Text categorization (also known as text classification, or topic spotting) is the task of automatically sorting a set of documents into categories from a predefined set. This task has several applications, including automated indexing of scientific articles according to predefined thesauri of technical terms, filing patents into patent directories, selective dissemination of information to info...

This article illustrates the application of the Gaia methodology to the development of a system for Selective Dissemination of Information on the Web, as well as the integration of Gaia with AUML. This allows a concrete design closer to implementation and the developer offers a better insight into the multiagent system that is being built. Gaia is an agent-oriented organisational methodology th...

XML stream processing has recently become popular for many applications such as selective dissemination of information. Several approaches have been proposed and most of them are based on the idea of finite automata. Different from these approaches, this paper presents a novel and efficient method for evaluating XPath with predicates on XML streaming data. For linear XPath expressions, our appr...

RDF Site Summaries constitute an application of RDF on the Web that has considerably grown in popularity. However, the way RSS systems operate today limits their scalability. Current RSS feed arregators follow a pull-based architecture model, which is not going to scale with the increasing number of RSS feeds becoming available on the Web. In this paper we introduce G-ToPSS, a scalable publish/...