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Basic unit of a data structure
of system of nodes to define its location in a network. Child: A child node is a node extending from another node. For example, a computer with internet
Node_(computer_science)
In computer science, a goal node is a node in a graph that meets defined criteria for success or termination. Heuristical artificial intelligence algorithms
Goal_node_(computer_science)
Topics referred to by the same term
no change in potential Node (computer science), a basic unit used to build data structures Goal node (computer science), a node in a graph that meets defined
Node
Fundamental unit of which graphs are formed
polyhedron is analogous to the neighborhood of a vertex in a graph. Node (computer science) Graph theory Glossary of graph theory File:Small Network.png; example
Vertex_(graph_theory)
Linked node hierarchical data structure
computer science, a tree is a widely used abstract data type that represents a hierarchical tree structure with a set of connected nodes. Each node in
Tree_(abstract_data_type)
This glossary of computer science is a list of definitions of terms and concepts used in computer science, its sub-disciplines, and related fields, including
Glossary_of_computer_science
Network that allows computers to share resources and communicate with each other
In computer science, computer engineering, and telecommunications, a network is a group of communicating computers and peripherals known as hosts, which
Computer_network
Set of computers configured in a distributed computing system
networks, with each node (computer used as a server) running its own instance of an operating system. In most circumstances, all of the nodes use the same
Computer_cluster
Specification of a conceptualization
Knowledge Sharing" by Tom Gruber used ontology as a technical term in computer science closely related to earlier idea of semantic networks and taxonomies
Ontology (information science)
Ontology_(information_science)
Use of functions that call themselves
In computer science, recursion is a method of solving a computational problem where the solution depends on solutions to smaller instances of the same
Recursion_(computer_science)
Dividing a system in computer science
In computer science, decomposition is the process of identifying and organising a complex system into smaller components or layers of abstraction. Decomposition
Decomposition (computer science)
Decomposition_(computer_science)
Type of algorithm, produces approximately correct solutions
In mathematical optimization and computer science, heuristic (from Greek εὑρίσκω eurísko "I find, discover") is a technique designed for problem solving
Heuristic_(computer_science)
Type of data structure
In cryptography and computer science, a hash tree or Merkle tree is a tree in which every "leaf" node is labelled with the cryptographic hash of a data
Merkle_tree
Computer science data structure
In computer science, a heap is a tree-based data structure that satisfies the heap property: In a max heap, for any given node C, if P is the parent node
Heap_(data_structure)
Way of representing the hierarchical nature of a structure in a graphical form
the ancestor of "science", "culture", "art" and "craft". Finally, "science", "art" and "craft", as leaves, are ancestors of no other node. Tree structures
Tree_structure
Rooted binary tree data structure
In computer science, a binary search tree (BST), also called an ordered or sorted binary tree, is a rooted binary tree data structure with the key of each
Binary_search_tree
Process of device status sampling
Abstraction (computer science) Asynchronous I/O Bit banging Infinite loop Interrupt request (PC architecture) Integer (computer science) kqueue Pull technology
Polling_(computer_science)
Software design structured around a node graph
Node graph architecture is a software design structured around the notion of a node graph. Both the source code and the user interface are designed around
Node_graph_architecture
Limited form of tree data structure
In computer science, a binary tree is a tree data structure in which each node has at most two children, referred to as the left child and the right child
Binary_tree
Class of algorithms
In computer science, tree traversal (also known as tree search and walking the tree) is a form of graph traversal and refers to the process of visiting
Tree_traversal
Search tree data structure
In computer science, a trie (/ˈtraɪ/, /ˈtriː/ ), also known as a digital tree or prefix tree, is a specialized search tree data structure used to store
Trie
Concept in computer science
called MSR-type algorithms which have been used widely in fields from computer science to control theory. Bitcoin uses proof of work, a difficulty adjustment
Consensus_(computer_science)
Technique for anonymous communication over a computer network
intermediary computers as there are layers before arriving at its destination. The original message remains hidden as it is transferred from one node to the
Onion_routing
Algorithm for finding shortest paths
shortest paths between nodes in a weighted graph, which may represent, for example, a road network. It was conceived by computer scientist Edsger W. Dijkstra
Dijkstra's_algorithm
When every path in a control-flow graph must go through one node to reach another
In computer science, a node d of a control-flow graph dominates a node n if every path from the entry node to n must go through d. Notationally, this
Dominator_(graph_theory)
Algorithm to search the nodes of a graph
In computer science, depth-first search (DFS) is an algorithm for traversing or searching tree or graph data structures. The algorithm starts at the root
Depth-first_search
Self-replicating malware program
the world's first computer virus: a computation that used the network to recreate itself on another node, and spread from node to node. The source code
Computer_worm
Distributed computing architecture
