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van Dijk, J. C., and D. van der Kooij. "Water Quality 21 research programme for water supplies in The Netherlands." Water Supply 4, no. 5-6 (2004): 181–88. http://dx.doi.org/10.2166/ws.2004.0107.
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The Dutch water companies have commissioned an ambitious 4 year research programme in pursuit of an impeccable drinking water quality, called Quality 21 (Quality for the 21st century). The Dutch approach has always been to safeguard drinking water quality from source to tap by excellent design, operation and research. This drinking water is generally distributed without a disinfectant residual. The Dutch consumers appreciate this concept and have a high confidence in the quality of tap water. The new research programme aims at providing the scientific foundation for future decisions on quality goals and the advantages and limitations of modern water treatment technology, such as membrane filtration and UV/AOP. The goals are to achieve a robust and reliable drinking water infrastructure that will guarantee an impeccable water quality at the tap at all times, also in the future when new threats may emerge. The programme includes studies on water quality goals and total system approach, and experimental research into water treatment, biological stability and (the prevention of) quality deterioration in the distribution network. Important focal points in the research will be the prevention of microbiological problems (including Legionella) in the network and in building installations, the prevention of problems with organic micropollutants such as NDMA, EDCs and pharmaceuticals and the advantages of reducing particles and sediment in the distribution network. The programme will be coordinated by Kiwa Water Research and will be carried out with the water supply companies and in cooperation with universities and other research institutes including the partners of the Global Water Research Coalition.
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van der Wal, Sija J., Rosalie Gorter, Alieke Reijnen, Elbert Geuze, and Eric Vermetten. "Cohort profile: the Prospective Research In Stress-Related Military Operations (PRISMO) study in the Dutch Armed Forces." BMJ Open 9, no. 3 (2019): e026670. http://dx.doi.org/10.1136/bmjopen-2018-026670.
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PurposeThe Prospective Research in Stress-Related Military Operations (PRISMO) study was initiated to gain a better understanding of the long-term impact of military deployment on mental health, and to map the different biological and psychological factors that contribute to the development of stress-related mental health symptoms.ParticipantsThe PRISMO cohort consists of a convenience sample of Dutch military personnel deployed to Afghanistan between 2005 and 2008. Baseline data collection resulted in the recruitment of 1032 military men and women. Combat troops as well as non-combat support troops were recruited to increase the representativeness of the sample to the population as a whole.Findings to dateThe prevalence of various mental health symptoms increases after deployment in PRISMO cohort members, but symptom progression over time appears to be specific for various mental health symptoms. For post-traumatic stress disorder, we found a short-term symptom increase within 6 months after deployment (8.2%), and a long-term symptom increase at 5 years after deployment (12.9%). Several biological vulnerability factors associated with the development of stress-related conditions after deployment were identified, including predeployment glucocorticoid receptor sensitivity and predeployment testosterone level. Thus far, 34 publications have resulted from the cohort.Future plansVarious analyses are planned that will include the prevalence of mental health symptoms at 10 years postdeployment, as well as trajectory analyses that capture the longitudinal development of symptoms. Furthermore, we will use a machine learning approach to develop predictive and network models for several mental health symptoms, incorporating biological, psychological and social factors.
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Claro, Danny, D. Zylbersztajn, and S. (Onno) Omta. "How to manage a long-term buyer-supplier relationship successfully? The impact of network information on long-term buyer-supplier relationships in the Dutch potted plant and flower industry." Journal on Chain and Network Science 4, no. 1 (2004): 7–24. http://dx.doi.org/10.3920/jcns2004.x038.
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Recently, scholars have suggested that to understand fully the nature of a dyadic relationship, greater attention must be directed to the network context. In this study we drew on emerging perspectives on inter-firm governance and networks to develop a theoretical framework to understand the successful governance of long-term buyer-supplier relationships. In order to test the research framework, we conducted a survey among 174 merchant distributors (buyers) and 67 growers (suppliers) in the Dutch potted plant and flower industry. In the estimated models, we found several positive impacts of the information obtained from the business network on the dimensions of relationship management, and ultimately performance, both in terms of operations as well as finance. The results of this study support our rationale that the business network compensates for the information asymmetry assumed in transaction cost economics. Although there are several similarities in our findings, buyers and suppliers use clearly different information strategies to achieve success. While the most successful distributors tend to take the 'hard', tangible approach using transaction-specific investments and fostering joint action, the successful growers take the 'soft', social approach by putting emphasis on norms of flexibility in the relationship. Managers may use these findings to check the adequacy of their business networks and their approach to relationship management.
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Tulp, Eduard, and Laurent Siklóssy. "Searching time-table networks." Artificial Intelligence for Engineering Design, Analysis and Manufacturing 5, no. 3 (1991): 189–98. http://dx.doi.org/10.1017/s0890060400002675.
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In this paper we present an application of AI search techniques to a class of problems that arise in transportation systems analysis. Rather than adapting the time-space network formulation typically used in Operations Research, we propose a discrete dynamic network to represent a scheduled service network. In a discrete dynamic network, there are finite, discrete, predetermined possibilities for moving from one vertex to another. Visiting a vertex has a cost (possibly zero), which may depend both on how the vertex was reached and how it will be left.We describe the DYNET search algorithm for finding optimal paths in discrete dynamic networks. DYNET has been implemented in a working system (TRAINS) which searches the entire Dutch railway services network. An optimal path in a discrete dynamic network makes us arrive at our destination as early as possible (given our planned earliest departure time), and given this earliest arrival time (eat), will allow us to leave as late as possible, thereby guaranteeing a shortest path relative to the eat. DYNET first conducts a forward search to find the earliest possible arrival time, then a backward search which uses results of the forward search, to find the latest departure to arrive at that eat. Various AI techniques (symmetries, abstraction spaces, distance estimates, etc.) improve the performance of DYNET.
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Geubbels, Eveline L. P. E., A. Joke Mintjes-de Groot, Jan Maarten J. van den Berg, and Annette S. de Boer. "An Operating Surveillance System of Surgical-Site Infections in The Netherlands: Results of the PREZIES National Surveillance Network." Infection Control & Hospital Epidemiology 21, no. 5 (2000): 311–18. http://dx.doi.org/10.1086/501762.
