nils-herrmann/clean_scirepeval huggingface dataset:
Lean healthcare from a change management perspective.
Venue: Journal of health organization and management

Lean healthcare is used in a growing number of hospitals to increase efficiency and quality of care. However, healthcare organizations encounter problems with the implementation of change initiatives due to an implementation gap: the gap between strategy and execution. From a change management perspective, the purpose of this paper is to increase scientific knowledge regarding factors that diminish the implementation gap and make the transition from the "toolbox lean" toward an actual transformation to lean healthcare.  A cross sectional study was executed in an operating theatre of a Dutch University Medical Centre. Transformational leadership was expected to ensure the required top down commitment, whereas team leadership creates the required active, bottom up behavior of employees. Furthermore, professional and functional silos and a hierarchical structure were expected to impede the workforce flexibility in adapting organizational elements and optimize the entire process flow.  The correlation and regression analyses showed positive relations between the transformational leadership and team leadership styles and lean healthcare implementation. The results also indicated a strong relation between workforce flexibility and the implementation of lean healthcare.  With the use of a recently developed change management model, the Change Competence Model, the authors suggest leadership and workforce flexibility to be part of an organization's change capacity as crucial success factor for a sustainable transformation to lean healthcare.
Performance metrics in engineering change management Key Performance Indicators and engineering change performance levels
Venue: 2016 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM)

A key aspect of engineering change management is the efficient handling of engineering changes within the product development process. Thus, performance measurement criteria, i.e. performance metrics or Key Performance Indicators, are often used in a variety of domains to either reveal performance deficit or improve a certain process. However, in the field of engineering change management the literature lacks a broad understanding of Key Performance Indicators as well as its applications. This lack of performance metrics can be remedied by transferring available knowledge of KPIs from other research fields. This paper therefore presents an initial perspective on the research activities on performance metrics in various research domains. Furthermore, constraints in engineering change management are identified for the application of KPIs to improve the overall handling of engineering changes. As a result, a performance level model is described for the application of performance metrics in engineering change management.
Agile development as a change management approach in software projects: Applied case study
Venue: 2016 2nd International Conference on Information Management (ICIM)

Although a large amount of research has been carried out so far to study the impacts of agile methods in various phases of software engineering, only very few of these have yielded empirical evidence in the form of products being used in real life environment. Very few of these studies have been dedicated to study change management while adopting agile methods. In this paper, it has been argued that that agile software development, with its practices for user involvement and product visibility, can be used as a change management approach in most small to medium scale projects. As an illustration of the theoretical findings, the application of agile methods in managing change in two projects as Saudi Electronic University has been described. The results and findings clearly corroborate our findings and explain why agile methods should be practiced more often with for projects which need specific emphasis on change management.
Allorecognition of HLA C Mismatches by CD8+ T Cells in Hematopoietic Stem Cell Transplantation Is a Complex Interplay between Mismatched Peptide Binding Region Residues, HLA C Expression, and HLA DPB1 Disparities
Venue: Front. Immunol.

