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Algorithm used in distributed computing
The Chandy–Lamport algorithm is a snapshot algorithm that is used in distributed systems for recording a consistent global state of an asynchronous system
Chandy–Lamport_algorithm
A snapshot algorithm is used to create a consistent snapshot of the global state of a distributed system. Due to the lack of globally shared memory and
Snapshot_algorithm
Consensus algorithm
Raft is a consensus algorithm designed as an alternative to the Paxos family of algorithms. It was meant to be more understandable than Paxos by means
Raft_(algorithm)
Data structure in distributed computing
processes. A very basic snapshot algorithm guarantees system-wide progress, but is only lock-free. It is easy to extend this algorithm, so that it is wait-free
Shared_snapshot_objects
Algorithm Ricart–Agrawala Algorithm Snapshot algorithm: record a consistent global state for an asynchronous system Chandy–Lamport algorithm Vector clocks: generate
List_of_algorithms
Database management technique
(transaction management), snapshot isolation is a guarantee that all reads made in a transaction will see a consistent snapshot of the database (in practice
Snapshot_isolation
Concurrent programming algorithm for mutual exclusion
Peterson's algorithm (or Peterson's solution) is a concurrent programming algorithm for mutual exclusion that allows two or more processes to share a single-use
Peterson's_algorithm
Algorithm used for frequency estimation and radio direction finding
multiple observation snapshots. The standard MUSIC algorithm estimates the autocorrelation matrix Rx from L independent snapshots via temporal averaging
MUSIC_(algorithm)
Image search engine by Google Inc
By Image: Use A Snapshot As Your Search Query". TechCrunch. Knight, Shawn (December 13, 2012). "Google updates image search algorithm, makes it harder
Google_Images
Parameter-free superresolution algorithm
the SAMV algorithm in SISO radar/sonar range-Doppler imaging problem. This imaging problem is a single-snapshot application, and algorithms compatible
SAMV_(algorithm)
active state. Dijkstra–Scholten algorithm Huang, Shing-Tsaan (1989). "Termination detection by using distributed snapshots". Information Processing Letters
Huang's_algorithm
Data-driven algorithm
dynamics (SINDy) is a data-driven algorithm for obtaining dynamical systems from data. Given a series of snapshots of a dynamical system and its corresponding
Sparse identification of non-linear dynamics
Sparse_identification_of_non-linear_dynamics
File synchronization protocol and software
computers by comparing the modification times and sizes of files. The rsync algorithm is a type of delta encoding, and is used for minimizing network usage
Rsync
Dimensionality reduction algorithm
of A {\displaystyle A} . The original DMD algorithm picks A {\displaystyle A} so that each of the snapshots in V 2 N {\displaystyle V_{2}^{N}} can be
Dynamic_mode_decomposition
Model-free reinforcement learning algorithm
Q-learning is a reinforcement learning algorithm that trains an agent to assign values to its possible actions based on its current state, without requiring
Q-learning
Copy-on-write file system
extent will break sharing between snapshots and consume disk space. To preserve sharing, an update-and-swap algorithm is used, with a special relocation
Btrfs
American computer scientist and mathematician (born 1941)
resources at the same time, the Chandy–Lamport algorithm for the determination of consistent global states (snapshot), and the Lamport signature, one of the
Leslie_Lamport
Method of capturing a multi-wavelength data cube
The computed tomography imaging spectrometer (CTIS) is a snapshot imaging spectrometer which can produce in fine the three-dimensional (i.e. spatial and
Computed tomography imaging spectrometer
Computed_tomography_imaging_spectrometer
EMC Corporation's term for redundant copies of data in a disk array
cost of the additional storage persistent usage A snapshot BCV, that uses copy on write algorithm on the production volume uses only a small additional
Business_continuance_volume
Form of radar used to create images of landscapes
lenses of conical, cylindrical and spherical shape. The Range-Doppler algorithm is an example of a more recent approach. Synthetic-aperture radar determines
Synthetic-aperture_radar
