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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. Property graph - Wikipedia

    en.wikipedia.org/wiki/Property_graph

    A complementary construct, used in several implementations of property graphs with commercial graph databases, is that of labels, which can be associated both with nodes and arcs of the graph. Labels have a practical rather than theoretical justification, as they were originally intended for users of Entity-Relationship models and relational ...

  4. 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 ...

  5. Breadth-first search - Wikipedia

    en.wikipedia.org/wiki/Breadth-first_search

    Implicit trees (such as game trees or other problem-solving trees) may be of infinite size; breadth-first search is guaranteed to find a solution node [1] if one exists. In contrast, (plain) depth-first search (DFS), which explores the node branch as far as possible before backtracking and expanding other nodes, [ 2 ] may get lost in an ...

  6. Domain Name System - Wikipedia

    en.wikipedia.org/wiki/Domain_Name_System

    Each node or leaf in the tree has a label and zero or more resource records (RR), which hold information associated with the domain name. The domain name itself consists of the label, concatenated with the name of its parent node on the right, separated by a dot. [23]: §3.1 The tree sub-divides into zones beginning at the root zone.

  7. Cluster labeling - Wikipedia

    en.wikipedia.org/wiki/Cluster_labeling

    An alternative to centroid labeling is title labeling. Here, we find the document within the cluster that has the smallest Euclidean distance to the centroid, and use its title as a label for the cluster. One advantage to using document titles is that they provide additional information that would not be present in a list of terms.

  8. Doubly linked list - Wikipedia

    en.wikipedia.org/wiki/Doubly_linked_list

    The first and last nodes of a doubly linked list for all practical applications are immediately accessible (i.e., accessible without traversal, and usually called head and tail) and therefore allow traversal of the list from the beginning or end of the list, respectively: e.g., traversing the list from beginning to end, or from end to beginning, in a search of the list for a node with specific ...

  9. Graph labeling - Wikipedia

    en.wikipedia.org/wiki/Graph_labeling

    A "harmonious labeling" on a graph G is an injection from the vertices of G to the group of integers modulo k, where k is the number of edges of G, that induces a bijection between the edges of G and the numbers modulo k by taking the edge label for an edge (x, y) to be the sum of the labels of the two vertices x, y (mod k). A "harmonious graph ...