Questions tagged [lemmatization]

For questions related to lemmatization, i.e. the process of grouping together the inflected forms of a word so they can be analysed as a single item. For example, after lemmatization, the words "walk", "walked", "walks" or "walking" could all be grouped under the stem (or base word) "walk".

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How can I find words in a string that are related to a given word, then associate a sentiment to that found word?

I came up with an NLP-related problem where I have a list of words and a string. My goal is to find any word in the list of words that is related to the given string. Here is an example. Suppose a word from the list is healthy. If the string has any…
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Given the immaturity of NLP tools for non-English languages, should I first translate the non-English language to English before text pre-processing?

For non-English languages (in my case Portuguese), what is the best approach? Should I use the not-so-complete tools in my language, or should I translate the text to English, and after using the tools in English? Lemmatization, for example, is not…