Miracle-dz/UniFAR-FTUs huggingface dataset:
Cultivating sustainable communities of practice within hierarchical bureaucracies

PurposeThe purpose of this paper is to address hierarchies in a large program of projects. It explores cultivation of communities of practice (CoP) within a hierarchical client organization that manages multi-billion-euro infrastructure programs and projects.Design/methodology/approachThis paper is based on an exploratory longitudinal case study approach involving action research. In-depth semi-structured interviews, company records, industry reports and observation from a case study in the hierarchical bureaucracy were translated into the language of cognitive maps for software analysis and subsequent interpretation.FindingsThe findings highlight the importance of hierarchy constraints and program management practices in project-based firms. The involvement of senior management in CoP cultivation reinforced the community’s contribution to strategic value creation in the firm under scrutiny.Research limitations/implicationsThis paper mobilizes the concepts of boundary spanning and loose coupling as a way of analyzing the role of CoPs in bureaucratic hierarchies to promote learning and knowledge transfer. The results of the study suggest that application of those concepts can contribute to sustainability of CoPs in hierarchical organizations by giving them social space to span horizontal and vertical boundaries.Practical implicationsThe authors practically contribute to the field by demonstrating the process and the impact of CoP sponsors’ engagement in their cultivation. This was enabled through the research-oriented action research component. The paper also concludes that cognitive mapping may provide a useful addition to engaged research, potentially simulating and influencing change in practice.Originality/valueThe academic contribution concerns understanding the roles of hierarchies, program management and CoP cultivation in project-based firms. It offers clear guidelines for managers of hierarchical bureaucracies to cultivate CoPs to address hierarchical constraints and how CoPs differ in organizational form.
Effect of Dietary Protein Level on Growth Performance, Protein Utilizat ion and Body Composition of Nile Tilapia Cultured in Low Salinity Water

The juveniles of Nile tilapia, Oreochromis niloticus (body weight 1.0±0.03 g) were reared in seawater tanks (35 liters each) in order to examine their optimum dietary protein r equirements. They were fed four isoenergetic (20.3 kJg -1 ) diets containing 25%, 30%, 35% and 40% protein at a daily ration of 5% body weight for 42 days. Fish fed diets of 35% and 40% protein produced higher weight gain and growth rate than those of the other diets. Broken line regression analysis yielde d an optimal protein level of 35%. Feed conversion and protein e fficiency were significantly higher at 35% and 40% protein diets than remaining diets. Fish whole body composition s howed that moisture, protein and ash content of the fish fed diets of 35% and 40% protein was significantly higher than that of f ish fed diets containing protein levels of 25% and 30% , although the lipid contents were lower. Fish fed 35% and 40% protein diets showed higher nitrogen gain and nitrogen retention efficiency than those fed on other diets. Based on the biological data, it was esti mated that the optimal level of protein for O. niloticus weighing between 1.0 g and 5.7 g was 35%.
Change of the Extractability of Cadmium Added to Different Soils: Aging Effect and Modeling

Ethylenediaminetetraacetic acid (EDTA) is known to be a chelating agent and has been widely used for estimating the total extractable metals in soil. The effect of aging on EDTA-extractable cadmium (Cd) was investigated in five different soils at three Cd concentrations incubated for 180 days. The EDTA-extractable Cd rapidly decreased after incubated during 30–60 days, followed by slow processes, and for 90 days the EDTA-extractable Cd tended to be stable. The decrease in EDTA-extractable Cd may be due to precipitation/nucleation processes, diffusion of Cd into the micropores/mesopores, and occlusion within organic matter in soils. A semi-mechanistic model to predict the extractability of Cd during incubation, based on processes of Cd precipitation/nucleation, diffusion, and occlusion within organic matter, was developed and calibrated. The results showed that the processes of micropore/mesopore diffusion were predominant processes affecting the extractability of Cd added to soils, and were slow. However, the proportions of the processes of precipitation/nucleation and occlusion within organic matter to the non-EDTA-extractable Cd added to soils were only 0.03–21.0% and 0.41–6.95%, respectively. The measured EDTA-extractable Cd from incubated soils were in good agreement with those predicted by the semi-mechanistic model (R2 = 0.829). The results also indicated that soil pH, organic matter, and incubation time were the most important factors affecting Cd aging.
A Sound-based Intervention for Children with Sensory Processing Disorders in Taiwan

