Oreste Signore

Learn More
According to Nielsen (1990), “hypertext is non-sequential writing: a directed graph, where each node contains some amount of text or other information. The nodes are connected by directed links. In most hypertext systems, a node may have several out-going links, each of them is then associated with some smaller part of the node, called an anchor. When users(More)
Many of existing criteria for evaluating Web sites quality require methods such as heuristic evaluations, or/and empirical usability tests. This paper aims at defining a quality model and a set of characteristics relating internal and external quality factors and giving clues about potential problems, which can be measured by automated tools. The first step(More)
Evaluating web sites quality requires appropriate evaluation criteria. Many of existing criteria are not easy to measure and require methods such as heuristic evaluations, or/and empirical usability tests. This paper aims at defining a quality model and a set of characteristics that can be measured in an automated fashion, relating internal and external(More)
Universal access is a key principle for the web,however, it is sometimes inaccessible, as can present barriers to people with different kinds of disabilities. Designing for accessibility is a real quality issue, granting access to information to people having different cultures, traditions, facilities. We present a general description of accessibility(More)
According to Nielsen (1990), "hypertext is non-sequential writing: a directed graph, where each node contains some amount of text or other information. The nodes are connected by directed links. In most hypertext systems, a node may have several out-going links, each of them is then associated with some smaller part of the node, called an anchor. When users(More)