The Standard Generalized Markup Language SGML and the Extensible Markup Language XML allow authors to better transmit the semantics in their documents by explicitly specifying the relevant structures in a document or class of documents by means of document type de nitions DTDs Several authors proposed to regard DTDs as ex tended context free grammars expressed in a notation similar to extended ...

Context-awareness is a requirement in many modern web applications. \Vhile most model-driven web engineering approaches have been extended vvith support for adaptivity, state-of-the-art dew lopment platforms generally provide only limited means for the specification of adaptation and often completely lack a notion of context. \Ve propose a domain-specific language for context-aware web applicat...

The context aware applications should focus on the Context adaptation, where the context change is reflected in the application, and the Content extension, where a new content of context is added without rebuilding the whole application. This paper defines Context Driven Component, which implements behaviors required by a context. An application is developed through composing the context driven...

because of the dispersion of activities in big cities, employing highways as the most important connecting way is indispensable. in today world, highways are connection arteries of cities transporting people to their social activities. because of continual use of highway, their walls prepare a context for conveying many social, cultural, economic, etc concepts. that is why most economic promoti...

0

This review surveys research on second language vocabulary teaching and learning since1999. It first considers the distinction between incidental and intentional vocabulary learning.Although learners certainly acquire word knowledge incidentally while engaged in variouslanguage learning activities, more direct and systematic study of vocabulary is also required.There is a discussion of how word...