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Algorithm for computing relational joins
A worst-case optimal join algorithm is an algorithm for computing relational joins with a runtime that is bounded by the worst-case output size of the
Worst-case optimal join algorithm
Worst-case_optimal_join_algorithm
SQL clause
nested loop join, sort-merge join and hash join. Worst-case optimal join algorithms are asymptotically faster than binary join algorithms for joins between
Join_(SQL)
Algorithm for finding shortest paths
instance-optimal, meaning no correct algorithm can asymptotically relax fewer edges on the same graph instance. Although Dijkstra's algorithm is optimal for
Dijkstra's_algorithm
Logic programming language
Stratified negation Aggregate functions Evaluation using a novel worst-case optimal join algorithm. Data constructors Static typing A module system Probabilistic
LogicBlox
Self-balancing binary search tree data structure
take care of only four unbalanced cases and one default balanced case. The original algorithm used eight unbalanced cases, but Cormen et al. (2001) reduced
Red–black_tree
Divide and conquer sorting algorithm
one of the first sorting algorithms where optimal speed up was achieved, with Richard Cole using a clever subsampling algorithm to ensure O(1) merge. Other
Merge_sort
Technique to compress data
optimal prefix code that is commonly used for lossless data compression. The process of finding or using such a code is Huffman coding, an algorithm developed
Huffman_coding
Algorithm to multiply matrices
idealized case of a fully associative cache consisting of M bytes and b bytes per cache line (i.e. M/b cache lines), the above algorithm is sub-optimal for
Matrix multiplication algorithm
Matrix_multiplication_algorithm
which it performs almost linear time and O(n3) in worst case. Inside-outside algorithm: an O(n3) algorithm for re-estimating production probabilities in probabilistic
List_of_algorithms
Bottom-up clustering method for creating phylogenetic trees
algorithm requires knowledge of the distance between each pair of taxa (e.g., species or sequences) to create the phylogenetic tree. Neighbor joining
Neighbor_joining
Computer science data structure
elements may be performed in linear time using the classic Floyd algorithm, with the worst-case number of comparisons equal to 2N − 2s2(N) − e2(N) (for a binary
Heap_(data_structure)
In computer science, join-based tree algorithms are a class of algorithms for self-balancing binary search trees. This framework aims at designing highly-parallelized
Join-based_tree_algorithms
Method for finding minimum spanning trees
In computer science, Prim's algorithm is a greedy algorithm that finds a minimum spanning tree for a weighted undirected graph. This means it finds a
Prim's_algorithm
Rooted binary tree data structure
search algorithms. However, the search complexity of a BST depends upon the order in which the nodes are inserted and deleted; since in worst case, successive
Binary_search_tree
Overview of and topical guide to algorithms
problems with overlapping subproblems and optimal substructure Greedy algorithm — algorithm that makes locally optimal choices Backtracking — search technique
Outline_of_algorithms
The Yannakakis algorithm is an algorithm in database theory for evaluating acyclic join queries (more generally, (alpha-)acyclic conjunctive queries, see
Yannakakis_algorithm
Self-adjusting binary search tree
log n)-Competitive Binary Search Tree with Optimal Worst-Case Access Times". In Kaplan, H. (ed.). Algorithm Theory - SWAT 2010. Lecture Notes in Computer
Splay_tree
Optimization problem
> 2, meaning no optimal solution can be computed in polynomial time unless P=NP. In 2011, Xin Chen et al. provided optimal algorithms for online scheduling
Job-shop_scheduling
Algebra whose elements are stable matchings
lattice. Algorithms that operate on this partial order instead of directly on stable matchings, and that search for lower sets that are optimal in some
Lattice_of_stable_matchings
Decentralized distributed system with lookup service
the owner of any key k using the following greedy algorithm (that is not necessarily globally optimal): at each step, forward the message to the neighbor
Distributed_hash_table
Data structures used in spatial indexing
Density-Link-Clustering is a cluster analysis algorithm that uses the R-tree structure for a similar kind of spatial join to efficiently compute an OPTICS clustering
R-tree
Abstract data type in computer science
binomial heaps, it yields Brodal-Okasaki queues, persistent heaps with optimal worst-case complexities. Lower bound of Ω ( log log n ) , {\displaystyle
Priority_queue
Class of algorithms operating on data streams