Sensory processing disorders (SPD), are a group of disorders that involve challenges in modulation, integration, organization, and discrimination of sensory input to the extent that the person does not respond appropriately to the input and experiences disruptions in daily activities and emotional behavioural patterns. Therapeutic listening (TL) is a sound-based intervention, which contains listening to electronically altered music and performing sensory activities to provide sensory stimulations. The purpose of this study aimed to explore the experience of Taiwanese mothers having a child with sensory processing disorder using the TL program. A qualitative ethnographic design was conducted to explore Taiwanese mothers’ experiences through semi-structured interviews. We analysed the transcripts and compiled them into themes. A total of three mothers were interviewed. The two themes appeared from the analysis of the transcripts: (a) improvements and changes; and (b) issues of implementing the TL program. These Taiwanese mothers expressed that their children had better control of their behaviours, emotions, and mobility and were involved in daily activities more timely after the TL program. These mothers had better parent-child interactions when mothers joined the TL program. Taiwanese mothers expressed that their children accepted the modulated music and there are benefits of using the TL program. However, absence of rules for performing sensory activities and the appearance, ear cushion material, and size of the headphones may limit the use of the TL program in Taiwan. Therefore in order to better apply and promote the TL program in Taiwan, clinicians and researchers could provide specific rules for performing sensory activities and adjust the headphones.
Coordination Complexes with Lignin-Based Nanoparticles in Targeted Drug Controlled Release and Their Molecular Expression in Cell Lines

The physicochemical properties of lignin nanoparticles offer an exciting frame for innovative nanomaterials, which can further develop after alterations for targeted controlled release. This minireview summarizes the recent advancement and challenges in effective utilization of coordinated lignin nanoparticles as a carrier for drug delivery within the natural environment for biopharmaceutical applications.
COMPARISON ON ACCURACY OF LOGISTIC, GOMPERTZ AND VON BERTALANFFY MODELS IN PREDICTING GROWTH OF NEW BORN CALF UNTIL FIRST MATING OF HOLSTEIN FRIESIAN HEIFERS

The body weight records of 1221 heifers were used in this study collected from PT Taurus DairyFarm Sukabumi from year 2001 until 2011. The records that could be used for analysis were 373 out of1221 heifers, having completed data from birth to first mating period. Three different models i.e,Logistic, Gompertz, and von Bertalanffy were performed to analyze the growth rate of heifers. Theresults showed that the three models had different accuracy and heavily depend on age, environment andduration of recording. The body weights of sexual maturity and on certain ages were affected by theduration of recording. The Gompertz model was performed as the simpliest model in form ofcalculation. On the other hand, the Logistic was more difficult to calculate. All models indicated highaccuracy with the determination coefficient (R2) more than 90%. Based on the comparison, theGompertz and Logistic model are recommended for predicting the growth rate of heifers from birth tosexual maturity.
Appropriate transient receptor potential vanilloid 4 (Trpv4) inhibition protects mice against lipopolysaccharide stress

Background: TRPV4 as a therapeutic target was used in endotoxemia research. However, conflicting results have been reported. It was reported that HC067047 as a TRPV4 inhibitor caused a reduction in LPS-induced mortality. Oppositely, TRPV4 inhibited with HC06047 could not attenuate LPS-induced symptoms and exaggerated pathology. The mechanism of conflict is still unknown. Material and Methods: We assessed the pathological state in their experiments and further assessed the levels of TRPV4 expression with their respective treatment. Then the cell models with various levels of TRPV4 expression were used to explore the mechanism of conflicting results. The effect of TRPV4 expression on the apoptosis was observed under same LPS-dose stress. Meanwhile, F-actin contents were assessed with FITC-phalloidine staining. Results: Our experiments verified their results and further showed that TRPV4 expression differed between the two reports. We speculated that the different TRPV4 expression might have caused the conflicting results. Cell models of varying TRPV4 expression included normal TRPV4 expression and overexpression models. Results showed that TRPV4 overexpression significantly increased the apoptosis when compared with normal expression cells with the same lipopolysaccharide dose (P<0.05). HC067047 enhanced apoptosis in normal expression cells (P<0.05) and reduced apoptosis in overexpression cells (P<0.05). Research about the mechanism showed that HC06047 blocked TRPV4 signals, caused actin stress fiber accumulation, and induced apoptosis in normal expression cells. Oppositely, HC06047 inhibited relatively overactive TRPV4, attenuated excessive actin depolymerization, and reduced apoptosis ratios in overexpression cells. Conclusion: Underactive and/or overactive TRPV4 may be inhibitory to maintenance of cell function against lipopolysaccharide -induced stress.
Comparison of Gain Function Approximation Methods in the Feedback Particle Filter