Concurrency control method commonly used by database management systems
The most common isolation level implemented with MVCC is snapshot isolation. With snapshot isolation, a transaction observes a state of the data as of
Multiversion concurrency control
Multiversion_concurrency_control
British video game designer (born 1965)
Enemy Unknown in 1994. He later founded Codo Technologies in 2001 and Snapshot Games in 2013. Gollop designed and programed games in the 1980s on the
Julian_Gollop
Image capture method
each frame of a video (in a video camera) is captured not by taking a snapshot of the entire scene at a single instant in time but rather by scanning
Rolling_shutter
Concurrency control method for collaborative software
document at different sites may diverge (inconsistent). The first OT algorithm was proposed in Ellis and Gibbs's paper to achieve convergence in a group
Operational_transformation
Indirectly forming images from measurements using algorithms
Reconstruction algorithms then estimate the full data cube from fewer measurements than would be required by direct scanning. The coded aperture snapshot spectral
Computational_imaging
Search engine from Google
phrases on a website page or in an installed application program. It uses algorithms to analyze and rank websites based on their relevance to the query and
Google_Search
Software system for finding relevant information on the Web
webservers edited by Tim Berners-Lee and hosted on the CERN webserver. One snapshot of the list in 1992 remains, but as more and more web servers went online
Search_engine
Copy-on-write file system
systems with snapshot functionality lack". Very large numbers of snapshots can be taken without degrading performance, allowing snapshots to be used prior
ZFS
Formal specification language
is also used to write machine-checked proofs of correctness both for algorithms and mathematical theorems. The proofs are written in a declarative, hierarchical
TLA+
Software that emulates an entire computer
such snapshots.[citation needed] Restoring a snapshot consists of discarding or disregarding all overlay layers that are added after that snapshot, and
Virtual_machine
Multiversion concurrency control Snapshot isolation Concurrency pattern InterBase Lock-free and wait-free algorithms Introduction to Database Systems
Non-lock_concurrency_control
Species of woodlouse
behaviours of P. scaber, an algorithm for solving constrained optimization problems was proposed, called the Porcellio scaber algorithm (PSA). List of woodlice
Porcellio_scaber
2013 short story by Ted Chiang
Tribune; published June 20, 2014; retrieved January 21, 2017 Short Fiction Snapshot #7: "The Truth of Fact, the Truth of Feeling" by Ted Chiang, reviewed by
The Truth of Fact, the Truth of Feeling
The_Truth_of_Fact,_the_Truth_of_Feeling
System allowing searching of encrypted documents
the keyword w {\displaystyle w} . A static SSE scheme consists of three algorithms S S E = ( S e t u p , T o k e n , S e a r c h ) {\displaystyle {\mathsf
Searchable symmetric encryption
Searchable_symmetric_encryption
Properties of database transactions
multiple versions of data allow transactions to read from an appropriate snapshot while other transactions perform updates. MVCC can reduce read–write blocking
ACID
Computer network protocol
RFC 7692 introduced compression extension to WebSocket using the DEFLATE algorithm on a per-message basis. A web application (e.g. web browser) may use the
WebSocket
Approximating an arbitrary function with a well-behaved one
(2019-04-01). "A snapshot on nonstandard supervised learning problems: taxonomy, relationships, problem transformations and algorithm adaptations". Progress
Function_approximation
Discontinued learning management system
became the CEO of Edmodo the following year. In 2014, Edmodo launched Snapshot – a suite of assessment tools to measure student progress on educational
Edmodo
American financial services company
2025). "The Algorithm That Pays You: Inside DailyPay's AI Strategy for On Demand Pay". syncni.com. Retrieved 2026-03-17. "Funding Snapshot: DailyPay Raises
DailyPay
Concurrency control technique for databases
employ the generalization of ECO (MVECO). CO based snapshot isolation (COSI) is the intersection of Snapshot isolation (SI) with MVCO. SI is a multiversion
Commitment_ordering