Woodruff found an asymptotically optimal algorithm for this problem. It uses O(ε2 + log d) space, with O(1) worst-case update and reporting times, as well
Streaming_algorithm
Independent set which is not a subset of any other independent set
so there is always some progress. In particular, in the worst-case of the previous algorithm (n/2 connected components with 2 nodes each), a MIS will
Maximal_independent_set
Professor emeritus of computer science
introselect, to provide algorithms that are both efficient and have optimal worst-case performance, for use in the STL. He has a doctorate from the University
David_Musser
molecular clock is present. Neighbor Joining approximates the Minimum Evolution optimum using an efficient algorithm O(N3) which makes it very useful when
Minimum_evolution
Algorithm that combines multiple sorted lists into one
Output the minimum element and remove it from its list. In the worst case, this algorithm performs (k−1)(n−k/2) element comparisons to perform its work
Merge_algorithm
American computer scientist and mathematician
theory algorithms, including his strongly connected components algorithm, and co-inventor of both splay trees and Fibonacci heaps. Tarjan joined Princeton
Robert_Tarjan
Family of stochastic optimization methods
Estimation of distribution algorithms (EDAs), sometimes called probabilistic model-building genetic algorithms (PMBGAs), are stochastic optimization methods
Estimation of distribution algorithm
Estimation_of_distribution_algorithm
Concept in computer science
Paterson that a deterministic algorithm for achieving consensus is impossible. This impossibility result derives from worst-case scheduling scenarios, which
Consensus_(computer_science)
Finding the smallest circle that contains all given points
in any higher-dimensional space of bounded dimension are solvable in worst-case linear time. Most of the geometric approaches for the problem look for
Smallest-circle_problem
Optimization problem in computer science
Mount, D. M.; Netanyahu, N. S.; Silverman, R.; Wu, A. (1998). "An optimal algorithm for approximate nearest neighbor searching" (PDF). Journal of the
Nearest_neighbor_search
Algorithm for listing maximal cliques
In computer science, the Bron–Kerbosch algorithm is an enumeration algorithm for finding all maximal cliques in an undirected graph. That is, it lists
Bron–Kerbosch_algorithm
Graph data structure
several known algorithms for e-matching, the relational e-matching algorithm is based on worst-case optimal joins and is worst-case optimal. Given an e-class
E-graph
Self-balancing binary search tree
(2016), "Just Join for Parallel Ordered Sets", Symposium on Parallel Algorithms and Architectures, Proc. of 28th ACM Symp. Parallel Algorithms and Architectures
Weight-balanced_tree
binomial heaps, it yields Brodal-Okasaki queues, persistent heaps with optimal worst-case complexities. Lower bound of Ω ( log log n ) , {\displaystyle
Comparison_of_data_structures
analysis — measuring the expected performance of algorithms under slight random perturbations of worst-case inputs Symbolic-numeric computation — combination
List of numerical analysis topics
List_of_numerical_analysis_topics
of codewords for worst-case pathological error patterns where the actual transmitted codeword is included in the output list. In case of typical error
List_decoding
American computer scientist
Theory of Optimal Algorithms, with Woźniakowski. This was the first research monograph on information-based complexity. Greg Wasilkowski joined Traub and
Joseph_F._Traub
Paradox related to increasing roadway capacity
route can in some cases reduce overall performance. That is because the Nash equilibrium of such a system is not necessarily optimal. The network change
Braess's_paradox
American mathematician
Simplicial Algorithms in Approximation Zeros of Complex Polynomials was supervised by Stephen Smale. After postdoc positions, Renegar joined in 1987 the
James_Renegar
Tree data structure
each write performs a large amount of useful work, thereby avoiding the worst-case performance of B-trees, in which each disk write may change a small amount
Fractal_tree_index
involves the construction of a minimum spanning tree by a distributed algorithm, in a network where nodes communicate by message passing. It is radically
Distributed minimum spanning tree
Distributed_minimum_spanning_tree
polynomial time. However, it is still NP-hard to find a Pareto optimal or socially optimal outcome. In particular, for hedonic games given by individually
Hedonic_game
Abstract data type
strictly purely functional non catenable deques, both of which have optimal worst-case bounds (not officially published). Ada's containers provides the generic
Double-ended_queue
Collection of classes and functions used in the C++ programming language
