SettingsInformation retrieval
30 Digits
30 Digits is a privately held information access and retrieval company with headquarters in Munich, Germany located in the "Münchner Technologie Zentrum".
30 Digits is a privately held information access and retrieval company with headquarters in Munich, Germany located in the "Münchner Technologie Zentrum".
Adversarial information retrieval
Adversarial information retrieval is a topic in information retrieval related to strategies for working with a data source where some portion of it has been manipulated maliciously.
Adversarial information retrieval is a topic in information retrieval related to strategies for working with a data source where some portion of it has been manipulated maliciously.
Anchor text
The anchor text, link label, link text, or link title is the visible, clickable text in a hyperlink.
The anchor text, link label, link text, or link title is the visible, clickable text in a hyperlink.
Askbot
Askbot is an open source question and answer oriented Internet forum similar to Stack Overflow or Yahoo Answers.
Askbot is an open source question and answer oriented Internet forum similar to Stack Overflow or Yahoo Answers.
Audio mining
Audio mining is a technique by which the content of an audio signal can be automatically analysed and searched.
Audio mining is a technique by which the content of an audio signal can be automatically analysed and searched.
Automatic Content Extraction
Automatic Content Extraction is a program for developing advanced Information extraction technologies.
Automatic Content Extraction is a program for developing advanced Information extraction technologies.
BASE (search engine)
BASE is a multi-disciplinary search engine to scholarly internet resources, created by Bielefeld University Library in Bielefeld, Germany.
BASE is a multi-disciplinary search engine to scholarly internet resources, created by Bielefeld University Library in Bielefeld, Germany.
Binary Independence Model
The Binary Independence Model (BIM) is a probabilistic information retrieval technique that makes some simple assumptions to make the estimation of document/query similarity probability feasible.
The Binary Independence Model (BIM) is a probabilistic information retrieval technique that makes some simple assumptions to make the estimation of document/query similarity probability feasible.
Bioinformatic Harvester
The Bioinformatic Harvester is a bioinformatic meta search engine at KIT Karlsruhe Institute of Technology for genes and protein-associated information.
The Bioinformatic Harvester is a bioinformatic meta search engine at KIT Karlsruhe Institute of Technology for genes and protein-associated information.
ChemRefer
ChemRefer is a service that allows searching of freely-available and full-text chemical and pharmaceutical literature that is published by authoritative sources.
ChemRefer is a service that allows searching of freely-available and full-text chemical and pharmaceutical literature that is published by authoritative sources.
Clairlib
Clairlib is a suite of open-source Perl modules developed and maintained by the Computational Linguistics And Information Retrieval group at the University of Michigan.
Clairlib is a suite of open-source Perl modules developed and maintained by the Computational Linguistics And Information Retrieval group at the University of Michigan.
Cluster labeling
Cluster labeling is closely related to the concept of text clustering.
Cluster labeling is closely related to the concept of text clustering.
Cognitive models of information retrieval
Cognitive models of information retrieval rest on the mix of areas such as cognitive science, human-computer interaction, information retrieval, and library science.
Cognitive models of information retrieval rest on the mix of areas such as cognitive science, human-computer interaction, information retrieval, and library science.
Collaborative filtering
Collaborative filtering is a technique used by some recommender systems.
Collaborative filtering is a technique used by some recommender systems.
Collaborative search engine
Collaborative Search Engines are an emerging trend for Web search and Enterprise search within company intranets.
Collaborative Search Engines are an emerging trend for Web search and Enterprise search within company intranets.
Communication engine
A communication engine is a tool that sends user requests to several other communication protocols and/or databases and aggregates the results into a single list or displays them according to th...
A communication engine is a tool that sends user requests to several other communication protocols and/or databases and aggregates the results into a single list or displays them according to th...
Compound term processing
Compound term processing is the name that is used for a category of techniques in Information retrieval applications that performs matching on the basis of compound terms.
Compound term processing is the name that is used for a category of techniques in Information retrieval applications that performs matching on the basis of compound terms.
Concept Search
A concept search is an automated information retrieval method that is used to search electronically stored unstructured text for information that is conceptually similar to the information provi...
A concept search is an automated information retrieval method that is used to search electronically stored unstructured text for information that is conceptually similar to the information provi...