This paper is concerned with a study of the different proposed gain-function approximation methods in the feedback particle filter. The feedback particle filter (FPF) has been introduced in a series of papers as a control-oriented, resampling-free, variant of the particle filter. The FPF applies a feedback gain to control each particle, where the gain function is found as a solution to a boundary value problem. Approximate solutions are usually necessary, because closed-form expressions can only be computed in certain special cases. By now there exist a number of different methods to approximate the optimal gain function, but it is unclear which method is preferred over another. This paper provides an analysis of some of the recently proposed gain-approximation methods. We discuss computational and algorithmic complexity, and compare performance using well-known benchmark examples.
Continuity of measurement outcomes

It is demonstrated that the collapse of the wave function is equivalent to the continuity of measurement outcomes. The latter states that a second measurement has to result in the same outcome as the first measurement of the same observable for a vanishing time between both observations. In contrast to the exclusively quantum-physical collapse description, the equivalent continuity requirement also applies in classical physics, allowing for a comparison of both domains. In particular, it is found that quantum coherences are the single cause for measurable deviations in statistical properties due to the collapse. Therefore, the introduced approach renders it possible to characterize and quantify the unique features of the quantum-physical measurement problem within the framework of modern quantum resource theories and compare them to classical physics.
CVC 4

CVC4 is the latest version of the Cooperating Validity Checker. A joint project of NYU and U Iowa, CVC4 aims to support the useful feature set of CVC3 and SMT-LIBv2 while optimizing the design of the core system architecture and decision procedures to take advantage of recent engineering and algorithmic advances. CVC4 represents a completely new code base; it is a from-scratch rewrite of CVC3, and many subsystems have been completely redesigned. Additional decision procedures for CVC4 are currently under development, but for what it currently achieves, it is a lighter-weight and higher-performing tool than CVC3. We describe the system architecture, subsystems of note, and discuss some applications and continuing work.
Temporal and spatial discordance of programmed cell death-ligand 1 expression and lymphocyte tumor in fi ltration between paired primary lesions and brain metastases in lung cancer

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Efficient quantum algorithm for solving travelling salesman problem: An IBM quantum experience

The famous Travelling Salesman Problem (TSP) is an important category of optimization problems that is mostly encountered in various areas of science and engineering. Studying optimization problems motivates to develop advanced techniques more suited to contemporary practical problems. Among those, especially the NP hard problems provide an apt platform to demonstrate supremacy of quantum over classical technologies in terms of resources and time. TSP is one such NP hard problem in combinatorial optimization which takes exponential time order for solving by brute force method. Here we propose a quantum algorithm to solve the travelling salesman problem using phase estimation technique. We approach the problem by encoding the given distances between the cities as phases. We construct unitary operators whose eigenvectors are the computational basis states and eigenvalues are various combinations of these phases. Then we apply phase estimation algorithm to certain eigenstates which give us all the total distances possible for all the routes. After obtaining the distances we can search through this information using the quantum search algorithm for finding the minimum to find the least possible distance as well the route taken. This provides us a quadratic speedup over the classical brute force method for a large number of cities. In this paper, we illustrate an example of the travelling salesman problem by taking four cities and present the results by simulating the codes in the IBM's quantum simulator.
Does Ability Affect Alignment in Second Language Tutorial Dialogue?

The role of alignment between interlocutors in second language learning is different to that in fluent conversational dialogue. Learners gain linguistic skill through increased alignment, yet the extent to which they can align will be constrained by their ability. Tutors may use alignment to teach and encourage the student, yet still must push the student and correct their errors, decreasing alignment. To understand how learner ability interacts with alignment, we measure the influence of ability on lexical priming, an indicator of alignment. We find that lexical priming in learner-tutor dialogues differs from that in conversational and task-based dialogues, and we find evidence that alignment increases with ability and with word complexity.
Link Prediction Schemes Contra Weisfeiler-Leman Models

Link prediction is of particular interest to the data mining and machine learning communities. Until recently all approaches to the problem used embedding-based methods which leverage either node similarities or latent group memberships towards link prediction. Chen and Zhang recently developed a class of non-embedding approaches called Weisfeiler-Leman (WL) Models. WL-Models extract subgraphs around links and then encode subgraph patterns via adjacency matrices using the so-called Palette-WL algorithm. A training stage then learns nonlinear graph topological features for link prediction. Chen and Zhang compared two WL-Models – a linear regression model (“WLLR”) and a neural networks model (“WLNM”) – against 12 different common link prediction schemes. In this paper, all author claims are validated for WLLR. Additionally, WLLR is tested against 22 additional embedding-based link prediction techniques arising from common neighbor-, path- and random walk-based schemes. WLLR is shown not to be superior when calculable. In fact, in 80% of the datasets where comparisons were possible, one of our added implementations proved superior.
Light-Weight Integration of SAT Solving into First-Order Reasoners – First Experiments

