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  • Search: subject:"approximation"
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Year of publication
Subject
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Theorie 11,830 Theory 11,801 Algorithm 11,295 Algorithmus 11,295 Markov chain 9,179 Markov-Kette 9,176 Mathematische Optimierung 4,420 Mathematical programming 4,416 Scheduling problem 2,931 Scheduling-Verfahren 2,931 Heuristik 2,353 Heuristics 2,352 Stochastischer Prozess 2,065 Stochastic process 2,063 Estimation 1,773 Schätzung 1,768 Prognoseverfahren 1,372 Forecasting model 1,371 Vehicle routing problem 1,280 Tourenplanung 1,279 Monte Carlo simulation 1,223 Monte-Carlo-Simulation 1,216 Bayesian inference 1,201 Bayes-Statistik 1,199 Künstliche Intelligenz 1,193 Artificial intelligence 1,191 Zeitreihenanalyse 1,180 Time series analysis 1,177 Volatility 1,173 Volatilität 1,170 Schätztheorie 1,130 Estimation theory 1,116 Evolutionärer Algorithmus 979 Evolutionary algorithm 977 Durchlaufzeit 827 Lead time 827 Portfolio selection 752 Portfolio-Management 750 Production control 746 Produktionssteuerung 746
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Online availability
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Undetermined 9,177 Free 6,593 CC license 511
Type of publication
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Article 16,258 Book / Working Paper 6,809 Other 10 Journal 3
Type of publication (narrower categories)
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Article in journal 14,338 Aufsatz in Zeitschrift 14,338 Working Paper 2,873 Graue Literatur 2,795 Non-commercial literature 2,795 Arbeitspapier 2,758 Aufsatz im Buch 737 Book section 737 Hochschulschrift 312 Thesis 216 Conference paper 117 Konferenzbeitrag 117 Article 73 Collection of articles of several authors 50 Sammelwerk 50 Collection of articles written by one author 44 Sammlung 44 Aufsatzsammlung 41 Case study 28 Fallstudie 28 Amtsdruckschrift 26 Government document 26 Lehrbuch 26 research-article 24 Forschungsbericht 22 Konferenzschrift 19 Textbook 19 Systematic review 16 Übersichtsarbeit 16 Bibliografie enthalten 8 Bibliography included 8 Handbook 5 Handbuch 5 Glossar enthalten 4 Glossary included 4 Mikroform 4 Elektronischer Datenträger 3 Festschrift 3 Mehrbändiges Werk 3 Multi-volume publication 3
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Language
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English 21,609 Undetermined 1,233 German 181 French 31 Spanish 9 Polish 6 Portuguese 4 Croatian 2 Dutch 2 Danish 1 Italian 1 Lithuanian 1 Romanian 1 Russian 1 Swedish 1 Chinese 1
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Author
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Dijk, Herman K. van 63 Cheng, T. C. E. 56 Elliott, Robert J. 53 Casarin, Roberto 48 Waggoner, Daniel F. 47 Laporte, Gilbert 46 Billio, Monica 44 Siu, Tak Kuen 39 Sola, Martin 37 Spieksma, Frits C. R. 36 Tsionas, Efthymios G. 36 Coelho, Leandro C. 35 Leus, Roel 35 Reffett, Kevin L. 35 Gupta, Rangan 33 Lim, Andrew 33 Lucas, André 33 Piger, Jeremy Max 32 Guidolin, Massimo 31 Iori, Manuel 30 Stachurski, John 30 Zha, Tao 30 Gao, Jiti 29 Hoogerheide, Lennart 29 Li, Lingfei 29 Sethi, Suresh 29 Chauvet, Marcelle 27 Chib, Siddhartha 27 Chu, Chengbin 27 Kohn, Robert 27 Lütkepohl, Helmut 27 Bauwens, Luc 26 Dolgui, Alexandre 26 Gendreau, Michel 26 Kaufmann, Sylvia 26 Kim, Chang-jin 26 Koopman, Siem Jan 26 Yu, Jun 26 Cui, Zhenyu 25 Psaradakis, Zacharias G. 25
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Institution
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National Bureau of Economic Research 70 Volkswirtschaftliche Fakultät, Ludwig-Maximilians-Universität München 32 IGI Global 19 Tilburg University, Center for Economic Research 16 Society for Computational Economics - SCE 14 C.E.P.R. Discussion Papers 12 Ekonomiska forskningsinstitutet <Stockholm> 11 Sonderforschungsbereich Quantifikation und Simulation Ökonomischer Prozesse 11 Springer Fachmedien Wiesbaden 11 Econometrisch Instituut <Rotterdam> 10 Federal Reserve Bank of St. Louis 10 HAL 10 Cowles Foundation for Research in Economics, Yale University 9 EconWPA 9 Department of Econometrics and Business Statistics, Monash Business School 8 Department of Economics, Oxford University 8 Faculteit der Economische Wetenschappen, Erasmus Universiteit Rotterdam 8 Finance Discipline Group, Business School 8 Center for Operations Research and Econometrics (CORE), École des Sciences Économiques de Louvain 7 Centre for Analytical Finance <Århus> 7 Deutsche Forschungsgemeinschaft 7 Econometric Society 7 Erasmus Research Institute of Management (ERIM), ERIM is the joint research institute of the Rotterdam School of Management, Erasmus University and the Erasmus School of Economics (ESE) at Erasmus University Rotterdam. 