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Part of speech. In grammar, a part of speech or part-of-speech ( abbreviated as POS or PoS, also known as word class [1] or grammatical category [2]) is a category of words (or, more generally, of lexical items) that have similar grammatical properties. Words that are assigned to the same part of speech generally display similar syntactic ...
e. In linguistics, morphology ( mor-FOL-ə-jee [1]) is the study of words, including the principles by which they are formed, and how they relate to one another within a language. [2] [3] Most approaches to morphology investigate the structure of words in terms of morphemes, which are the smallest units in a language with some independent meaning.
The bag-of-words model is commonly used in methods of document classification where, for example, the (frequency of) occurrence of each word is used as a feature for training a classifier. An early reference to "bag of words" in a linguistic context can be found in Zellig Harris's 1954 article on Distributional Structure.
A classifier ( abbreviated clf [1] or cl) is a word or affix that accompanies nouns and can be considered to "classify" a noun depending on some characteristics (e.g. humanness, animacy, sex, shape, social status) of its referent. [2] [3] Classifiers in this sense are specifically called noun classifiers because some languages in Papua as well ...
References. Syntactic category. A syntactic category is a syntactic unit that theories of syntax assume. [1] Word classes, largely corresponding to traditional parts of speech (e.g. noun, verb, preposition, etc.), are syntactic categories. In phrase structure grammars, the phrasal categories (e.g. noun phrase, verb phrase, prepositional phrase ...
Document classification or document categorization is a problem in library science, information science and computer science. The task is to assign a document to one or more classes or categories. This may be done "manually" (or "intellectually") or algorithmically. The intellectual classification of documents has mostly been the province of ...
t. e. In linguistics, word order (also known as linear order) is the order of the syntactic constituents of a language. Word order typology studies it from a cross-linguistic perspective, and examines how languages employ different orders. Correlations between orders found in different syntactic sub-domains are also of interest.
Thus, the word do, consisting of a single morpheme, is a verb as is the word redo, which consists of the prefix re-and the base root do. However, there are a few prefixes in English that are class-changing in that the word resulting after prefixation belongs to a lexical category that is different from the lexical category of the base.