Concept Searching Limited
Concept Searching Limited is a software company which specializes in information retrieval software.
Concept Searching Limited is a software company which specializes in information retrieval software.
Cosine similarity
Cosine similarity is a measure of similarity between two vectors by measuring the cosine of the angle between them.
Cosine similarity is a measure of similarity between two vectors by measuring the cosine of the angle between them.
Cranfield Experiments
The Cranfield experiments were experiments conducted by Cyril W. Cleverdon at Cranfield University in the 1960s to evaluate the efficiency of indexing systems.
The Cranfield experiments were experiments conducted by Cyril W. Cleverdon at Cranfield University in the 1960s to evaluate the efficiency of indexing systems.
Cross Language Evaluation Forum
The Cross-Language Evaluation Forum, or CLEF, is an organization promoting research in multilingual information access (currently focusing on European languages).
The Cross-Language Evaluation Forum, or CLEF, is an organization promoting research in multilingual information access (currently focusing on European languages).
Cross-Language Evaluation Forum
The Cross-Language Evaluation Forum, or CLEF, is an organization promoting research in multilingual information access.
The Cross-Language Evaluation Forum, or CLEF, is an organization promoting research in multilingual information access.
Cross-language information retrieval
Cross-language information retrieval (CLIR) is a subfield of information retrieval dealing with retrieving information written in a language different from the language of the user's query.
Cross-language information retrieval (CLIR) is a subfield of information retrieval dealing with retrieving information written in a language different from the language of the user's query.
Database search engine
Database search engines were initially (and still usually are) included with major database software products.
Database search engines were initially (and still usually are) included with major database software products.
Datanet
On September 28, 2007, the U.S. National Science Foundation Office of Cyberinfrastructure announced a request for proposals with the name Sustainable Digital Data Preservation and Access Network Pa...
On September 28, 2007, the U.S. National Science Foundation Office of Cyberinfrastructure announced a request for proposals with the name Sustainable Digital Data Preservation and Access Network Pa...
Decision engine
A decision engine is a type of web search engine that uses input gathered from the user in order to provide more relevant or targeted results.
A decision engine is a type of web search engine that uses input gathered from the user in order to provide more relevant or targeted results.
Dice's coefficient
Dice's coefficient, named after Lee Raymond Dice and also known as the Dice coefficient, is a similarity measure related to the Jaccard index.
Dice's coefficient, named after Lee Raymond Dice and also known as the Dice coefficient, is a similarity measure related to the Jaccard index.
Discounted cumulative gain
Discounted cumulative gain (DCG) is a measure of effectiveness of a Web search engine algorithm or related applications, often used in information retrieval.
Discounted cumulative gain (DCG) is a measure of effectiveness of a Web search engine algorithm or related applications, often used in information retrieval.
Divergence-from-randomness model
In the field of information retrieval, divergence from randomness is one type of probabilistic model.
In the field of information retrieval, divergence from randomness is one type of probabilistic model.
Document clustering
Document clustering (also referred to as Text clustering) is closely related to the concept of data clustering.
Document clustering (also referred to as Text clustering) is closely related to the concept of data clustering.
Document retrieval
Document retrieval is defined as the matching of some stated user query against a set of free-text records.
Document retrieval is defined as the matching of some stated user query against a set of free-text records.
Dragomir R. Radev
Dragomir R. Radev is a University of Michigan computer science professor working on natural language processing and information retrieval.
Dragomir R. Radev is a University of Michigan computer science professor working on natural language processing and information retrieval.
Dynatext
DynaText is an SGML publishing tool.
DynaText is an SGML publishing tool.
Enterprise search
Enterprise search is the practice of making content from multiple enterprise-type sources, such as databases and intranets, searchable to a defined audience.
Enterprise search is the practice of making content from multiple enterprise-type sources, such as databases and intranets, searchable to a defined audience.
European Conference on Information Retrieval
The European Conference on Information Retrieval (ECIR) is the main European research conference for the presentation of new results in the field of information retrieval (IR).
The European Conference on Information Retrieval (ECIR) is the main European research conference for the presentation of new results in the field of information retrieval (IR).
