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Data structures used in spatial indexing
R-trees are tree data structures used for spatial access methods, i.e., for indexing multi-dimensional information such as geographical coordinates, rectangles
R-tree
Tree data structure in computer science
an R+ tree is a tree data structure, a variant of the R tree, used for indexing spatial information. R+ trees are a compromise between R-trees and kd-trees:
R+_tree
Data structure used for indexing spatial information
processing R*-trees are a variant of R-trees used for indexing spatial information. R*-trees have slightly higher construction cost than standard R-trees, as
R*-tree
The Priority R-tree is a worst-case asymptotically optimal alternative to the spatial tree R-tree. It was first proposed by Arge, De Berg, Haverkort and
Priority_R-tree
R-tree variant and index for multidimensional objects
Hilbert R-tree, an R-tree variant, is an index for multidimensional objects such as lines, regions, 3-D objects, or high-dimensional feature-based parametric
Hilbert_R-tree
Perennial woody plant with elongated trunk
botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be
Tree
Index tree structure in computer science
In computer science tree data structures, an X-tree (for eXtended node tree) is an index tree structure based on the R-tree used for storing data in many
X-tree
mathematics, real trees (also called R {\displaystyle \mathbb {R} } -trees) are a class of metric spaces generalising simplicial trees. They arise naturally
Real_tree
Self-balancing binary search tree
a WAVL tree or weak AVL tree is a self-balancing binary search tree. WAVL trees are named after AVL trees, another type of balanced search tree, and are
WAVL_tree
Limited form of tree data structure
a k-ary tree where k = 2. A recursive definition using set theory is that a binary tree is a triple (L, S, R), where L and R are binary trees or the empty
Binary_tree
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 organization and storage formats
Octree Linear octree Z-order UB-tree R-tree R+ tree R* tree Hilbert R-tree X-tree Metric tree Cover tree M-tree VP-tree BK-tree Bounding interval hierarchy
List_of_data_structures
Discussion on Reddit
r/BreadStapledToTrees is a subreddit in which users post photos of bread that has been stapled to trees. The posts create variations on the premise and
R/BreadStapledToTrees
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 for
K-d_tree
Way of representing the hierarchical nature of a structure in a graphical form
Computer science: binary search tree red–black tree AVL tree R-tree doubly logarithmic tree Biology: evolutionary tree Business: pyramid selling scheme
Tree_structure
Data structure
internal node is at most the radix r of the radix tree, where r = 2x for some integer x ≥ 1. Unlike regular trees, edges can be labeled with sequences
Radix_tree
Tree data structure
In computer science, M-trees are tree data structures that are similar to R-trees and B-trees. It is constructed using a metric and relies on the triangle
M-tree
Space-filling curve
Hilbert curves have been used to compress and accelerate R-tree indexes (see Hilbert R-tree). They have also been used to help compress data warehouses
Hilbert_curve
World's tallest tree (California, US)
redwood (Sequoia sempervirens D.Don, Endl.) tree in California, which is the world's tallest known living tree, measured at 116.22 metres (381.3 ft) tall
Hyperion_(tree)
Topics referred to by the same term
Rockstar Games, an American video game publisher r* or r-star, natural rate of interest R*-tree, a tree data structure for spatial access Rstar, later called
R*_(disambiguation)
Topics referred to by the same term
up treed in Wiktionary, the free dictionary. Treed usually means: covered in trees chased up a tree, see treeing Treed may also refer to: "Treed", a
Treed
1964 book by J. R. R. Tolkien
Tree and Leaf is a small anthology of works by J. R. R. Tolkien published in 1964 and originally illustrated by Pauline Baynes which consisted of: a revised
Tree_and_Leaf
List of longest living trees
