... maingroups: the ones which use translation technolo-gies, and the ones that transform the document intoa language-independent representation.One of the crucial issues regarding the methodsbased on ... mea-sure is obtained by finding the cheapest wayto transform one string into another. Trans-formations are the one-step operations of in-sertion, deletion and substitution. The resultis an integer ... disam-biguation methods can be applied, these are notfree of errors. On the other hand, methods based on language-independent representation also havelimitations. For instance, those based on thesaurusdepend...