But all of this was rationalization. If you are only interested in word frequencies, then the grammatical information encoded in the tagged version is redundant, and the untagged version can be used. If however you are looking for the word 'set' used as a noun, then it would be necessary to use a tagged version, so that this word can be differentiated from 'set' used as a verb or adjective. This corpus uses a section of the Brown corpus and marks it up with syntactic information. This corpus differs from the others that we have looked at because it is a transcription of spoken English.
Intonation is marked.
This acronym stands for the Computer Usable Version of the Oxford Advanced Learners Dictionary. There are in fact two versions. The most useful is usually in a file called cuv2.dat contains 68742 words including inflected forms and proper nouns. Some examples of applications that use the dictionary can be found in the appendix of this course. Other texts Corpus building is currently a growth area, and there are many, many more corpora as well as the above examples.