This book constitutes the refereed proceedings of the 18th Conference of the Spanish Association for Artificial Intelligence, CAEPIA 2018, held in Granada, Spain, in October 2018. The 36 full papers presented were carefully selected from 240 submissions. The Conference of the Spanish Association of Artificial Intelligence (CAEPIA) is a biennial forum open to researchers from all over the world to present and discuss their latest scientific and technological advances in Antificial Intelligence (AI). Authors are kindly requested to submit unpublished original papers describing relevant research on AI issues from all points of view: formal, methodological, technical or applied.

El Grupo de Estudios Linguisticos Regionales (GELIR), adscrito a la Universidad de Antioquia (Medellin-Colombia) recopila en este volumen los resultados de catorce investigaciones sobre fenomenos linguisticos realizadas en el ambito colombiano. Todas ellas cuentan con el rigor academico que supone abordar los estudios sobre las lenguas y pretenden dar a conocer a la comunidad academica los avances, intereses y posibilidades futuras de trabajos en red con otros grupos academicos.