摘要：AbstractFrom the use of corpora with lexicographical purposes arise many problems that hinder the work of lexicographer and interfere with the development of dictionaries. Among the main problems we have in this use of corpora it has to be highlighted the absence of lemmas and the possible loss and reduction of polysemes or variants of meaning. The criterion of representativeness of a corpus is compromised. All corpora, in spite of their broadness, are no more than a limited group of texts that may not contain all the lexical richness of a language.
