Zobrazeno 1 - 10 of 15 pro vyhledávání: '"Yishay Spector"'
1
Theory of constraint methodology where the constraint is the business model
Autor: Yishay Spector
Publikováno v: International Journal of Production Research. 49:3387-3394
This paper addresses the issue of business model (BM) management and its relationship to the theory of constraints (TOC). Coman and Ronen (Coman, A. and Ronen,B., 2007. Managing strategic and tactical constraints in the hi-tech industry. Internationa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aaa7bd2fe7456c7af72fe3ba288ae2d4
https://doi.org/10.1080/00207541003801283
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2
The effect of training data set size and the complexity of the separation function on neural network classification capability: The two-group case
Autor: Yishay Spector, Moshe Leshno
Publikováno v: Naval Research Logistics. 44:699-717
Classification among groups is a crucial problem in managerial decision making. Classification techniques are used in: identifying stressed firms, classifying among consumer types, rating of firms’ bonds, etc. Neural networks are recognized as impo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7fd6c2f9222cb9bcd35a65abd330163c
https://doi.org/10.1002/(sici)1520-6750(199712)44:8<699::aid-nav1>3.0.co
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3
A Comment on Rothschild and Stiglitz's 'Increasing Risk: I. A Definition'
Autor: Moshe Leshno, Yishay Spector, Haim Levy
Publikováno v: Journal of Economic Theory. 77:223-228
Rothschild and Stiglitz (R&S) were the first to define and introduce the concept of one asset being more risky than another one. Therefore, their paper is a cornerstone in the theory of risk. Nevertheless, there is an error in a construction of the m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::506bfaf4fd4137f2cee4ecd2a11f971c
https://doi.org/10.1006/jeth.1997.2302
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4
Expenditure patterns and timing of patent protection in a competitive R&D environment
Autor: Dror Zuckerman, Yishay Spector
Publikováno v: Operations Research Letters. 20:237-242
In this paper we consider a stochastic R&D decision model for a single firm operating in a competitive environment. The study focuses on the firm's optimal policy which maximizes the expected discounted net return from the project. The firm's policy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff300d5ed3d8b77d04384399698268f3
https://doi.org/10.1016/s0167-6377(97)00009-6
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5
Multidimensional scaling: An analysis of 1980–1990 computers
Autor: Ran Giladi, Yishay Spector, Adi Raveh
Publikováno v: European Journal of Operational Research. 95:439-450
Computer performance is an important issue for engineering and economic aspects of computer usage, planning, design and research. The Co-plot methodology graphically relates attributes, observations and interrelations between attributes, thus enablin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::82304da00916fb531d0504e863998553
https://doi.org/10.1016/0377-2217(95)00296-0
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6
Stochastic dominance in an ordinal world
Autor: Moshe Ben Horin, Moshe Leshno, Yishay Spector
Publikováno v: European Journal of Operational Research. 93:620-627
Existing stochastic dominance rules apply to variables such as income, wealth and rates of return, all of which are measured on cardinal scales. This study develops and applies stochastic dominance rules for ordinal data. It is shown that the new rul
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0574fb533909064b5df892c80afb2638
https://doi.org/10.1016/0377-2217(95)00118-2
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8
Neural network prediction analysis: The bankruptcy case
Autor: Yishay Spector, Moshe Leshno
Publikováno v: Neurocomputing. 10:125-147
In this paper we evaluate the prediction capability of various neural network models. The models examined in this study differ on the following parameters: data span, learning technique and number of iterations. The neural net prediction capabilities
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c25add59ca592fa6cce89ca0fd36804c
https://doi.org/10.1016/0925-2312(94)00060-3
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9
SQOM-2: The Israeli Air Force's Air Power Multiplier
Autor: Leon Marom, Yishay Spector
Publikováno v: Interfaces. 26:75-84
The major expense in the budget of any air force is its flight squadrons. A modern fighter squadron costs US $2 billion and consumes some US $100 million annually. The total investment in a fighter squadron over 25 years is some US $5 billion, and th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c1b6d690b5bc7e0105f8527f54117910
https://doi.org/10.1287/inte.26.1.75
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10
Evaluating sampling strategy under two criteria
Autor: Yishay Spector, Boaz Ronen
Publikováno v: European Journal of Operational Research. 80:59-67
This paper integrates elements of Information Economics, Quality Control, Portfolio Selection and Decision Theory into an approach to facilitate the selection of an attribute sampling plan for a lot subject to inspection. The optimal selection is bas
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c67eae904a745b140444ebbf9388d40
https://doi.org/10.1016/0377-2217(93)e0177-y
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