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ISBN: 978-972-8939-25-0 © 2010 IADIS4.2 Monolingual DictionaryMonolingual dictionaries contain lexemes, flexions and all other elements needed to morphologically classifya sentence, expression or word in the language in question. There may even be ambiguities in thisclassification, but they are cleared in subsequent translation steps, which we will not discuss here. Theplatform works with parts of the language, hence the need to work with two morphological dictionaries inorder to carry out translations.Say we wish to translate the noun “livro”, in Portuguese, which corresponds to “book” in English. Inorder to do so, we need to create a monolingual dictionary in English as well as one in Portuguese. We willnow describe the development of a small monolingual Portuguese dictionary. Figure 1 shows the result of theanalysis process of the word “livro”.Figure 1. Analysis process of the word “livro”.The first stage is the definition of the alphabet, i.e. the set of characters used in given language (expressedby the equally named element “alphabet”).Example of “alphabet” tagÀÁÂÃÇÈÉÊÌÍÎÒÓÔÕÙÚÛáâãäçèéêëìíîòóôõùúûüABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzAfter that, all symbols that may be used in the translation process must be registered, and they may eitherhave grammatical semantics or be part of the internal treatment of the process. The element “sdefs”comprises this content.Example of “sdefs” tag. Next, one must define a section of paradigms comprised by the element “pardefs”, to which the paradigmused by nouns as “livro” is added. In Portuguese, the lexeme for nouns is always male and singular. Thesingular form of this noun is “livro” and the plural is “livros”.Example of “paradefs” tag:s162