HLA C locus mismatches (MMs) are the most frequent class I disparities in unrelated hematopoietic stem cell transplantation (HSCT) and have a detrimental impact on clinical outcome. Recently, a few retrospective clinical studies have reported some variability in the immunogenicity of HLA C incompatibilities. To get better insight into presumably permissive HLA C MMs, we have developed a one way in vitro mixed lymphocyte reaction (MLR) assay allowing to quantify activated CD56 CD137+CD8+ lymphocytes in HLA C incompatible combinations. T cell mediated alloresponses were correlated with genetic markers such as HLA C mRNA expression and the number of amino acid (aa) MMs in the a1/a2 domains (peptide binding region) Because of the high rate of HLA DPB1 incompatibilities in HLA A B C DRB1 and DQB1 matched unrelated HSCT patient/donor pairs, the impact of HLA DPB1 mismatching, a potential bystander of CD4+ T cell activation, was also considered. Heterogeneous alloresponses were measured in 63 HLA C mismatched pairs with a positive assay in 52% of the combinations (2.3 18.6% activated CTLs) representing 24 different HLA A~B~DRB1~DQB1 haplotypes. There was no correlation between measured alloresponses and mRNA expression of the mismatched HLA C alleles. The HLA C*03:03/03:04 MM did not induce any positive alloresponse in five MLRs. We also identified HLA C*02:02 and HLA C*06:02 as mismatched alleles with lower immunogenicity, and HLA C*14:02 as a more immunogenic MM. A difference of at least 10 aa residues known to impact peptide/T cell receptor (TCR) binding and a bystander HLA DPB1 incompatibility had a significant impact on CTL alloreactivity (p 0.021) The same HLA C MM, when recognized by two different responders with the same HLA haplotypes, was recognized differently, emphasizing the role of the T cell repertoire of responding cells. In conclusion, mismatched HLA C alleles differing by 10 or more aas in the peptide/TCR binding region, when occurring together with HLA DPB1 incompatibilities, should be considered as high risk MMs in unrelated HSCT.
High performance form stable expanded graphite/stearic acid composite phase change material for modular thermal energy storage

A new synthesis method is developed for preparing form stable expanded graphite (EG)/stearic acid (SA) composite phase change material (CPCM) by using "impregnation of liquid PCM into EG matrix and then compressing into stable shape block" The effects of EG content and packed density on the thermal physical property and thermal stability of form stable EG/SA CPCM are firstly analyzed and its optimum parameters are investigated, and then an advanced form stable modular thermal energy storage unit is manufactured and its thermal performance is evaluated. The SEM analysis shows that SA is well impregnated into graphite flakes and a regular laminar structure gradually forms with increasing packed density. The DSC analysis reveals that the CPCM nearly has no supercooling problem and the addition of EG and compressing operation have negligible effect on the phase change temperature and latent heat of SA. The form stable CPCM has obvious anisotropic thermal conductivity and the largest difference between axial and radial thermal conductivity reaches up to 4 times. Both axial and radial thermal conductivities can be enhanced significantly by using the additive of EG, and the radial thermal conductivity is as high as 23.27 W/mK. The TGA analysis indicates that the form stable CPCM has good thermal stability within a wide range of temperature and those samples with low porosity are susceptible to liquid leakage. Experimental results show the form stable EG/SA CPCM exhibits excellent overall thermal performance by employing the optimum parameters of 25 wt. EG content and packed density of 900 kg/m 3 An advanced design method for modular energy storage unit is proposed by integrating copper tubes into the form stable CPCM, and it can be easily used to achieve different energy storage capacities by assembling different numbers of modular thermal energy storage units. It appears that the proposed new method is very effective to synthesis high performance form stable graphite based CPCM in comparison with the conventional methods, and the thermal conductivity can be enhanced about 130 times higher than that of pure PCM.
Political Resilience and EU Responses to Aviation Terrorism

In this article, we examine how European authorities have responded to reported threats to aviation resulting from individual terrorist tactics. We do so by applying the notion of political resilience and drawing on Palonen's "policy, polity, politicking, and politicization" model as well as on Malcolm Anderson's concept of "politics of the latest outrage." We argue that the European Union response to aviation terrorism has created polity transformation and generated a long list of new policies but has also in the process become politicized and subject of politicking, with some high profile measures being criticized for having a deleterious impact on passengers' rights.
Trends in Aviation Terrorism

On October 31, 2015 a Russian Airbus A321 plane was shot down on its way from the Sinai Peninsula to Saint Petersburg by a bomb that was planted under one of the plane's seats. The Islamic State claimed responsibility for the terror attack and said that it had been able to detect a security breach at the international airport in Sharm El Sheikh in the Sinai Peninsula. The force of the blast on the plane was equivalent to one kilogram of TNT explosive material which, according to the organization, had been hidden in a beverage can. The attack, which was carried out in the wake of Russia's involvement in the war in Syria, caused the plane to crash and killed all 224 people on board.
A novel symbiotic organisms search algorithm for optimal power flow of power system with FACTS devices

