Research shows a positive relationship between self-directed learning (SDL) andreading comprehension. The present quasi-experimental study attempted to expandthe scope of SDL by investigating its effect on the components of readingcomprehension. Sixty high school students took the reading comprehension part ofPET as the pretest and the posttest. Over 16 weeks, the experimental group,consisting ...

In this paper, the problems of control and stabilization of switched nonlinear cascade systems is investigated. The so called simultaneous domination limitation (SDL) is introduced in previous works to assure the existence of a common quadratic Lyapunov function (CQLF) for switched nonlinear cascade systems. According to this idea, if all subsystems of a switched system satisfy the SDL, a CQLF ...

This paper formalizes the manner in which statistical disclosure limitation (SDL) hinders empirical research in economics. We also highlight a hitherto unappreciated advantage of SDL, formal privacy models, and synthetic data systems: they can serve as a defense against model overfitting and false-discovery bias. More specifically, a synthetic data validation system can – and we argue should – ...

Recombination decreases the association of linked nucleotide sites and can influence levels of polymorphism in natural populations. When coupled with selection, recombination may relax potential conflict among linked genes, a concept that has played a central role in research on the evolution of recombination. The sex determination locus (SDL) of the honeybee is an informative example for explo...

Web In this paper we have developed the ontology for Specification and Description Language (SDL), an object-oriented, formal language defined by ITUT as recommendation Z.100. The language is intended for the specification of realtime complex and concurrent applications that communicate using discrete signals. SDL formal model bridges the gap between ideas in our minds and the actual implementa...

This paper describes the use of the specification and description language (SDL) as a prototyping tool for a developing low rate wireless personal area network protocol. A simplification of the guidelines for protocol formalization using SDL is used to create a behavioral model. This behavior model is then hand-tested for protocol behavior using software tools that permit simulation of the SDL ...

A new version of SDL called SDL-2000 is currently reaching maturity, and is expected to pass the standardization bodies shortly. It will offer new features as object-oriented data types, simplify and unify concepts of previous language versions and provide an alignment with UML. Due to the significant changes to SDL it was necessary to define a new formal semantics for SDL. Abstract State Machi...

The Specification and Description Language (SDL) is a domain specific language that is well-established in the telecommunication sector since many years, but only a small set of SDL tools is available. In contrast, for the Unified Modeling Language (UML) a wide range of different kinds of tools can be used for various purposes, such as model transformation. In order to makes it possible to spec...

SDL is a graphical language, standardized under the Z.100 recommendation, widely used to represent telecommunication systems, process control and real-time applications in general. In this paper we have three objectives, first present an algorithm that allows the transformation of a DEVS specification to an SDL specification. Second we present a XML representation for the SDL language; this XML...

This paper gives a contribution in the efforts of Semantic web ontology development. We have developed the core ontology for Specification and Description Language (SDL), an object-oriented, formal language defined by the International Telecommunications Union Telecommunications Standardization Sector (ITU-T) as recommendation Z.100. The language is intended for the specification of complex, ev...