In this paper the approach to solving several combinatorial optimization problems using the local search and the genetic algorithm techniques is proposed. Initially this approach was developed in purpose to overcome some difficulties inhibiting the application of above mentioned techniques to the problems of the Questionnaire Theory. But when the algorithms were developed it became clear that t...

designing wireless sensor networks should meet appropriate parameters such as quality of service (qos) defined by different users. the variable physical conditions of the environment, processing and transmission power limitations and limited communication capabilities are the most important obstacles that influence qos parameters such as throughput, delay, reliability and network lifetime. the ...

OBJECTIVE To identify the content area for a questionnaire designed to measure vision-targeted health-related quality of life and to determine whether problems with vision-related functioning are qualitatively similar across different common eye diseases. DESIGN Twenty-six condition-specific focus groups were conducted with 246 patients from 5 geographic regions to identify the content area f...

BACKGROUND AND PURPOSE In the last 10 years, stroke has become a medical emergency. Subsequently, early recognition of stroke symptoms and rapid activation of the medical system are essential. We sought to investigate what witnesses or victims of an acute stroke syndrome recognize and report in the actual situation. METHODS We analyzed the recordings of all patients admitted to our stroke uni...

<p>Due to the competitive Malaysian residential market with a large number of projects that offered almost similar features lead difficulties purchasing among homebuyers. These days, homebuyers are very selective, careful, and required more time in deciding due high numbers abundant, problem Malaysia. As result, unsold were reported. Therefore, understanding homebuyer criteria purchase is...

Statistical techniques as applied to toxicological data are discussed. Issues concerning statistical hypothesis testing and combining studies are considered as well as design of experiments. The problems surrounding risk assessment are also mentioned.