7 Erasmus Research Institute of Management (ERIM), Erasmus Universiteit Rotterdam 7 European Commission / Joint Research Centre 7 Institut für Wirtschafts- und Sozialstatistik, Universität Dortmund 7 School of Economics, Singapore Management University 7 Université Paris-Dauphine (Paris IX) 7 Erasmus University Rotterdam, Econometric Institute 6 European Central Bank 6 Institut für Schweizerisches Bankwesen <Zürich> 6 Institutt for Økonomi, Universitetet i Bergen 6 Sonderforschungsbereich 649: Ökonomisches Risiko, Wirtschaftswissenschaftliche Fakultät 6 University of Bonn, Germany 6 Centre for Dynamic Macroeconomic Analysis, University of St. Andrews 5 Christian-Albrechts-Universität zu Kiel 5 Department of International and European Economic Studies, Athens University of Economics and Business (AUEB) 5 Institut für Ökonometrie und Operations Research, Rheinische Friedrich-Wilhelms-Universität Bonn 5 School of Economics and Management, University of Aarhus 5 Sonderforschungsbereich 373, Quantifikation und Simulation ökonomischer Prozesse, Wirtschaftswissenschaftliche Fakultät 5
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Published in...
All
European journal of operational research : EJOR 1,297 Computers & operations research : and their applications to problems of world concern ; an international journal 1,075 International journal of production research 810 Operations research letters 374 Mathematics of operations research 285 International journal of production economics 284 Operations research 276 INFORMS journal on computing : JOC 197 Journal of scheduling 179 Transportation research / E : an international journal 177 Journal of econometrics 172 Computational economics 166 Discussion paper / Tinbergen Institute 138 Journal of the Operational Research Society : OR 138 Computers & operations research : an international journal 135 Omega : the international journal of management science 122 Operational research : an international journal 119 Journal of the Operational Research Society 117 Mathematical methods of operations research 117 Management science : journal of the Institute for Operations Research and the Management Sciences 113 Opsearch : journal of the Operational Research Society of India 109 Economics letters 108 International journal of theoretical and applied finance 105 Transportation science : a journal of the Institute for Operations Research and the Management Sciences 104 Journal of economic dynamics & control 102 Insurance / Mathematics & economics 101 Physica A: Statistical Mechanics and its Applications 98 Economic modelling 97 Journal of combinatorial optimization 94 Journal of scheduling : JOS 85 RAIRO / Operations research 85 INFORMS journal on computing : JOC ; charting new directions in operations research and computer science ; a journal of the Institute for Operations Research and the Management Sciences 83 Working paper 80 Journal of business & economic statistics : JBES ; a publication of the American Statistical Association 79 OR spectrum : quantitative approaches in management 79 Energy economics 76 Journal of forecasting 75 Quantitative finance 74 4OR : a quarterly journal of operations research 73 Risks : open access journal 73
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Source
All
ECONIS (ZBW) 21,453 RePEc 1,358 EconStor 189 Other ZBW resources 33 BASE 21 USB Cologne (EcoSocSci) 17 USB Cologne (business full texts) 9
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Showing 181 - 190 of 23,080
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Keyword-level Bayesian online bid optimization for sponsored search advertising
Majima, Kaito; Kawakami, Kosuke; Ishizuka, Kota; … - In: Operations research forum 5 (2024) 2, pp. 1-32
Persistent link: https://www.econbiz.de/10015179784
