Web business can help companies strengthen the links between customers and suppliers. Under this environment, individual customers are getting much smarter and their needs are changing much faster than ever before. The customers can compare products and services with a variety of rich information provided from Web business systems, so that they can easily move to new products or services. Accor...

Users require applications to help them obtaining knowledge from the web. However, the speci c characteristics of web data make it di cult to create these applications. One possible solution to facilitate this task is to extract information from the web, transform and load it to a Web Warehouse, which provides uniform access methods for automatic processing of the data. Web Warehousing is conce...

In this chapter we describe WSDM, an audience-driven Web design method. WSDM was one of the first Web design methods and different from the other methods because of its audience-driven approach. Now the method is adapted to the use of Semantic Web technology and support the generation of semantically annotated web sites and web applications.

While introducing the HTML standard to present information on the World Wide Web, the importance of being able to express the deep structure and meaning of the information was neglected. This has lead to some of the limitations of the current web (e.g. its restricted query possibilities). Work has started in the domain of the semantic web which tries to solve this problem by annotating web page...

The use of semantic web languages brings a number of advantages for web engineering methodologies. In this paper we present how in the Hera methodology the design models benefit from description in semantic web languages. We describe how the important models are expressed and how the corresponding meta-models are defined. This is illustrated for the Application Model that specifies the hypermed...

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Abstract The present study intended, firstly, to investigate the effect of web-integrated instruction on self-regulated learning ability in EFL writing, and secondly, to compare and contrast the effects of paper-based feedback and web-assisted feedback on the self-regulated learning ability. To this end, a quasi-experimental design was applied for both cases. In line with the first objective, ...

As Web sites become an increasingly important component of firms’ customer service systems, there is a need for research aimed at understanding their roles, functionalities, and effective design. Using a multi-method design, we propose and validate a descriptive taxonomy of customer needs amenable to online fulfillment. We then propose, and offer preliminary validation of, a five-stage model fo...

This article presents a novel visualization approach for dynamic graphs, the versinus method, specially useful for real world networks exhibiting free-scale properties. With a simple and fixed layout, and a small set of visual markups, the method has been useful for understanding network dynamics. Local community often suggests that it be reported, which motivated this article. Online resources...

We report research and development work with STEP (Secondary Teacher Education Project) Web, an innovative and complex web site designed to support learning through facilitated video case discussions in secondary teacher education programs. The goal of instruction with STEP is to help pre-service teachers acquire useful scientific knowledge about cognitive psychology and other learning sciences...