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In computer science, a retrieval data structure, also known as static function, is a space-efficient dictionary-like data type composed of a collection
Retrieval_Data_Structure
Way to obtain data from a database
Data retrieval means obtaining data from a database management system (DBMS), like for example an object-oriented database (ODBMS). In this case, it is
Data_retrieval
Particular way of storing and organizing data in a computer
plain old data structures to distinguish them from objects. Hash tables, also known as hash maps, are data structures that provide fast retrieval of values
Data_structure
Type of information retrieval using LLMs
semi-structured, or structured data (for example knowledge graphs). These embeddings are then stored in a vector database to allow for document retrieval.
Retrieval-augmented generation
Retrieval-augmented_generation
Abstract data type
counter to keep track of the size of the list: structure frame: data: item next: frame or nil structure stack: head: frame or nil size: integer procedure
Stack_(abstract_data_type)
Finding information for an information need
describes data, and for databases of texts, images, or sounds. Cross-modal retrieval implies retrieval across modalities. Automated information retrieval systems
Information_retrieval
Type of database that uses vectors to represent other data
engines, object detection, and retrieval-augmented generation (RAG). Vector embeddings are mathematical representations of data in a high-dimensional space
Vector_database
Standard format for electronic dictionaries
Japanese. A subset of EPWING V1 is standardized as JIS X 4081 ("Retrieval Data Structure for Japanese Electronic Publication"). In 1986, Fujitsu, Iwanami
EPWING
Data organized by tags but not tables
Semi-structured data is a form of structured data that is not rigidly structured. The data model associated with semi-structured data is interpreted when
Semi-structured_data
In computer science, a search data structure[citation needed] is any data structure that allows the efficient retrieval of specific items from a set of
Search_data_structure
Information retrieval involving digital images
An image retrieval system is a computer system used for browsing, searching and retrieving images from a large database of digital images. Most traditional
Image_retrieval
Process in data storage
Data extraction is the act or process of retrieving data out of (usually unstructured or poorly structured) data sources for further data processing or
Data_extraction
Computer language used to make queries into databases and information systems
according to whether they are database query languages or information retrieval query languages. The difference is that a database query language attempts
Query_language
Organized collection of data in computing
2015. Hershey, William; Easthope, Carol (1972). A set theoretic data structure and retrieval language. Spring Joint Computer Conference, May 1972. ACM SIGIR
Database
Type of computer program
program and data storage system designed for storing, retrieving, and managing document-oriented information, also known as semi-structured data. Document-oriented
Document-oriented_database
Long-term storage of research data
Research data archiving is the long-term storage of scholarly research data, including the natural sciences, social sciences, and life sciences. The various
Research_data_archiving
Knowledge retrieval seeks to return information in a structured form, consistent with human cognitive processes as opposed to simple lists of data items.
Knowledge_retrieval
Discrete, discontinuous representation of information
subset of the original data. In order to do this, the key of the subset of data to be retrieved must be known before retrieval begins. The most popular
Digital_data
Process of encoding and decoding binary data to and from synthesized strands of DNA
Krasnogor implemented a stack data structure using DNA, allowing for last-in, first-out (LIFO) data recording and retrieval. Their approach used hybridization
DNA_digital_data_storage
Database model
describing data structures for storing the data and retrieval procedures for answering queries. Most relational databases use the SQL data definition
Relational_model
Research organisation in music data
Society for Music Information Retrieval (ISMIR) is an international forum for research on the organization of music-related data. It started as an informal
International Society for Music Information Retrieval
International_Society_for_Music_Information_Retrieval
Practice for controlling corporate data
service also become more efficient, as MDM data facilitates rapid, accurate, and thorough information retrieval, permitting more employee time to be spent
Master_data_management
