Welcome to TechScreen

Welcome to the TechScreen site. This side shall support the exchange of knowledge in the domain of Web Engineering and related aspects. As a side effect, this side is used for research on knowledge management technologies. User can pose challenges in the problem domain and can participate in quizzes. Further a bibliography about arcticles in different related domains is continously extended. Finally, questionnaires on different issues are provided. To be able to participate you need an account and a password from TU Wien's TISS system.

connecting value interface between actors in e3 value mapping

in e3 value mapping, use case maps are used to develop connection between value interfaces of two or more actors. two actors are connected through a straight scenario path, however, more than two actors can also be connected in e3 value mapping by use case maps.

how to store links for later use during writing a document

when i write a paper, during the research i often have the problem, that i find a link, which looks interesting and i am sure, i will use it in my paper. but were to store it, in some structured way? preferable within the used editor.

Sharing Internet via Mac OS Leopard to other computers

<p>This is probably a most frequent challenge for Mac users as many students in Vienna are using Internet connection form Chello at their home. It is not possible to several computers at the same time to connect to a modem. When using a Mac Computer, you may connect to the Internet only through ethernet slot. Moreover, you will need to register your computer's ethernet-ID with your provider (Chello) in order to access Internet. It is different when using Windows, where users can simply just install required modem driver to a computer.

Which semantic web technology tools are preferred/best for ontology development and reasoning?

How do we choose ontology editors and reasoners to develop ontologies for the semantic web? To date, there are a certain number of ontology editors and reasoners available but which ones to use is still a question to be addressed. Choosing the best from the available tools facilitates work and also enhances efficiency.

Creating a new Seam Web Project using Eclipse

<p>First of all, I would like to give you a short information about JBoss Seam. JBoss Seam is a powerful new application framework for building next generation Web 2.0 applications by unifying and integrating technologies such as Asynchronous JavaScript and XML (AJAX), Java Server Faces (JSF), Enterprise Java Beans (EJB3), Java Portlets and Business Process Management (BPM). Seam has been designed from the ground up to eliminate complexity at the architecture and the API level.

How to set up a PPTP VPN connection in Ubuntu

Different organizations use different VPN connection options such as SSL, PPTP or IPSEC. When you need to access corporate network and its services, you need to login using VPN. The Point-to-Point Tunneling Protocol (PPTP) is a method for implementing virtual private networks. It works on Data link layer (#2 layer) on TCP/IP model. That being said, I was unable to set up my laptop to connect to a PPTP VPN server. I have Ubuntu 8.10 installed on my laptop.

Installing JBoss Tools on Eclipse

<p>My aim is to figure out how should JBoss Tools be installed on Eclipse IDE. I guess probably most of you know already Eclipse IDE and possibly heard about JBoss Tools. As we are going to develop some Rich Internet Application, I need your advice for my statement.</p>

How to create profile in Firefox

I'm developing plugin for Firefox and since I don't want to mess up all my old stuff I would like to create new profile where I can try it and debug. Is it possible? tia

How to force Firefox to reload all plugins

I need firefox to reload plugin developed and installed by me. I don't want to uninstall and install it again, because it is not very comfortable. I'm sure there has to be way how to force Firefox to reload one or at least all installed plugins besides un/installation procedure. Can anyone help me?

rdf resource declaration

Data in the file is not written in the same order in which I need to process them. So my question is, whether should be all properties of one resource declared at one place (in one description tag) and thus whole file processed at once and only then created rdf. Or whether it is possible to add properties to previously declared resource anywhere in document during data processing?

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