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AbstractObjectives:To describe the results of the first year of the Dutch national surveillance of surgical-site infections (SSIs) and risk factors, which aims to implement a standardized surveillance system in a network of Dutch hospitals, to collect comparable data on SSIs to serve as a reference, and to provide a basic infrastructure for further intervention research.Design:Prospective multicenter cohort study.Setting:Acute-care hospitals in The Netherlands from June 1996 to May 1997.Results:38 hospitals participated, with a slight overrepresentation of larger hospitals. Following a total of 18,063 operations, 562 SSIs occurred, of which 198 were deep. Multivariate analysis of pooled procedures shows that age, preoperative length of stay, wound contamination class, anesthesia score, and duration of surgery were independent risk factors for SSI. When analyzed by procedure, the relative importance of these risk factors changed. Bacteriological documentation was available for 56% of the SSIs; 35% of all isolates were Staphylococcus aureus. Multiple regression analysis computed the mean extra postoperative length of stay associated with SSI to be 8.2 days.Conclusion:The first year of national surveillance has shown that it is feasible to collect comparable data on SSI, which are already used for education, policy, and decision making in the network of participating hospitals. This gives room to effectuate the next aim, namely to use the network as an infrastructure for intervention research. Multivariate analysis shows that feedback on a procedure-specific level is important.
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Mulder, Machiel. "Financeability of Investments and Allocation of Costs: An Assessment of the Incentive Regulation of the Dutch High-Voltage Network." Competition and Regulation in Network Industries 13, no. 2 (2012): 160–86. http://dx.doi.org/10.1177/178359171201300203.
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Peereboom, Marianne, and Maggy Wishaupt. "The ‘Nachtwacht’ is not a restaurant: the DutchESS guide to quality information on the Internet." Art Libraries Journal 23, no. 2 (1998): 12–14. http://dx.doi.org/10.1017/s0307472200010907.
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DutchESS (Dutch Electronic Subject Service, formerly NBW) is an Internet guide for the academic community produced by the Koninklijke Bibliotheek (the national library of the Netherlands) in co-operation with a number of Dutch academic libraries. The resources are selected by subject specialists who evaluate Internet information according to academic quality standards and make selections relevant to their own specific user groups. DutchESS has (as yet) no geographical restrictions, although it aims to cover Dutch resources as completely as possible. The service includes all disciplines, but the content depends on the contributions of individual subject specialists as well as on the bias of the participating libraries. A large number of art sites can now be found on the Internet, but many of them are superficial, lack substantial informative content, and/or are not relevant for academic research. Only a relatively small number meet the quality criteria of DutchESS and have been added to the database so far. Future developments of DutchESS may include participation in a European network of subject-based Information Gateways.
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Prckopa, Andras. "A review of: “Ten years LNMB, Ph.D. research and graduate courses of the Dutch Network of Operations Research” Edited by W.K. Klein Haneveld, O.J. Vrieze and L.M.C. Kallenberg Centrum voor Wiskunde en Informatica CW/TRACT 122." IIE Transactions 30, no. 9 (1998): 858. http://dx.doi.org/10.1080/07408179808966534.
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Verbong, Geert, Frank W. Geels, and Rob Raven. "Multi-niche analysis of dynamics and policies in Dutch renewable energy innovation journeys (1970–2006): hype-cycles, closed networks and technology-focused learning." Technology Analysis & Strategic Management 20, no. 5 (2008): 555–73. http://dx.doi.org/10.1080/09537320802292719.
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Abdelwahed, Ayman, Pieter L. van den Berg, Tobias Brandt, Wolfgang Ketter, and Judith Mulder. "A Boost for Urban Sustainability: Optimizing Electric Transit Bus Networks in Rotterdam." INFORMS Journal on Applied Analytics 51, no. 5 (2021): 391–407. http://dx.doi.org/10.1287/inte.2021.1092.
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In 2016, the Dutch government, in pursuit of the UN’s sustainable development goals, set a target that all its diesel transit bus networks should be fully electrified between 2025 and 2030. A research team from Rotterdam School of Management has since worked in close collaboration with Rotterdamse Elektrische Tram, the public transport operator in the city of Rotterdam, to accomplish this complex transition. This paper presents essential lessons learned and key practical implications derived from the project. As part of the transition process, we developed a discrete-event simulation model that can simulate the network using different settings and under uncertainty. We also formulated a mixed-integer linear programming problem to optimize the charging schedule. To mitigate the critical impact of uncertainty regarding traffic delays and energy consumption on the electrified transit bus network operation, we developed a real-time decision support system that adjusts and reoptimizes the charging schedule during the day according to the realizations of this uncertainty. We use this system to achieve better coordination between the charging schedule of the electric buses and electricity generation from renewable energy sources with the latter involving high levels of uncertainty. Our study shows the benefits of real-time optimization compared with off-line planning and other greedy strategies. We also show that even highly conservative off-line planning might not be sufficient to maintain reliability levels under extreme operational uncertainty conditions. Additionally, our results and insights have substantially contributed to the success of the first phase of the project, which involved electrifying seven essential bus lines in the city, in realizing a robust and reliable operational plan. Finally, our study shows the potential substantial positive impact of installing renewable energy generators and coordinating the electric buses’ charging schedule with their output power profile. Based on our recommendations, RET developed a real-time monitoring system and is working on incorporating our charging schedule optimizer into its planning process.
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Casparie, M., A. T. M. G. Tiebosch, G. Burger, et al. "Pathology Databanking and Biobanking in The Netherlands, a Central Role for PALGA, the Nationwide Histopathology and Cytopathology Data Network and Archive." Analytical Cellular Pathology 29, no. 1 (2007): 19–24. http://dx.doi.org/10.1155/2007/971816.
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Since 1991, a nationwide histopathology and cytopathology network and archive is in operation in The Netherlands under the name PALGA, encompassing all sixty-four pathology laboratories in The Netherlands. The overall system comprises decentralized systems at the participating laboratories, a central databank, and a dedicated communication and information exchange tool. Excerpts of all histopathology and cytopathology reports are generated automatically at the participating laboratories and transferred to the central databank. Both the decentralized systems and the central system perform checks on the quality and completeness of excerpts. Currently, about 42 million records on almost 10 million patients are stored in the central databank. Each excerpt contains patient identifiers, including demographic data and the so-called PALGA diagnosis. The latter is structured along five classification axes: topography, morphology, function, procedure, and diseases. All data transfer and communication occurs electronically with encryption of patient and laboratory identifiers. All excerpts are continuously available to all participating pathology laboratories, thus contributing to the quality of daily patient care. In addition, external parties may obtain permission to use data from the PALGA system, either on an ongoing basis or on the basis of a specific permission. Annually, 40 to 60 applications for permission to use PALGA data are submitted. Among external users are the Dutch cancer registry, population-based screening programs for cancer of the uterine cervix and breast cancer in The Netherlands, and individual investigators addressing a range of research questions. Many scientific papers and theses incorporating PALGA data have been published already. In conclusion, the PALGA system is a unique system that requires a minimal effort on the part of the participating laboratories, while providing them a powerful tool in their daily practices.