European Summer School in Information Retrieval
The European Summer School in Information Retrieval (ESSIR) is a scientific event founded in 1990, which starts off a series of Summer Schools to provide high quality teaching of information ret...
The European Summer School in Information Retrieval (ESSIR) is a scientific event founded in 1990, which starts off a series of Summer Schools to provide high quality teaching of information ret...
EXCLAIM
The EXtensible Cross-Linguistic Automatic Information Machine (EXCLAIM) is an integrated tool for cross-language information retrieval (CLIR), created at the University of California, Santa Cruz...
The EXtensible Cross-Linguistic Automatic Information Machine (EXCLAIM) is an integrated tool for cross-language information retrieval (CLIR), created at the University of California, Santa Cruz...
Extended Boolean model
The Extended Boolean Model was described in a Communications of the ACM article appearing in 1983, by Gerard Salton, Edward A. Fox, and Harry Wu. The goal of the Extended Boolean Model is ...
The Extended Boolean Model was described in a Communications of the ACM article appearing in 1983, by Gerard Salton, Edward A. Fox, and Harry Wu. The goal of the Extended Boolean Model is ...
Faceted search
Faceted search, also called faceted navigation or faceted browsing, is a technique for accessing a collection of information represented using a faceted classification, allowing user...
Faceted search, also called faceted navigation or faceted browsing, is a technique for accessing a collection of information represented using a faceted classification, allowing user...
Federated search
Federated search is an information retrieval technology that allows the simultaneous search of multiple searchable resources.
Federated search is an information retrieval technology that allows the simultaneous search of multiple searchable resources.
Figaro Systems
Figaro Systems, Inc. is an American company that provides seatback and wireless titling software and system installations to opera houses and other music performance venues worldwide.
Figaro Systems, Inc. is an American company that provides seatback and wireless titling software and system installations to opera houses and other music performance venues worldwide.
Full text search
In text retrieval, full text search refers to techniques for searching a single computer-stored document or a collection in a full text database.
In text retrieval, full text search refers to techniques for searching a single computer-stored document or a collection in a full text database.
Fuzzy retrieval
Fuzzy retrieval techniques are based on the Extended Boolean model and the Fuzzy set theory.
Fuzzy retrieval techniques are based on the Extended Boolean model and the Fuzzy set theory.
Gain (information retrieval)
The gain, also called improvement over random can be specified for a classifier and is an important measure to describe the performance of it.
The gain, also called improvement over random can be specified for a classifier and is an important measure to describe the performance of it.
Generalized vector space model
The Generalized vector space model is a generalization of the vector space model used in information retrieval.
The Generalized vector space model is a generalization of the vector space model used in information retrieval.
GLIMPSE
GLIMPSE is a text indexing and retrieval software program originally developed at the University of Arizona by Udi Manber, Sun Wu, and Burra Gopal.
GLIMPSE is a text indexing and retrieval software program originally developed at the University of Arizona by Udi Manber, Sun Wu, and Burra Gopal.
Greenpilot
The online portal Greenpilot is a service provided by the German National Library of Medicine, ZB MED.
The online portal Greenpilot is a service provided by the German National Library of Medicine, ZB MED.
Harshness
Harshness (also called raucousness), in music information retrieval, is a Non-Contextual Low-Level Audio Descriptors (NLDs) that represents one dimension of the multi-dimensional psychoaco...
Harshness (also called raucousness), in music information retrieval, is a Non-Contextual Low-Level Audio Descriptors (NLDs) that represents one dimension of the multi-dimensional psychoaco...
Harvester42
The Harvester42 is a meta search engine engine project hosted at KIT Karlsruhe Institute of Technology.
The Harvester42 is a meta search engine engine project hosted at KIT Karlsruhe Institute of Technology.
Hashtag
Hashtags are words or phrases prefixed with the symbol #, a form of metadata tag.
Hashtags are words or phrases prefixed with the symbol #, a form of metadata tag.
Human-computer information retrieval
Human–computer information retrieval (HCIR) is the study of information retrieval techniques that bring human intelligence into the search process.
Human–computer information retrieval (HCIR) is the study of information retrieval techniques that bring human intelligence into the search process.
Human–computer information retrieval
Human–computer information retrieval (HCIR) is the study of information retrieval techniques that bring human intelligence into the search process.