Distributed version control software system
detecting renames while browsing the history of snapshots rather than recording it when making the snapshot. (Briefly, given a file in revision N, a file
Git
Hosted hypervisor for Windows and Linux
Workstation Pro can save the state of a virtual machine (a "snapshot") at any instant. These snapshots can later be restored, effectively returning the virtual
VMware_Workstation
Type of shared data structure
shared memory Shared snapshot objects Kshemkalyani, Ajay D.; Singhal, Mukesh (2008). Distributed computing : principles, algorithms, and systems. Cambridge:
Shared_register
Collecting network paths
continues to map both the IPv4 and IPv6 Internet. The data allows for both a snapshot and view over time of the routed infrastructure of a particular geographical
Internet_Mapping_Project
Family of optimization algorithms
(Stochastic) variance reduction is an algorithmic approach to minimizing functions that can be decomposed into finite sums. By exploiting the finite sum
Stochastic_variance_reduction
Decentralized distributed system with lookup service
exact-match search, rather than keyword search, although Freenet's routing algorithm can be generalized to any key type where a closeness operation can be
Distributed_hash_table
Technique for inserting fault tolerance into computing systems
that provides fault tolerance for computing systems. It involves saving a snapshot of an application's state, so that it can restart from that point in case
Application_checkpointing
Computation model defining an abstract machine
Despite the model's simplicity, it is capable of implementing any computer algorithm. The machine operates on an infinite memory tape divided into discrete
Turing_machine
Copy-on-write file system developed by Apple
APFS is optimized for solid-state drive storage and supports encryption, snapshots, and improved handling of metadata integrity. Apple File System was announced
Apple_File_System
Atomic computer processor instruction
CAS will notice and report this fact, causing the algorithm to retry. Some CAS-based algorithms are affected by and must handle the problem of a false
Compare-and-swap
Family of database software by Microsoft
replication is configured. Snapshot replication Snapshot replication publishes a copy of the entire database (the then-snapshot of the data) and replicates
Microsoft_SQL_Server
Programming technique for efficiently duplicating data
enables features like snapshots, which capture the state of a file at a specific time without consuming much additional space. Snapshots typically store only
Copy-on-write
Software that systematically browses the World Wide Web
and navigated as if they were on the live web, but are preserved as 'snapshots'. The large volume implies the crawler can only download a limited number
Web_crawler
Integral expressing the amount of overlap of one function as it is shifted over another
discarding portions of the output. Other fast convolution algorithms, such as the Schönhage–Strassen algorithm or the Mersenne transform, use fast Fourier transforms
Convolution
Multi-wavelength imaging method
scanning), which acquire images of an area at different wavelengths, and snapshot hyperspectral imagers, which uses a staring array to generate an image
Hyperspectral_imaging
Algorithm mapping tool
Наглядность, lit. 'Friendly Russian Algorithmic language, Which Provides Clarity') is a free and open source algorithmic visual programming and modeling language
DRAKON
Peer-to-peer file sharing application
eDonkey clients only made up a small minority of the whole network. A snapshot of the eDonkey website with the RIAA notice. On September 12, 2006 it was
EDonkey2000
Topics referred to by the same term
asteroid search team located at the Farpoint Observatory Fast Auroral Snapshot Explorer, one in the series of NASA's Small Explorer spacecraft Five-hundred-meter
Fast
ligand, and several attempt to model a flexible protein receptor. Each "snapshot" of the pair is referred to as a pose. In this approach, proteins are typically
Searching the conformational space for docking
Searching_the_conformational_space_for_docking
Language family of south China and Southeast Asia
Zev (2008). "What is Sino-Tibetan? Snapshot of a Field and a Language Family in Flux: Sino-Tibetan: a Snapshot". Language and Linguistics Compass. 2
Hmong–Mien_languages
