Miracle-dz/UniFAR-FTUs huggingface dataset:
Various heuristic algorithms to minimise the two-page crossing numbers of graphs

Abstract We propose several new heuristics for the twopage book crossing problem, which are based on recent algorithms for the corresponding one-page problem. Especially, the neural network model for edge allocation is combined for the first time with various one-page algorithms. We investigate the performance of the new heuristics by testing them on various benchmark test suites. It is found out that the new heuristics outperform the previously known heuristics and produce good approximations of the planar crossing number for severalwell-known graph families. We conjecture that the optimal two-page drawing of a graph represents the planar drawing of the graph.
Misconduct accounts for the majority of retracted scientific publications

A detailed review of all 2,047 biomedical and life-science research articles indexed by PubMed as retracted on May 3, 2012 revealed that only 21.3% of retractions were attributable to error. In contrast, 67.4% of retractions were attributable to misconduct, including fraud or suspected fraud (43.4%), duplicate publication (14.2%), and plagiarism (9.8%). Incomplete, uninformative or misleading retraction announcements have led to a previous underestimation of the role of fraud in the ongoing retraction epidemic. The percentage of scientific articles retracted because of fraud has increased ∼10-fold since 1975. Retractions exhibit distinctive temporal and geographic patterns that may reveal underlying causes.
Finite element analysis of MEMS square piezoresistive accelerometer designs with low crosstalk

The investigation in this paper involves Final Element Analysis (FEA) of piezoresistive accelerometer designs. Three different configurations of MEMS based accelerometer has been made and analysed using COMSOL Multiphysics. The designs presented in this paper consist of a square shaped proof mass with flexures supporting it. Different position and varied number of supporting flexures attached to the proof mass makes each configuration distinct. The piezoresistors are placed near the proof mass and frame ends on the flexure. In all three configurations the piezoresistors are placed and connected so as to minimize crosstalk.
Earnings management and idiosyncratic risk − evidence from the post-Sarbanes-Oxley Act period

This paper studies the relationships existed between earnings management and idiosyncratic risk. It is noted that idiosyncratic risk is positively associated with earnings management, while idiosyncratic risk is negatively (positively) associated with accrual-based earnings management in the Sarbanes-Oxley Act (global financial crisis) period. These results, however, may reverse when they are measured employing the real earnings management. Further, the result proves that market share shirking is the justification to induce managers to switch their earnings management method from real-based to the accrual-based during the global financial crisis period.
HNV Farming in the Area of the Radan Mountain and the Role of Agri-Environment Payments

EU CAP reform after 2013 envisages strengthening of agri-environment measures of support, tailored to local specificities, in particular HNV areas and Natura 2000 cites. Additional support would be directed to the development of local markets, promotion of quality local products (including organic) and regional development initiatives. Concept of high nature value farming (HNV farming) is interesting for Serbian agriculture, having in mind the vast areas of mountain pastures and meadows and numerous protected areas as well as the opportunity of using IPARD funds to pilot HNV farming support measures. The analysis of agricultural resources and biodiversity in the area of the Radan Mountain points out significant potentials for HNV farming, but also severe socio- economic and infrastructural constraints that lead to land abandonment and degradation of valuable natural resources. Agri-environment payments, in parallel with infrastructure and rural diversification support measures will contribute to economic viability of HNV farms and rural communities.
Implications of Managerial Reengineering on Change Management

Nowadays, due to competition focused on price, delivery times and quality, companies increasingly emphasize added value through fulfillment of customer requirements and expectations and increased organizational flexibility. Generating added value requires fulfillment of market demands, and a structure based on processes. Accordingly, the company has to focus on these processes. Not all organizational processes are value related, but only those whose results the clients are ready to pay accordingly. As a result of changes in business environment (such as increasing globalization, changes in economic structure due to ascendence of services and developments in information technology) companies requires new ways to do business. One way is to develop human resources. In this case, well trained employees are needed, capable of performing a wide range of tasks. Another way is to adapt or transform to a knowledge sesitive organization, implementing knowledge based management. Finally, another way is to develop company’s capability to redesign added value processes, independent of current objectives and products or services. In this case, managerial reengineering is the logical step. This article details relationship between managerial reengineering and change management in several of the most well known reengineering approaches in literature.
Performing Under Pressure: Winning Customers Through Improvisation in Team Selling