Human–computer information retrieval (HCIR) is the study of information retrieval techniques that bring human intelligence into the search process.
IFACnet
IFACnet, the KnowledgeNet for Professional Accountants, is the global, multilingual search engine developed by the International Federation of Accountants (IFAC) and its members to provide profe...
IFACnet, the KnowledgeNet for Professional Accountants, is the global, multilingual search engine developed by the International Federation of Accountants (IFAC) and its members to provide profe...
Index (search engine)
An alternate name for the process in the context of search engines designed to find web pages on the Internet is Web indexing.
An alternate name for the process in the context of search engines designed to find web pages on the Internet is Web indexing.
Index term
An index term, subject term, subject heading, or descriptor, in information retrieval, is a term that captures the essence of the topic of a document.
An index term, subject term, subject heading, or descriptor, in information retrieval, is a term that captures the essence of the topic of a document.
Information needs
Information need is an individual or group's desire to locate and obtain information to satisfy a conscious or unconscious need.
Information need is an individual or group's desire to locate and obtain information to satisfy a conscious or unconscious need.
Information retrieval
Information retrieval is the area of study concerned with searching for documents, for information within documents, and for metadata about documents, as well as that of searching structured sto...
Information retrieval is the area of study concerned with searching for documents, for information within documents, and for metadata about documents, as well as that of searching structured sto...
Information Retrieval Facility
The Information Retrieval Facility (IRF), founded 2006 and located in Vienna, Austria, is a research platform for networking and collaboration for professionals in the field of information...
The Information Retrieval Facility (IRF), founded 2006 and located in Vienna, Austria, is a research platform for networking and collaboration for professionals in the field of information...
Information Retrieval Specialist Group
The Information Retrieval Specialist Group (IRSG) or BCS-IRSG is a Specialist Group of the British Computer Society concerned with supporting communication between researchers and pr...
The Information Retrieval Specialist Group (IRSG) or BCS-IRSG is a Specialist Group of the British Computer Society concerned with supporting communication between researchers and pr...
Instant indexing
Instant indexing is a marketing term that denotes a feature offered by select Internet search engines that enables users to submit content for immediate inclusion into the index.
Instant indexing is a marketing term that denotes a feature offered by select Internet search engines that enables users to submit content for immediate inclusion into the index.
International Society for Music Information Retrieval
The International Society for Music Information Retrieval (ISMIR) is international forum for research on the organization of music-related data.
The International Society for Music Information Retrieval (ISMIR) is international forum for research on the organization of music-related data.
Isearch
Isearch is open-source text retrieval software first developed in 1994 as part of the Isite Z39.50 information framework.
Isearch is open-source text retrieval software first developed in 1994 as part of the Isite Z39.50 information framework.
Jumper 2.0
ApexKB (formerly Jumper 2.0), is an open source web application script for collaborative search and knowledge management powered by a shared enterprise bookmarking engine that is a fork of Knowl...
ApexKB (formerly Jumper 2.0), is an open source web application script for collaborative search and knowledge management powered by a shared enterprise bookmarking engine that is a fork of Knowl...
Key Word in Context
KWIC is an acronym for Key Word In Context, the most common format for concordance lines.
KWIC is an acronym for Key Word In Context, the most common format for concordance lines.
Keyword optimization
Search engine optimization (SEO) is the process of improving the visibility of a website or a web page in search engines via the "natural" or un-paid ("organic" or "algorithmic") search ...
Search engine optimization (SEO) is the process of improving the visibility of a website or a web page in search engines via the "natural" or un-paid ("organic" or "algorithmic") search ...
Knowledge tags
A knowledge tag is a type of meta-information that describes or defines some aspect of an information resource (such as a document, digital image, relational table, or web page).
A knowledge tag is a type of meta-information that describes or defines some aspect of an information resource (such as a document, digital image, relational table, or web page).
Latent semantic analysis
Latent semantic analysis (LSA) is a technique in natural language processing, in particular in vectorial semantics, of analyzing relationships between a set of documents and the terms they...
Latent semantic analysis (LSA) is a technique in natural language processing, in particular in vectorial semantics, of analyzing relationships between a set of documents and the terms they...