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Kolpakov, Maksim Yur'evich. "The roads of Pskov borderlands of the XVII centuries: from Pskov to Narva." Исторический журнал: научные исследования, no. 3 (March 2021): 58–77. http://dx.doi.org/10.7256/2454-0609.2021.3.35770.
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This article traces the history of the development and operation of trunk road from Pskov through Gdov, to Ivangorod and Narva, which was actively used during the pre-Petrine era. This route can be viewed as one of the typical examples of the Pskov border road. Written and visual sources of the XVII century allow reconstructing the isolated sections of the road, estimating the quality of road surface and infrastructure, and characterizing everyday activities of the travelers. The texts of the report compiled by the Dutch envoy Albert Joachim (1616), schedule of routs from Pskov of 1656, “Notes about Russia” of Erich Palmquist (1674), and “Diary Notes” of the General von Allart (1700) served as the sources for this research. The travel from Pskov to Narva took traditional (long) route and two short roads. Travelers faced multiple difficulties common to the borderland roads – poor condition of road surface, lack of accommodation, absence of road signs, rough weather, threat to health and property. The maximum average travel speed on the known road was 61 verst (65.07 km) per day. The typical average speed of a summer trip was 30 verst (32 km) per day. From December to March, most commodities were transported between the cities by sledge. The road network of the Pskov borderlands was more adapted for winter trips.
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Rauwerda, Kirsten, and Frank Jan De Graaf. "Heuristics in financial decision-making: the selection of SME financing by advisers in an increasingly diverse market." Management Decision 59, no. 7 (2021): 1728–49. http://dx.doi.org/10.1108/md-09-2019-1269.
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PurposeIn order to better understand how heuristics are used in practice, the authors explore what type of heuristics is used in the managerial domain of financial advisors to small and medium-sized enterprises (SMEs) and what influences the shaping of these heuristics. In doing so, the authors detect possible fast-and-frugal heuristics in day-to-day decision-making of independent financial advisers who help owners of SMEs to acquire capital (e.g. loans, factoring, leasing and equity).Design/methodology/approachThe authors inductively assessed the work of financial advisers of SMEs. Based on group discussions, the authors drew up a semi-structured interview-protocol with descriptive questions about how financial advisers come to a deal for their clients. The interviews of 19 professionals were analysed by relating them to the theory of fast-and-frugal heuristics.FindingsWithin their decision-making, advisers estimate the likelihood of acceptance by a few financial providers they know well in their personal network with a strong bias towards traditional banking products, although there are a large number of alternatives on the Dutch market. “Less is more” seems to be a relevant principle when defined as satisficing. Heuristics help advisers to deal with behavioural and economic limitations. Also, the authors have found that client interaction, previous working experience and the company the adviser is working for influences the shaping of the simple rules the adviser is using.Research limitations/implicationsThe study shows how difficult it is to understand the ecological rationality of a certain group of professionals and to understand the “less is more” principle. Financial advisers to SMEs use cognitive shortcuts and simple rules to advise SME-owners, based on previous experiences, but it is difficult to determine whether that leads to the same or even better solutions for them and their clients than using probability theory and financial optimisation models. Within heuristics, satisficing seems to be a dominant mechanism. Here, heuristics help advisers in recognising possibilities by searching for similarities between a current financing case and previous experiences. The data suggests that if “less is more” is defined as satisficing for one or more stakeholders involved, the principle dominates the decision making of financial advisers of SME's.Practical implicationsThe authors suggest the relevance of a behavioural approach to finance by assessing the day-to-day decisions of financial advisers of SMEs. Also, the authors suggest that financial advisers are guided by previous experiences, and they do not fully assess a wide range of options in their work but need shortcuts to fulfil the needs of their clients.Originality/valueThe study comes close to day-to-day decision-making in finance by assessing how professionals make decisions. The authors try to understand types of heuristics in relation with “ecological rationality” and the less is more principle. The authors assess financial advisers of SME-companies, a group that has gotten little research attention until now. The influence of client interaction and of the company the adviser is working for is remarkable in the shaping of the advisers' simple rules.
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Weber, Elske H., Ivo T. F. Timmermans, and Martin Offringa. "The Dutch Medicines for Children Research Network." Pediatric Drugs 11, no. 3 (2009): 161–63. http://dx.doi.org/10.2165/00148581-200911030-00001.
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Boersma, F. Kees. "The Organization of Industrial Research as a Network Activity: Agricultural Research at Philips in the 1930s." Business History Review 78, no. 2 (2004): 255–72. http://dx.doi.org/10.2307/25096867.
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Business historians have shown the importance of industrial research in the process of innovation. Most have focused on the industrial research departments themselves. Less attention has been paid to the position of these departments within research networks outside the firm. This article explores the story of networking at the Dutch company Philips & Co. during the interwar period. Gilles Hoist, director of Philips's Research Department at the time, became involved in an agricultural research network that comprised growers, university scientists, and the Dutch government. These networks were essential for Philips's success and provided an opportunity for the company's researchers to keep in touch with scientific circles.
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Carare, Octavian, and Michael Rothkopf. "Slow Dutch Auctions." Management Science 51, no. 3 (2005): 365–73. http://dx.doi.org/10.1287/mnsc.1040.0328.
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RATHMELL, ANDREW. "Controlling Computer Network Operations." Studies in Conflict & Terrorism 26, no. 3 (2003): 215–32. http://dx.doi.org/10.1080/10576100390211437.
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Yang, Fan, Jun Liu, and Bingbing Lu. "Research on Distribution Network Reconfiguration Method Considering Switching Operations." IOP Conference Series: Materials Science and Engineering 366 (June 2018): 012064. http://dx.doi.org/10.1088/1757-899x/366/1/012064.
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Pilkington, Alan, and Jack R. Meredith. "The diffusion network of research knowledge in operations management." International Journal of Operations & Production Management 38, no. 2 (2018): 333–49. http://dx.doi.org/10.1108/ijopm-08-2016-0440.