ABSTRACT The sales presentation is one of the most challenging and dynamic aspect of the sales process. Often-times, the presentation is composed of teams. The purpose of this study is to examine how improvisation manifests itself in the context of the sales team presentation. Utilizing the theoretical foundations of team dynamics and relationships, unplanned behavior, and emotional intelligence, a model of sales team improvisation is developed. A two-phase research design was employed via qualitative in-depth interviews from buyers and sellers followed by a quantitative survey of experienced sales team professionals. Our results find that improvisation impacts the relationship between emotional intelligence and team presentation performance outcomes. Although team selling is common in practice, a dearth of research exists in the sales literature. This study contributes to the growing body of knowledge on team dynamics and emotion in selling. Additionally, this study is one of the first to specifically investigate improvisation in the high pressure context of sales team presentations.
Frequent Mutations of Chromatin Remodeling Gene ARID1A in Ovarian Clear Cell Carcinoma

Remodeling Gone Awry The identification of genes that are mutated at high frequency in human tumors can provide important clues to the molecular pathways that drive tumor growth, which in turn can potentially lead to more effective therapies. Jones et al. (p. 228, published online 9 September; see the cover) looked for such mutations in ovarian clear cell carcinoma, a rare but particularly lethal form of ovarian cancer. Of 42 tumors examined, 57% were found to harbor inactivating mutations in ARID1A, a gene coding for a subunit of the SWI/SNF chromatin remodeling complex, which functions as a master regulator of transcription factor action and gene expression. Thus, proteins associated with the epigenetic control of gene expression can contribute to the development of human cancer. Genetic analysis of a rare but aggressive form of ovarian cancer implicates a chromatin remodeling defect in disease development. Ovarian clear cell carcinoma (OCCC) is an aggressive human cancer that is generally resistant to therapy. To explore the genetic origin of OCCC, we determined the exomic sequences of eight tumors after immunoaffinity purification of cancer cells. Through comparative analyses of normal cells from the same patients, we identified four genes that were mutated in at least two tumors. PIK3CA, which encodes a subunit of phosphatidylinositol-3 kinase, and KRAS, which encodes a well-known oncoprotein, had previously been implicated in OCCC. The other two mutated genes were previously unknown to be involved in OCCC: PPP2R1A encodes a regulatory subunit of serine/threonine phosphatase 2, and ARID1A encodes adenine-thymine (AT)–rich interactive domain–containing protein 1A, which participates in chromatin remodeling. The nature and pattern of the mutations suggest that PPP2R1A functions as an oncogene and ARID1A as a tumor-suppressor gene. In a total of 42 OCCCs, 7% had mutations in PPP2R1A and 57% had mutations in ARID1A. These results suggest that aberrant chromatin remodeling contributes to the pathogenesis of OCCC.
Improved graphene growth and fluorination on Cu with clean transfer to surfaces

Wafer-scale, high-quality graphene growth, functionalization, and transfer to arbitrary surfaces are required to make the next generation of novel carbon-based nanoelectronics. To that end, we perform chemical vapor deposition of graphene on Cu and find that the Cu surface crystallography affects the graphene growth. Hexagonal, low-index Cu(111) gives high-quality, monolayer graphene at the fastest growth rate. High-index surfaces and Cu(100) give more multilayer, defective graphene. For fluorinated graphene, fluorine chemisorbs to graphene on high-index Cu facets before low-index surfaces, promoting tunable fluorine coverage and graphene bandgaps based on the Cu surface crystallography. Using atomic force microscopy, we confirm clean transfer of these graphene layers to arbitrary substrates with a poly(bisphenol A carbonate) support. Our improved graphene growth, functionalization, and transfer procedures enable the nanofabrication of layered graphene structures.
Mixed potential function for a class of memristive circuits

This paper recounts the idea of finding a mixed potential function which subsumes the dynamics of a memristor. The main belief in writing this paper is for continuing the theory of mixed potential function in relation to memristive circuits. In this paper we assigned a new state variables for memristive circuits. The capacitor and inductor has voltage and current as state variables. Therefor we define a new state variable as flux or charge for the memristive circuit. Especially in a case considering memristor in a circuit is a motivation to model the nonlinear circuit in the Brayton Moser form. By means of different class of nonlinear circuits the mixed potential has been constructed by a fine approach in light of first order, second order and third order circuits. This mixed potential function can be further used to prove the stability of circuits under certain conditions, by using theorems developed by Brayton and Moser.
Increasing the Brand Equity of Private Label Brands

This paper was developed to investigate the different factors affecting the Brand Equity of Private Label Brands and Perceived Value in the Egyptian market. 578 random shoppers in 26 branches all over Egypt completed questionnaire about their perception of different factors affecting Brand Equity. Brand Associations, Perceived Value and Brand Loyalty are considered the most important factors that affect the Brand Equity of Private Label Brands; However, Perceived Quality, Brand Image and Brand Awareness are considered to be the least effective factors. Demographics were found to be insignificant. Marketers should focus on the top three effective factors, which are Brand Associations, Perceived Value and Brand Loyalty in order to increase the Brand Equity of the Private Label Brands. The results will offer direction to marketers and decision makers, especially that Private Label Brands are increasing dramatically.
Financial management in SMEs

