Abstract Environmental risks are one of the greatest threats in twenty-first century. Especially last years, cascading impacts and associated with such events have received great attention as economic losses consequences mounted their wake. As concerns about these ripple effects rising, strategies to prevent manage indirect urgent demand. However, currently barely considered most countries can ...

The current Internet is not well suited for the transmission of high quality video such as MPEG-2 because of severe quality degradation during network congestion episodes. One possible solution is the combination of layered video coding with the Differentiated Services (DiffServ) architecture; different video layers are mapped into different priority levels, and packets with different prioritie...

Cross layering, the disregard of the well established layered architecture, attract current investigations in protocol design. This report gives a short overview about recent trends. We will examine possible concepts of cross layering, their problems in general as well as their chances based on an example.

This paper reports on a software tutorial designed according to minimalist principles. The design extends minimalism beyond paper-based instructions to computer-based interface, and adopts a user-initiated layering technique to display relevant information. Evaluation confirms minimalist theory and shows that layering helps to alleviate some of the design tension between supporting learning and...

Browsing the web involves two main tasks: finding the right web page and then making sense of its content. A significant amount of research has gone into supporting the task of finding web resources through ‘standard’ information retrieval mechanisms, or semantics-enhanced search. Much less attention has been paid to the second problem. In this paper we describe Magpie, a tool which supports th...

The Extensible Markup Language (XML) is based on the concept of schema languages, which are used for validation of XML documents. In most cases, the metamodeling view of XML-based application is rather simple, with XML documents being instances of some schema, which in turn is based on some schema language. In this paper, a metaschema layering approach for XML is presented, which is demonstrate...