Despite the great potential of social network analysis (SNA) methods and visualizations for learning analytics in computer-supported collaborative learning (CSCL), these approaches have not been fully explored due to two important barriers: the scarcity and limited functionality of built-in...

The conversion of web services to semantic web comes the opportunity to automate various tasks. OWL-S plays a key role in describing web services behaviour. While ontology-based semantics given to OWL-S is structural rather than behaviourally oriented, we cannot automate an essential task in...

Research into privacy in web services based service-oriented environment gained attention in recent years. Business Transaction Level Data (TLD) privacy is important because in web services the interaction between the Service Provider and Service consumer is far more complicated than in the...

Over the last decade, system integration has grown in popularity as it allows organisations to streamline business processes. Traditionally, system integration has been conducted through point-to-point solutions – as a new integration scenario requirement arises, a custom solution is built...

This paper focuses on the challenges associated with composing and pricing web services. We present the results of an online experiment, where subjects were confronted with a variety of choices and decisions relating to web service markets and service composition. Our analysis shows that people...

Industry white papers are increasingly beingused to explain the philosophy and operation of aproduct in marketplace or technology context. Thisexplanation is used by senior managers for strategicplanning in an organization. This research exploresthe effectiveness of white papers and strategies...

Die vorliegende Arbeit ist in sechs Kapitel untergliedert.Das zweite Kapitel beschäftigt sich mit dem ökonomisch-theoretischen Teil derArbeit. Es stellt den Weg der Entwicklung des elektronischen Handels im Webund seine treibenden Faktoren sowie die existierenden Geschäftsmodelle vor.Die...

Modernios informacijos sistemos įgalino kompiuterizuoti verslo procesus. Didėjanti informacinių technologijų svarba paskatino ir dinamiškų verslo procesų kūrimą. Tačiau naudojant standartines interneto sistemų technologijas iškyla didelė problema - nepakankamas puslapių...

Web services are widely used in banking, finance, insurance, tourism, e-business sectors and so on. Web services have emerged only recently, so the issues are typical for new technologies: ideas had arisen on technological level, and methods for modeling and development are coming only later....

E-commerce has grown considerably in recent decades and has had a disruptive impact on the retail industry. In this context, Amazon, one of the major players in (online) retailing and beyond, has been able to expand its business activities continuously in many countries. The present case study...