between clonal trees, ones where parts of the tree continue to live after the death of the first trunk or trunks, and non-clonal trees. Tree ages are derived
List_of_oldest_trees
Topics referred to by the same term
R+ or R Plus may refer to: R+ tree, a data structure in computer science R + {\displaystyle \mathbb {R} ^{+}} , the set of positive real numbers (or, depending
R+
studying the action of groups on R-trees. It was introduced in unpublished work of Eliyahu Rips in about 1991. An R-tree is a uniquely arcwise-connected
Rips_machine
Graphics structure
applications. Binary space partitioning, octree, k-d tree R-tree, R+-tree, R*-tree and X-tree M-tree Sweep and prune Hierarchical clustering OptiX Ericson
Bounding_volume_hierarchy
Largest known organism
individual trees but are genetically identical parts of a single tree connected by a root system that spans 42.8 ha (106 acres). As a multi-stem tree, Pando
Pando_(tree)
Children's picture book by Shel Silverstein
The Giving Tree is an American children's picture book written and illustrated by Shel Silverstein. First published in 1964 by Harper & Row, it has become
The_Giving_Tree
Machine learning algorithm
Decision tree learning is a supervised learning approach used in statistics, data mining and machine learning. In this formalism, a classification or regression
Decision_tree_learning
Spatial index that partitions space based on the bit-representation of keys
The PH-tree is a tree data structure used for spatial indexing of multi-dimensional data (keys) such as geographical coordinates, points, feature vectors
PH-tree
Tree data structure to hold intervals
In computer science, an interval tree is a tree data structure to hold intervals. Specifically, it allows one to efficiently find all intervals that overlap
Interval_tree
Decision support tool
A decision tree is a decision support recursive partitioning structure that uses a tree-like model of decisions and their possible consequences, including
Decision_tree
Part of the mathematical subject of group theory
isometric group actions on real trees (or R-trees) which are metric spaces generalizing the graph-theoretic notion of a tree (graph theory). The theory was
Bass–Serre_theory
Smallest rectangle which encloses some planar set of points
patchy data, is c-squares. MBRs are also an essential prerequisite for the R-tree method of spatial indexing. Owing to their simplicity of expression and
Minimum_bounding_rectangle
Data structure
easily implement a range of well-known indexes, including B+ trees, R-trees, hB-trees, RD-trees, and many others; it also allows for easy development of specialized
GiST
Genus of marsupials
Tree-kangaroos are marsupials of the genus Dendrolagus, adapted for arboreal locomotion. They inhabit the tropical rainforests of New Guinea and far northeastern
Tree-kangaroo
Tree data structure that partitions a 2D area
A quadtree is a tree data structure in which each internal node has exactly four children. Quadtrees are the two-dimensional analog of octrees and are
Quadtree
Data structure in computer science
terabytes. Tree (graph theory) Tree (set theory) Tree structure Exponential tree B-tree (2–3 tree, 2–3–4 tree, B+ tree, B*-tree, UB-tree) Dancing tree Fusion
T-tree
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
Branching diagram of evolutionary relationships between organisms
A phylogenetic tree or phylogeny is a graphical representation which shows the evolutionary history between a set of species or taxa during a specific
Phylogenetic_tree
Database of data representing objects in geometric space
index that will lead to the smallest increase in its size. R+ tree R* tree UB-tree X-tree Z-order (curve) A spatial query is a special type of database
Spatial_database
Least-weight tree connecting graph vertices
A minimum spanning tree (MST) or minimum weight spanning tree is a subset of the edges of a connected, edge-weighted undirected graph that connects all
Minimum_spanning_tree
Royal genealogy of the United Kingdom
separate family trees before the 1603 Union of the Crowns, see Family tree of English monarchs, Family tree of Scottish monarchs, and Family tree of Welsh monarchs