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Purpose The purpose of this paper is to examine how the research knowledge in OM has been obtained and distributed since the first journals in OM began publication in 1980, changes in the interests of OM over the decades and where they are heading in the future; and to explore the changing roles of individual journals in the development of OM. Design/methodology/approach A two-stage bibliometric study was employed, first using citation analysis to examine the changing research interests in OM through an analysis of the OM journals. Then the top journals of most importance to OM were analyzed to determine the role that each one played in the knowledge distribution network and how that changed over the decades. Findings OM’s journal base consists of 7 research knowledge sources, 12 transmitters linking different journal groups, and 11 sinks with limited input. Research attention changed from practice, engineering, and OR to general management, strategy, and production management in the 2000s, with strategy, organizational issues, and logistics surfacing in the 2010s. OM features increasingly academic research with less interest in practice. OM journals’ network importance has increased substantially, with JOM now a bridge between the quantitative and management journals. Practical implications Both researchers and managers gain in understanding the history and identifying the future direction of OM, as well as which journals will have the most relevant papers to their interests. Originality/value This research identifies the history of the OM field in terms of its constituents and where it is going in the future. This history is related to the role OM plays among the knowledge network of top journals and presents a novel way of classifying and labeling journals based on their contribution.
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Drexel, Sebastian, Susanne Zimmermann-Janschitz, and Robert J. Koester. "Network analysis for search areas in WiSAR operations." International Journal of Emergency Services 7, no. 3 (2018): 192–202. http://dx.doi.org/10.1108/ijes-02-2017-0005.
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Purpose A search and rescue incident is ultimately all about the location of the missing person; hence, geotechnical tools are critical in providing assistance to search planners. One critical role of Geographic Information Systems (GISs) is to define the boundaries that define the search area. The literature mostly focuses on ring- and area-based methods but lacks a linear/network approach. The purpose of this paper is to present a novel network approach that will benefit search planners by saving time, requires less data layers and provides better results. Design/methodology/approach The paper compares two existing models (Ring Model, Travel Time Cost Surface Model (TTCSM)) against a new network model (Travel Time Network Model) by using a case study from a mountainous area in Austria. Newest data from the International Search and Rescue Incident Database are used for all three models. Advantages and disadvantages of each model are evaluated. Findings Network analyses offer a fruitful alternative to the Ring Model and the TTCSM for estimating search areas, especially for regions with comprehensive trail/road networks. Furthermore, only few basic data are needed for quick calculation. Practical implications The paper supports GIS network analyses for wildland search and rescue operations to raise the survival chances of missing persons due to optimizing search area estimation. Originality/value The paper demonstrates the value of the novel network approach, which requires fewer GIS layers and less time to generate a solution. Furthermore, the paper provides a comparison between all three potential models.
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Manniën, Judith, Jan C. Wille, Ruud L. M. M. Snoeren, and Susan van den Hof. "Impact of Postdischarge Surveillance on Surgical Site Infection Rates for Several Surgical Procedures Results From the Nosocomial Surveillance Network in The Netherlands." Infection Control & Hospital Epidemiology 27, no. 8 (2006): 809–16. http://dx.doi.org/10.1017/s0195941700045112.
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Objective.To compare the number of surgical site infections (SSIs) registered after hospital discharge with respect to various surgical procedures and to identify the procedures for which postdischarge surveillance (PDS) is most important.Design.Prospective SSI surveillance with voluntary PDS. Recommended methods for PDS in the Dutch national nosocomial surveillance network are addition of a special registration card to the outpatient medical record, on which the surgeon notes clinical symptoms and whether a patient developed an SSI according to the definitions; an alternative method is examination of the outpatient medical record.Setting.Hospitals participating in the Dutch national nosocomial surveillance network between 1996 and 2004.Results.We collected data on 131,798 surgical procedures performed in 64 of the 98 Dutch hospitals. PDS was performed according to one of the recommended methods for 31,134 operations (24%) and according to another active method for 32,589 operations (25%), and passive PDS was performed for 68,075 operations (52%). Relatively more SSIs were recorded after discharge for cases in which PDS was performed according to a recommended method (43%), compared with cases in which another active PDS method was used (30%) and cases in which passive PDS was used (25%). The highest rate of SSI after discharge was found for appendectomy (79% of operations), followed by knee prosthesis surgery (64%), mastectomy (61%), femoropopliteal or femorotibial bypass (53%), and abdominal hysterectomy (53%).Conclusions.For certain surgical procedures, most SSIs develop after discharge. SSI rates will be underestimated if no PDS is performed. We believe we have found a feasible and sensitive method for PDS that, if patients routinely return to the hospital for a postdischarge follow-up visit, might be suitable for use internationally.
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Manniën, Judith, Jan C. Wille, Ruud L. M. M. Snoeren, and Susan van den Hof. "Impact of Postdischarge Surveillance on Surgical Site Infection Rates for Several Surgical Procedures Results From the Nosocomial Surveillance Network in The Netherlands." Infection Control & Hospital Epidemiology 27, no. 08 (2006): 809–16. http://dx.doi.org/10.1086/506403.
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Objective. To compare the number of surgical site infections (SSIs) registered after hospital discharge with respect to various surgical procedures and to identify the procedures for which postdischarge surveillance (PDS) is most important. Design. Prospective SSI surveillance with voluntary PDS. Recommended methods for PDS in the Dutch national nosocomial surveillance network are addition of a special registration card to the outpatient medical record, on which the surgeon notes clinical symptoms and whether a patient developed an SSI according to the definitions; an alternative method is examination of the outpatient medical record. Setting. Hospitals participating in the Dutch national nosocomial surveillance network between 1996 and 2004. Results. We collected data on 131,798 surgical procedures performed in 64 of the 98 Dutch hospitals. PDS was performed according to one of the recommended methods for 31,134 operations (24%) and according to another active method for 32,589 operations (25%), and passive PDS was performed for 68,075 operations (52%). Relatively more SSIs were recorded after discharge for cases in which PDS was performed according to a recommended method (43%), compared with cases in which another active PDS method was used (30%) and cases in which passive PDS was used (25%). The highest rate of SSI after discharge was found for appendectomy (79% of operations), followed by knee prosthesis surgery (64%), mastectomy (61%), femoropopliteal or femorotibial bypass (53%), and abdominal hysterectomy (53%). Conclusions. For certain surgical procedures, most SSIs develop after discharge. SSI rates will be underestimated if no PDS is performed. We believe we have found a feasible and sensitive method for PDS that, if patients routinely return to the hospital for a postdischarge follow-up visit, might be suitable for use internationally.
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Kembro, Joakim Hans, Veronica Danielsson, and Granit Smajli. "Network video technology." International Journal of Physical Distribution & Logistics Management 47, no. 7 (2017): 623–45. http://dx.doi.org/10.1108/ijpdlm-02-2017-0112.