This is the first of a series of reviews for Small Enterprise Research that cover recently published research in the field of small business management and entrepreneurship. The focus of this review is on financial management in small to medium enterprises (SMEs), in particular working capital and cash flow management. A total of 18 papers published in the past 12 months are reviewed summarising their methodology, findings and implications for research, education, policy and practice. The papers are grouped into four categories. The first are those that provide an overall examination of the nature of SME financing. The second are those that focus on the relationship between working capital management and profitability in SMEs. The third group encompass studies of how owner-managers undertake the management of working capital, specifically in developing economies. The fourth group examines the relationship between financial management and growth within SMEs.
Analysis and evaluation of dancing movement based on LMA

The final goal of this research is to extract characteristic poses as well as highlight parts from data of dancing movement obtained by motion capturing technique. For this, the theory of Laban movement analysis (LMA) has been applied, and the physical feature values corresponding to the LMA components are defined. By observing the change over time of these feature values, body movements corresponding to the LMA components are extracted. In this paper we mainly focus on effort and shape components of LMA. Results have been compared with those which have been extracted by a LMA specialist.
Bricks or clicks? Understanding consumer usage of retail mobile apps

Mobile apps represent an emergent self-service technology that has greatly contributed to the rise of mobile shopping. However, the existing services and marketing literature offer little insight on consumer app usage. Further, little is known about how this app usage might affect important outcomes such as consumers’ intentions to use and recommend an app, their channel preferences (in-store vs app), or their purchasing behavior with the app. Thus, the purpose of this research is to examine if, and how, consumers’ actual experiences using retailers’ apps affected these outcomes. ,Data were collected from a series of online surveys of adult consumers based on their prior experiences with retailers’ apps. The hypothesized relationships were tested using regression analyses. ,Results highlight perceived ease of use as a critical app attribute that fosters consumers’ personal connections to apps. These connections in turn influence their purchase channel preferences (app vs in-store) and actual purchasing behavior with the app, as well as their future intentions to purchase with the app and recommend it to others. App usage frequency is shown to moderate these effects. ,The findings provide needed managerial insight into consumer usage of brick-and-click retailers’ apps. Specifically, the results inform service providers’ mobile commerce strategies – particularly with respect to app design, channel management and customer segmentation. Future opportunities exist to explore and compare consumer usage of other types of service providers’ apps, such as “pure play” providers that do not have physical stores. ,This research moves beyond initial app adoption to instead focus on consumers’ actual app usage experiences and their implications. Of note, the findings suggest that firms may be paradoxically driving consumers away from their physical stores as they continue to devote considerable resources to creating and providing customers with easy-to-use mobile apps.
Ozone therapy effects on biomarkers and lung function in asthma.

BACKGROUND The relationship and behavior of serum immunoglobulin E (IgE) level, peripheral blood mononuclear cell (PBMC) human leukocyte antigen DR (HLA-DR) expression and erythrocyte glutathione antioxidant pathway in asthma patients treated with systemic ozone therapy have not been studied before. METHODS Asthma patients were treated about 1 year with three cycles (5 or 6 months each) with three different ozone therapy protocols. Ozone major autohemotherapy (MAHT) was applied at doses of 4 and 8 mg, 15 sessions each cycle; and ozone rectal insufflations (RI) at a dose of 10 mg, 20 sessions each cycle. Serum IgE, HLA-DR expression in PBMC and biomarkers for antioxidant pathway were measured before and at the end of each cycle. Lung function and symptoms test were recorded at the beginning and after the third cycle. RESULTS IgE and HLA-DR decreased with the three types of treatments, while increments in reduced glutathione, glutathione peroxidase, glutation reductase and glutathione S-transferase were achieved with all treatments. Lung function and symptoms test were markedly improved. However, in all parameters the best response was obtained in the order: MAHT at 8 mg better than MAHT at 4 mg better than RI at 10 mg. Before ozone treatment, glutathione antioxidant parameters were under the normal reference values, suggesting the occurrence of oxidative stress associated with atopic asthma. CONCLUSIONS This study demonstrates the effectiveness of ozone therapy in reducing IgE and inflammatory mediators along with the induction of antioxidant elements. The study raises the role of systemic ozone therapy in atopic asthma by means of its immunomodulatory and oxidative stress regulation properties.
Phase I study of the anti-CD74 monoclonal antibody milatuzumab (hLL1) in patients with previously treated B-cell lymphomas

