Editorial (pp. 3–4)

1.

David Sundgren, Alexander Karlsson (Sweden)

Uncertainty Levels of Second-Order Probability (pp. 5–11; abstract)

2.

Chaman L. Sabharwal, Jennifer L. Leopold, Douglas McGeehan (USA)

Triangle-Triangle Intersection Determination and Classification to Support Qualitative Spatial Reasoning (pp. 13–22; abstract)

3.

Irosh Fernando, Frans A. Henskens (Australia)

ST Algorithm for Medical Diagnostic Reasoning (pp. 23–29; abstract)

4.

Guida Gomes, Henrique Vicente, Joaquim Macedo, Victor Alves, José Neves (Portugal)

A Logic Programming Approach to the Conservation of Buildings Based on an Extension of the Eindhoven Classification Model (pp. 31–38; abstract)

5.

Juan Carlos Nieves, Helena Lindgren (Sweden)

Merging Deductive and Abductive Knowledge Bases: An Argumentation Context Approach (pp. 39–46; abstract)

6.

Nibaldo Rodriguez, Lida Barba, Jose Miguel Rubio L. (Chile, Ecuador)

Multiscale RBF Neural Network for Forecasting of Monthly Hake Catches off Southern Chile (pp. 47–53; abstract)

7.

Borja Ponte, David de la Fuente, Raúl Pino, Rafael Rosillo, Isabel Fernández (Spain)

Supply Chain Management by Means of Simulation (pp. 55–60; abstract)

8.

Melanie Neunerdt, Michael Reyer, Rudolf Mathar (Germany)

A POS Tagger for Social Media Texts Trained on Web Comments (pp. 61–68; abstract)

9.

Grigori Sidorov (Mexico)

N-gramas sintácticos no-continuos (pp. 69–78; abstract)

10.

István Endrédy, Attila Novák (Hungary)

More Effective Boilerplate Removal - the GoldMiner Algorithm (pp. 79–83; abstract)

Journal Information and Instructions for Authors (p. 85)