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Purpose The purpose of this paper is to investigate how modern network video technology could be used to improve different warehouse types and operations and how barriers may prevent its implementation. Design/methodology/approach An exploratory multiple-case study with nine case companies was conducted, including on-site visits, interviews, questionnaires and a workshop. Findings The authors identified 12 video applications that could improve warehouse operations by making them safer, faster, more transparent and more reliable than they are at present. The authors found that video applications complemented existing information technology and offered a new dimension that provided the real-time analysis of different activities in warehouse operations. The main barriers to implementing video technology included uncertain return on investment, staff integrity, union restrictions and integration with other systems. Research limitations/implications The study contributes to the literature by exploring how information technology could be used to improve warehouse operations and by developing a classification matrix that outlines the video applications that suit the warehouse type and operation. Building on the contingency theory, the authors also described a conceptual framework for guiding future relevant research on warehousing. Practical implications Video technology provides an opportunity to improve efficiency and cut costs in warehouse operations, which could contribute to increasing the competitiveness of the company and the supply chain. However, several barriers must be overcome to enable its implementation. Furthermore, competing technologies, such as augmented reality and the internet of things, are being developed in parallel. Social implications The identified video applications could help to increase safety, sustainability and traceability in warehouse operations and, potentially, across the entire supply chain. Originality/value This research is the first to explore the potential of introducing video applications to increase the efficiency and effectiveness of various warehouse types and operations.
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Bogetoft, Peter, Rolf Fare, Shawna Grosskopf, Kathy Hayes, and Lori Taylor. "DYNAMIC NETWORK DEA : AN ILLUSTRATION(Operations Research for Performance Evaluation)." Journal of the Operations Research Society of Japan 52, no. 2 (2009): 147–62. http://dx.doi.org/10.15807/jorsj.52.147.
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Kondraske, G. V., R. A. Volz, D. H. Johnson, D. Tesar, J. C. Trinkle, and C. R. Price. "Network-based infrastructure for distributed remote operations and robotics research." IEEE Transactions on Robotics and Automation 9, no. 5 (1993): 702–4. http://dx.doi.org/10.1109/70.258062.
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Wang, Yu Mei, and Qiang Li. "The Research on the Teaching Model of Operations Research." Advanced Materials Research 860-863 (December 2013): 2991–94. http://dx.doi.org/10.4028/www.scientific.net/amr.860-863.2991.
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Operations research courses teaching process often prone teaching purposes is not clear enough, is not quite appropriate choice of teaching content, teaching methods are not flexible enough, and less use of the computer and the network means, not suited with modern management. Departure from operations research teaching characteristics for students the logistics thinking skills, practical application ability and practical ability to cultivate and improve the use of Case Method, interesting teaching methods, computer "partner" pedagogy of these three kinds of teaching methods and classroom questions Lesson assignments, to adapt arrangements quiz three teaching control means. Will overcome the problems and shortcomings of operations research teaching process, for management class operations research teaching reform ideas..
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Sun, Lijun, and Iyad Rahwan. "Coauthorship network in transportation research." Transportation Research Part A: Policy and Practice 100 (June 2017): 135–51. http://dx.doi.org/10.1016/j.tra.2017.04.011.
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Vieira, Bruno, Derya Demirtas, Jeroen B. van de Kamer, Erwin W. Hans, Willem Jongste, and Wim van Harten. "Radiotherapy treatment scheduling: Implementing operations research into clinical practice." PLOS ONE 16, no. 2 (2021): e0247428. http://dx.doi.org/10.1371/journal.pone.0247428.
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Background Every week, radiotherapy centers face the complex task of scheduling hundreds of treatment sessions amongst the available linear accelerators. With the increase in cancer patient numbers, manually creating a feasible and efficient schedule has shown to be a difficult, time-consuming task. Although operations research models have been increasingly reported upon to optimize patient care logistics, there is almost no scientific evidence of implementation in practice. Methods A mathematical operations research model was adapted to generate radiotherapy treatment schedules in two Dutch centers. The model was iteratively adjusted to fulfill the technical and medical constraints of each center until a valid model was attained. Patient data was collected for the planning horizon of one week, and the feasibility of the obtained schedules was verified by the staff of each center. The resulting optimized solutions are compared with the ones manually developed in practice. Results The weekly schedule was improved in both centers by decreasing the average standard deviation between sessions’ starting times from 103.0 to 50.4 minutes (51%) in one center, and the number of gaps in the schedule from 18 to 5 (72%) in the other. The number of patients requiring linac switching between sessions has also decreased from 71 to 0 patients in one center, and from 43 to 2 in the other. The automated process required 5 minutes and 1.5 hours of computation time to find an optimal weekly patient schedule, respectively, as opposed to approximately 1.5 days when performed manually for both centers. Conclusions The practical application of a theoretical operations research model for radiotherapy treatment scheduling has provided radiotherapy planners a feasible, high-quality schedule in an automated way. Iterative model adaptations performed in small steps, early engagement of stakeholders, and constant communication proved to facilitate the implementation of operations research models into clinical practice.
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Nickel, Stefan, and Francisco Saldanha-da-Gama. "Logistics network design." OR Spectrum 31, no. 3 (2009): 461–63. http://dx.doi.org/10.1007/s00291-009-0165-8.
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Şen, Alper, Deepak Bhatia, and Koray Doğan. "Applied Materials Uses Operations Research to Design Its Service and Parts Network." Interfaces 40, no. 4 (2010): 253–66. http://dx.doi.org/10.1287/inte.1100.0493.
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Wang, Tong Lin, Hui Qun Zhao, and Hai Gang Yang. "Research of Reader Network Access Management in IOT." Advanced Materials Research 760-762 (September 2013): 1095–99. http://dx.doi.org/10.4028/www.scientific.net/amr.760-762.1095.
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For the large number of applications in the real environment of reader of the central control and more practical decentralized control approach to management, analysis and point out their inadequacies, A network structure, which provides a good management and control of the reader and meets the demand of its application in the real world, is proposed and its demonstration system is accomplished. On the basis of central control, the structure can conduct distributed control and complete different operations wanted. Furthermore, it has higher reliability and flexibility , is more easily maintained and more open and has higher coordination.
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Stevens, Johan, Janjaap Semeijn, and Cees Johannes Gelderman. "Saving lives with fewer discussions - coordination between military and non-military organisations during disaster relief operations." Central European Review of Economics and Management 3, no. 2 (2019): 109. http://dx.doi.org/10.29015/cerem.738.