practice but has poor worst-case performance, but introsort was introduced to allow both fast average performance and optimal worst-case complexity, and as
C++_Standard_Library
Data structure
various path-related operations. It allows simple divide-and-conquer algorithms. It has since been augmented to maintain dynamically various properties
Top_tree
Three raised to an integer power
S2CID 9855414 Tomita, Etsuji; Tanaka, Akira; Takahashi, Haruhisa (2006), "The worst-case time complexity for generating all maximal cliques and computational experiments"
Power_of_three
Indian Professor of Electrical and Computer Engineering
Kleinheksel and A. K. Somani, "Efficient Distributed All-Pairs Algorithms: Management using Optimal Cyclic Quorums," in IEEE Transactions on Parallel and Distributed
Arun_K._Somani
Theorem in political science
ambiguous in that two different spatial representations imply two different optimal winners. This is the ambiguity we sought to avoid earlier by adopting a
Median_voter_theorem
American computer scientist and engineer
Markov joined Google’s Search team, where he completely rewrote the algorithm responsible for trivial‐query detection, improving its worst‐case time complexity
Igor_L._Markov
Data structure with nodes pointing to the next node
special case of multiply linked list, the fact that the two and more orders are opposite to each other leads to simpler and more efficient algorithms, so
Linked_list
Use of multiple antennas in radio
include variable latency and runtime complexity. In some cases, especially under low SNR, the algorithm may need to explore many nodes before finding the ML
MIMO
Form of encryption that allows computation on ciphertexts
security of his scheme on the assumed hardness of two problems: certain worst-case problems over ideal lattices, and the sparse (or low-weight) subset sum
Homomorphic_encryption
Switching costs inhibiting a change of vendor
dilemma—if the cost to resist is greater than the cost of joining, then the locally optimal choice is to join—a barrier that takes cooperation to overcome. The
Vendor_lock-in
American healthcare company
policy-holders. In April 2010, Reuters alleged that Wellpoint "using a computer algorithm, identified women recently diagnosed with breast cancer and then singled
Elevance_Health
Method of DNA sequence reconstruction
sequences (known as repeats) which can, in the worst case, increase the time and space complexity of algorithms quadratically; DNA read errors in the fragments
Sequence_assembly
Computational prediction of nucleic acid structure
programming algorithm for predicting pseudoknots. However, this dynamic programming algorithm is very slow. The standard dynamic programming algorithm for free
Nucleic acid structure prediction
Nucleic_acid_structure_prediction
Database management system
achieves its performance through a combination of join algorithms, including binary and worst-case optimal joins, as well as factorization and vectorized query
Embedded_database
social media's role in society. The platform has frequently updated its algorithms to balance user experience with engagement-driven revenue, but these changes
History_of_Facebook
American economist and econometrician (born 1955)
S2CID 53127266. Rust, John; Rothwell, Geoffrey (1995). "Optimal Response to a Shift in Regulatory Regime: The Case of the US Nuclear Power Industry". Journal of
John_Rust
Index of articles associated with the same name
standard of optimal choice for an election outcome. An alternative, stricter criterion is given by the Landau set. A voting system satisfies join-consistency
Voting_criteria
score (stub, start, C, B, good, featured) assigned via a machine learning algorithm. They found that "articles attracting more attention tend to have more
Reliability_of_Wikipedia
development of quantum computers has been performed with machine learning algorithms. For example, there is a prototype, photonic, quantum memristive device
Applications of artificial intelligence
Applications_of_artificial_intelligence
Diplomatic policy of concessions
strategy seeking a peaceful settlement of Hitler's grievances. "Chamberlain's worst error", says McDonough, "was to believe that he could march Hitler on the
Appeasement
British economist (1883–1946)
Velupillai, K. Vela (2016). "Universal Man: A Review Article" (PDF). Algorithmic Social Sciences Research Unit: Discussion Paper Series. Archived (PDF)
John_Maynard_Keynes
(where entities appear to "snap" between different positions), or in worst-case scenarios, the player being removed from the server entirely, or kicked
Glossary_of_video_game_terms
Gene editing method
effector protein, modifying the sgRNA, or using an algorithmic approach to identify existing optimal solutions. Specificity is an important aspect to improve
CRISPR_gene_editing
Science of rubbing surfaces
