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  2. Bag-of-words model - Wikipedia

    en.wikipedia.org/wiki/Bag-of-words_model

    The bag-of-words model (BoW) is a model of text which uses an unordered collection (a "bag") of words. It is used in natural language processing and information retrieval (IR). It disregards word order (and thus most of syntax or grammar) but captures multiplicity .

  3. MongoDB - Wikipedia

    en.wikipedia.org/wiki/MongoDB

    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).

  4. Promissory note - Wikipedia

    en.wikipedia.org/wiki/Promissory_note

    A 1926 promissory note from the Imperial Bank of India, Rangoon, Burma for 20,000 rupees plus interest. A promissory note, sometimes referred to as a note payable, is a legal instrument (more particularly, a financing instrument and a debt instrument), in which one party (the maker or issuer) promises in writing to pay a determinate sum of money to the other (the payee), [1] subject to any ...

  5. Document-oriented database - Wikipedia

    en.wikipedia.org/wiki/Document-oriented_database

    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 ...

  6. Org-mode - Wikipedia

    en.wikipedia.org/wiki/Org-mode

    The Org Mode home page explains that "at its core, Org Mode is a simple outliner for note-taking and list management". [11] The Org system author Carsten Dominik explains that "Org Mode does outlining, note-taking, hyperlinks, spreadsheets, TODO lists, project planning, GTD, HTML and LaTeX authoring, all with plain text files in Emacs."

  7. JSON - Wikipedia

    en.wikipedia.org/wiki/JSON

    MongoDB uses JSON-like data for its document-oriented database. Some relational databases, such as PostgreSQL and MySQL, have added support for native JSON data types. This allows developers to store JSON data directly in a relational database without having to convert it to another data format.

  8. Help:List - Wikipedia

    en.wikipedia.org/wiki/Help:List

    Separating unordered list items with blank lines may look approximately normal on-screen, but it creates many separate one-item lists, which is a problem for people using screen readers and is discouraged by the guideline on accessibility for people with disabilities, and is also problematic for machine analysis of the article, and for reuse of ...

  9. Database storage structures - Wikipedia

    en.wikipedia.org/wiki/Database_storage_structures

    Heap files are lists of unordered records of variable size. Although sharing a similar name, heap files are widely different from in-memory heaps. In-memory heaps are ordered, as opposed to heap files. Simplest and most basic method insert efficient, with new records added at the end of the file, providing chronological order