ARIES is a large lexical database for Spanish language that includes a formalism for lexical representation and a morphological model for inflectional morphology. This model is based on allomorphs, so rules for automatic allomorph generation from lexical roots are also provided.

The database consists of the lexical database, declarative rules for inflectional morphology and for allomorph expansion, and related documentation.

TRIELIB is a declarative lexical database with no implementation associated. However, a version of the lexical database is translated to Prolog DCG clauses.

The data needs additional implementation before being processed.

Basic indexing management library and lexical information management library.

ARIES was developed due to the dramatic lack of lexical resources for Spanish language in 1995.

ARIES has been the result of the joint collaboration of a multidisciplinary team of researchers from the Universidad Politécnica de Madrid and from the Universidad Autónoma de Madrid. It has been developed during more than 5 years, from the experience gained in several funded research project.

• Goñi-Menoyo, J.M.; González-Cristóbal, J.C.; and Moreno-Sandoval, A. (1995). Manual de Referencia de la Plataforma Léxica ARIES, versión 5.0. Universidad Politécnica de Madrid.
• Right properties / owner: Universidad Politécnica de Madrid and DAEDALUS-Data, Decisions and Language, S.A. The exploitation rights are currently transferred to DAEDALUS-Data, Decisions and Language, S.A.