Latent semantic indexing
Latent Semantic Indexing (LSI) is an indexing and retrieval method that uses a mathematical technique called Singular value decomposition (SVD) to identify patterns in the relationships be...
Latent Semantic Indexing (LSI) is an indexing and retrieval method that uses a mathematical technique called Singular value decomposition (SVD) to identify patterns in the relationships be...
Latent semantic mapping
Latent semantic mapping (LSM) is a data-driven framework to model globally meaningful relationships implicit in large volumes of (often textual) data.
Latent semantic mapping (LSM) is a data-driven framework to model globally meaningful relationships implicit in large volumes of (often textual) data.
Learning to rank
Learning to rank or machine-learned ranking is a type of supervised or semi-supervised machine learning problem in which the goal is to automatically construct a ranking model from trainin...
Learning to rank or machine-learned ranking is a type of supervised or semi-supervised machine learning problem in which the goal is to automatically construct a ranking model from trainin...
Legal information retrieval
Legal information retrieval is the science of information retrieval applied to legal text, including legislation, case law, and scholarly works.
Legal information retrieval is the science of information retrieval applied to legal text, including legislation, case law, and scholarly works.
Literature-based discovery
Literature-based discovery refers to the use of papers and other academic publications to find new relationships between existing knowledge.
Literature-based discovery refers to the use of papers and other academic publications to find new relationships between existing knowledge.
Macroglossa Visual Search
Macroglossa is a visual search engine based on the comparison of images, coming from an Italian Group.
Macroglossa is a visual search engine based on the comparison of images, coming from an Italian Group.
MAREC
The MAtrixware REsearch Collection (MAREC) is a standardised patent data corpus available for research purposes.
The MAtrixware REsearch Collection (MAREC) is a standardised patent data corpus available for research purposes.
Masterseek
Masterseek Corp. is a B2B (Business to Business) search engine founded in Denmark in 1999.
Masterseek Corp. is a B2B (Business to Business) search engine founded in Denmark in 1999.
Matthews correlation coefficient
The Matthews correlation coefficient is used in machine learning as a measure of the quality of binary (two-class) classifications.
The Matthews correlation coefficient is used in machine learning as a measure of the quality of binary (two-class) classifications.
Mean reciprocal rank
Mean reciprocal rank is a statistic for evaluating any process that produces a list of possible responses to a query, ordered by probability of correctness.
Mean reciprocal rank is a statistic for evaluating any process that produces a list of possible responses to a query, ordered by probability of correctness.
MEDLARS
MEDLARS (Medical Literature Analysis and Retrieval System) is a computerised biomedical bibliographic retrieval system.
MEDLARS (Medical Literature Analysis and Retrieval System) is a computerised biomedical bibliographic retrieval system.
Mooers' Law
Mooers' Law is an empirical observation of behavior made by American computer scientist Calvin Mooers in 1959.
Mooers' Law is an empirical observation of behavior made by American computer scientist Calvin Mooers in 1959.
Multi-document summarization
Multi-document summarization is an automatic procedure aimed at extraction of information from multiple texts written about the same topic.
Multi-document summarization is an automatic procedure aimed at extraction of information from multiple texts written about the same topic.
Multimedia Information Retrieval
Multimedia Information Retrieval is a research discipline of computer science that aims at extracting semantic information from multimedia data sources.
Multimedia Information Retrieval is a research discipline of computer science that aims at extracting semantic information from multimedia data sources.
Music information retrieval
Music information retrieval is the interdisciplinary science of retrieving information from music.
Music information retrieval is the interdisciplinary science of retrieving information from music.
National Centre for Text Mining
The National Centre for Text Mining is a publicly funded text mining centre.
The National Centre for Text Mining is a publicly funded text mining centre.
Natural language user interface
Natural Language User Interfaces are a type of computer human interface where linguistic phenomena such as verbs, phrases and clauses act as UI controls for creating, selecting and modifying dat...
Natural Language User Interfaces are a type of computer human interface where linguistic phenomena such as verbs, phrases and clauses act as UI controls for creating, selecting and modifying dat...
Nearest neighbor search
Nearest neighbor search (NNS), also known as proximity search, similarity search or closest point search, is an optimization problem for finding closest points in metric ...