Family tree of the British royal family
Family_tree_of_the_British_royal_family
Machine learning technique
CART trees, the trees are fitted using least-squares loss, and so the coefficient b j m {\displaystyle b_{jm}} for the region R j m {\displaystyle R_{jm}}
Gradient_boosting
Machine learning technique for improving decision trees
"[1]" Multicast Trees. Advanced Topics in Artificial Intelligence by Grigoris Antoniou, John K. Slaney "[2]" Decision Tree Grafting R-tree implementation
Grafting_(decision_trees)
Density-based data clustering algorithm
accelerated with dual-tree range search techniques. PostGIS includes ST_ClusterDBSCAN – a 2D implementation of DBSCAN that uses R-tree index. Any geometry
DBSCAN
Data structure for priority queues
= 'a tree list and 'a tree = Tree of 'a * int * 'a tree list let rank (Tree (_, r, _)) = r let simple_link (Tree (k1, r, c1) as t1) (Tree (k2, r, c2)
Skew_binomial_heap
Optimization problem in computer science
has efficient algorithms for insertions and deletions such as the R* tree. R-trees can yield nearest neighbors not only for Euclidean distance, but can
Nearest_neighbor_search
Tree representation of the abstract syntactic structure of source code
abstract syntax tree (AST) is a data structure used in computer science to represent the structure of a program or code snippet. It is a tree representation
Abstract_syntax_tree
Oldest known non-clonal organism
bristlecone pine (Pinus longaeva) tree growing near the tree line on Wheeler Peak in eastern Nevada, United States. The tree, which was at least 4,862 years
Prometheus_(tree)
Mapping function that preserves data point locality
depth-first order. Geohash Hilbert R-tree Linear algebra Locality preserving hashing Matrix representation Netto's theorem PH-tree Spatial index Discrete Global
Z-order_curve
American singer (born 1993)
He mainly released music under the pseudonym "Tree". At age 20, Tree signed up with the London-based R&S Records and released his debut EP, Demons in
Oliver_Tree
Edge of the habitat at which trees are capable of growing
The tree line is the edge of a habitat at which trees can grow and beyond which they cannot. It is found at high elevations and high latitudes. Beyond
Tree_line
Purely functional data structure
tree, and each digit is conceptually associated with a subtree that may be empty. i n s t a n c e R e d u c e N o d e w h e r e r e d u c e r
Finger_tree
Largest indigenous tree of South Africa in Limpopo
encircle the tree with open hands. To view the tree, there is an entrance fee of R 50 per adult and R 25 per child. This became the stoutest tree in South
Sagole_Baobab
Species of flowering tree
drumstick tree (from the long, slender, triangular seed-pods), horseradish tree (from the taste of the roots, which resembles horseradish), ben tree (for its
Moringa_oleifera
Undirected, connected, and acyclic graph
In graph theory, a tree is an undirected graph in which every pair of distinct vertices is connected by exactly one path, or equivalently, a connected
Tree_(graph_theory)
Exceptionally old olive tree in Crete, Greece
48667°N 23.78694°E / 35.48667; 23.78694 The Olive tree of Vouves (Greek: Ελιά Βουβών) is an olive tree in the village of Ano Vouves in the municipal unit
Olive_tree_of_Vouves
Online phylogenetic tree of life
three institutions. Tree of Life Web Project "OpenTreeOfLife License". Hinchliff CE, Smith SA, Allman JF, Burleigh JG, Chaudhary R, Coghill LM, et al.
Open_Tree_of_Life
Self-balancing binary search tree data structure
Left-leaning red–black tree AVL tree B-tree (2–3 tree, 2–3–4 tree, B+ tree, B*-tree, UB-tree) Scapegoat tree Splay tree T-tree WAVL tree GNU libavl Cormen
Red–black_tree
balancing schemes: AVL trees, red–black trees, weight-balanced trees and treaps. The join ( L , k , R ) {\displaystyle (L,k,R)} operation takes as input
Join-based_tree_algorithms
Theme in Tolkien's fiction
Trees play multiple roles in J. R. R. Tolkien's fantasy world of Middle-earth, some such as Old Man Willow actually serving as characters in the plot.
