori‐Infected Chronic Gastritis in Active Versus Stable Phases: A Clinical Indicator Analysis Combined With Proteomic and Metabolomic Investigations

open access: yesiMetaMed, EarlyView.
Combining clinical data with serum proteomics and metabolomics, the HGB–CAPZB–acetic acid model was developed as a potential diagnostic index to distinguish the active and stable stages of Helicobacter pylori‐infected chronic gastritis, and the related mechanism was explored through multi‐omics.
Tiantong Jiang   +7 more
wiley   +1 more source

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