Nearest neighbor search (NNS), also known as proximity search, similarity search or closest point search, is an optimization problem for finding closest points in metric ...
Negative search
Negative Search involves the elimination of information which is not relevant from a mass of content in order to present to a user a range of relevant content.
Negative Search involves the elimination of information which is not relevant from a mass of content in order to present to a user a range of relevant content.
Ness Computing
Ness Computing is a personal search company.
Ness Computing is a personal search company.
Noisy text analytics
Noisy text analytics is a process of information extraction whose goal is to automatically extract structured or semistructured information from noisy unstructured text data.
Noisy text analytics is a process of information extraction whose goal is to automatically extract structured or semistructured information from noisy unstructured text data.
Online search
Online search is the process of interactively searching for and retrieving requested information via a computer from databases that are online.
Online search is the process of interactively searching for and retrieving requested information via a computer from databases that are online.
Open domain question answering
In information retrieval, an open domain question answering system aims at returning an answer in response to the user’s question.
In information retrieval, an open domain question answering system aims at returning an answer in response to the user’s question.
Ordered Weighted Averaging (OWA) Aggregation Operators
The Ordered Weighted Averaging operators, commonly called OWA operators, provide a parameterized class of mean type aggregation operators.
The Ordered Weighted Averaging operators, commonly called OWA operators, provide a parameterized class of mean type aggregation operators.
Personalization
Personalization involves using technology to accommodate the differences between individuals.
Personalization involves using technology to accommodate the differences between individuals.
Personalized search
Personalized search refers to search experiences that are tailored specifically to an individual's interests by incorporating information about the individual beyond specific query provided.
Personalized search refers to search experiences that are tailored specifically to an individual's interests by incorporating information about the individual beyond specific query provided.
Pikimal
Pikimal is a website, designed as a decision engine that uses consumer input to provide specialized search results for products and categories.
Pikimal is a website, designed as a decision engine that uses consumer input to provide specialized search results for products and categories.
Poison words
Poison words, or forbidden words, is the name given to words or phrases that trigger suspicion, mistrust and loss of respect, or are of inappropriate character for a given web site in its ...
Poison words, or forbidden words, is the name given to words or phrases that trigger suspicion, mistrust and loss of respect, or are of inappropriate character for a given web site in its ...
Policy framework
A policy framework is a logical structure that is established to organize policy documentation into groupings and categories that make it easier for employees to find and understand the contents...
A policy framework is a logical structure that is established to organize policy documentation into groupings and categories that make it easier for employees to find and understand the contents...
Poliqarp
Poliqarp is an open source search engine designed to process the Polish Corpus created at the Institute of Computer Science, Polish Academy of Sciences.
Poliqarp is an open source search engine designed to process the Polish Corpus created at the Institute of Computer Science, Polish Academy of Sciences.
Precision and recall
In pattern recognition and information retrieval, precision is the fraction of retrieved instances that are relevant, while recall is the fraction of relevant instances that are retrieved.
In pattern recognition and information retrieval, precision is the fraction of retrieved instances that are relevant, while recall is the fraction of relevant instances that are retrieved.
Preference learning
Preference learning is a subfield in machine learning in which the goal is to learn a predictive preference model from observed preference information.
Preference learning is a subfield in machine learning in which the goal is to learn a predictive preference model from observed preference information.
Probabilistic relevance model
The probabilistic relevance model was devised by Robertson and Jones as a framework for probabilistic models to come.
The probabilistic relevance model was devised by Robertson and Jones as a framework for probabilistic models to come.
Proximity search (text)
In text processing, a proximity search looks for documents where two or more separately matching term occurrences are within a specified distance, where distance is the number of intermediate wo...
In text processing, a proximity search looks for documents where two or more separately matching term occurrences are within a specified distance, where distance is the number of intermediate wo...
Queries per second
Queries Per Second (QPS) is a common measure of the amount of search traffic an information retrieval system, such as a search engine or a database, receives during one second.
Queries Per Second (QPS) is a common measure of the amount of search traffic an information retrieval system, such as a search engine or a database, receives during one second.
Query expansion
Query expansion (QE) is the process of reformulating a seed query to improve retrieval performance in information retrieval operations.