Trees_in_Middle-earth
Species of tree
Radermachera sinica, also called the china doll, serpent tree or emerald tree, is an evergreen tree in the family Bignoniaceae, native to the subtropical
Radermachera_sinica
Data structure
various properties of a tree such as diameter, center and median. A top tree ℜ {\displaystyle \Re } is defined for an underlying tree T and a set ∂ T {\displaystyle
Top_tree
Self-balancing binary search tree
computer science, an AVL tree (named after inventors Adelson-Velsky and Landis) is a self-balancing binary search tree. In an AVL tree, the heights of the
AVL_tree
Self-adjusting binary search tree
A splay tree is a binary search tree with the additional property that recently accessed elements are quick to access again. Like self-balancing binary
Splay_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
Directed graph where every node has exactly one path to it from the root
including directed rooted tree, out-arborescence, out-tree, and even branching being used to denote the same concept. Rooted tree itself has been defined
Arborescence_(graph_theory)
Chart representing family relationships
A family tree, also called a genealogical tree or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More
Family_tree
American actor
J. R. Villarreal (born September 28, 1992) is an American actor, producer, and second-line director, best known for his roles as Javier in the 2006 film
J._R._Villarreal
Sacred fig tree in Bodh Gaya, Bihar, India
6959139; 84.9914694 The Bodhi Tree (Sanskrit and Pāli: Bodhi meaning "awakening" or "enlightenment") is the specific Bo tree (from the Sinhala bo, derived
Bodhi_tree
1904 short story by M. R. James
"The Ash-tree" is a ghost story by British writer M. R. James, included in his 1904 book Ghost Stories of an Antiquary, and also collected again in his
The_Ash-tree
Theorem in combinatorics generalizing Ramsey's theorem to infinite trees
subtree R of T, S R n ⊂ C i {\displaystyle \mathbb {S} _{R}^{n}\subset C_{i}} for some i ≤ r. This immediately implies Ramsey's theorem; take the tree T to
Milliken's_tree_theorem
Model of computational complexity
complexity theory, the decision tree model is the model of computation in which an algorithm can be considered to be a decision tree, i.e. a sequence of queries
Decision_tree_model
Source: A linear tree of size r {\displaystyle r} is a sequential path of r {\displaystyle r} nodes with the first node as a root of the tree and it is represented
2–3_heap
Database operation
called a singleton. Match at least one of the requested keys. B+ tree k-d tree R-tree Range searching DBSCAN k-nearest neighbors algorithm Nearest neighbor
Range_query_(database)
Mythological plants
Talking trees are a form of sapient trees in mythologies and stories. Ben Bryne initially[when?] said that in Greek mythology, all the trees in the Dodona
Talking_tree
Haplogroup R-FTG47 is a rare subclade of the Y-chromosome haplogroup R-P249 (also known as R2a1), found in the human Y-DNA phylogenetic tree. It is defined
Haplogroup_R-FTG47
Species of flowering plant
name Olea europaea, "European olive") is a species of subtropical evergreen tree in the family Oleaceae. Originating in Asia Minor, it is abundant throughout
Olive
Celebrity Australian pine tree
Fred the Tree is a wild-growing celebrity Casuarina tree (also known as an Australian pine, though it is not a true pine). It is located on the defunct
Fred_the_Tree
Priority queue implemented with a variant of a binary heap
In computer science, a leftist tree or leftist heap is a priority queue implemented with a variant of a binary heap. Every node x has an s-value which
Leftist_tree
American discount variety store chain
Dollar Tree, Inc., formerly known as Dollar Tree Stores, Inc., is an American multi-price-point chain of discount variety stores. Headquartered in Chesapeake
Dollar_Tree
Species of bird
The tree sparrow (Passer montanus Latin pronunciation: [pas.ser mon.ta.nus]) is a passerine bird in the sparrow family with a rich chestnut crown and nape
Eurasian_tree_sparrow
Terpene hydrocarbon
scents and resins characteristic of numerous coniferous and broadleaved trees: red and silver maple (Acer rubrum, Acer saccharinum), cottonwoods (Populus
Limonene
German computer scientist