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Unveiling the impact of machine learning algorithms on the quality of online geocoding services : a case study using COVID-19 data
Kilic, Batuhan; Bayrak, Onur Can; Gülgen, Fatih; … - In: Journal of geographical systems : geographical … 26 (2024) 4, pp. 601-622
Persistent link: https://www.econbiz.de/10015182159
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Sentinel-3 OLCI GI-FAPAR & rectified channels in O10, O11, O12 and O17 bands with uncertainties : algorithm theoretical basis document
Gobron, Nadine (contributor) - European Commission / Joint Research Centre - 2024
Surface reflectances are important for monitoring land surfaces properties state and their changes. Two rectified channels were already operationally delivered in two bands as side products of Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) using the Sentinel 3 Ocean Land Colour...
Persistent link: https://www.econbiz.de/10015321161
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Algorithm for the disaggregation of crop area statistics in the MARS crop yield forecasting system
Cerrani, I. (contributor); Ronchetti, G. (contributor);  … - European Commission / Joint Research Centre - 2024
This report describes the algorithm to disaggregate regional crop area statistics in Europe, at all NUTS and GAUL administrative levels and onto a regular grid of 25 km. This algorithm is necessary to aggregate crop indicators in the MARS Crop Yield Forecasting System (MCYFS) from the original...
Persistent link: https://www.econbiz.de/10015321743
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Dynamic hedging responses of gold and silver to inflation : a Markov regime-switching VAR analysis
Valadkhani, Abbas; O'Mahony, Barry - In: International review of economics & finance : IREF 96 (2024) 3, pp. 1-14
Persistent link: https://www.econbiz.de/10015323715
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A two-stage optimization model for relief logistics and distribution to disaster survivors under two-fold uncertainty
Sahoo, Palash - In: Supply chain analytics 8 (2024), pp. 1-23
Disasters are unforeseen occurrences requiring extensive transport deployment to support and relieve victims. Sometimes, this transportation is not feasible directly from some supply points to some destination points. Due to this tragedy, it is unclear precisely what is available at supply...
Persistent link: https://www.econbiz.de/10015325090
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Evaluating early predictive performance of machine learning approaches for engineering change schedule : a case study using predictive process monitoring techniques
Radišić-Aberger, Ognjen; Burggräf, Peter; Steinberg, … - In: Supply chain analytics 8 (2024), pp. 1-35
By applying machine learning algorithms, predictive business process monitoring (PBPM) techniques provide an opportunity to counteract undesired outcomes of processes. An especially complex variation of business processes is the engineering change (EC) process. Here, failing to adhere to planned...
Persistent link: https://www.econbiz.de/10015325099
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An explainable artificial intelligence model for predictive maintenance and spare parts optimization
Dereci, Ufuk; Tuzkaya, Gülfem - In: Supply chain analytics 8 (2024), pp. 1-9
Maintenance strategies are vital for industrial and manufacturing systems. This study considers a proactive maintenance strategy and emphasizes using analytics and data science. We propose an Explainable Artificial Intelligence (XAI) methodology for predictive maintenance. The proposed method...
Persistent link: https://www.econbiz.de/10015325122
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A reinforcement learning algorithm for option hedging
Giorgi, Federico; Herzel, Stefano; Pigato, Paolo - 2024
Persistent link: https://www.econbiz.de/10015326213
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Does regime-dependent volatility drive dynamism in investor herding?
Jindal, Komal; Bamba, Meera; Aggarwal, Mamta - In: Colombo business journal : international journal of … 15 (2024) 1, pp. 54-79
Persistent link: https://www.econbiz.de/10015210672
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