Art and practice of creating images by recording light
recording medium. In contrast to a still camera, which captures a single snapshot at a time, the movie camera takes a series of images, each called a "frame"
Photography
Programming language
safety. Snapshot files, a core part of the Dart VM, store objects and other runtime data. Script snapshots Dart programs can be compiled into snapshot files
Dart_(programming_language)
American healthcare marketplace
publicize their moderation algorithm. Other review websites, such as Yelp and TripAdvisor, also do not publish their moderation algorithm, with Yelp stating to
RealSelf
Global radio telescope array
CHIRP algorithm created by Katherine Bouman and others. The algorithms that were ultimately used were a regularized maximum likelihood (RML) algorithm and
Event_Horizon_Telescope
Online list or catalog of Wide sites
edited by Tim Berners-Lee and hosted on the CERN webserver. One historical snapshot from 1992 remains. He also created the World Wide Web Virtual Library,
Web_directory
American computer scientist (born 1961)
Retrieval using geometric algorithms, and Algorithmic Automation for Feeding, Fixturing, Grasping, with an emphasis on geometric algorithms that minimize sensing
Ken_Goldberg
Distributed data processing framework
host the file system index, and a secondary NameNode that can generate snapshots of the namenode's memory structures, thereby preventing file-system corruption
Apache_Hadoop
Multirole combat aircraft prototype by Boeing
allbusiness.com, 1 December 2001. Retrieved: 13 September 2009. "Historical Snapshot: X-32 Joint Strike Fighter". Boeing. 2015. Retrieved 17 July 2015. "National
Boeing_X-32
Social networking service owned by Meta Platforms
Retrieved March 23, 2010. Goldman, Russell (January 5, 2007). "Facebook Gives Snapshot of Voter Sentiment". ABC News. Retrieved March 23, 2010. Sullivan, Michelle
Problem in network theory
network. Link prediction can also have a temporal aspect, where, given a snapshot of the set of links at time t {\displaystyle t} , the goal is to predict
Link_prediction
Temporal limit of a model's knowledge
guidelines. A large language model is trained before deployment on static snapshots of data collected from the internet, books, and other sources up to a
Knowledge_cutoff
Multivariate statistical classification technique in marketing
different algorithms leads to different results, but there is no single best approach for selecting the best algorithm, just as no algorithm offers any
Geodemographic_segmentation
AI that generates content
consumption that is estimated to be growing steadily. The origins of algorithmically generated media can be traced to the development of the Markov chain
Generative_AI
Canadian AI software company
cell phone data accessed under direction from PHAC to view a detailed snapshot of people's behaviour, including visits to the grocery store, gatherings
BlueDot
(CTIS), image replicating imaging spectrometer (IRIS), coded aperture snapshot spectral imager (CASSI), and image mapping spectrometer (IMS). In 1704
Imaging_spectrometer
Hierarchical file packaging format
the data directory, as well as their checksums. The particular checksum algorithm is included as part of the manifest filename. For instance, a manifest
BagIt
Lab technique in cellular biology
quantify and identify RNA molecules in a biological sample, providing a snapshot of the transcriptome at a specific time. It enables transcriptome-wide
RNA-Seq
Game development studio
the algorithm. In hopes of allowing better quality games to thrive, Epic Games is continuously updating and making changes to the Discovery algorithm. These
Unreal_Editor_for_Fortnite
U.S. stock market crash lasting 36 minutes in May 6, 2010
financial trader. Among the charges included was the use of spoofing algorithms; just prior to the flash crash, he placed orders for thousands of E-mini
2010_flash_crash
Collection of data
book, An Introduction to the Statistical Modeling of Extreme Values are a snapshot of the data as it was provided on-line by Stuart Coles, the book's author
Data_set
Italian computer scientist
(Shamos appears as a co-author of the book). This book, which represents a snapshot of the disciplines as of 1985, has been for many years the standard textbook
Franco_P._Preparata
Data recovery technique