most important contributions are the database index structures R*-tree, X-tree and IQ-Tree, the cluster analysis algorithms DBSCAN, OPTICS and SUBCLU and
Hans-Peter_Kriegel
English writer and philologist (1892–1973)
Shelley; Thacker, Deborah Cogan (2013). "Tolkien and Trees" (PDF). In Hunt, Peter (ed.). J. R. R. Tolkien: New Casebook. Palgrave Macmillan. ISBN 978-1-137-26399-5
J._R._R._Tolkien
Topics referred to by the same term
protocol Jaguar STR, a car Sort-Tile-Recursive, bulk-loading method for an R-Tree data structure str or STR, term for character string or function in some
STR
Tree in formal language theory
A parse tree or parsing tree (also known as a derivation tree or concrete syntax tree) is an ordered, rooted tree that represents the syntactic structure
Parse_tree
Closed volume that completely contains the union of a set of objects
queries as applicable) and display. It is also a basic component of the R-tree method of spatial indexing. In many applications the bounding box is aligned
Bounding_volume
Significance of trees in religion and folklore
Talking tree Trail trees Tree of Knowledge of Good and Evil Tree of life Tree of life (biblical) Tree of life (Kabbalah) Wish tree World tree Zapis Trees in
Trees_in_mythology
Tree data structure for metric spaces
A BK-tree (short for Burkhard-Keller tree) is a metric tree suggested by Walter Austin Burkhard and Robert M. Keller[1] specifically adapted to discrete
BK-tree
Edible fruit
An apple is the round, edible fruit of an apple tree (Malus spp.). Fruit trees of the orchard or domestic apple (Malus domestica), the most widely grown
Apple
Mixed woodland-grassland ecosystem
woodland-grassland (i.e. grassy woodland) biome and ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The
Savanna
Species of deciduous tree classified in its own family
Paulownia tomentosa, common names princess tree, empress tree, or foxglove-tree, is a deciduous hardwood tree in the family Paulowniaceae, native to central
Paulownia_tomentosa
Diagram used in various mystical traditions
referred to as the "kabbalistic tree of life" to distinguish it from the tree of life that appears alongside the tree of the knowledge of good and evil
Tree_of_life_(Kabbalah)
Species of tree and its edible seeds
excelsa) refers to a South American tree of the monotypic genus Bertholletia in the family Lecythidaceae as well as the tree's commercially-harvested edible
Brazil_nut
2011 American epic experimental drama film directed by Terrence Malick
The Tree of Life is a 2011 American epic experimental coming-of-age drama film written and directed by Terrence Malick. Its main cast includes Brad Pitt
The_Tree_of_Life_(film)
Space partitioning data structure
a ball tree, balltree or metric tree, is a space partitioning data structure for organizing points in a multi-dimensional space. A ball tree partitions
Ball_tree
Form of balanced tree
An AA tree in computer science is a form of balanced tree used for storing and retrieving ordered data efficiently. AA trees are named after their originator
AA_tree
Symbols in Tolkien's legendarium
In J. R. R. Tolkien's legendarium, the Two Trees of Valinor are Telperion and Laurelin, the Silver Tree and the Gold Tree, which bring light to Valinor
Two_Trees_of_Valinor
R TREE
R TREE
Female
Finnish
Finnish myth name of a sprite, possibly TERHENETÄR means "acorn."
Female
Norse
Variant form of Old Norse ÞorrÃðr, ÞURÃÃR means "Þórr's beauty."
Female
Hungarian
Hungarian name derived from the word tündér, TÜNDÉR means "fairy."
Male
Welsh
Welsh form of Greek Georgios, SIÔR means "earth-worker, farmer."
Male
Hungarian
Hungarian form of Greek Baltasar, BOLDIZSÃR means "Ba'al protect the king."
Male
Icelandic
Icelandic form of Old Norse Hallþórr, HALLDÓR means "Thor's rock."
Female
Norse
Variant form of Old Norse SigfrÃðr, SIGRÃÃR means "beautiful victory."
Male
Norse
Variant form of Old Norse Sigvarðr, SIGURÃR means "victory guard."Â
Surname or Lastname
Hungarian (Sugár)
Hungarian (Sugár) : nickname for a well-built person, from sugár ‘tall’, ‘slim’.Translation of German and Jewish Zucker ‘sugar’.English : nickname from the vocabulary word sugar as a term of affection, or possibly an occupational name for a confectioner or dealer in sugar, although there is no evidence for this in English sources.