that is the frequency with which different temperatures intervene. For optimal results it is also good to eliminate, as much as possible, impurities between
Tribology
to be exempt as they lack 'editorial responsibility', however each use algorithms to exert 'effective control' and profit from arrangement of media. After
Law_of_the_European_Union
Voting system that makes outcomes proportional to vote totals
used in the proportional formula. Alternatively, the MMP (seat linkage) algorithm can be used with a mixed single vote to "top-up" to a proportional result
Proportional_representation
Electronic circuits that utilize digital signals
done using the Quine–McCluskey algorithm or binary decision diagrams. There are promising experiments with genetic algorithms and annealing optimizations
Digital_electronics
1986 video game
"Game Design Essentials: 20 Mysterious Games – Games That Rely on Algorithmically-Generated Content". Gamasutra. Archived from the original on May 11
Starflight
Watercraft capable of independent underwater operation
as World War I, it was realized that the optimal shape for withstanding pressure conflicted with the optimal shape for seakeeping and minimal drag at
Submarine
Study of language comparison using quantitative methods
languages, Bayesian inference is used to search for the optimal tree. A Markov Chain Monte Carlo algorithm generates a sample of trees as an approximation to
Quantitative comparative linguistics
Quantitative_comparative_linguistics
2019 maritime disaster
operations were coordinated by the United States Coast Guard. The sinking is the worst maritime disaster in California since the sinking of the Brother Jonathan
Sinking_of_MV_Conception
Graph in climate science
Bayesian Algorithm for Reconstructing Climate Anomalies in Space and Time. Part II: Comparison with the Regularized Expectation–Maximization Algorithm", Journal
Hockey stick graph (global temperature)
Hockey_stick_graph_(global_temperature)
"Global, regional, and national burden of mortality associated with non-optimal ambient temperatures from 2000 to 2019: a three-stage modelling study"
2021_in_science
Street plan of Manhattan
Schuyler said that "In 1811 the gridiron had been so widely accepted as the optimal street arrangement for a commercial city that the plan received only perfunctory
Commissioners'_Plan_of_1811
American operations researcher
non-pharmaceutical intervention. In one email, Lee wrote "Diamond Princess shows case the worst form of social gathering. It doesn't matter even though it seems the
Eva_K._Lee
Impact of global warming on Turkey, mitigation of and adaptation to it
with deep learning, support vector machine and artificial neural network algorithms". Journal of Cleaner Production. 285 125324. Bibcode:2021JCPro.28525324B
Climate_change_in_Turkey
Scheme used in a duplicate bridge session to assign opponents
the same boards. Equating 4s=r-4s to equalize the influence yields the optimal solution s=r/8, which means that arrow switches on one-eighth (1/8) of
Duplicate_bridge_movements
"Global, regional, and national burden of mortality associated with non-optimal ambient temperatures from 2000 to 2019: a three-stage modelling study"
2021_in_the_environment
WORST CASE-OPTIMAL-JOIN-ALGORITHM
WORST CASE-OPTIMAL-JOIN-ALGORITHM
Girl/Female
American, Australian, British, Chinese, Christian, English, Hebrew
Modern Female Version of John and Jon; The Lord is Gracious
Male
English
Short form of English Caleb, CALE means "dog" or "rabid."
Female
English
Medieval English contracted form of Old French Johanne, JOAN means "God is gracious." Compare with masculine Joan.
Boy/Male
American, Australian, British, English, Irish
Rope-maker; A Cape
Girl/Female
English American
Modern feminine of John and Jon.
Female
English
Variant spelling of English Kate, CATE means "pure."
Female
English
English short form of Latin Cassandra, CASS means "she who entangles men."Â
Surname or Lastname
Americanized spelling of German Kast.English (Essex, Kent)
Americanized spelling of German Kast.English (Essex, Kent) : possibly a nickname from Norman caste ‘chaste’, ‘virtuous’ (from Old French chaste).Possibly an altered spelling of French Caste, cognate with 2.
Male
English
 Anglicized form of Greek Ioannes (Latin Johannes), JOHN means "God is gracious." In the bible, this is the name of many characters, including John the Baptist.
Boy/Male
American, Australian, British, Dutch, English, French, Irish
Bringer of Peace; Box
Female
English
Variant spelling of English Jonie, JONI means "God is gracious."
Male
Finnish
Finnish form of Greek Ioannes (Latin Johannes), JONI means "God is gracious."
Boy/Male
Irish
Form of John the Baptist.
Male
Irish
Irish Gaelic form of Greek Ioannes, EOIN means "God is gracious."
Boy/Male
Irish English
Observant; alert; vigorous.