Subgroup of the Association for Computing Machinery
Information Retrieval. The scope of the group's specialty is the theory and application of computers to the acquisition, organization, storage, retrieval and
Special Interest Group on Information Retrieval
Special_Interest_Group_on_Information_Retrieval
Technical document summarizing components
information retrieval, display, design, testing, interfacing, verification, system discovery, and e-commerce. Examples include Open Icecat data-sheets, transducer
Datasheet
Type of database index
itself, rather than its index. It is the most popular data structure used in document retrieval systems, used on a large scale for example in search engines
Inverted_index
Information without a formal data model
can allow for easy retrieval of data. Clustering Pattern recognition List of text mining software Semi-structured data Structured data ^ Today's Challenge
Unstructured_data
Reduction of data redundancy
the process of structuring a relational database in accordance with a series of normal forms to reduce data redundancy and improve data integrity. It was
Database_normalization
Type of knowledge base
graph is a knowledge base that uses a graph-structured data model or topology to represent and operate on data. Knowledge graphs are often used to store
Knowledge_graph
Academic field concerned with collection and analysis of information
Washington, DC: IEEE. Frakes, William B. (1992). Information Retrieval Data Structures & Algorithms. Prentice-Hall, Inc. ISBN 978-0-13-463837-9. Archived
Information_science
Classical information retrieval model
The (standard) Boolean model of information retrieval (BIR) is a classical information retrieval (IR) model where documents are retrieved based on whether
Boolean model of information retrieval
Boolean_model_of_information_retrieval
Form of controlled vocabulary
international standard for information retrieval thesauri, defines a thesaurus as a “controlled and structured vocabulary in which concepts are represented
Thesaurus (information retrieval)
Thesaurus_(information_retrieval)
Topics referred to by the same term
game Deltarune Query, a precise request for information retrieval made to a database, data structure or information system Query language, a computer language
Query
Online database maintained by St. Louis Federal Reserve Bank
data sources, while categories and tags provide systems for browsing and metadata classification. Categories form a hierarchical browsing structure,
Federal_Reserve_Economic_Data
Interdisciplinary science of getting data from music
Music information retrieval (MIR) is the interdisciplinary science of retrieving information from music. Those involved in MIR may have a background in
Music_information_retrieval
Content-based retrieval of XML documents
XML retrieval, or XML information retrieval, is the content-based retrieval of documents structured with XML (eXtensible Markup Language). As such it
XML_retrieval
Learning technique performed with flashcards
following tests. Although expanding retrieval is commonly associated with spaced repetition, a uniform retrieval schedule is also a form of spaced repetition
Spaced_repetition
Disciplines of managing data as a resource
structured storage and retrieval of data. By the 1980s, relational database models revolutionized data management, emphasizing the importance of data
Data_management
Contextual queries
403–408. Retrieved 1 May 2009. Ruotsalo, T. (May 2012). "Domain Specific Data Retrieval on the Semantic Web". The Semantic Web: Research and Applications. Eswc2012
Semantic_search
The hippocampus participates in the encoding, consolidation, and retrieval of memories. The hippocampus is located in the medial temporal lobe (subcortical)
Hippocampal memory encoding and retrieval
Hippocampal_memory_encoding_and_retrieval
information retrieval (MMIR or MIR) is a research discipline of computer science that aims at extracting semantic information from multimedia data sources
Multimedia information retrieval
Multimedia_information_retrieval
Numerical relationship among rows in different tables
world, data modeling is critical because as the data grows voluminous, tables linked by keys must be used to speed up programmed retrieval of data. If a
Cardinality_(data_modeling)
Enfilades are a class of tree data structures invented by computer scientist Ted Nelson and used in Project Xanadu "Green" designs of the 1970s and 1980s
Enfilade_(Xanadu)
(Open-source Project for a Network Data Access Protocol) is an endeavor focused on enhancing the retrieval of remote, structured data through a Web-based architecture
OPeNDAP
Software class or data structure whose instances are collections of other objects
In computer science, a container is a class or a data structure whose instances are collections of other objects. In other words, they store objects in