In this paper, symbiotic organisms search (SOS) algorithm is proposed for the solution of optimal power flow (OPF) problem of power system equipped with flexible ac transmission systems (FACTS) devices. Inspired by interaction between organisms in ecosystem, SOS algorithm is a recent population based algorithm which does not require any algorithm specific control parameters unlike other algorithms. The performance of the proposed SOS algorithm is tested on the modified IEEE 30 bus and IEEE 57 bus test systems incorporating two types of FACTS devices, namely, thyristor controlled series capacitor and thyristor controlled phase shifter at fixed locations. The OPF problem of the present work is formulated with four different objective functions viz. (a) fuel cost minimization, (b) transmission active power loss minimization, (c) emission reduction and (d) minimization of combined economic and environmental cost. The simulation results exhibit the potential of the proposed SOS algorithm and demonstrate its effectiveness for solving the OPF problem of power system incorporating FACTS devices over the other evolutionary optimization techniques that surfaced in the recent state of the art literature.
A Fast LP Approach for Enhanced Utilization of Variable Impedance Based FACTS Devices
Venue: IEEE Transactions on Power Systems

Transmission systems are under stress and need to be upgraded. Better utilization of the existing grid provides a fast and cheap alternative to building new transmission. One way to improve the utilization of the transmission network is power flow control via flexible ac transmission system (FACTS) devices. While FACTS devices are used today, the utilization of these devices is limited; traditional dispatch models (e.g. security constrained economic dispatch) assume a fixed, static transmission grid even though it is rather flexible. The primary barrier is the complexity that is added to the power flow problem. The mathematical representation of the DC optimal power flow, with the added modeling of FACTS devices, is a nonlinear program (NLP) This paper presents a method to convert this NLP into a mixed integer linear program (MILP) The MILP is reformulated as a two stage linear program, which enforces the same sign for the voltage angle differences for the lines equipped with FACTS. While this approximation does not guarantee optimality, more than 98% of the presented empirical results, based on the IEEE 118 bus and Polish systems, achieved global optimality. In the case of suboptimal solutions, the savings were still significant and the solution time was dramatically reduced.
Optimal setting of FACTS devices for voltage stability improvement using PSO adaptive GSA hybrid algorithm

This paper presents a novel technique for optimizing the FACTS devices, so as to maintain the voltage stability in the power transmission systems. Here, the particle swarm optimization algorithm (PSO) and the adaptive gravitational search algorithm (GSA) technique are proposed for improving the voltage stability of the power transmission systems. In the proposed approach, the PSO algorithm is used for optimizing the gravitational constant and to improve the searching performance of the GSA. Using the proposed technique, the optimal settings of the FACTS devices are determined. The proposed algorithm is an effective method for finding out the optimal location and the sizing of the FACTS controllers. The optimal locations and the power ratings of the FACTS devices are determined based on the voltage collapse rating as well as the power loss of the system. Here, two FACTS devices are used to evaluate the performance of the proposed algorithm, namely, the unified power flow controller (UPFC) and the interline power flow controller (IPFC) The Newton Raphson load flow study is used for analyzing the power flow in the transmission system. From the power flow analysis, bus voltages, active power, reactive power, and power loss of the transmission systems are determined. Then, the voltage stability is enhanced while satisfying a given set of operating and physical constraints. The proposed technique is implemented in the MATLAB platform and consequently, its performance is evaluated and compared with the existing GA based GSA hybrid technique. The performance of the proposed technique is tested with the benchmark system of IEEE 30 bus using two FACTS devices such as, the UPFC and the IPFC.
Selection of medical waste logistic firms by using AHP TOPSIS methodology

