In this paper, we describe a novel methodology that integrates the design of the (i) user interface; (ii) interaction logger; and (iii) log analyzer. It is based on formalizing, v...
This paper presents the participation of FEUP, from University of Porto, in the TREC 2008 Blog Track. FEUP participated in two tasks, the baseline adhoc retrieval task and the blo...
Abstract. Many groupware applications have been developed and continue being developed over white-box groupware platforms. These platforms have brought important contributions to t...
An approach to build a multi-class classifier is proposed in this paper. This approach consists of a derivation to show under which loss function an optimal classifier can be obtai...
We illustrate that Web searches can often be utilized to generate background text for use with text classification. This is the case because there are frequently many pages on the...