| 1999 | Characterisation of implication operators in fuzzy rule based systems from basic properties. | Oscar Cordn, Francisco Herrera, Antonio Peregrn |
| 1999 | Learning queries for a fuzzy information retrieval system by means of GA-P techniques. | Oscar Cordn, Flix de Moya-Anegn, Carmen Zarco |
| 1999 | Decision support system based on fuzzy knowledge applied to a software factory. | Flix Chamorro, Fernando Garca, Araceli Sanchis, Jos Manuel Molina |
| 1999 | On a similarity ratio. | Elena Castieira, Susana Cubillo, Enric Trillas |
| 1999 | Fuzzy path tracking of autonomous vehicles using GPS. | ngel Rodriguez Castao, Guillermo Heredia, Anbal Ollero |
| 1999 | Lgica borrosa e interpretacin correspondentista de la teora semntica de la verdad de Tarski. | Mara Teresa Casparri, Pablo S. Garca, Luisa L. Lazzari |
| 1999 | Contradiction sensitive fuzzy model-based adaptive control. | Pablo Carmona, Jose Manuel Zurita |
| 1999 | A language for expressing expert knowledge using fuzzy temporal rules. | Purificacin Cariena, Alberto Bugarn, Manuel Mucientes, Senn Barro |
| 1999 | Real time navigation of autonomous robot with fuzzy controller and ultrasonic sensors. | Oscar Calvo, Gonzalo Rodrguez, Rodrigo Picos |
| 1999 | Balancing property of fuzzy measures. | Tomasa Calvo, Javier Martn, Gaspar Mayor, Joan Torrens |
| 1999 | Distance aggregation operators. | Tomasa Calvo, Radko Mesiar |
| 1999 | Contextos ponderados. | Ana Burusco, Ramn Fuentes-Gonzlez |
| 1999 | Una estructura ordenada en operadores de la morfologia matematica. | Pedro J. Burillo, No Frago, Ramn Fuentes-Gonzlez |
| 1999 | Cuts, slices and computability. | Rafael Morales Bueno, Jos-Luis Prez-de-la-Cruz, Francisco Triguero Ruiz, Ricardo Conejo |
| 1999 | Fuzzy deductive reasoning and analogical scheme. | Bernadette Bouchon-Meunier, J. Delechamp, Christophe Marsala, Radko Mesiar, Maria Rifqi |
| 1999 | A new semantics for the division of fuzzy relations in relational databases. | Patrick Bosc, Olivier Pivert |
| 1999 | Knowledge based supervised classification: an application to image processing. | Amel Borgi, Herman Akdag |
| 1999 | Typicality based on soft aggregations in fuzzy object oriented databases. | Gloria Bordogna, Gabriella Pasi |
| 1999 | Representations and constructions of strongly linear fuzzy orderings. | Ulrich Bodenhofer |
| 1999 | Implementation of an inference engine for fuzzy databases. | Ignacio J. Blanco, Juan C. Cubero, Fernando Cuenca, Olga Pons |
| 1999 | Characterization of commonotone aggregation operators. | Pietro Benvenuti, Doretta Vivona, Maria Divari |
| 1999 | A link-pruning algorithm for neural networks. | Jos Manuel Bentez, Juan Luis Castro, Carlos Javier Mantas |
| 1999 | Knowledge based evaluation of knowledge bases. | Joaqun Caada Bago, Luis Magdalena |
| 1999 | Triangular norms on the real unit square. | Bernard De Baets, Radko Mesiar |
| 1999 | Systems of ordinal fuzzy logic with application to preference modelling. | Bernard De Baets, Francesc Esteva, Jnos C. Fodor, Llus Godo |