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  2. Root element - Wikipedia

    en.wikipedia.org/wiki/Root_element

    There can be other XML nodes outside of the root element. [4] In particular, the root element may be preceded by a prolog, which itself may consist of an XML declaration, optional comments, processing instructions and whitespace, followed by an optional DOCTYPE declaration and more optional comments, processing instructions and whitespace.

  3. Min-max heap - Wikipedia

    en.wikipedia.org/wiki/Min-max_heap

    We assume in the next points that the root element is at the first level, i.e., 0. Example of Min-max heap. Each node in a min-max heap has a data member (usually called key) whose value is used to determine the order of the node in the min-max heap. The root element is the smallest element in the min-max heap.

  4. XML tree - Wikipedia

    en.wikipedia.org/wiki/XML_tree

    The begin, end, and empty-element tags that delimit the elements are correctly nested, with none missing and none overlapping; A single "root" element contains all the other elements; These features resemble those of trees, in that there is a single root node, and an order to the elements. XML has appeared as a first-class data type in other ...

  5. Help:Markup validation - Wikipedia

    en.wikipedia.org/wiki/Help:Markup_validation

    Definition lists are created with the wikimarkup ; to define a definition list and : to define the item in the list. This diagnostic results when the : is missing. Indentation is created using the : markup.

  6. Stemming - Wikipedia

    en.wikipedia.org/wiki/Stemming

    In linguistic morphology and information retrieval, stemming is the process of reducing inflected (or sometimes derived) words to their word stem, base or root form—generally a written word form. The stem need not be identical to the morphological root of the word; it is usually sufficient that related words map to the same stem, even if this ...

  7. Python syntax and semantics - Wikipedia

    en.wikipedia.org/wiki/Python_syntax_and_semantics

    Lists, on the other hand, are mutable; elements can be inserted, deleted, modified, appended, or sorted in-place. Mappings, on the other hand, are (often unordered) types implemented in the form of dictionaries which "map" a set of immutable keys to corresponding elements (much like a mathematical function).

  8. Well-formed document - Wikipedia

    en.wikipedia.org/wiki/Well-formed_document

    There is a single "root" element that contains all the other elements. A valid XML document is defined in the XML specification as a well-formed XML document which also conforms to the rules of a Document Type Definition (DTD). According to JavaCommerce.com XML tutorial, "Well formed XML documents simply markup pages with descriptive tags.

  9. Word2vec - Wikipedia

    en.wikipedia.org/wiki/Word2vec

    Word2vec is a technique in natural language processing (NLP) for obtaining vector representations of words. These vectors capture information about the meaning of the word based on the surrounding words.