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  1. How to achieve sub 1s Trigram/Vector search in Postgres when …

    Mar 14, 2023 · The reason for adding trigram search is because I want some sort of fuzzy searching. Searching for something like "robots" with full text search works very well, but …

  2. Python NLTK: Bigrams trigrams fourgrams - Stack Overflow

    I have this example and i want to know how to get this result. I have text and I tokenize it then I collect the bigram and trigram and fourgram like that import nltk from nltk import word_tokeniz...

  3. How to improve or speed up Postgres query with pg_trgm?

    Jan 5, 2023 · The selectivity of the trigram similarity operator % is set by the customized option pg_trgm.similarity_threshold. The default 0.3 is rather lax and allows many hits.

  4. How to get Bigram/Trigram of word from prelisted unigram from a ...

    Jan 13, 2022 · How to get Bigram/Trigram of word from prelisted unigram from a document corpus / dataframe column Asked 3 years, 11 months ago Modified 1 year ago Viewed 2k times

  5. Get bigrams and trigrams in word2vec Gensim - Stack Overflow

    Sep 9, 2017 · // get a trigram model out of the bigram trigram_model = Phrases(bigram_sentences) Hope this helps you, but next time give us more information on …

  6. PostgreSQL, trigrams and similarity - Stack Overflow

    Apr 1, 2017 · The concept of trigram similarity relies on having any sentence divided into "trigrams" (sequences of three consecutive letters), and treating the result as a SET (i.e.: the …

  7. What is the correct way to create a case-insensitive trigram-index …

    Oct 7, 2020 · The trigrams are definitely lower case. The conundrum becomes cleared up when you consider how trigram indexes are used: they act as a filter that eliminates the majority of …

  8. regex - Split the word using bigram, trigram - Stack Overflow

    Aug 29, 2024 · Split the word using bigram, trigram Asked 1 year, 3 months ago Modified 1 year, 3 months ago Viewed 255 times

  9. PostgreSQL Full Text Search and Trigram Confusion

    Apr 8, 2013 · They serve very different purposes. Full Text Search is used to return documents that match a search query of stemmed words. Trigrams give you a method for comparing two …

  10. python - What should be the behavior of trigrams to predict next …

    Nov 8, 2020 · My bigram language model works fine when one word is given in input, but when I give two words to my trigram model, it behaves strangely and predicts 'unknown' as the next …