in which the nodes share the same memory as well as the same storage. It contrasts with shared-nothing architecture, in which each node has distinct memory
Shared-memory_architecture
American computer scientist (born 1945)
List of famous programmers List of pioneers in computer science "Leonard M. Adleman | American computer scientist". Encyclopædia Britannica. Retrieved
Leonard_Adleman
Computer workstation operated without disk drives
A diskless node (or diskless workstation) is a workstation or personal computer without disk drives, which employs network booting to load its operating
Diskless_node
Using one interface or symbol with regards to multiple different types
generics in C#, Delphi, Java, and Go: class List<T> { class Node<T> { T elem; Node<T> next; } Node<T> head; int length() { ... } } List<B> map(Func<A, B> f
Polymorphism (computer science)
Polymorphism_(computer_science)
Data type that refers to itself in its definition
aliases. Recursive definition Algebraic data type Inductive type Node (computer science) Harper 1998. "Numbering Matters: First-Order Canonical Forms for
Recursive_data_type
Regular graph used in coding theory
nodes are ordered into vertical slices (time) with every node at almost every time connected to at least one node at an earlier and at least one node
Trellis_(graph)
Academic field
Network science is an academic field which studies complex networks such as telecommunication networks, computer networks, biological networks, cognitive
Network_science
Approximate nearest neighbor search algorithm
Each vector is a node, and links connect it to some nearby vectors. The graph has several layers: upper layers contain fewer nodes and act like a rough
Hierarchical navigable small world
Hierarchical_navigable_small_world
Computer science problem
In computer science, the longest repeated substring problem is the problem of finding the longest substring of a string that occurs at least twice. This
Longest repeated substring problem
Longest_repeated_substring_problem
Free and open-source job scheduler for Linux and similar computers
assignments on parallel computers. It provides three key functions: allocating exclusive and/or non-exclusive access to resources (computer nodes) to users for
Slurm_Workload_Manager
Method in computer programming of forming higher-level object types
In computer science, object composition and object aggregation are closely related ways to combine objects or data types into more complex ones. In conversation
Object_composition
Family of protocols for solving consensus
In computer science, Paxos is a family of protocols for solving consensus in a network of unreliable or fallible processors. Consensus is the process of
Paxos_(computer_science)
Supercomputer in Kobe, Japan
Computational Science campus in Kobe, Hyōgo Prefecture, Japan. The K computer was based on a distributed memory architecture with over 80,000 compute nodes. It
K_computer
Abstract data type in computer science
In computer science, a priority queue is an abstract data type similar to a regular queue where each element has an associated priority determining its
Priority_queue
Data structure
number of children per node. A B+ tree consists of a root, internal nodes, and leaves. The root may be either a leaf or a node with two or more children
B+_tree
Data structure with nodes pointing to the next node
insertAfter(Node node, Node newNode) if node = null // assume list is empty newNode.next := newNode else newNode.next := node.next node.next := newNode update
Linked_list
Data structure in computer science
every node with children (internal node) has either two, three, or four child nodes: a 2-node has one data element, and if internal has two child nodes; a
2–3–4_tree
Sequence of characters, data type
formal languages, which are used in mathematical logic and theoretical computer science, a string is a finite sequence of symbols that are chosen from a set
String_(computer_science)
Ability to execute a task in a non-serial manner
In computer science, concurrency refers to the ability of a system to execute multiple tasks through simultaneous execution or time-sharing (context switching)
Concurrency (computer science)
Concurrency_(computer_science)
System with multiple networked computers
Distributed computing is a field of computer science that studies distributed systems, defined as computer systems whose inter-communicating components
Distributed_computing
Particular way of storing and organizing data in a computer
In computer science, a data structure is a way to organize and store data that is usually chosen for efficient access to data. More precisely, a data structure
Data_structure
Linked list data structure
In computer science, a doubly linked list is a linked data structure that consists of a set of sequentially linked records called nodes. Each node contains
Doubly_linked_list
This glossary of computer hardware terms is a list of definitions of terms and concepts related to computer hardware, i.e. the physical and structural
Glossary of computer hardware terms
Glossary_of_computer_hardware_terms
Arrangement of a communication network
topologies are found in local area networks (LAN), a common computer network installation. Any given node in the LAN has one or more physical links to other devices
Network_topology
Need to sacrifice consistency or availability in the presence of network partitions
the queried node, but without being available for arbitrary requests during a network partition[citation needed]. According to computer scientist Eric
CAP_theorem
Data structures used in spatial indexing
needed] To maintain in-memory computing for R-tree in a computer cluster where computing nodes are connected by a network, researchers have used RDMA (Remote
R-tree
Computing problem
In computer science, the range query problem consists of efficiently answering several queries regarding a given interval of elements within an array.
