Until the early 1990s, almost all production-level machine translation technology relied on collections of linguistic rules to analyze the source sentence, and then map the syntactic and semantic structure into the target language.
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With the rise of new ideas after the ground break of Saussure's work, prestructuralist diachronic semantics was considerably criticized for the atomic study of words, the synchronic, concerned with semantic structures and narrowly linguistic structures.
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An information retrieval technique using latent semantic structure was patented in 1988 ( US Patent 4, 839, 853, now expired ) by Scott Deerwester, Susan Dumais, George Furnas, Richard Harshman, Thomas Landauer, Karen Lochbaum and Lynn Streeter.
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More recently ( Bisson and Hussain ) have proposed a new approach of using the similarity between words and the similarity between documents to latent semantic structure of the whole corpus into consideration with the result of generating a better clustering of the documents and words.
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Computational engineering New approaches will be required to enable intellectual control at an entirely new level of scope and scale for system analysis, design, and operation . ULS systems will be defined in many languages, each with its own abstractions and semantic structures.
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The linguistic relativity hypothesis of Benjamin Lee Whorf describes how the syntactic-semantic structure of a language becomes an underlying structure for the world view or " Weltanschauung " of a people through the organization of the causal perception of the world and the linguistic categorization of entities.
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In a WYSIWYM editor, the user writes the contents in a structured way, marking the content according to its meaning, its significance in the document, leaving its final appearance up to one or more separate semantic structure of the document to be decided on before writing it.
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While earlier machine translation technology relied on collections of linguistic rules to analyze the source sentence, and then map the syntactic and semantic structure into the target language, SDL Language Weaver uses statistical techniques from cryptography, applying machine learning algorithms that automatically acquire statistical parallel collections of human translations.
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The method, also called latent semantic analysis ( LSA ), uncovers the underlying latent semantic structure in the usage of words in a body of text and how it can be used to extract the meaning of the text in response to user queries, commonly referred to as concept searches.
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Derived from PostScript, but without language features like loops, PDF adds support for features such as compression, passwords, semantic structures and DRM . Because PDF documents can easily be viewed and printed by users on a variety of computer platforms, they are very common on the World Wide Web and in document management systems worldwide.
