A reference software architecture for a domain defines the fundamental components of the domain and the relations between them. Research has shown the benefits of having a referen...
This paper describes a programming-by-demonstration system, called Internet Scrapbook, which allows users with little programming skill to automate repetitive browsing tasks. With...
We present a web system architecture using ontologies to improve the behavior of the system from the performance viewpoint. Since web system performance indexes depend on state an...
One of the key components of current Web search engines is the document collector. This paper describes CoBWeb, an automatic document collector, whose architecture is distributed ...
Altigran Soares da Silva, Eveline A. Veloso, Paulo...
This paper reports results from a failure analysis (i.e., incorrect query construction) of 51,473 queries from 18,113 users of Excite, a major Web search engine. Given that many d...