Hospitals create large amount of medical waste that endangers human health and sanitation if handled improperly. Hence, medical waste is to be handled by appropriate logistics firms that transport it to special disposal facilities to minimize the potential environmental hazards and decrease operational expenses. The selection of the most appropriate logistic service provider for medical waste management is an essential procedure to ensure hygiene. However, hospitals select their medical waste management firm inefficiently, where the service performance is often clouded by subjective judgment and past experience. This work presents a systematic and logical approach to evaluate hazardous medical waste management (HMWM) logistic firm selection process through AHP (Analytical Hierarchy Process) based TOPSIS (Technique for Order Preference by Similarity to Ideal  methodology. AHP process is used to obtain the criteria weights and then based on interviews with experts, TOPSIS method is used to objectively select the most suitable hazardous medical waste logistic firm to at the same time reduce overhead costs and enhance hazardous waste management in a hospital environment. The proposed method offers very efficient and precise means to select HMWM logistic firms than other subjective assessment methods do and so reduces the potential health and environmental risk for hospitals environment.  Medical waste, hazardous medical waste management, logistic firm selection, AHP,
Brannerite, UTi2O6: Crystal chemistry, synthesis, properties, and use for actinide waste immobilization
Venue: Radiochemistry

The host materials suggested for immobilization of actinide waste of military or civil origin often contain the secondary (U,Pu)Ti2O6 phase of brannerite structure. For example, the materials for incorporation of excess plutonium, mainly consisting of pyrochlore, contain up to 30% brannerite. This is a usual phase in titanate host materials for isolating spent nuclear fuel (SNF) and products of its reprocessing, including waste from production of 99mTs for medical purposes and other kinds of waste with high U and Pu content. Despite simple ideal stoichiometry, brannerite can contain large amounts of rare earths. This feature is due to the presence of uranium not only in the 4+ oxidation state, but also in the 5+ and 6+ states, which favors the exchange of rare earth elements (REE) e.g. in accordance with the scheme 2U4+ U5+ REE3+ The REE amount in brannerite reaches 0.5 0.7 atom per formula unit. Therefore, brannerite is of interest as a host material for the rare earth actinide fraction of high level waste (HLW) To evaluate the prospects for such use of brannerite, data on the radiation resistance of brannerite and its behavior in aqueous solutions are analyzed. In these properties, brannerite is inferior to pyrochlore and zirconolite. The rate of actinide leaching from brannerite is higher by an order of magnitude than from these phases, but lower by 3 4 orders of magnitude than from glass host materials. Natural brannerite is stable in media with weakly alkaline and reducing waters. Therefore, brannerite seems suitable for immobilization of rare earth actinide waste. This host material can be synthesized by sintering or cold crucible induction melting followed by crystallization.
Extracorporeal Cardiopulmonary Resuscitation (E CPR) During Pediatric In Hospital Cardiopulmonary Arrest Is Associated With Improved Survival to Discharge: A Report from the American Heart Association's Get With The Guidelines Resuscitation (GWTG R) Registry
Venue: Circulation

Although extracorporeal cardiopulmonary resuscitation (E CPR) can result in survival after failed conventional CPR (C CPR) no large, systematic comparison of pediatric E CPR and continued C CPR has been reported.  Consecutive patients <18 years old with CPR events =10 minutes in duration reported to the Get With the Guidelines Resuscitation registry between January 2000 and December 2011 were identified. Hospitals were grouped by teaching status and location. Primary outcome was survival to discharge. Regression modeling was performed, conditioning on hospital groups. A secondary analysis was performed with the use of propensity score matching. Of 3756 evaluable patients, 591 (16% received E CPR and 3165 (84% received C CPR only. Survival to hospital discharge and survival with favorable neurological outcome (Pediatric Cerebral Performance Category score of 1 3 or unchanged from admission) were greater for E CPR (40% [237 of 591] and 27% [133 of 496] versus C CPR patients (27% [862 of 3165] and 18% [512 of 2840] Odds ratios (ORs) for survival to hospital discharge and survival with favorable neurological outcome were greater for E CPR versus C CPR. After adjustment for covariates, patients receiving E CPR had higher odds of survival to discharge (OR, 2.80; 95% confidence interval, 2.13 3.69; P<0.001) and survival with favorable neurological outcome (OR, 2.64; 95% confidence interval, 1.91 3.64; P<0.001) than patients who received C CPR. This association persisted when analyzed by propensity score matched cohorts (OR, 1.70; 95% confidence interval, 1.33 2.18; P<0.001; and OR, 1.78; 95% confidence interval, 1.31 2.41; P<0.001, respectively]  For children with in hospital CPR of =10 minutes duration, E CPR was associated with improved survival to hospital discharge and survival with favorable neurological outcome compared with C CPR.
A general approach for calculations of weight functions and stress intensity factors