Milatuzumab (hLL1), a humanized anti-CD74 monoclonal antibody, has activity in preclinical non-Hodgkin lymphoma (NHL) models. We conducted a phase 1 trial in previously treated B-cell malignancies. Dose escalation included four planned dose levels (1.5, 4, 6 and 8 mg/kg) with milatuzumab given twice weekly for 6 weeks. After dose level 1, the schedule was changed to daily (Monday–Friday) for 10 days. Twenty-two patients were treated. The most common possibly related toxicities were infusion reaction, anemia, lymphopenia, neutropenia and thrombocytopenia. Three patients experienced dose-limiting toxicity (neutropenia, neutropenia, rash) at dose levels 1, 2 and 4, respectively. Eight patients had stable disease, with no objective responses. The serum half-life of milatuzumab was ∼2 h. In seven patients, In-111 imaging showed no clear evidence of tumor targeting. The short half-life may reflect CD74 rapid internalization and presence on extratumoral tissues; this antigen sink must be overcome to capitalize on the promising preclinical activity of the drug.
Binary Soliton-Like Rateless Coding for the Y-Network

For the binary erasure channel, Luby Transform (LT) and Raptors codes have been shown to achieve capacity by carefully designed degree distributions for multicasting scenarios. Generalizing fountain codes to multihop networks requires transport nodes to perform network coding (NC). However, if intermediate nodes perform decentralized NC blindly, the statistical properties imposed by the fountain code are lost, and thus, a Gaussian elimination decoder must be used at the sink at the cost of significant increase in complexity compared to a belief propagation (BP) decoder. Addressing this problem, in this paper, we propose a new protocol, namely Soliton-like rateless coding (SLRC), by exploiting the benefits of fountain coding and NC coding over a Y-network. Ensuring key properties of the fountain code are preserved; BP can be effectively applied when transport nodes perform NC. Additionally, the proposed coding protocol is resilient to nodes churn rates. The SLRC scheme is evaluated against buffer-and-forwarding, and the distributed LT (DLT) codes; SLRC exhibits a 5% reduction in overhead compared to the state of the art DLT code at high decoding success rates. Simulations show that the proposed scheme preserves the benefits of NC and fountain coding.
A K-band UWB receiver front-end with passive mixer in 90 nm CMOS

This paper presents a K-band UWB RF receiver front-end implemented in 90 nm CMOS technology. The receiver is based on a quadrature direct down-conversion architecture for non-coherent pulse detection. The receiver prototype chip includes LNA, quadrature passive mixers, quadrature voltage controlled oscillator and buffers. To ensure wideband operation throughout the receiver chain, inter-stage matching is necessary. By utilizing the impedance frequency up-conversion of the passive mixers, an on-chip series inductor provide a very wideband matching for the LNA output. Measurements of the receiver show a -3 dB bandwidth of 5.4 GHz with a voltage conversion gain of 10 dB and a measured power consumption of 38 mW.
The reactions of Lucilia sericata (Mg.) to various substances placed on sheep

1. The reactions, under field conditions, of Lucilia sericata (Mg.) to various substances placed on sheep are described. 2. Attempts to produce either attraction or oviposition by placing cystine or cysteine hydrochloride in the living fleece gave negative results. 3. Several organic sulphur compounds (see Table 1) of a type which might arise from the breakdown of cystine have been tested. All showed some power of attraction for L. sericata. Ethyl mercaptan and dimethyl disulphide were the most powerful as attractants, but none of these substances was able to induce oviposition. 4. Tests with ammonium compounds and carbon dioxide have shown that, at the concentrations used, ammonia acted as an attractant. For oviposition to occur carbon dioxide had to be present. 5. Hydrogen sulphide was detected as a constituent of the fleece atmosphere of certain sheep. This substance, whilst having no attractive powers when used alone on sheep, increased the attractiveness of organic sulphur compounds. 6. Comparative tests with.ammonium carbonate-indole and ammonium carbonate-ethyl mer-captan mixtures have shown marked variations in the relative powers of these preparations to induce oviposition. 7. A distinction is drawn between stimuli which attract L. sericata to sheep and those which induce oviposition. Ammonia and various organic sulphur compounds enhanced attraction, but both ammonia and carbon dioxide were necessary for oviposition. It is suggested that some of these materials may be produced under natural conditions from the break-down of fleece keratin or by the bacterial decomposition of sweat and similar products in the fleece.
Zero-if second harmonic SiGe mixer with DC offset cancellation

In this work, a new SiGe mixer circuit topology operating with the second harmonically pumped mixing technique is proposed. The proposed circuit is developed for to be used in IC receivers which use Zero-IF mixers at their front ends. The Analysis of the circuit is performed and the appropriate operation conditions for second harmonically pumped mixing are investigated. The topology is quite suitable for the wide band applications and has a unique mechanism to prevent the LO to RF leakage which results in DC offset at the output. Simulations are performed and according to the simulation results, 21dB of conversion voltage gain is obtained within 2-12 GHz RF range while the DC voltage component at the output stays more than 80dB below the IF component.