In this paper we describe Racer, which can be considered as a core inference engine for the semantic web. The Racer inference server offers two APIs that are already used by at le...
The use of controlled structured vocabularies for annotation purposes, such as the Gene Ontology (GO) is currently one of the strategies to cope with the increasingly cumbersome t...
The goal of this research is to lay the foundations for a formal theory , that abstracts from the procedural and interactive aspects involved in the generation of dramatic content....
To date, the majority of Web search engines have provided simple keyword search interfaces that present the results as a ranked list of hyperlinks. More recently researchers have b...
In this paper, we design recommender systems for weblogs based on the link structure among them. We propose algorithms based on refined random walks and spectral methods. First, w...