To what extent can design patterns be turned into reusable, off-the-shelf components, taking advantage of advanced language features? We reviewed the patterns described in the book Design Patterns by Gamma et al. [5], and established a new classification of these patterns by level of “componentizability” (possibility to transform a design pattern into a reusable component) [1]. This article rep...

There is an undeniable demand to capture already proven and matured object-oriented design so that building reusable object-oriented software does not always have to start from scratch. The term design pattern emerged as buzzword that is associated as a means to meet that goal. Already existing approaches such as the catalog of design patterns of Erich Gamma et al. [5, 6] and Peter Coad’s objec...

Pattern languages are well-established in the software architecture community. Many different aspects of creating a addressed by such languages. Thus, several pattern have to be considered when building particular architecture. But these isolated, i.e. it is hard determine relevant patterns applied from Moreover, sum may huge, restriction desirable. In this contribution we envision an encompass...

conclusions our findings reveal that there are temporal variations in traffic accidents, and long holidays significantly influence accident rates. traffic injuries have different patterns on outer/inner city roads, based on weekday and holiday status. thus, these findings could be used to create effective initiatives aimed at traffic management. materials and methods all road traffic accidents ...

background : in the current study, pattern of substance abuse among adolescence and early adulthood that have experienced one or more substances was assessed, and also parental support, religiosity, and locus of control were measured. methods : this cross-sectional study was conducted in hamadan city, iran in 2006. all subjects were selected from hama­dan city (urban area), iran based on snowba...