REISCH: incorporating lightweight and reliable algorithms into healthcare applications of WSNs

Healthcare institutions require advanced technology to collect patients' data accurately and continuously. The tradition technologies still suffer from two problems: performance and security efficiency. The existing research has serious drawbacks when using public-key mechanisms such as digital signature algorithms. In this paper, we propose Reliable and Efficient Integrity Scheme for Data Collection in HWSN (REISCH) to alleviate these problems by using secure and lightweight signature algorithms. The results of the performance analysis indicate that our scheme provides high efficiency in data integration between sensors and server (saves more than 24% of alive sensors compared to traditional algorithms). Additionally, we use Automated Validation of Internet Security Protocols and Applications (AVISPA) to validate the security procedures in our scheme. Security analysis results confirm that REISCH is safe against some well-known attacks

Auxiliary-field quantum Monte Carlo study of first- and second-row post-d elements

A series of calculations for the first- and second-row post-d elements (Ga-Br and In-I) are presented using the phaseless auxiliary-field quantum Monte Carlo (AF QMC) method. This method is formulated in a Hilbert space defined by any chosen one-particle basis, and maps the many-body problem into a linear combination of independent-particle solutions with external auxiliary fields. The phase/sign problem is handled approximately by the phaseless formalism using a trial wave function, which in our calculations was chosen to be the Hartree-Fock solution. We used the consistent correlated basis sets of Peterson and coworkers, which employ a small core relativistic pseudopotential. The AF QMC results are compared with experiment and with those from density-functional (GGA and B3LYP) and coupled-cluster CCSD(T) calculations. The AF QMC total energies agree with CCSD(T) to within a few milli-hartrees across the systems and over several basis sets. The calculated atomic electron affinities, ionization energies, and spectroscopic properties of dimers are, at large basis sets, in excellent agreement with experiment.Comment: 10 pages, 2 figures. To be published in Journal of Chemical Physic

Impact of corporate social responsibility disclosures on financial performance

The purpose of this study is to explore the impact of corporate social responsibility (CSR) disclosure on the financial performance of industrial companies operating in Australia. The study adopts a quantitative methodological approach. Using a statistical analysis technique, the study makes use of regression analysis to explore the relation between the independent variable (number of CSR achievements) and the dependent variable (average share price). The number of CSR achievements was extracted from annual reports using content analysis. The average share price was taken from the annual reports. The total sample is 10 industrial companies listed in Australian Stock Exchange (ASX), and the sample comprises 50 annual reports. The result of the analysis shows that overall there is positive relationship between CSR disclosure and the financial performance of listed Australian companies operating in the industrial sector of the economy. It is recommended that these companies pay more attention to their CSR disclosure, and view it to achieve better financial performance

Impact of corporate social responsibility disclosures on financial performance

The purpose of this study is to explore the impact of corporate social responsibility (CSR) disclosure on the financial performance of industrial companies operating in Australia. The study adopts a quantitative methodological approach. Using a statistical analysis technique, the study makes use of regression analysis to explore the relation between the independent variable (number of CSR achievements) and the dependent variable (average share price). The number of CSR achievements was extracted from annual reports using content analysis. The average share price was taken from the annual reports. The total sample is 10 industrial companies listed in Australian Stock Exchange (ASX), and the sample comprises 50 annual reports. The result of the analysis shows that overall there is positive relationship between CSR disclosure and the financial performance of listed Australian companies operating in the industrial sector of the economy. It is recommended that these companies pay more attention to their CSR disclosure, and view it to achieve better financial performance