Female
Irish
Irish and Scottish Gaelic name MÓR means "great."
Male
Norse
Old Norse name composed of the elements folk "people, tribe," and varðr "guard," hence "guardian of the people."
Female
Norse
Old Norse name probably derived from the word garðr, GERÃR means "enclosure, stronghold." In mythology, this is the name of a frost giantess and wife of Freyr.
Female
Norse
Old Norse name derived from the word frÃðr, FRÃÃR means "peace."
Male
Icelandic
Icelandic form of Old Norse Þórr, ÞÓR means "thunder."Â
Male
Hungarian
Hungarian form of Old Norse Ãsgeirr, OSZKÃR means "god-spear."
Female
Norse
Old Norse name AUÃR means "deeply rich."
Male
Portuguese
Portuguese form of Latin Berengarius, BERENGÃR means "bear-spear."
Male
French
French form of German Luitger, LEGÉR means "people-spear."
Male
Norse
Old Norse name composed of the elements ari "eagle" and viðr "tree," hence "eagle tree."
Male
Norse
Old Norse name composed of the elements hallr "rock" and varðr "defender, guardian," hence "rock defender."
R TREE
R TREE
Surname or Lastname
English
English : unexplained. Compare Racey, Rasey, Razey.
Girl/Female
Gujarati, Hindu, Indian, Kannada, Sanskrit
A Jewel or Precious Stone
Boy/Male
Tamil
Excitement
Boy/Male
Australian, Polish
Royal Staff; Staff of the Gods; Meditation Staff
Boy/Male
African, American, Bengali, British, Christian, Danish, Dutch, English, Finnish, French, German, Greek, Hawaiian, Hebrew, Hindu, Indian, Irish, Jamaican, Jewish, Netherlands, Polish, Swedish, Swiss
Who is Like God; Like the Lord; Who Resembles God; Messenger of God; Michael is One of the Seven Archangels in Tradition and the Only One Identified as an Archangel in the Bible; He is Fair; Honest and Confident; A Greatly Respected Leader and an Inspirat
Boy/Male
Hindu, Indian
Birth Less Like Lord Shiva
Boy/Male
Latin
Youth.
Female
Egyptian
, an uncertain goddess.
Surname or Lastname
English
English : habitational name from Pursley Farm in Shenley, Hertfordshire.Probably an altered spelling of German Bürschle, a diminutive of Bursch.
Girl/Female
Hindu, Indian
Portion
R TREE
R TREE
R TREE
R TREE
R TREE
n.
A species of Ranunculus (R. bulbosus); -- called also butterflower, buttercup, kingcup, goldcup.
n.
An oversounding, or a misuse, of the letter r; specifically (Phylol.), the tendency, exhibited in the Indo-European languages, to change s to r, as wese to were.
n.
The fruit of certain species of bramble (Rubus); in England, the fruit of R. caesius, which has a glaucous bloom; in America, that of R. canadensis and R. hispidus, species of low blackberries.
v. t.
To help onward. [R.] See Further.
n.
One who goes upon an expedition. [R].
a.
Porous; as, pory stone. [R.] Dryden.
a.
Loving music. [R.]Busby.
n.
A pagoda. [R.] "Or some queer pagod."
n.
A guttural pronunciation of the letter r; a burr. See Burr, n., 6.
n.
See Orphrey. [Obs.] Rom. of R.
a.
Belonging to the Filices, r ferns.
n.
A name for two kinds of dock (Rumex Patientia and R. Hydrolapathum).
n.
One who, or that which, dilates, expands, o r enlarges.
n.
A binary compound containing hydrogen; a hydride. [R.] See Hydride.
n.
The sweetbrier (R. rubiginosa).
v. r.
To breathe up or out; to exhale.
n.
One who fattens. [R.] See Fattener.
a.
Full of entreaty. [R.] See Intreatful.
n.
Senseless talk. [Obs. or R.] See Galimatias.