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Latent semantic structure indexing information


Latent semantic structure indexing (LaSSI) is a technique for calculating chemical similarity derived from latent semantic analysis (LSA).

LaSSI was developed at Merck & Co. and patented in 2007[1] by Richard Hull, Eugene Fluder, Suresh Singh, Robert Sheridan, Robert Nachbar and Simon Kearsley.

  1. ^ United States Patent: 7219020

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Latent semantic analysis

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its application to information retrieval, it is sometimes called latent semantic indexing (LSI). LSA can use a document-term matrix which describes the occurrences...

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Latent semantic structure indexing

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Latent semantic structure indexing (LaSSI) is a technique for calculating chemical similarity derived from latent semantic analysis (LSA). LaSSI was developed...

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Search engine indexing

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to find web pages on the Internet, is web indexing. Popular search engines focus on the full-text indexing of online, natural language documents. Media...

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Distributional semantics

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including latent semantic analysis (LSA), Hyperspace Analogue to Language (HAL), syntax- or dependency-based models, random indexing, semantic folding and...

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Semantic memory

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one experiment. The two measures used to measure semantic relatedness in this model are latent semantic analysis (LSA) and word association spaces (WAS)...

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Latent Dirichlet allocation

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retrieval using linked data and semantic web technology. Related models and techniques are, among others, latent semantic indexing, independent component analysis...

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Semantic Web

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Google indexing engine specifically looks for such attempts at manipulation. Peter Gärdenfors and Timo Honkela point out that logic-based semantic web technologies...

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Semantic similarity

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statistical model of documents, and use it to estimate similarity. LSA (latent semantic analysis): (+) vector-based, adds vectors to measure multi-word terms;...

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Document retrieval

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(information retrieval) Full text search Information retrieval Latent semantic indexing Search engine Kim W, Aronson AR, Wilbur WJ (2001). "Automatic MeSH...

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Pachinko allocation

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_{d}P(d|\alpha )} Probabilistic latent semantic indexing (PLSI), an early topic model from Thomas Hofmann in 1999. Latent Dirichlet allocation, a generalization...

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Word embedding

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decomposition then led to the introduction of latent semantic analysis in the late 1980s and the random indexing approach for collecting word cooccurrence...

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Topic model

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Raghavan, Prabhakar; Tamaki, Hisao; Vempala, Santosh (1998). "Latent semantic indexing". Proceedings of the seventeenth ACM SIGACT-SIGMOD-SIGART symposium...

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Autoencoder

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assist in optimizing keyword usage for better indexing. Semantic Search: By using autoencoder techniques, semantic representation models of content can be created...

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Information retrieval

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Topic-based Vector Space Model Extended Boolean model Latent semantic indexing a.k.a. latent semantic analysis Probabilistic models treat the process of...

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Document classification

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Expectation maximization (EM) Instantaneously trained neural networks Latent semantic indexing Multiple-instance learning Naive Bayes classifier Natural language...

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Semantic desktop

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In computer science, the semantic desktop is a collective term for ideas related to changing a computer's user interface and data handling capabilities...

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Natural language processing

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Communication Technologies Language model Language technology Latent semantic indexing Multi-agent system Native-language identification Natural-language...

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Knowledge graph

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and (iv) covers various topical domains. General structure: A network of entities, their semantic types, properties, and relationships. To represent...

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Web crawler

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Python. The crawler was integrated with the indexing process, because text parsing was done for full-text indexing and also for URL extraction. There is a...

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Yebol

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categorization for automatically generating knowledge for question answering, latent semantic analysis web sites, web pages and users. Yebol also integrated human...

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Concept search

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foundation for a technique called latent semantic indexing (LSI) because of its ability to find the semantic meaning that is latent in a collection of text. At...

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Conditional random field

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models for structured prediction, such as the structured Support Vector Machine can be seen as an alternative training procedure to CRFs. Latent-dynamic...

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Automatic image annotation

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"Learning-Based Linguistic Indexing of Pictures with 2-D MHMMs". Proc. ACM Multimedia. pp. 436–445. Automatic linguistic indexing of pictures J Li & J Z Wang...

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Outline of machine learning

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Large margin nearest neighbor Latent Dirichlet allocation Latent class model Latent semantic analysis Latent variable Latent variable model Lattice Miner...

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