Within the framework of the informal network RELEXWithin the framework of the informal network RELEX of laboratories a group of European teams (French, German, Italian, Portuguese, Greek, Spanish) in the domain of computational linguistics has been working in close cooperation for more than five years on the construction of electronic lexicons and grammars. Each team works on its national language, and all teams are using IDENTICAL METHODS.... of laboratories a group of European teams (French, German, Italian, Portuguese, Greek, Spanish) in the domain of computational linguistics has been working in close cooperation for more than five years on the construction of electronic lexicons and grammars. Each team works on its national language, and all teams are using IDENTICAL METHODS. At least once a year, they meet to confront their problems, to present their results and to adopt further lines of standardization