Query expansion (QE) is the process of reformulating a seed query to improve retrieval performance in information retrieval operations.
Query likelihood model
The query likelihood model is a language model used in Information Retrieval.
The query likelihood model is a language model used in Information Retrieval.
Question answering
In information retrieval and, question answering is the task of automatically answering a question posed in natural language.
In information retrieval and, question answering is the task of automatically answering a question posed in natural language.
Relevance (information retrieval)
In information science and information retrieval, relevance denotes how well a retrieved document or set of documents meets the information need of the user.
In information science and information retrieval, relevance denotes how well a retrieved document or set of documents meets the information need of the user.
Relevance feedback
Relevance feedback is a feature of some information retrieval systems.
Relevance feedback is a feature of some information retrieval systems.
Rocchio algorithm
The Rocchio algorithm is based on a method of relevance feedback found in information retrieval systems which stemmed from the SMART Information Retrieval System around the year 1970.
The Rocchio algorithm is based on a method of relevance feedback found in information retrieval systems which stemmed from the SMART Information Retrieval System around the year 1970.
Rocchio Classification
Rocchio Classification is based on a method of relevance feedback found in information retrieval systems which stemmed from the SMART Information Retrieval System around the year 1970.
Rocchio Classification is based on a method of relevance feedback found in information retrieval systems which stemmed from the SMART Information Retrieval System around the year 1970.
Schoolr
Schoolr is a front-end academic directory that features frequently used third-party search engines and resources from Google, Wikipedia, Reference.com, Acronym Finder, Wolfram Alpha, Yahoo! Babe...
Schoolr is a front-end academic directory that features frequently used third-party search engines and resources from Google, Wikipedia, Reference.com, Acronym Finder, Wolfram Alpha, Yahoo! Babe...
Scientific data archiving
Scientific data archiving refers to the long-term storage of scientific data and methods.
Scientific data archiving refers to the long-term storage of scientific data and methods.
Search engine (computing)
A search engine is an information retrieval system designed to help find information stored on a computer system.
A search engine is an information retrieval system designed to help find information stored on a computer system.
Search engine indexing
An alternate name for the process in the context of search engines designed to find web pages on the Internet is Web indexing.
An alternate name for the process in the context of search engines designed to find web pages on the Internet is Web indexing.
Search suggest drop-down list
A search suggest drop-down list is a query feature used in computing.
A search suggest drop-down list is a query feature used in computing.
Search-based application
Search-based applications are software applications in which a search engine platform is used as the core infrastructure for information access and reporting.
Search-based applications are software applications in which a search engine platform is used as the core infrastructure for information access and reporting.
Semantic compression
In natural language processing, semantic compression is a process of compacting a lexicon used to build a textual document by reducing language heterogeneity, while maintaing text semantics.
In natural language processing, semantic compression is a process of compacting a lexicon used to build a textual document by reducing language heterogeneity, while maintaing text semantics.
Semantic technology
In software, semantic technology encodes meanings separately from data and content files, and separately from application code.
In software, semantic technology encodes meanings separately from data and content files, and separately from application code.
SimRank
SimRank is a general similarity measure, based on a simple and intuitive graph-theoretic model.
SimRank is a general similarity measure, based on a simple and intuitive graph-theoretic model.
Statistical semantics
Statistical semantics is the study of "how the statistical patterns of human word usage can be used to figure out what people mean, at least to a level sufficient for information access" (Furnas...
Statistical semantics is the study of "how the statistical patterns of human word usage can be used to figure out what people mean, at least to a level sufficient for information access" (Furnas...
Stemming
In linguistic morphology and information retrieval, stemming is the process for reducing inflected words to their stem, base or root form—generally a written word form.
In linguistic morphology and information retrieval, stemming is the process for reducing inflected words to their stem, base or root form—generally a written word form.
Stop words
In computing, stop words are words which are filtered out prior to, or after, processing of natural language data (text).
In computing, stop words are words which are filtered out prior to, or after, processing of natural language data (text).
Subject indexing
Subject indexing is the act of describing or classifying a document by index terms to indicate what the document is about or to summarize its content.
Subject indexing is the act of describing or classifying a document by index terms to indicate what the document is about or to summarize its content.
