نتایج جستجو برای: vacation interruption

تعداد نتایج: 12201  

2014
Onno Boxma Dieter Claeys

This paper is devoted to the study of an M/G/1 queue with a particular vacation discipline. The server is due to take a vacation as soon as it has served exactly N customers since the end of the previous vacation. N may be either a constant or a random variable. If the system becomes empty before the server has served N customers, then it stays idle until the next customer arrival. Such a vacat...

Journal: :Perform. Eval. 1997
Zhe George Zhang Raymond G. Vickson Michel J. A. van Eenige

This paper treats two-threshold policies for an M/G/1 queue with two types of generally distributed random vacations: type 1 (long) and type 2 (short) vacations. Upon returning from a vacation, the server observes the queue length. If this is less than the lower threshold, the server takes a type 1 vacation; if it is between the two thresholds, the server takes a type 2 vacation; and if it is a...

2008
Anna E. Clark

why version: answers the question “Why are you going on vacation?” I feel like a long vacation, somewhere far away. I love to travel. Mexico has places where I can relax and also see some amazing natural landscapes. That’s why I choose Mexico as the destination. There are great beaches and many important cultural sites Clark, Semin / Conversational Relevance 165

Journal: :Wilderness & Environmental Medicine 2002

Journal: :Canadian Medical Association Journal 2007

Journal: :international journal of mathematical modelling and computations 0
vijaya laxmi pikkala andhra university, visakhapatnam india suchitra vepada andhra university, visakhapatnam india

this paper analyzes renewal input state dependent queue with $n$- policy wherein the server takes exactly one vacation. using the supplementary variable technique and recursive method, we derive the steady state system length distributions at various epochs. various performance measures has been presented. finally, some numerical  computations in the form of graphs are presented to show the par...

Journal: :Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2009
Kelly J Pettijohn Nancy L Asdigian Jenny Aalborg Joseph G Morelli Stefan T Mokrohisky Robert P Dellavalle Lori A Crane

Nevi are a main risk factor for malignant melanoma, and most nevi develop in childhood. This study examined the relationship between vacations and nevi in 681 White children born in 1998 who were lifetime residents of Colorado. Vacation histories were assessed through telephone interviews of parents, whereas nevus and phenotypic characteristics were assessed through skin exams at age 7. Multipl...

2014
S. Suganya

AbstractIn this paper, a single server bulk service queuing system with interrupted vacation, request for Re-service and Balking is considered. At a service completion, if the server finds at least „a‟ customers waiting for service say ξ, he serves a batch of min (ξ ,b ) customers, whereb ≥ a. At the completion of an essential service, the leaving batch of customers may request for a re-service...

2011
Christine A. Vogt

From pre-trip planning through post-trip remembering, vacations unfold over long periods of time. Through the course of a trip the same travel information may be used repeatedly but with different levels of success and satisfaction. These experiential fluctuations over time were examined in a study of trip planners, who collected travel information from a chamber of commerce before leaving home...

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