Top "Data-retrieval" questions

Data retrieval involves extracting the wanted data from a dataset.

How do I calculate TF-IDF of a query?

How do I calculate tf-idf for a query? I understand how to calculate tf-idf for a set of documents with …

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search computer-science tf-idf data-retrieval
retrieving data with mongodb java driver 3.4 using find()-method with projection

I am using mongodb java driver 3.4. In the mongodb database documents are saved according to the following structure: { "_id" : ObjectId("595…

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java mongodb projection mongodb-java data-retrieval