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Purpose: This study focusses on the coordination required between military and non-military organisations during humanitarian disasters. Design / Research methods: An in-depth case study was conducted of the disaster relief operation after hurricane Matthew on Haiti in October 2016. We investigated the support of the Dutch military organization and its coordination with the non-military relief organizations. We examined coordination issues at operational, tactical, and strategic levels. Findings: The study shows that no coordination problems occurred at operational level. At the tactical level, cultural differences between military and non-military organizations resulted in coordination problems and deviant perspectives on urgency. At the strategic level, there was a disagreement between the Dutch Ministry of Foreign Affairs and the Dutch Ministry of Defence regarding the Oslo Guidelines. A minority agreed that the guidelines actually apply to military organizations during disaster relief operations. Practical implications: The coordination between the military organization and the non-military relief organization during disaster relief operations can be improved by promoting common and mutual respect and defining a clear tasks and role fulfilments. A first step to improve the coordination is to get familiarity and clarity on the Oslo Guidelines. Another step for improvement is for the military organization to accept that it has no leading but an assistance role during disaster relief operations. Research limitations/implications: A single case study limits the external validity of the results, although useful insights were gained. Future research could address the role of the Oslo Guidelines during disaster relief operations. Are these guidelines still valid, should they be updated, and are the sufficiently known by all relief organizations, including the military? Originality/value of the article: The world is faced with an increasing occurrence of disasters affecting human lives. More lives could be saved when military and non-military organizations would work together more effectively. This is one of the first studies to explore the terms of engagement at the start of relief operations.
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Cherchye, L., and P. Vanden Abeele. "On research efficiency: A micro-analysis of Dutch university research in Economics and Business Management." Research Policy 34, no. 4 (2005): 495–516. http://dx.doi.org/10.1016/j.respol.2005.03.005.
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Nair, Suresh K., and David C. Novak. "A traffic shaping model for optimizing network operations." European Journal of Operational Research 180, no. 3 (2007): 1358–80. http://dx.doi.org/10.1016/j.ejor.2006.04.036.
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Veuger, Jan. "Dutch blockchain, real estate and land registration." Journal of Property, Planning and Environmental Law 12, no. 2 (2020): 93–108. http://dx.doi.org/10.1108/jppel-11-2019-0053.
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Purpose A first exploration of the impact of blockchain on real estate in the Netherlands took place in 2017. In the follow-up, several blockchain and real estate studies have appeared with research on real estate and blockchain worldwide. In view of the previous research, the question remained as to what is now happening worldwide in the field of blockchain and real estate. This has resulted in the start-up of the Foundation for International Blockchain and Real Estate Expertise (FIBREE) network. This network has led to the launch of two investigations: Industry Report Blockchain Real Estate 2019 on exploration of international products and a database exploring blockchain and real estate on exploring (inter)national research. This paper aims to provides an overview and analysis of all relevant scientific publications – targeted on the Netherlands – and does so within a context of a first small international exploration of international research, experts and products – in particular land registration. Design/methodology/approach I have asked everybody at the Regionals Chairs of FIBREE to collect data with info about which blockchain and real estate product-suppliers or initiatives do you see, which research-output on blockchain and real estate is there and who are the experts with which specific expertise? This paper provides an overview and analysis of all relevant scientific publications – targeted on the Netherlands – and does so within a context of a first small international exploration of international research, experts and products – in particular land registration. Findings This paper provides an overview and analysis of all relevant scientific publications – targeted on the Netherlands – and does so within a context of a first small international exploration of international research, experts and products – in particular land registration. Research limitations/implications A question that remains is to continue to look at existing markets or too disruptive innovation newcomers in the blockchain market. The question is whether blockchain is only a technological disruption or a real game changer and whether the entire value chain of the market is going to embrace this. Confidence in blockchain is therefore a precondition for guiding that disruption where (new) companies use new technology to offer cheaper and superior alternatives in the market. But the big question is how quickly blockchain will develop as well as all its applications. Practical/social implications A question that remains is to continue to look at existing markets or too disruptive innovation newcomers in the blockchain market. The question is whether blockchain is only a technological disruption or a real game changer and whether the entire value chain of the market is going to embrace this. Confidence in blockchain is therefore a precondition for guiding that disruption where (new) companies use new technologies to offer cheaper and superior alternatives in the market. But the big question is how quickly blockchain will develop as well as all its applications. Originality/value A first exploration of the influence of blockchain on real estate in the Netherlands took place in 2017. In the follow-up, several blockchain and real estate studies appear with research about real estate and blockchain worldwide.
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Xu, Yan Wen, and Feng Dong. "Research on Multi-Core Network Equipment Virus Defense System." Applied Mechanics and Materials 738-739 (March 2015): 1197–200. http://dx.doi.org/10.4028/www.scientific.net/amm.738-739.1197.
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With the arrival of the wave of information technology, the business activities of a variety of business systems via the network to complete. But the virus to exploit system vulnerabilities to sneak into the enterprise information network server, the enterprise network into a leak and suffered the double threat of external hackers. Leverage existing security infrastructure, enterprise networks, statistical analysis of all possible virus invasion point, combined with a good virus defense technology layers protection system vulnerabilities, the formation of a whole network antivirus, coordinated operations, a unified management modernization virus defense systems.
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Martens, Karel. "Promoting bike-and-ride: The Dutch experience." Transportation Research Part A: Policy and Practice 41, no. 4 (2007): 326–38. http://dx.doi.org/10.1016/j.tra.2006.09.010.
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Coletti, Giulianella, Davide Petturiti, and Barbara Vantaggi. "Dutch book rationality conditions for conditional preferences under ambiguity." Annals of Operations Research 279, no. 1-2 (2019): 115–50. http://dx.doi.org/10.1007/s10479-019-03299-8.
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Pashaei, Sebastian, and Jan Olhager. "The impact of product architecture on global operations network design." Journal of Manufacturing Technology Management 28, no. 3 (2017): 353–70. http://dx.doi.org/10.1108/jmtm-11-2015-0108.
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Purpose The purpose of this paper is to explore how integral and modular product architectures influence the design properties of the global operations network. Design/methodology/approach The authors perform a multiple-case study of three global manufacturing companies, using interviews, seminars and structured questionnaires to identify ideal design properties. Findings The authors find that the choice of integral vs modular product architecture lead to significant differences in the preferred design properties of global operations networks concerning number of key technologies in-house, number of capable plants, focus at assembly plants, distance between assembly plant and market, and number of key supplier sites. Two of these were identified through this research, i.e. the number of capable plants and number of key supplier sites. The authors make a distinction between component and assembly plants, which adds detail to the understanding of the impact of product architecture on global operations. In addition, they develop five propositions that can be tested in further survey research. Research limitations/implications This study is restricted to three large manufacturing companies with global operations. However, the authors investigated both integral and modular products at these three companies and their associated global operations network. Still, further case or survey research involving a broader set of companies is warranted. Practical implications The key aspects for integral products are to have many key technologies in-house, concentration of production at a few capable plants, and economies-of-scale at assembly plants, while long distances between assembly plants and markets as well as few key supplier sites are acceptable. For modular products, the key aspects are many capable plants, economies-of-scope at assembly plants, short distance between assembly plants and markets, and many key supplier sites, while key technologies do not necessarily have to reside in-house – these can be accessed via key suppliers. Originality/value This paper is, to the authors’ knowledge, the first study on the explicit impact of product architecture on global operations networks, especially considering the internal manufacturing network.