Container (abstract data type)
Container_(abstract_data_type)
Any algorithm which solves the search problem
the study of information retrieval, not algorithmics. The appropriate search algorithm to use often depends on the data structure being searched, and may
Search_algorithm
Structuring text as input to generative artificial intelligence
data. This allows LLMs to use domain-specific and/or updated information. RAG improves large language models by incorporating information retrieval before
Prompt_engineering
Computer-based technologies
have one common point in that the structure of the data they contain is defined and stored separately from the data itself, in a database schema. In the
Information_technology
Mapping arbitrary data to fixed-size values
hash tables are used in data storage and retrieval applications to access data in a small and nearly constant time per retrieval. They require an amount
Hash_function
Similarity measure for number sequences
retrieval Singhal, Amit (2001). "Modern Information Retrieval: A Brief Overview". Bulletin of the IEEE Computer Society Technical Committee on Data Engineering
Cosine_similarity
Error-detecting code for detecting data changes
contents. On retrieval, the calculation is repeated and, in the event the check values do not match, corrective action can be taken against data corruption
Cyclic_redundancy_check
Robust aircraft electronic recording device
aircraft to increase the probability of successful data retrieval after a crash. Carriage of data recording equipment became mandatory in UK-registered
Flight_recorder
International standard for advanced animal transponders
storage and retrieval of additional information (integrated database), the implementation of authentication methods and reading of the data of integrated
ISO_14223
Process of salvaging inaccessible data from corrupted or damaged secondary storage
MBR and filesystem structures After the drive has been cloned to a new drive, it is suitable to attempt the retrieval of lost data. If the drive has failed
Data_recovery
Technique in natural language processing
represent very dissimilar documents. An information retrieval technique using latent semantic structure was patented in 1988 by Scott Deerwester, Susan Dumais
Latent_semantic_analysis
The postings list is a data structure commonly used in information retrieval (IR) systems to store indexing information about a corpus. It is central
Postings_list
Data structure
tree (also radix trie or compact prefix tree or compressed trie) is a data structure that represents a space-optimized trie (prefix tree) in which each node
Radix_tree
Content-based image retrieval
Reverse image search is a content-based image retrieval technique where a user provides an image which the system will then search for among its dataset
Reverse_image_search
Machine learning methods using multiple input modalities
model performance in tasks like visual question answering, cross-modal retrieval, text-to-image generation, aesthetic ranking, and image captioning. Multimodal
Multimodal_learning
Database for storage and retrieval of triples
purpose-built database for the storage and retrieval of triples through semantic queries. A triple is a data entity composed of subject–predicate–object
Triplestore
Storage of telephony and internet traffic and transaction metadata
Retention Directive and the New Provision Regulating Police Access to the Retrieval of Data in Emergency Situations] (in Norwegian). Government of Norway. 26
Data_retention
Centralized storage of knowledge
makes data easier to understand and speeds up data retrieval. Dimensional structures are easy for business users to understand because the structure is divided
Data_warehouse
Method of extracting data from websites
which specific data is gathered and copied from the web, typically into a central local database or spreadsheet, for later retrieval or analysis. Scraping
Web_scraping
Method for data management
indexing is the collecting, parsing, and storing of data to facilitate fast and accurate information retrieval. Index design incorporates interdisciplinary concepts
Search_engine_indexing
Serial number used to identify a periodical publication
those media versions of the title. The use of ISSN-L facilitates search, retrieval and delivery across all media versions for services like OpenURL, library
ISSN
Extension of the Web to facilitate data exchange
Improving information retrieval thereby reducing information overload and increasing the refinement and precision of the data retrieved Identifying relevant
Semantic_Web
Search tree data structure
known as a digital tree or prefix tree, is a specialized search tree data structure used to store and retrieve strings from a dictionary or set. Unlike
Trie
