Representation of negotiations in electronic markets and their support are important issues in today's e-commerce research. Whereas most activities are focused on automation ...
Many websites have a hierarchical organization of content. This organization may be quite different from the organization expected by visitors to the website. In particular, it is...
Active learning is an e ective learning approach. In this paper, we present an intelligent agent assisted environment for active learning. The system is to better support studentc...
The World-Wide Web constitutes an activity space in which people set up and host places that are visited by others. To render web places such as homes, sites, and portals attracti...
This paper presents a guided tour system for the WWW. It is a module for the Webvise open hypermedia system that implements the ideas of trails and guided tours, originating from ...
XQForms is the first generator of Web-based query forms and reports for XML data. XQForms takes as input (i) XML Schemas that model the data to be queried and presented, (ii) decl...
The goal of this paper is to argue the need to approach the personalization issues in Web applications from the very beginning in the application's development cycle. Since p...
Daniel Schwabe, Gustavo Rossi, Robson Guimar&atild...
We discuss the problem of Web data extraction and describe an XML-based methodology whose goal extends far beyond simple "screen scraping." An ideal data extraction proc...