Range query (computer science)
Range_query_(computer_science)
Simple routing algorithm sending incoming packets to all other links than the sender
(reverse-path forwarding). In SNCF, the node attaches its own address and sequence number to the packet, since every node has a memory of addresses and sequence
Flooding (computer networking)
Flooding_(computer_networking)
application is assigned to one or more hardware devices (specific nodes, such as a computer, mobile devices, or IoT device). Typically any numbers of instances
Node-locked_licensing
Way of storing data in a computer
In computer science, a linked data structure is a data structure which consists of a set of data records (nodes) linked together and organized by references
Linked_data_structure
Computer hardware and software capable of playing chess
millions of nodes. The computational speed of modern computers, capable of processing tens of thousands to hundreds of thousands of nodes or more per
Computer_chess
Instructions a computer can execute
A computer program is a sequence or set of instructions in a programming language for a computer to execute. It is one component of software, which also
Computer_program
Computer that uses photons or light waves
inside nodes. Light is marked when passing through an arc or through a node to identify that fact at the destination node. The destination node waits for
Optical_computing
Ability to seamlessly add computer resources to a given node
computing, memory, networking, and storage resources to a given node or set of nodes that make up a larger computing, distributed computing, or grid computing
Hyperscale_computing
Basic concept of graph theory
mathematics and computer science, connectivity is one of the basic concepts of graph theory: it asks for the minimum number of elements (nodes or edges) that
Connectivity_(graph_theory)
American computer scientist (born 1971)
(born 1971) is an American computer scientist and the Tisch University Professor of Computer Science and Information Science at Cornell University known
Jon_Kleinberg
Synchronization primitive for fault tolerance
In computer science, a heartbeat is a periodic signal generated by hardware or software to indicate normal operation or to synchronize other parts of a
Heartbeat_(computing)
String-searching algorithm
In computer science, the Aho–Corasick algorithm is a string-searching algorithm invented by Alfred V. Aho and Margaret J. Corasick in 1975. It is a kind
Aho–Corasick_algorithm
Model of computation
In theoretical computer science, a circuit is a model of computation in which input values proceed through a sequence of gates, each of which computes
Circuit_(computer_science)
Line of computers in the 1980s and 1990s
iPSC/1 in 1985, with 32 to 128 nodes connected with Ethernet into a hypercube. The system was managed by a personal computer of the PC/AT era running Xenix
Intel_iPSC
Tree-based computer data structure
In computer science, a B-tree is a self-balancing tree data structure that maintains sorted data and allows searches, sequential access, insertions, and
B-tree
Data structure for Boolean functions
In computer science, a binary decision diagram (BDD) or branching program is a data structure that is used to represent a Boolean function. On a more abstract
Binary_decision_diagram
State in which members are blocking each other
Readers-writer lock Sleeping barber problem Stalemate Synchronization (computer science) Turn restriction routing Coulouris, George (2012). Distributed Systems
Deadlock_(computer_science)
Computer network with multiple nodes to store information
A distributed data store is a computer network where information is stored on more than one node, often in a replicated fashion. It is usually specifically
Distributed_data_store
Description of an algorithm that resembles a computer program
In computer science, pseudocode is a description of the steps in an algorithm using a mix of conventions of programming languages (like assignment operator
Pseudocode
Network with multiple links between nodes
infrastructure nodes (i.e., bridges, switches, and other infrastructure devices) connect directly, dynamically and non-hierarchically to as many other nodes as possible
Mesh_networking
Concept in computer science
Every multi-way or k-ary tree structure studied in computer science admits a representation as a binary tree, which goes by various names including child-sibling
Left-child right-sibling binary tree
Left-child_right-sibling_binary_tree
Type of extremely powerful computer
on compute nodes, but a larger system such as a full Linux distribution on server and I/O nodes. While in a traditional multi-user computer system job
Supercomputer
Computer science algorithm
In computer science, graph traversal (also known as graph search) refers to the process of visiting (checking and/or updating) each vertex in a graph.
