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Meaning can be generated when information is related at a systemic level. Such a system can be an observer, but also a discourse, for example, operationalized as a set of documents. The measurement of semantics as similarity in patterns…

Computation and Language · Computer Science 2011-02-01 Loet Leydesdorff , Kasper Welbers

Latent Semantic Analysis (LSA) was initially conceived by the cognitive psychology at the 90s decade. Since its emergence, the LSA has been used to model cognitive processes, pointing out academic texts, compare literature works and analyse…

Computation and Language · Computer Science 2019-02-07 Dalina Aidee Villa , Igor Barahona , Luis Javier Álvarez

Latent Semantic Analysis (LSA) is a well known method for information retrieval. It has also been applied as a model of cognitive processing and word-meaning acquisition. This dual importance of LSA derives from its capacity to modulate the…

Information Retrieval · Computer Science 2007-05-23 Juan C. Valle-Lisboa , Eduardo Mizraji

Probabilistic Latent Semantic Analysis is a novel statistical technique for the analysis of two-mode and co-occurrence data, which has applications in information retrieval and filtering, natural language processing, machine learning from…

Machine Learning · Computer Science 2013-01-30 Thomas Hofmann

Most current word prediction systems make use of n-gram language models (LM) to estimate the probability of the following word in a phrase. In the past years there have been many attempts to enrich such language models with further…

Computation and Language · Computer Science 2008-01-31 Tonio Wandmacher , Jean-Yves Antoine

The main goal of this paper is to explore latent topic analysis (LTA), in the context of quantum information retrieval. LTA is a valuable technique for document analysis and representation, which has been extensively used in information…

Machine Learning · Computer Science 2019-03-08 Fabio A. González , Juan C. Caicedo

Latent semantic analysis (LSA) and correspondence analysis (CA) are two techniques that use a singular value decomposition (SVD) for dimensionality reduction. LSA has been extensively used to obtain low-dimensional representations that…

Information Retrieval · Computer Science 2024-11-20 Qianqian Qi , David J. Hessen , Tejaswini Deoskar , Peter G. M. van der Heijden

Latent Semantic Analysis is a method of matrix decomposition used for discovering topics and topic weights in natural language documents. This study uses Latent Semantic Analysis to analyze the composition of binaries of malicious programs.…

Cryptography and Security · Computer Science 2023-03-02 John Musgrave , Temesguen Messay-Kebede , David Kapp , Anca Ralescu

The fast-growing amount of information on the Internet makes the research in automatic document summarization very urgent. It is an effective solution for information overload. Many approaches have been proposed based on different…

Computation and Language · Computer Science 2018-08-01 Kamal Al-Sabahi , Zuping Zhang , Jun Long , Khaled Alwesabi

Positional and relational perspectives on network data have led to two different research traditions in textual analysis and social network analysis, respectively. Latent Semantic Analysis (LSA) focuses on the latent dimensions in textual…

Computers and Society · Computer Science 2016-08-16 Loet Leydesdorff

Capturing the semantic relations of words in a vector space contributes to many natural language processing tasks. One promising approach exploits lexico-syntactic patterns as features of word pairs. In this paper, we propose a novel model…

Computation and Language · Computer Science 2018-09-11 Koki Washio , Tsuneaki Kato

This paper introduces Latent Relational Analysis (LRA), a method for measuring semantic similarity. LRA measures similarity in the semantic relations between two pairs of words. When two pairs have a high degree of relational similarity,…

Machine Learning · Computer Science 2007-05-23 Peter D. Turney

In this tutorial, I will discuss the details about how Probabilistic Latent Semantic Analysis (PLSA) is formalized and how different learning algorithms are proposed to learn the model.

Machine Learning · Statistics 2012-12-24 Liangjie Hong

Latent Semantic Analysis (LSA) is a widely used Information Retrieval method based on "bag-of-words" assumption. However, according to general conception, syntax plays a role in representing meaning of sentences. Thus, enhancing LSA with…

Information Retrieval · Computer Science 2007-05-23 Tuomo Kakkonen , Niko Myller , Erkki Sutinen

Both latent semantic analysis (LSA) and correspondence analysis (CA) are dimensionality reduction techniques that use singular value decomposition (SVD) for information retrieval. Theoretically, the results of LSA display both the…

Information Retrieval · Computer Science 2023-09-15 Qianqian Qi , David J. Hessen , Peter G. M. van der Heijden

Semantic parsing is a means of taking natural language and putting it in a form that a computer can understand. There has been a multitude of approaches that take natural language utterances and form them into lambda calculus expressions --…

Computation and Language · Computer Science 2023-01-31 Parth Parekh , Cedric McGuire , Jake Imyak

Humans can learn to solve new tasks by inducing high-level strategies from example solutions to similar problems and then adapting these strategies to solve unseen problems. Can we use large language models to induce such high-level…

Machine Learning · Computer Science 2025-08-27 Weijia Xu , Nebojsa Jojic , Nicolas Le Roux

One task that is included in managing documents is how to find substantial information inside. Topic modeling is a technique that has been developed to produce document representation in form of keywords. The keywords will be used in the…

Computation and Language · Computer Science 2015-12-03 Derwin Suhartono

Mined Semantic Analysis (MSA) is a novel concept space model which employs unsupervised learning to generate semantic representations of text. MSA represents textual structures (terms, phrases, documents) as a Bag of Concepts (BoC) where…

Computation and Language · Computer Science 2018-01-03 Walid Shalaby , Wlodek Zadrozny

This paper introduces Latent Relational Analysis (LRA), a method for measuring relational similarity. LRA has potential applications in many areas, including information extraction, word sense disambiguation, machine translation, and…

Computation and Language · Computer Science 2007-05-23 Peter D. Turney
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