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Sergey Zeltyn
Sergey Zeltyn
IBM Research
Verified email at il.ibm.com
Title
Cited by
Cited by
Year
Statistical analysis of a telephone call center: A queueing-science perspective
L Brown, N Gans, A Mandelbaum, A Sakov, H Shen, S Zeltyn, L Zhao
Journal of the American statistical association 100 (469), 36-50, 2005
11622005
Call Centers with Impatient Customers: Many-Server Asymptotics of the M/M/n + G Queue
S Zeltyn, A Mandelbaum
Queueing Systems 51 (3), 361-402, 2005
3452005
Staffing many-server queues with impatient customers: Constraint satisfaction in call centers
A Mandelbaum, S Zeltyn
Operations research 57 (5), 1189-1205, 2009
2222009
Simulation-based models of emergency departments: Operational, tactical, and strategic staffing
S Zeltyn, YN Marmor, A Mandelbaum, B Carmeli, O Greenshpan, ...
ACM Transactions on Modeling and Computer Simulation (TOMACS) 21 (4), 1-25, 2011
1412011
Service engineering in action: the Palm/Erlang-A queue, with applications to call centers
A Mandelbaum, S Zeltyn
Advances in services innovations, 17-45, 2007
1392007
The impact of customers’ patience on delay and abandonment: some empirically-driven experiments with the M/M/n+ G queue
A Mandelbaum, S Zeltyn
OR Spectrum 26 (3), 377-411, 2004
1292004
Data-stories about (im) patient customers in tele-queues
A Mandelbaum, S Zeltyn
Queueing Systems 75 (2), 115-146, 2013
882013
Toward simulation-based real-time decision-support systems for emergency departments
YN Marmor, S Wasserkrug, S Zeltyn, Y Mesika, O Greenshpan, B Carmeli, ...
Proceedings of the 2009 Winter Simulation Conference (WSC), 2042-2053, 2009
502009
The Palm/Erlang-a queue, with applications to call centers
A Mandelbaum, S Zeltyn
Faculty of Industrial Engineering & Management, Technion, Haifa, Israel 7, 8, 2005
442005
Resource optimization for real-time task assignment in multi-process environments
D Gilat, MA Marin, M Masin, SE Wasserkrug, S Zeltyn
US Patent 9,015,723, 2015
432015
Estimating characteristics of queueing networks using transactional data
A Mandelbaum, S Zeltyn
Queueing systems 29 (1), 75-127, 1998
361998
Waiting and sojourn times in a multi-server queue with mixed priorities
S Zeltyn, Z Feldman, S Wasserkrug
Queueing Systems 61, 305-328, 2009
302009
Service-engineering of call centers: Research, teaching, practice
A Mandelbaum, S Zeltyn
IBM Business Optimization and Operations Research Workshop, Haifa, Israel, 2006
192006
Service engineering in action: The palm/erlang-a queue, with applications to call centers
A Mandelbaum, S Zeltyn
Israeli Science Foundation Research Report, 2005
162005
Service engineering: Data-based course development and teaching
A Mandelbaum, S Zeltyn
INFORMS Transactions on Education 11 (1), 3-19, 2010
152010
Creating operational shift schedules for third-level IT support: challenges, models and case study
S Wasserkrug, S Taub, S Zeltyn, D Gilat, V Lipets, Z Feldman, ...
International Journal of Services Operations and Informatics 3 (3-4), 242-257, 2008
152008
Optimizing performance of event detection by sensor data analytics
L Limonad, N Mashkif, SE Wasserkrug, A Zadorojniy, S Zeltyn
US Patent 10,504,036, 2019
112019
Unleashing analytics to reduce costs and improve quality in wastewater treatment
A Zadorojniy, S Wasserkrug, S Zeltyn, V Lipets
INFORMS Journal on Applied Analytics 49 (4), 262-268, 2019
112019
Hybrid method for anomaly classification
L Limonad, N Mashkif, SE Wasserkrug, A Zadorojniy, S Zeltyn
US Patent 10,387,445, 2019
102019
Where and why is my bot failing? A visual analytics approach for investigating failures in Chatbot conversation flows
A Yaeli, S Zeltyn
2021 IEEE Visualization Conference (VIS), 141-145, 2021
92021
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