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Kim, Dong-Kyun, Myung-Sun Lee, Ok-Hwan Byeon, and Seung-Hae Kim. "Distributed and Virtual Network Operations and Contents Management Based on Hybrid Research Networks." Journal of the Korea Contents Association 12, no. 10 (2012): 11–21. http://dx.doi.org/10.5392/jkca.2012.12.10.011.
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Çelik, Melih. "Network restoration and recovery in humanitarian operations: Framework, literature review, and research directions." Surveys in Operations Research and Management Science 21, no. 2 (2016): 47–61. http://dx.doi.org/10.1016/j.sorms.2016.12.001.
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Wasmann, Michel, and Marco Spruit. "Performance Management within Social Network Sites." International Journal of Business Intelligence Research 3, no. 2 (2012): 49–63. http://dx.doi.org/10.4018/jbir.2012040104.
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The huge amount of data and complexity of decisions in the current information age requires decision makers to utilize information analysis tools for supporting business decisions. This is also the case for social network sites which control huge amounts of data just waiting to be transformed from information to valuable knowledge through Business Intelligence methods. These techniques are not yet widely in use within companies whose core business revolves around user generated content. This research conducts a qualitative research to provide more knowledge and a deeper understanding of a Business Intelligence approach which supports the business model of companies exploiting a Social Network Site. Available Business Intelligence process models do not take the organizational aspects into account as continuous process improvement elements. Therefore, this work proposes the new method: the Social Network Intelligence Process (SNIP) Method. The SNIP Method and its related management information items were validated through a series of expert interviews and an in-depth single case study at the leading Dutch social network site.
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de Jong, Peter, and Monique Arkesteijn. "Life cycle costs of Dutch school buildings." Journal of Corporate Real Estate 16, no. 3 (2014): 220–34. http://dx.doi.org/10.1108/jcre-08-2013-0019.
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Purpose – This article aims at providing case-based evidence to support the idea that an integral approach using life cycle costs (LCC) would lead to more in-depth argued adjustments towards sustainable and feasible school buildings. There is a gap between the investment in and the operating costs of public school buildings, caused by the splitting up of responsibility for the financing of the accommodation. Municipalities finance the initial costs of construction, and school boards are responsible for the operating costs. According to architecture-based research on this subject, this split results in higher costs during the lifetime of the buildings. This problem is often referred to as the split-incentive problem. Design/methodology/approach – The research conducted nine case studies of newly built secondary school buildings. The schools were examined with reference to building characteristics, building costs and operational costs. The sustainable performance of these cases is described with the aid of a Dutch sustainability measurement tool. The core of the research is the LCC analysis and the overall perspective on the ratio between initial costs and operations costs. Findings – It is often held in the construction sector that investments in sustainability lead to increased expense. However, studies indicate this is not unequivocally true. The authors study, at least, found no clear evidence that schools with investments in specific sustainable solutions have such undesirable higher investment costs. The authors study found some positive effects of sustainable measurements on the LCC of secondary schools. Originality/value – This study confirms the ratio of Hughes and Ive as defined in office typologies to be true in the school building typology. It is worthwhile for owners and users to keep focus on LCC, as well as for the government as financiers/or funders of school buildings.
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Supratman, Frial Ramadhan. "Hajj and the chaos of the Great War: Pilgrims of the Dutch East Indies in World War I (1914-1918)." Wawasan: Jurnal Ilmiah Agama dan Sosial Budaya 5, no. 2 (2020): 167–78. http://dx.doi.org/10.15575/jw.v5i2.8584.
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The outbreak of World War 1 in 1914 had a major effect on global interactions during the early 20th century. Travel from one country to another to conduct trade, study, research, and religious pilgrimages become disrupted. Hajj (pilgrimage to the holy city of Mecca) is one of the areas affected by the outbreak of this great war. The number of pilgrims from the Dutch East Indies dropped dramatically. Hajj ships also ceased operations. Besides, many Dutch East Indies pilgrims in Mecca were unable to return home and suffered life misery during World War I. This article investigates the impact of World War I (1914-1918) on Dutch East Indies pilgrims. The purpose of this article is to find out how Dutch East Indies Muslims responded to hajj during World War I. In this study, the researcher used historical methods that emphasised the exploration of the sources of Early 20th century Malay and Dutch newspapers. The researcher argues that in line with the events of World War I, the Dutch colonial government still intervened against religious practices in the Dutch East Indies, especially the hajj, thus worsening the situation of the Dutch East Indies pilgrims in Mecca. Opponents of this policy, such as R.A.A. Djajadiningrat, Hasan Mustapa, Cokroaminoto, Tafsir Anom, and Rinkes, formed the Hajj Assistance Committee to help pilgrims return to the Dutch East Indies.
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Szűcs, Maja. "George Pal, de grondlegger van de Nederlandse industriële animatiefilmproductie." Internationale Neerlandistiek 58, no. 2 (2020): 123–42. http://dx.doi.org/10.5117/in2020.2.003.szuc.
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Abstract The name of Hungarian animation film maker George Pal (1908-1980) is almost unknown, both in his home country Hungary and in the Netherlands. His 110th birthday anniversary passed without any commemoration in spite of the fact that he was a key figure in the Dutch animation film history. In this article I would like to demonstrate why we should see Pal as the founder of the Dutch industrial animation production and which role he has in the research on the cultural relations between the Netherlands and Hungary in the period before the World War II. His influence on the Dutch animation film industry has been hardly analyzed until now. On the base of source research, which adds to the incomplete publications, I would like to prove why the invitation of Pal to the Netherlands in July 1934 had a fundamental influence on the Dutch animation production. Later on, this research will be the beginning of a thorough study of the importance and the network of George Pal in the Netherlands.