Graph_traversal
Node ordering for directed acyclic graphs
In computer science, a topological sort or topological ordering of a directed graph is a linear ordering of its vertices such that for every directed edge
Topological_sorting
Data structure in computer science
In computer science, a 2–3 tree is a tree data structure, where every node with children (internal node) has either two children (2-node) and one data
2–3_tree
Technique that interweaves different computations
Consider a tree that potentially contains a path of infinite length (but each node has only finitely many children): if a depth-first search is performed in
Dovetailing (computer science)
Dovetailing_(computer_science)
Type of search algorithm
In computer science, a dichotomic search is a search algorithm that operates by selecting between two distinct alternatives (dichotomies or polychotomies
Dichotomic_search
Sorting algorithm using the heap data structure
In computer science, heapsort is an efficient, comparison-based sorting algorithm that reorganizes an input array into a heap (a data structure where each
Heapsort
Multidimensional search tree for points in k dimensional space
Wikimedia Commons has media related to k-d trees. In computer science, a k-d tree (short for k-dimensional tree) is a space-partitioning data structure
K-d_tree
Specialist field of computer science
specifically the computer sciences, which uses advanced computing capabilities to understand and solve complex physical problems in science. While this typically
Computational_science
Computer science transaction algorithm
many cases of temporary system failure (involving either process, network node, communication, etc. failures), and is thus widely used. However, it is not
Two-phase_commit_protocol
From Diversity to Convergence: British Computer Networks and the Internet, 1970-1995 (PDF) (Computer Science thesis). The University of Warwick. Archived
History_of_the_World_Wide_Web
The University of London Institute of Computer Science (ICS) was an Institute based in London in England. The institute was founded by the University of
Institute_of_Computer_Science
Attribute of data
In computer science and computer programming, a data type (or simply type) is a collection or grouping of data values, usually specified by a set of possible
Data_type
Sequence merge algorithm in computer science
In computer science, k-way merge algorithms or multiway merges are a specific type of sequence merge algorithms that specialize in taking in k sorted lists
K-way_merge_algorithm
Algorithm used for pathfinding and graph traversal
fields of computer science due to its completeness, optimality, and optimal efficiency. Given a weighted graph, a source node and a goal node, the algorithm
A*_search_algorithm
Self-balancing binary search tree data structure
In computer science, a red–black tree is a self-balancing binary search tree data structure noted for fast storage and retrieval of ordered information
Red–black_tree
Search algorithm
pruning is a tree search algorithm that seeks to decrease the number of nodes that are evaluated by the minimax algorithm in its search tree. It is an
Alpha–beta_pruning
Tree in which each node has at most three children
In computer science, a ternary tree is a tree data structure in which each node has at most three child nodes, usually distinguished as "left", “mid” and
Ternary_tree
Type of network topology
there are 4 nodes in the network, 2 bits are needed to represent all the nodes in the network. The network is constructed by connecting the nodes that just
Hypercube internetwork topology
Hypercube_internetwork_topology
Japanese supercomputer
Riken Center for Computational Science in Kobe, Japan. It started development in 2014 as the successor to the K computer and made its debut in 2020. It
Fugaku_(supercomputer)
Abstract computational machine model
In theoretical computer science, a pointer machine is an atomistic abstract computational machine whose storage structure is a graph. A pointer algorithm
Pointer_machine
Former world's most powerful supercomputer produced by Intel
National Science Foundation. The Delta was one of the few computers to sit significantly above the curve of Moore's Law. GP16 Compute node, component
Intel_Paragon
Computer memory architecture
In computer science, distributed shared memory (DSM) is a form of memory architecture where physically separated memories can be addressed as a single
Distributed_shared_memory
Algorithm to search the nodes of a graph
In computer science, breadth-first search (BFS) is an algorithm for searching a tree data structure for a node that satisfies a given property. It starts
Breadth-first_search
Analysis of social structures using network and graph theory
information science, organizational studies, physics, political science, public health, social psychology, development studies, sociolinguistics, and computer science
Social_network_analysis
Data structure
In computer science, a radix tree (also radix trie or compact prefix tree or compressed trie) is a data structure that represents a space-optimized trie
Radix_tree
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