Subsetting
Subsetting is a concept used in research communities (for example, earth sciences) to describe the process of retrieving just the parts of large files which are of interest for a specific purpose.
Subsetting is a concept used in research communities (for example, earth sciences) to describe the process of retrieving just the parts of large files which are of interest for a specific purpose.
Tag (metadata)
In information systems, a tag is a non-hierarchical keyword or term assigned to a piece of information.
In information systems, a tag is a non-hierarchical keyword or term assigned to a piece of information.
Taganode Local Search Engine
The Open Local Search Engine from Taganode is a search engine specifically targeting mobile phones.
The Open Local Search Engine from Taganode is a search engine specifically targeting mobile phones.
TeLQAS
TeLQAS (Telecommunication Literature Question Answering System) is an experimental question answering system developed for answering English questions in the telecommunications domain.
TeLQAS (Telecommunication Literature Question Answering System) is an experimental question answering system developed for answering English questions in the telecommunications domain.
Temporal information retrieval
Temporal Information Retrieval is an emerging area of research related to the field of Information Retrieval and a considerable number of sub-areas, positioning itself, as an important dimension...
Temporal Information Retrieval is an emerging area of research related to the field of Information Retrieval and a considerable number of sub-areas, positioning itself, as an important dimension...
Term Discrimination
Term Discrimination is a way to rank keywords in how useful they are for Information Retrieval.
Term Discrimination is a way to rank keywords in how useful they are for Information Retrieval.
Text Retrieval Conference
The Text REtrieval Conference (TREC) is an on-going series of workshops focusing on a list of different information retrieval (IR) research areas, or tracks.
The Text REtrieval Conference (TREC) is an on-going series of workshops focusing on a list of different information retrieval (IR) research areas, or tracks.
tf*idf
The tf*idf weight is a numerical statistic which reflects how important a word is to a document in a collection or corpus.
The tf*idf weight is a numerical statistic which reflects how important a word is to a document in a collection or corpus.
tf-idf
The tf–idf weight is a weight often used in information retrieval and text mining.
The tf–idf weight is a weight often used in information retrieval and text mining.
tf–idf
The tf–idf weight (term frequency–inverse document frequency) is a weight often used in information retrieval and text mining.
The tf–idf weight (term frequency–inverse document frequency) is a weight often used in information retrieval and text mining.
Topic-based vector space model
The Topic-based Vector Space Model (TVSM) (literature: ) extends the Vector space model by removing the constraint that the term-vectors be orthogonal.
The Topic-based Vector Space Model (TVSM) (literature: ) extends the Vector space model by removing the constraint that the term-vectors be orthogonal.
Uncertain inference
Uncertain inference was first described by Rijsbergen as a way to formally define a query and document relationship in Information retrieval.
Uncertain inference was first described by Rijsbergen as a way to formally define a query and document relationship in Information retrieval.
URL redirection
URL redirection, also called URL forwarding, is a World Wide Web technique for making a web page available under more than one URL address.
URL redirection, also called URL forwarding, is a World Wide Web technique for making a web page available under more than one URL address.
Vector space model
Vector space model or term vector model is an algebraic model for representing text documents (and any objects, in general) as vectors of identifiers, such as, for example, index terms.
Vector space model or term vector model is an algebraic model for representing text documents (and any objects, in general) as vectors of identifiers, such as, for example, index terms.
Web query classification
Web query topic classification/categorization is a problem in information science.
Web query topic classification/categorization is a problem in information science.
Web search query
A web search query is a query that a user enters into web search engine to satisfy his or her information needs.
A web search query is a query that a user enters into web search engine to satisfy his or her information needs.
XML-Retrieval
XML Retrieval, or XML Information Retrieval, is the content-based retrieval of documents structured with XML (eXtensible Markup Language).
XML Retrieval, or XML Information Retrieval, is the content-based retrieval of documents structured with XML (eXtensible Markup Language).
ZyLAB Technologies
ZyLAB is a developer of software for e-Discovery, Information Management, Email Management, Records, Contract,- and Document Management, Knowledge Management, and Workflow.
ZyLAB is a developer of software for e-Discovery, Information Management, Email Management, Records, Contract,- and Document Management, Knowledge Management, and Workflow.