Surname or Lastname
English
English : metonymic occupational name for a huntsman, or rather a nickname for an exceptionally skilled huntsman, from Middle English chase ‘hunt’ (Old French chasse, from chasser ‘to hunt’, Latin captare).Southern French : topographic name for someone who lived in or by a house, probably the occupier of the most distinguished house in the village, from a southern derivative of Latin casa ‘hut’, ‘cottage’, ‘cabin’.Thomas Chase came to MA from Chesham, Buckinghamshire, England, in the 1640s, and had many prominent descendants. Samuel Chase, born in Somerset Co., MD, in 1741, was one of the first members of the U.S. Supreme Court; Philander Chase, born in Cornish, NH, in 1741 was a prominent Episcopal clergyman, and his nephew Salmon Portland Chase (1808–73), also born in Cornish, was governor of OH, a U.S. senator, and secretary of the U.S. Treasury during the Civil War.
Surname or Lastname
English
English : from Anglo-Norman French cas(s)e ‘case’, ‘container’ (from Latin capsa), hence a metonymic occupational name for a maker of boxes or chests.Americanized spelling of French Caisse.Americanized spelling of Kaas.Americanized spelling of German Käse, a metonymic occupational name for a maker or seller of cheese. Compare Kaeser.
Male
English
Middle English surname (of Norman French origin) transferred to forename use, CHASE means "hunter."Â
Female
English
Variant spelling of English Cassie, CASEY means "she who entangles men." Compare with masculine Casey.Â
Male
German
Low German name, possibly derived from the word horst, HORST means "wooded hill."
WORST CASE-OPTIMAL-JOIN-ALGORITHM
WORST CASE-OPTIMAL-JOIN-ALGORITHM
Boy/Male
Indian, Punjabi, Sikh
Prosperous Light
Girl/Female
Arabic, Muslim, Sindhi
Precious Stone
Boy/Male
Irish
From cian “â€ancient, enduring.â€â€ In legend Cian Mac Mael Muad was the son-in-law of Brian Boru (read the legend) who led the armies from the province of Munster to victory over the invading Vikings at the Battle of Clontarf in 1014, a battle in which both he and Brian were killed. Cian was the eighth most popular Irish boys name in Ireland in 2003.
Boy/Male
Hindu, Indian, Traditional
Blue Lotus
Girl/Female
Muslim
Beauty
Surname or Lastname
English
English : habitational name from Cavil, a place in the East Riding of Yorkshire, named from Old English cÄ â€˜jackdaw’ + feld ‘open country’.
Girl/Female
Indian
Gem, Jewel
Girl/Female
Hindu
Inspiration, Enthusiasm
Girl/Female
Persian American
Dawn; bright.
Girl/Female
Australian, Welsh
Very Beautiful; Very Fair
WORST CASE-OPTIMAL-JOIN-ALGORITHM
WORST CASE-OPTIMAL-JOIN-ALGORITHM
WORST CASE-OPTIMAL-JOIN-ALGORITHM
WORST CASE-OPTIMAL-JOIN-ALGORITHM
WORST CASE-OPTIMAL-JOIN-ALGORITHM
v. i.
To grow worse; to deteriorate.
n.
A box and its contents; the quantity contained in a box; as, a case of goods; a case of instruments.
n.
An inclosing frame; a casing; as, a door case; a window case.
v. t.
To strip the skin from; as, to case a box.
n.
A box, sheath, or covering; as, a case for holding goods; a case for spectacles; the case of a watch; the case (capsule) of a cartridge; a case (cover) for a book.
a.
In a worse degree; in a manner more evil or bad.
v. t.
To accept, or engage in, as a contest; as, to join encounter, battle, issue.
v. t.
To make worse; to put disadvantage; to discomfit; to worst. See Worst, v.
v. i.
To be contiguous, close, or in contact; to come together; to unite; to mingle; to form a union; as, the hones of the skull join; two rivers join.
v. t.
To associate one's self to; to be or become connected with; to league one's self with; to unite with; as, to join a party; to join the church.
a.
Relating to the science of optics; as, optical works.
a.
Bad, evil, or pernicious, in the highest degree, whether in a physical or moral sense. See Worse.
n.
See St. John's-wort.
a.
Alloyed with inferior metal; debased; as, base coin; base bullion.
n.
That which befalls, comes, or happens; an event; an instance; a circumstance, or all the circumstances; condition; state of things; affair; as, a strange case; a case of injustice; the case of the Indian tribes.
n.
That which is worse; something less good; as, think not the worse of him for his enterprise.
a.
Involving an option; depending on the exercise of an option; left to one's discretion or choice; not compulsory; as, optional studies; it is optional with you to go or stay.
v. t.
To join; to connect; to unite; to combine.
imp. & p. p.
of Case
n.
The part or space included between two joints, knots, nodes, or articulations; as, a joint of cane or of a grass stem; a joint of the leg.