Journal articles

• Juergen Dix, João Alexandre Leite and Ken Satoh, Introduction, Annals of Mathematics and Artificial Intelligence, Vol. 42, No. 1-3, Pag. 1-3, (url), 2004.
• Anastasia Analyti, Grigoris Antoniou, Carlos Viegas Damásio and Gerd Wagner, Negation and Negative Information in the W3C Resource Description Framework, Annals of Mathematics, Computing & Teleinformatics, Vol. 2, No. 1, Pag. 25-34, TEI Larissa, 2004.
• L. Granvilliers, Jorge Cruz and Pedro Barahona, Parameter Estimation Using Interval Computations, SIAM Journal on Scientific Computing (SISC), Vol. Special Issue on Uncertainty Quantification, 2004.