SmartCarving algorithm is the basis for the Adroit Photo Forensics and Adroit Photo Recovery applications from Digital Assembly. Snapshots of computers'
File_carving
Time-series data collected at fine scale
information on time stamps, cancellations, and buyer/seller identification. Snapshots of the order book activities can be recorded on equi-distant based grids
High_frequency_data
Measures to ensure concurrent computing operations generate correct results
additional complexity and overhead in a concurrent algorithm compared to the simpler sequential algorithm. For example, a failure in concurrency control can
Concurrency_control
retrieved April 14, 2026 "DML Language Reference - SystemDS 3.4.0-SNAPSHOT". apache.github.io. Retrieved April 14, 2026. Innes, Mike (May 3, 2018)
Comparison of machine learning software
Comparison_of_machine_learning_software
Technology capable of matching a face from an image against a database of faces
Facial recognition systems are applications that use algorithms to compare facial images or representations to verify an identity or to identify a person
Facial_recognition_system
Functional logic programming language
concepts such as the selective linear definite clause resolution (SLD) algorithm. It can be viewed as a pure subset of Prolog with strong types and modes
Mercury (programming language)
Mercury_(programming_language)
Defunct US government agency
(link) Kettl, Donald F. (February 5, 2026). "The tail wagging the dog: Snapshots of the public service a year into the second Trump administration". Government
Department of Government Efficiency
Department_of_Government_Efficiency
Prediction method in molecular modeling
The success of a docking program depends on two components: the search algorithm and the scoring function. The search space in theory consists of all possible
Docking_(molecular)
Partition into subsets from a given family
abbreviated X3C. Knuth's Algorithm X is an algorithm that finds all solutions to an exact cover problem. DLX is the name given to Algorithm X when it is implemented
Exact_cover
Checking software against expectations
data comparison of text or screenshots of the UI, is sometimes called snapshot testing or Golden Master Testing unlike many other forms of testing, this
Software_testing
Signal processing technique used in radar
commonly used in radar systems. It involves adaptive array processing algorithms to aid in target detection. Radar signal processing benefits from STAP
Space-time adaptive processing
Space-time_adaptive_processing
multiple photographs into a single large sheet of paper. An automatic algorithm, Blocked Recursive Image Composition, automatically arranged the photographs
Snapfish_Lab
Signal processing technique
Following the introduction of linear programming and Dantzig's simplex algorithm, the L 1 {\displaystyle L^{1}} -norm was used in computational statistics
Compressed_sensing
or by a governmental authority. Since consensus statements provide a "snapshot in time" of the state of knowledge in a particular topic, they must periodically
Medical_consensus
Citizen science platform
Logo Project Type Description Launch date Snapshot Serengeti Filtering Classifying animals at the Serengeti National Park in Tanzania using images gathered
Zooniverse
Mirroring of computer files
list of files and the changed files eliminates this problem (e.g. the "snapshot" feature in Beyond Compare or the "package" feature in Synchronize It!)
File_synchronization
Computer simulations to discover and understand chemical properties
numerical integration that can be minimized with proper selection of algorithms and parameters, but not eliminated. For systems that obey the ergodic
Molecular_dynamics
List of versions of the Java programming language
time (time to peak performance) in JIT mode: Project CRaC enables making snapshots of whole JVM (together with the running application) and restoring it
Java_version_history
functional programming Production rules triggered by events Versioned snapshots of the state of the whole system, or any part, supporting rollback and
Claire_(programming_language)
travel, tourism, insurance
SNAPSHOT ALGORITHM
SNAPSHOT ALGORITHM
SNAPSHOT ALGORITHM
SNAPSHOT ALGORITHM
SNAPSHOT ALGORITHM
SNAPSHOT ALGORITHM
SNAPSHOT ALGORITHM
SNAPSHOT ALGORITHM
SNAPSHOT ALGORITHM
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