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  2. Cypher (query language) - Wikipedia

    en.wikipedia.org/wiki/Cypher_(query_language)

    A relationship always has a direction, a start node, an end node, and exactly one relationship type. Like nodes, relationships can also have properties. [4] Labels can group similar nodes together by assigning zero or more node labels. Labels are kind of like tags and allow you to specify certain types of entities to look for or create.

  3. Kubernetes - Wikipedia

    en.wikipedia.org/wiki/Kubernetes

    Just like labels, field selectors also let one select Kubernetes resources. Unlike labels, the selection is based on the attribute values inherent to the resource being selected, rather than user-defined categorization. metadata.name and metadata.namespace are field selectors that will be present on all Kubernetes objects. Other selectors that ...

  4. Property graph - Wikipedia

    en.wikipedia.org/wiki/Property_graph

    For a ∈ A, u∈ N, v ∈ N, α (a) = (u, v) means that a is an arc of the graph having node u for origin and node v for target; is a binary relation over (A∪N) and K (formally defined as a subset of the cartesian product (A∪N)×K ), associating zero, one or several keys to each arc and node of the graph

  5. XPath - Wikipedia

    en.wikipedia.org/wiki/XPath

    XPath (XML Path Language) is an expression language designed to support the query or transformation of XML documents. It was defined by the World Wide Web Consortium (W3C) in 1999, [1] and can be used to compute values (e.g., strings, numbers, or Boolean values) from the content of an XML document.

  6. Graphical user interface - Wikipedia

    en.wikipedia.org/wiki/Graphical_user_interface

    GUI wrappers find a way around the command-line interface versions (CLI) of (typically) Linux and Unix-like software applications and their text-based UIs or typed command labels. While command-line or text-based applications allow users to run a program non-interactively, GUI wrappers atop them avoid the steep learning curve of the command ...

  7. Labeled data - Wikipedia

    en.wikipedia.org/wiki/Labeled_data

    Labels can be obtained by asking humans to make judgments about a given piece of unlabeled data. [1] Labeled data is significantly more expensive to obtain than the raw unlabeled data. The quality of labeled data directly influences the performance of supervised machine learning models in operation, as these models learn from the provided labels.

  8. Working directory - Wikipedia

    en.wikipedia.org/wiki/Working_directory

    Microsoft Windows file shortcuts have the ability to store the working directory. COMMAND.COM in DR-DOS 7.02 and higher provides ECHOS, a variant of the ECHO command omitting the terminating linefeed. [4] [3] This can be used to create a temporary batchjob storing the working directory in an environment variable like CD for later use, for example:

  9. Sentinel node - Wikipedia

    en.wikipedia.org/wiki/Sentinel_node

    Below are two versions of a subroutine (implemented in the C programming language) for looking up a given search key in a singly linked list.The first one uses the sentinel value NULL, and the second one a (pointer to the) sentinel node Sentinel, as the end-of-list indicator.