science, a priority queue is an abstract data type similar to a regular queue or stack abstract data type. Each element in a priority queue has an associated...
32 KB (4,891 words) - 10:57, 17 August 2024
computer science, a monotone priority queue is a variant of the priority queue abstract data type in which the priorities of extracted items are required...
6 KB (752 words) - 07:14, 27 December 2023
computer science, a double-ended priority queue (DEPQ) or double-ended heap is a data structure similar to a priority queue or heap, but allows for efficient...
11 KB (1,471 words) - 18:32, 13 May 2024
Dijkstra's algorithm (section Using a priority queue)
algorithm uses a min-priority queue data structure for selecting the shortest paths known so far. Before more advanced priority queue structures were discovered...
46 KB (5,896 words) - 14:05, 7 July 2024
Scheduling (computing) (redirect from Scheduling priority)
collection of FIFO queues, one for each priority ranking. Processes in lower-priority queues are selected only when all of the higher-priority queues are empty...
43 KB (5,341 words) - 15:41, 26 July 2024
Aziz Queue (abstract data type), a type of data structure in computer science Circular queue Double-ended queue, also known as a deque Priority queue FIFO...
1 KB (176 words) - 08:11, 22 August 2024
efficient implementation of an abstract data type called a priority queue, and in fact, priority queues are often referred to as "heaps", regardless of how they...
16 KB (2,922 words) - 05:33, 12 August 2024
Comparison of data structures (section Priority queues)
keys. A priority queue is an abstract data-type similar to a regular queue or stack. Each element in a priority queue has an associated priority. In a priority...
6 KB (1,447 words) - 00:12, 15 March 2023
Van Emde Boas tree (redirect from Van Emde Boas priority queue)
pronunciation: [vɑn ˈɛmdə ˈboːɑs]), also known as a vEB tree or van Emde Boas priority queue, is a tree data structure which implements an associative array with...
16 KB (2,354 words) - 22:07, 24 August 2024
in a queue Message queue Priority queue Queuing theory Stack (abstract data type) – the "opposite" of a queue: LIFO (Last In First Out) "Queue (Java...
14 KB (2,135 words) - 09:34, 6 August 2024
Queueing theory is the mathematical study of waiting lines, or queues. A queueing model is constructed so that queue lengths and waiting time can be predicted...
39 KB (4,821 words) - 06:44, 17 May 2024
Binary search tree (section Priority queue operations)
implement abstract data types such as dynamic sets, lookup tables and priority queues, and used in sorting algorithms such as tree sort. The binary search...
31 KB (3,098 words) - 21:57, 27 June 2024
Kinetic Priority Queue is an abstract kinetic data structure. It is a variant of a priority queue designed to maintain the maximum (or minimum) priority element...
6 KB (622 words) - 20:15, 2 February 2024
implementations of A* use a priority queue to perform the repeated selection of minimum (estimated) cost nodes to expand. This priority queue is known as the open...
39 KB (4,796 words) - 07:18, 28 June 2024
initialize the priority queue and then to perform n find and remove operations. For instance, using a binary heap as a priority queue in selection sort...
32 KB (4,049 words) - 21:50, 10 June 2024
moved to a lower-priority queue. If a process is I/O-bound or an interactive process, it will be moved to a higher-priority queue. If a process is waiting...
6 KB (832 words) - 15:36, 4 December 2023
In computer science, the Brodal queue is a heap/priority queue structure with very low worst case time bounds: O ( 1 ) {\displaystyle O(1)} for insertion...
2 KB (942 words) - 10:08, 24 April 2024
A bucket queue is a data structure that implements the priority queue abstract data type: it maintains a dynamic collection of elements with numerical...
25 KB (3,312 words) - 00:35, 13 June 2024
FIFO (computing and electronics) (redirect from FIFO queuing)
is processed first. A priority queue is neither FIFO or LIFO but may adopt similar behaviour temporarily or by default. Queueing theory encompasses these...
8 KB (975 words) - 00:51, 6 April 2024
Lifelong Planning A* (section Priority queue)
assumes a priority queue queue, which supports the following operations: topKey() returns the (numerically) lowest priority of any node in the queue (or infinity...
11 KB (1,532 words) - 22:11, 27 November 2023
represented by ^ min-priority-queue supports: Count -> number of items in the priority queue Minimum -> minimum key of any item in the priority queue Extract-Min()...
21 KB (3,520 words) - 14:05, 30 July 2024
time to go is a dynamic priority scheduling algorithm used in real-time operating systems to place processes in a priority queue. Whenever a scheduling...
15 KB (2,110 words) - 15:20, 16 May 2024
and java.util.PriorityQueue. The direct subclasses of AbstractQueue class include ArrayBlockingQueue, ConcurrentLinkedQueue, DelayeQueue, LinkedBlockingDeque...
43 KB (4,279 words) - 13:50, 10 August 2024
for priority queue operations, consisting of a collection of heap-ordered trees. It has a better amortized running time than many other priority queue data...
19 KB (3,772 words) - 22:17, 18 June 2024
current best candidate for extension is typically implemented using a priority queue. The A* search algorithm is an example of a best-first search algorithm...
4 KB (505 words) - 05:37, 28 March 2024
Stack (abstract data type) (redirect from LIFO queue)
structures Queue Double-ended queue FIFO (computing and electronics) Operational memory stack (aka Automatic memory stack) By contrast, a queue operates...
39 KB (4,619 words) - 09:08, 6 August 2024
form of a binary tree. Binary heaps are a common way of implementing priority queues.: 162–163 The binary heap was introduced by J. W. J. Williams in 1964...
29 KB (5,119 words) - 18:30, 13 May 2024
hash_multiset and hash_multimap. There are also container adaptors queue, priority_queue, and stack, that are containers with specific interface, using other...
24 KB (2,136 words) - 01:31, 6 April 2024
Min-max heap (category Priority queues)
min-max heap a very useful data structure to implement a double-ended priority queue. Like binary min-heaps and max-heaps, min-max heaps support logarithmic...
15 KB (2,117 words) - 17:37, 11 April 2024
Active processes are placed in an array called a run queue, or runqueue. The run queue may contain priority values for each process, which will be used by the...
2 KB (393 words) - 20:38, 9 June 2023