Application layer protocol
RFC 1945. The protocol structures transaction as operating on resources. What a resource represents, whether pre-existing data or data that is generated dynamically
HTTP
overcome this problem, special data structures, called indexes, are designed in order to support fast retrieval. Such data structures, together with the accompanying
Term_indexing
Data structure for query optimization in databases
A database index is a data structure that improves the speed of data retrieval operations on a database table at the cost of additional writes and storage
Database_index
Process of reducing words to word stems
26–30 Frakes, W. B. (1992); Stemming algorithms, Information retrieval: data structures and algorithms, Upper Saddle River, NJ: Prentice-Hall, Inc. Hafer
Stemming
Business representation of data
describe an organization's knowledge assets, including unstructured and structured data in a consistent, machine and human readable representation. These semantic
Semantic_layer
Database class for storage and retrieval of modeled data
retrieves data differently from the traditional table-based structure of relational databases. Unlike relational databases, which organize data into rows
NoSQL
Data structure
linked leaves. The primary value of a B+ tree is in storing data for efficient retrieval in a block-oriented storage context—in particular, filesystems
B+_tree
Common word that search engines avoid indexing to save time and space
the stop words for a given purpose. The "general trend in [information retrieval] systems over time has been from standard use of quite large stop lists
Stop_word
Use of machine learning to rank items
the construction of ranking models for information retrieval and recommender systems. Training data may, for example, consist of lists of items with some
Learning_to_rank
Conversion process for computer data
process of translating a data structure or object state into a format that can be stored (e.g. files in secondary storage devices, data buffers in primary storage
Serialization
Data about other data
the book. But, while a data asset is finite, its metadata is infinite. As such, efforts to define, classify types, or structure metadata are expressed
Metadata
Grouping a set of objects by similarity
including pattern recognition, image analysis, information retrieval, bioinformatics, data compression, computer graphics and machine learning. Cluster
Cluster_analysis
Open source time series database
database (TSDB) developed by the company InfluxData. It is used for storage and retrieval of time series data in fields such as operations monitoring, application
InfluxDB
Topics referred to by the same term
Sequential Access Method (ISAM), used for indexing data for fast retrieval Lookup table, a data structure used to store precomputed information Site map,
Index
Method of 3D reconstruction from moving objects
cloud data comparable in density and accuracy to those generated by terrestrial and airborne laser scanning at a fraction of the cost. Structure from motion
Structure_from_motion
Query entered into a web search engine
release of user search data". CNET. Jansen, B. J., Spink, A., Bateman, J., and Saracevic, T. 1998. Real life information retrieval: A study of user queries
Web_query
Software for managing digital content
but will typically include: Intuitive indexing, search, and retrieval features index all data for easy access through search functions and allow users to
Content_management_system
Standards on data collection and storage
managing transaction data and (master) reference data. Another is splitting data capture systems from data retrieval systems (as done in a data warehouse). Technology
Data_architecture
most popular data deduplication algorithms for the last 15 years. Chunk (information), a fragment of data within certain file formats Retrieval-augmented
Chunking_(computing)
Process of ensuring computer data is both correct and useful
characters of one or more known primitive data types as defined in a programming language or data storage and retrieval mechanism. For example, an integer field
Data_validation
Optimization problem in computer science
retrieve semantically similar records Retrieval-augmented generation systems, where nearest-neighbor retrieval over embeddings is used to fetch candidate
Nearest_neighbor_search
Property of computer data storage
(transaction) that happens to the data is logged by the program, and on retrieval the program must combine the pieces of data found in this log file. Blockchains
Append-only
Data structure with nodes pointing to the next node
of data elements whose order is not given by their physical placement in memory. Instead, each element points to the next. It is a data structure consisting
Linked_list
Process of analysing text to extract information from it
