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BM25 is a bag-of-words retrieval function that ranks a set of documents based on the query terms appearing in each document, regardless of their proximity within the document. It is a family of scoring functions with slightly different components and parameters. One of the most prominent instantiations of the function is as follows.
MongoDB, Inc. is an American software company that develops and provides commercial support for the source-available database engine MongoDB, a NoSQL database that stores data in JSON-like documents with flexible schemas.
Heaps' law describes the number of distinct words in a document (or set of documents) as a function of the document length. Hebb's law : "Neurons that fire together wire together." Heisenberg's uncertainty principle : one cannot measure values (with arbitrary precision) of certain conjugate quantities, which are pairs of observables of a single ...
MapReduce is a programming model and an associated implementation for processing and generating big data sets with a parallel and distributed algorithm on a cluster. [1] [2] [3]A MapReduce program is composed of a map procedure, which performs filtering and sorting (such as sorting students by first name into queues, one queue for each name), and a reduce method, which performs a summary ...
PALERMO — One of the two kindergarteners injured in a Northern California school shooting in early December may not regain the use of his legs, the family told CBS Sacramento on Thursday.
American Airlines has said its premium revenue rose 8% year over year in the third quarter. The company plans to grow its higher-tier seats by about 20% over the next two years through 2026.
To the surprise of no one, Bill Belichick reportedly wants to get back to coaching in 2025. (Photo by Andy Lewis/Icon Sportswire via Getty Images) (Icon Sportswire via Getty Images)
Document stores use the metadata in the document to classify the content, allowing them, for instance, to understand that one series of digits is a phone number, and another is a postal code. This allows them to search on those types of data, for instance, all phone numbers containing 555, which would ignore the zip code 55555.