We describe a light-weight integration of the propositional SAT solver PicoSAT and the saturationbased superposition prover E. The proof search is driven by the saturation prover. Periodically, the saturation is interrupted, and all first-order clauses are grounded. The resulting ground problem is converted to a propositional format and handed to the SAT solver. If the SAT solver reports unsatisfiability, the proof is extracted and reported on the first-order level. First experiments demonstrate the viability of the approach and suggest future extensions. They also yield interesting information about the structure of the search space.
NMR Reciprocity: A Simple(r) Description

In the context of NMR spectroscopy and MRI, the principle of reciprocity provides a convenient method for determining the reception sensitivity from the transmitted rf field pattern. The reciprocity principle for NMR was originally described by Hoult et al. [J. Magn. Reson. (1976),24, 71], and can be seen as being based on the broader Lorentz reciprocity principle, and similar theorems from antenna theory. One particular implication of the reciprocity principle is that if a single coil is used for both transmission and detection, the two fields can be assumed to be equal. This aspect is also where some of the conceptual difficulty of applying the theorem may be encountered. For example, the questions of whether one should use the complex conjugate field for detection, or whether one should apply the theorem in the rotating frame or the laboratory frame are often where considerable confusion may arise, and incorrect results may be derived. We attempt here to provide a simple discussion of the application of the reciprocity principle in such a way as to clarify some of the confounding questions. In particular, we avoid the use of the `negatively rotating frame', which is frequently mentioned in this context, since we consider it to unnecessarily complicate the matter. In addition, we also discuss the implications of the theorem for magnetic resonance experiments on conducting samples, and metals, in particular.
Face Image Retrieval with HSV Color Space using Clustering Techniques

— The main objective of this paper is to classify the face images using HSV color features and an image retrieval system (CBIR) is presented which can retrieve facial images from the extracted facial features. The primary principle of CBIR in retrieving the face images is to retrieve almost all relevant images as well as to minimize the number of irrelevant images. This can be achieved with the help of clustering algorithm. When a query image is searched, the first step is determining the nearest cluster and the second step involves the computation of the distances between the query image and the target images assigned to the corresponding cluster. Finally, images that are similar to the query image are retrieved and displayed. The experiment result is compared with Euclidean distance metric where the clustering technique produces accurate image retrieval and better classification of images.
Alleviation of Cisplatin-induced Toxicities by Encapsulation IntoLiposomes in the Absence or Presence of GinkgoBiloba.

Over the last three decades, cisplatin has been one of the most effective cytotoxic agents, but its administration has been hindered by its nephrotoxicity, neurotoxicity, myelotoxicity, and retinal toxicity. Recently, liposomal cisplatin has been formulated and tested thoroughly in preclinical studies (in vitro). Experiments on animals showed that liposomal cisplatin is less toxic than cisplatin while keeping its anti tumor function.Antioxidants are intimately involved in the prevention of cellular damage by means of reducing the adverse effects of reactive oxygen and reactive nitrogen species on the biochemical processes in the body, hence, they play an important role in the protection and defense mechanisms of the body. This study aims to reduce the adverse effects of cisplatin on the blood and the electroretinogram (ERG) of rabbits through the administration of liposomal cisplatin and by liposomal cisplatin combined with Ginkgo bilboa(G.b) . To achieve this goal, 36 albino rabbits were used and were divided into 6 groups, the first group didn't receive any treatment (control group), the second was given Ginkgo biloba only, the third one was administrated with IP cisplatin only, and the fourth was given oral Ginkgo biloba plus IP cisplatin. The fifth and sixth groups were administrated with liposomal cisplatin and liposomal cisplatin plus Ginkgo biloba respectively. Our results indicate that there was a reduction of some hematological parameters and ERG waves after the administration of cisplatin, while these values reached comparable values to the control level in the fifth and sixth groups. (Elawady A Ibrahim, Medhat W. Ismail, Hossam S. Kareem. Alleviation of Cisplatin-induced Toxicities by Encapsulation IntoLiposomes in the Absence or Presence of GinkgoBiloba. Journal of American Science 2011; 7(10):346-356). (ISSN: 1545-1003). http://www.americanscience. org.