information retrieval, lexical analysis to study word frequency distributions, pattern recognition, tagging/annotation, information extraction, data mining
Text_mining
Document search algorithm
Learned Sparse Retrieval. LSR approaches have also been extended to the vision-language domain, where they are applied to multimodal data, such as the combination
Learned_sparse_retrieval
Digital object that holds together all column families of a design
abstraction in a distributed data store. This is fundamental in preserving the structural heuristics in dynamic data retrieval. Multiple relay protocol algorithms
Keyspace (distributed data store)
Keyspace_(distributed_data_store)
Software for finding documents
information retrieval. Cambridge: Cambridge university press. ISBN 978-0-521-86571-5. "The New Face of Enterprise Search: Bridging Structured and Unstructured
Enterprise_search
Analysis of datasets using techniques from topology
High-dimensional data is impossible to visualize directly. Many methods have been invented to extract a low-dimensional structure from the data set, such as
Topological_data_analysis
Subset of artificial intelligence
continuation that isn't supported by its input, training data, or outside information. Retrieval augmented generation, citation checking, constrained output
Machine_learning
Protocol for communicating between LLMs and applications
for a user Retrieval-augmented generation David, Emilia (November 25, 2024). "Anthropic releases Model Context Protocol to standardize AI-data integration"
Model_Context_Protocol
System to help searching for information
In computing, a search engine is an information retrieval software system designed to help find information stored on one or more computer systems. Search
Search_engine_(computing)
Music discovery website
internet" and "gloriously minimalist". The Echo Nest Music information retrieval Silberling, Amanda (February 12, 2024). "Spotify's layoffs put an end
Every_Noise_at_Once
Source available in-memory key–value database
on abstract data types rather than queries to be executed by a database engine. Data is stored in structures designed for direct retrieval. It does not
Redis
Technologies for discovering content about a place
placenames. Like traditional information retrieval systems, GIR systems index text and information from structured and unstructured documents, and also augment
Geographic information retrieval
Geographic_information_retrieval
travel, tourism, insurance
RETRIEVAL DATA-STRUCTURE
RETRIEVAL DATA-STRUCTURE
Female
Finnish
 Short form of Finnish Katariina, KATA means "pure." Compare with other forms of Kata.
Male
English
English surname transferred to unisex forename use, possibly DANA means "from Denmark."
Female
Russian
 Short form of Russian Yekaterina, KATA means "pure." Compare with other forms of Kata.
Male
Turkish
Turkish name ATA means "ancestor."
Female
Polish
 Variant spelling of Polish Dyta, DITA means "rich battle." Compare with another form of Dita.
Female
English
 Middle English name DARA means "brave, daring." Compare with another form of Dara.
Female
Polish
Short form of Polish Edyta, DYTA means "rich battle."
Male
Iranian/Persian
 Short form of Persian Dârayavahush, DARA means "possesses a lot, wealthy." Compare with other forms of Dara.
Female
English
 English surname transferred to unisex forename use, possibly DANA means "from Denmark." Compare with other forms of Dana.
Female
Finnish
Variant form of Finnish Aada, AATA means "noble."
Female
Hindi/Indian
(लता) Hindi name derived from a plant name, from the Sanskrit word lata, LATA means "creeper," in reference to a creeping plant.
Boy/Male
Hindu, Indian, Kannada
Successful
Female
Hungarian
 Short form of Hungarian Katalin, KATA means "pure." Compare with other forms of Kata.
Female
Slavic
 Short form of Slavic Bogdana, DANA means "gift from God." Compare with other forms of Dana.
Male
Hebrew
(דֶּרַע) Hebrew name DARA means "the arm." In the bible, this is the name of a son of Zerah. Compare with other forms of Dara.
Male
Irish
Irish Gaelic name MAC DARA means "son of oak." This is the name of a patron saint and is still common in Ireland, especially in Connemara.
Male
Irish
 From Irish Gaelic Mac Dara, DARA means "son of oak." Compare with other forms of Dara.
Male
Hebrew
Variant spelling of Hebrew Dathan, DATAN means "belonging to a fountain."
Female
Hebrew
(דִּיתָה) Pet form of Hebrew Yehuwdiyth, DITA means "Jewess" or "praised." Compare with another form of Dita.
Female
Hebrew
(×“Ö¼Ö¸× Ö¸×”) Feminine form of Hebrew Dan, DANA means "judge." Compare with other forms of Dana.
RETRIEVAL DATA-STRUCTURE
RETRIEVAL DATA-STRUCTURE
RETRIEVAL DATA-STRUCTURE
RETRIEVAL DATA-STRUCTURE
RETRIEVAL DATA-STRUCTURE
RETRIEVAL DATA-STRUCTURE
RETRIEVAL DATA-STRUCTURE
travel, tourism, insurance