Machine Learning, Information Retrieval.
spelling variations. This approach looks similar to FastText. In this way, a query “artistic iphone 6s case” becomes represented like below. Word Unigram: [“artistic”, “iphone”, “6s”, “case”] Word Bigram: [“artistic#iphone”, “iphone#6s”, “6s#case”] Character Trigram: [“#ar”, “art”, “rti”, “tis”,