摘要:AbstractThis paper presents the new web-based versions of the applicationsLETRASandNUMEROS. The former,LETRAS-Weballows the user to perform concordance operations in pre-loaded and new corpora. The latter,NUMEROS-Web, can perform statistical calculations. Hiroto Ueda from the University of Tokyo has developed the online version in collaboration with the Computational Linguistics Laboratory of the Autonomous University of Madrid. The objective of this project is to offer a free and online tool for the user to study data from corpora.