An approximate and simple expression is presented to calculate the crack face displacements of collinear cracks and center cracks by use of only one reference stress intensity factor. The crack face displacement and its partial derivative determined by the present method are in good agreement with their exact solutions. Calculations of weight functions for the center crack are reduced to the simple quadrature of the correction function and of the partial derivative of the crack face displacement. Based on the weight function method, the relationships between the stress intensity factor of the rotating blade with a center crack to the crack length, crack location, rotating speed and angular acceleration are studied. The critical rotating speed of the blade is evaluated based on the fracture law.
La Plaza del Diamante: The Other Side of the Story

In Writing beyond the Ending Rachel Blau DuPlessis points out that displacing attention to the other side of the story is one of the strategies frequently used by twentieth century women poets when they rewrite classical or Judeo Christian myths. This narrative displacement "offers the possibility of speech to the female in the case, giving voice to the muted" (108) Such a change in perspective radically alters the nature of the story and its underlying assumptions. Eurydice's or Penelope's values, after all, are not those of Orpheus or Ulysses. Although DuPles sis's analysis focuses on the revisionary mythopoesis of poets whose language is English, the concept of the other side of the story is relevant to the writing of Catalan novelist Merce Rodoreda and her 1962 novel, La Plaza del Diamante in particular. The protagonist is a woman whose life, like that of Goethe's Makarie, would appear to be without external events, "a life whose story cannot be told as there is no story" (Eichner 620) Rodoreda, however, is well aware that female experience is not minor and that women writers can, in the words of Virginia Woolf, choose "to make serious what appears insignificant to a man, and trivial what is to him important" (81) The protagonist of Diamante is a simple, unlettered, working class woman who recounts her courtship, marriage, the birth of her two children, her widowhood, and her remarriage. Natalia's narrative spans a period of some twenty five years running from shortly before the advent of the Second Republic into the post Civil War period. Chapters 1 17 portray her daily life and its "small headaches." In chapters 18 32, political events assume increasing importance and the headaches be come big ones. In chapters 33 49, Natalia gradually rebuilds her life in postwar Barcelona (Arnau 245 247) A series of binary oppositions structure the narrative: story/lack of story, speech/silence,
Source Digital Voice Recorder Identification by Wavelet Analysis
Venue: Int. J. Artif. Intell. Tools

Identification of the speech signal origin is an important issue since it may play a vital role for criminal and forensic investigations. Yet, in the media forensics field, source digital voice recorder (DVR) identification has not been given much attention. In this paper we study the effect of subband based features obtained using uniform wavelet packet decomposition and Teager energy operator on the DVR model and brand identification performance. In order to assess the effects of these features on the proposed system, one class classifiers (OCCs) with two reference multi class classifiers were carried out. The performance of the DVR identification system is tested on a custom database of twelve portable DVRs of six different brands. The results showed that the proposed system can effectively identify the correct DVR brands/models with a high accuracy. Moreover, it was observed that the combination of the traditional speech features with subband Teager energy cepstral parameters (STEC) and short time frame energy as a feature improved recognition accuracy under both silent and noisy recording conditions.