Search Results - "De Vuyst, Stijn"

Appointment games with unobservable and observable schedules by Deceuninck, Matthias, De Vuyst, Stijn, Claeys, Dieter, Fiems, Dieter

“…Appointment scheduling assigns start times in a session or consultation block to a set of tasks that share a common resource. For a generic repeated…”
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Data-driven operator functional state classification in smart manufacturing by Besharati Moghaddam, Fatemeh, Lopez, Angel J., Van Gheluwe, Casper, De Vuyst, Stijn, Gautama, Sidharta

“…One of the main challenges in the industry is having trained and efficient operators in manufacturing lines. Smart adaptive guidance systems are developed that…”
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From Exhaustive Vacation Queues to Preemptive Priority Queues with General Interarrival Times by Fiems, Dieter, De Vuyst, Stijn

“…We consider the discrete-time G/GI/1 queueing system with multiple exhaustive vacations. By a transform approach, we obtain an expression for the probability…”
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Natural Language Processing in Knowledge-Based Support for Operator Assistance by Besharati Moghaddam, Fatemeh, Lopez, Angel J., De Vuyst, Stijn, Gautama, Sidharta

“…Manufacturing industry faces increasing complexity in the performance of assembly tasks due to escalating demand for complex products with a greater number of…”
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On the optimization of two-class work-conserving parameterized scheduling policies by Vanlerberghe, Jasper, Maertens, Tom, Walraevens, Joris, De Vuyst, Stijn, Bruneel, Herwig

“…Numerous scheduling policies are designed to differentiate quality of service for different applications. Service differentiation can in fact be formulated as…”
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Efficient performance analysis of newly proposed sleep-mode mechanisms for IEEE 802.16m in case of correlated downlink traffic by De Turck, Koen, De Vuyst, Stijn, Fiems, Dieter, Bruneel, Herwig, Wittevrongel, Sabine

“…There is a considerable interest nowadays in improving energy efficiency of wireless telecommunications. The sleep-mode mechanism in WiMAX (IEEE 802.16) and…”
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Outpatient scheduling with unpunctual patients and no-shows by Deceuninck, Matthias, Fiems, Dieter, De Vuyst, Stijn

“…•A discrete-time framework for the evaluation of outpatient schedules is proposed.•Patients may be unpunctual and have general, distinct service time…”
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A novel hybrid assembly method to reduce operational costs of selective assembly by Mencaroni, Andrea, Claeys, Dieter, De Vuyst, Stijn

“…Selective assembly is a technique whereby components are smartly matched depending on their measured feature values. Although it can reduce scrap by allowing…”
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Performance analysis of the IEEE 802.16e sleep mode for correlated downlink traffic by De Turck, Koen, De Vuyst, Stijn, Fiems, Dieter, Wittevrongel, Sabine

“…In this paper, we evaluate the performance of the IEEE 802.16e sleep mode mechanism in wireless access networks. This mechanism reduces the energy consumption…”
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A quantitative framework to support the decision between traditional, selective, and hybrid assembly by Mencaroni, Andrea, Claeys, Dieter, Raa, Birger, De Vuyst, Stijn

“…High-technological products often consist of several components, each with varying feature values that are critical to the assembly’s quality. As traditional…”
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Discrete-time modified number- and time-limited vacation queues by Claeys, Dieter, De Vuyst, Stijn

“…A vast amount of literature has appeared on vacation queues. In the well-known number- and time-limited vacation policies, the server goes on vacation if the…”
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Asymptotics of waiting time distributions in the accumulating priority queue by Walraevens, Joris, Van Giel, Thomas, De Vuyst, Stijn, Wittevrongel, Sabine

“…We analyze the asymptotics of waiting time distributions in the two-class accumulating priority queue with general service times. The accumulating priority…”
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An efficient control variate method for appointment scheduling with patient unpunctuality by Deceuninck, Matthias, De Vuyst, Stijn, Fiems, Dieter

“…•We propose a control variate method for scheduling with unpunctual patients.•The control variates consist of the performance measures of punctual…”
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Surgery sequencing to minimize the expected maximum waiting time of emergent patients by Vandenberghe, Mathieu, De Vuyst, Stijn, Aghezzaf, El-Houssaine, Bruneel, Herwig

“…•Stochasticity of surgery durations complicates size of largest break-in-interval.•Scenario-based mixed integer linear program outperforms deterministic…”
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Computationally efficient evaluation of appointment schedules in health care by De Vuyst, Stijn, Bruneel, Herwig, Fiems, Dieter

“…•We consider the evaluation and construction of patient appointment schedules.•Efficient algorithm based on a discrete-time queueing model and Lindley’s…”
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Incorporating macroeconomic leading indicators in tactical capacity planning by Sagaert, Yves R., Kourentzes, Nikolaos, De Vuyst, Stijn, Aghezzaf, El-Houssaine, Desmet, Bram

“…Tactical capacity planning relies on future estimates of demand for the mid- to long-term. On these forecast horizons there is increased uncertainty that the…”
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Performance analysis of a discrete-time two-class global-FCFS queue with two servers and geometric service times by Bruneel, Herwig, Mélange, Willem, Walraevens, Joris, De Vuyst, Stijn, Claeys, Dieter

“…In this paper, we analyze a discrete-time queueing model with two types (classes) of customers and two servers, one for each customer class. Although each…”
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Strict monotonicity and continuity of mean unfinished work in two queues sharing a server by Walraevens, Joris, Vanlerberghe, Jasper, Maertens, Tom, De Vuyst, Stijn, Bruneel, Herwig

“…We consider a system where two queues share one server. In case of conflict, the first (second) queue is served with probability β (1−β respectively). We prove…”
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Robust queueing theory: an initial study using imprecise probabilities by Lopatatzidis, Stavros, De Bock, Jasper, de Cooman, Gert, De Vuyst, Stijn, Walraevens, Joris

“…We study the robustness of performance predictions of discrete-time finite-capacity queues by applying the framework of imprecise probabilities. More…”
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Protecting a Sensitive Queue from Arrival Variability by Vandenberghe, Mathieu, De Vuyst, Stijn, Aghezzaf, El-Houssaine, Bruneel, Herwig

“…Minimizing item waiting time between stages is a general focus of operations research, and of particular concern for certain industries. We propose a two-stage…”
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