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MongoDB is a source-available, cross-platform, document-oriented database program. Classified as a NoSQL database product, MongoDB uses JSON -like documents with optional schemas . Released in February 2009 by 10gen (now MongoDB Inc. ), it supports features like sharding , replication , and ACID transactions (from version 4.0).
A document-oriented database is a specialized key-value store, which itself is another NoSQL database category. In a simple key-value store, the document content is opaque. A document-oriented database provides APIs or a query/update language that exposes the ability to query or update based on the internal structure in the document. This ...
Additionally, Google indexes some file types, being able to show users PDFs, Word documents, Excel spreadsheets, PowerPoint presentations, certain Flash multimedia content, and plain text files. [16] Users can also activate "SafeSearch", a filtering technology aimed at preventing explicit and pornographic content from appearing in search ...
For example, Lucene's 'MoreLikeThis' Class can generate recommendations for similar documents. In a comparison of the term vector-based similarity approach of 'MoreLikeThis' with citation-based document similarity measures, such as co-citation and co-citation proximity analysis, Lucene's approach excelled at recommending documents with very ...
Over his Chancellorship he reduced the basic rate from 23% to 20%; however, in all budgets but his final one, he increased the tax thresholds in line with inflation rather than with earnings, resulting in fiscal drag. Under Brown, corporation tax fell from a main rate of 33% to 28%, and from 24% to 19% for small businesses. [55]
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To collect all transmitted almanacs, the receiver must demodulate the message for 732 to 750 seconds or 12 + 1 ⁄ 2 minutes. [165] All satellites broadcast at the same frequencies, encoding signals using unique code-division multiple access (CDMA) so receivers can distinguish individual satellites from each other. The system uses two distinct ...