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Liu, Chang, Bin Li, Qi Chu Chen, and Jing Yi Lin. "Research and Design of Electric Vehicle Operation Management System." Applied Mechanics and Materials 253-255 (December 2012): 2237–41. http://dx.doi.org/10.4028/www.scientific.net/amm.253-255.2237.
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Obtained requirements by analysis of the business functions of the electric vehicle operations management to form four types of applications, and then design the physical architecture and logical architecture of electric vehicle operations management system(EVOMS), adopted the three level management system, fully construct operation monitoring system of support electric vehicle smart charging and battery swapping service network.
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Thomas, Ashish. "Developing an integrated quality network for lean operations systems." Business Process Management Journal 24, no. 6 (2018): 1367–80. http://dx.doi.org/10.1108/bpmj-02-2018-0041.
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Purpose Most successful companies have adopted some type of improvement methodology to achieve optimum performance, high quality, lower costs and productivity. Some of the structured methodologies employed indiscriminately are total quality management, quality control, agile, lean and Six Sigma which yield varied results. The purpose of this paper is to explore how to harness the power of an integrated system of quality tools and techniques to create operational excellence. An integrated framework involves matching quality tools and techniques to the multi-phases (input, transformation and output) of lean manufacturing or service ecosystem. Design/methodology/approach Current research of lean quality systems provides a conceptual understanding of core tools employed by manufacturing and service organizations. Interviewing domain experts from a series of manufacturing and service organizations highlighted a common challenge. The challenge was lean tools and methodologies were selected and employed arbitrarily for the different operational phases, which resulted in selective synergies of tools between operational phases. This limitation resulted in rework and duplication of quality efforts through the diverse phases of the transformation system. This study is based on the hypothesis that all phases of an operational system must be linked by common tools and methodologies which enables harnessing quality benefits and synergies throughout the entire operational system. The study methodology trailed through cooperative inquiry using a case study approach to design an integrated framework of tools that facilitates a common platform for manufacturing or service ecosystems. Findings This study suggests that quality systems in a complex competitive environment must consider an integrated iterative approach. An iterative development of lean quality tools for multiple phases produces an integrated quality system. Such systems employ blending and extending of lean quality tools to multiple phases of the transformation system to synthesize agile and versatile quality system. Research limitations/implications A limitation of this study is that the research of integrated framework is based on repertory grid technique only; it should be supplemented by other methods. Second, the proposed framework does not consider the complexity added by the internal and external stakeholders as they interface with the integrated system at different points with reference to phases of the system. Practical implications One of the advantages of this method is its generality, instead of delivering a monolithic system at the culmination of long transformation process we rely on smaller quality sprints which are implemented sequentially at each stage or phase of the transformation system. The phenomena of incremental clustering of time-series of quality sprints for different phases results in true integration from end to end for a transformation system. Social implications This study helps investigate the personal constructs that users and managers employ to interpret and select quality tools or methodologies for the different phases of lean transformational system. Originality/value This study aims to understand the impact of blending quality and business process improvement tools and methodologies to enhance outcomes. The basis of this study is “the power of multiplicity” through which a diverse collection of improvement paths is pooled into an integrated framework of quality tools for lean and efficient operations.
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Olson, David L., Bala Shetty, M. A. Venkataramanan, and Ishwar Murthy. "Network reoptimization procedures for multiobjective network probelems." Annals of Operations Research 20, no. 1 (1989): 219–32. http://dx.doi.org/10.1007/bf02216930.
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Gattaz, Cristiane Chaves, Paulo Estevão Cruvinel, and Marcos Roberto Piscopo. "Semantic Parameters to Manage an Innovation Network Using Managing as Designing Approach: The Virtual Innovation Society Network Case." International Journal of Innovation 2, no. 1 (2014): 45–64. http://dx.doi.org/10.5585/iji.v2i1.8.
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The most recent operations and management frameworks in innovation have not been complete to explicit required knowledge to manage the cooperation of its networked open innovation value chain in the knowledge economy and open enterprise. Strategic actors from the Virtual Innovation Society network were interviewed to identify critical semantic parameters that address this issue. As a result, this study suggests the characterization of inter-dependent added-values and its performance metrics, under the “managing as designing” approach, as input for managing the externalities, the integration of the articulation between business operations, strategy and information technology, and waste of innovation. In this context, the identification of the main managerial indicators for future command and control of existing innovation network operations under the “managing as designing” approach becomes a new challenge for future research. Keywords: Managing as Designing; Innovation Management; Network Managament; Operations Management; Virtual Networks.
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S. Behara, Ravi, Sunil Babbar, and Philip Andrew Smart. "Leadership in OM research: a social network analysis of European researchers." International Journal of Operations & Production Management 34, no. 12 (2014): 1537–63. http://dx.doi.org/10.1108/ijopm-08-2013-0390.
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Purpose – The purpose of this paper is to examine the leadership role of authors, institutions, and countries based on research co-authorship networks in the field of operations management (OM) and ranks European authors, institutions, and countries using network centrality measures. It also identifies the primary research areas of each of the leading European authors and maps the areas that European research in general has focussed most on. Design/methodology/approach – Based on co-authorships in publications appearing in a representative set of three leading OM journals over the 15-year period of 1998-2012, network measures of total degree centrality and betweenness centrality are used to identify influential European agents serving as leaders and bridge builders in OM research. Keyword analysis is used to identify the dominant areas of OM research in Europe as well as the primary areas of research of the leading authors. Findings – With UK, Spain, The Netherlands, and Italy accounting for the dominant share of authorship of papers in the journal set, many authors and institutions from these countries are also found to rank high on network centrality measures. While certain authors, institutions, and countries are found ranking high on total degree centrality based on number of direct connections in the network, others are found to play uniquely important roles as gatekeepers and bridge builders in network relationships. The body of research is found to be focussed most on the area of supply chain management. It is also found to be focussed more on manufacturing than service. Research limitations/implications – The examination of networks in this study based on co-authorships in publications in the set of three leading journals: Journal of Operations Management, International Journal of Operations & Production Management, and Production and Operations Management, is not all encompassing as there are likely other co-authorship relationships of OM researchers that go beyond publications in this set of journals. Practical implications – Co-authorship of papers in the leading academic journals in a discipline provides a window on patterns of collaboration among key researchers within that academic community. The findings of this study inform the community of stakeholders on who the leading European agents in OM research are, what the primary areas of research of the leading European authors are, and areas that European research has focussed most on. Originality/value – This is the first study of its kind that identifies and maps key European authors, institutions, and countries based on the analysis of co-authorship networks of researchers who have published in a set of leading OM journals that are considered to be among the most relevant outlets in the field of OM. It also maps the primary areas of research.