Question: convert categorical data into bounded integers using hash E.g., author names Polar for O, Fadi420 for 1, etc. E.g., worldnews for 0, etc. embedding news

convert categorical data into bounded integers using hash E.g., author names "Polar" for O, "Fadi420" for 1, etc. E.g., "worldnews" for 0, etc. embedding news topics: you find all words in all topics, and convert each topic into a bit vector (containing 0 or 1, 0 mean the topic doesn't have the word, and 1 means the topic has the word

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