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Author: Björn Gambäck Publisher: ISBN: Category : Computational linguistics Languages : en Pages : 23
Book Description
Abstract: "This paper describes a Swedish-language customization (S-CLE) of the SRI Core Language Engine, which has been developed at SICS from the original English-language version by replacing English-specific modules with corresponding Swedish-language versions. The S-CLE is intended to be used as a building block in a broad range of applications, such as data-base query system [sic], machine translation systems, NL front-ends, speech-to-text/text-to-speech systems, and so on. Examples of the first two types of application already exist. The main part of the S- CLE is an extensive Swedish grammar that is compiled into parsing and generation modules. The grammar formalism is a type of unification grammar loosely based on Generalized Phrase Structure Grammar (GPSG). Generation is performed using the Semantic-Head-Driven algorithm. Analysis turns sentences into 'Quasi-Logical Form' (QLF), a logical-form representation, while generation works in the opposite direction. Intermediate stages include processing of morphology, syntax and semantics. For knowledge- base applications, a separate module can convert QLFs into conventional scoped logical forms. After two-and-a-half years of work (approximately 45 person months), the first prototype system has a vocabulary of about 1900 words and covers a fairly broad range of possible grammatical constructions. Based on our experience in this project, we present in this paper detailed arguments to support the claim that customization of an English-language NLP system is a highly cost-effective way of constructing Swedish language systems with corresponding functionality."
Author: Björn Gambäck Publisher: ISBN: Category : Computational linguistics Languages : en Pages : 23
Book Description
Abstract: "This paper describes a Swedish-language customization (S-CLE) of the SRI Core Language Engine, which has been developed at SICS from the original English-language version by replacing English-specific modules with corresponding Swedish-language versions. The S-CLE is intended to be used as a building block in a broad range of applications, such as data-base query system [sic], machine translation systems, NL front-ends, speech-to-text/text-to-speech systems, and so on. Examples of the first two types of application already exist. The main part of the S- CLE is an extensive Swedish grammar that is compiled into parsing and generation modules. The grammar formalism is a type of unification grammar loosely based on Generalized Phrase Structure Grammar (GPSG). Generation is performed using the Semantic-Head-Driven algorithm. Analysis turns sentences into 'Quasi-Logical Form' (QLF), a logical-form representation, while generation works in the opposite direction. Intermediate stages include processing of morphology, syntax and semantics. For knowledge- base applications, a separate module can convert QLFs into conventional scoped logical forms. After two-and-a-half years of work (approximately 45 person months), the first prototype system has a vocabulary of about 1900 words and covers a fairly broad range of possible grammatical constructions. Based on our experience in this project, we present in this paper detailed arguments to support the claim that customization of an English-language NLP system is a highly cost-effective way of constructing Swedish language systems with corresponding functionality."
Author: Hiyan Alshawi Publisher: Bradford Book ISBN: Category : Computers Languages : en Pages : 352
Book Description
The Core Language Engine presents the theoretical and engineering advances embodied in one of the most comprehensive natural language processing systems designed to date. Recent research results from different areas of computational linguistics are integrated into a single elegant design with potential for application to tasks ranging from machine translation to information system interfaces. Bridging the gap between theoretical and implementation oriented literature, The Core Language Engine describes novel analyses and techniques developed by the contributors at SRI International's Cambridge Computer Science Research Centre. It spans topics that include a wide-coverage unification grammar for English syntax and semantics, context-dependent and contextually disambiguated logical form representations, interactive translation, efficient algorithms for parsing and generation, and mechanisms for quantifier scoping, reference resolution, and lexical acquisition. Contents Introduction to the CLE - Logical Forms - Categories and Rules - Unification Based Syntactic Analysis - Semantic Rules for English - Lexical Analysis - Syntactic and Semantic Processing - Quantifier Scopin - Sortal Restrictions - Resolving Quasi Logical Forms - Lexical Acquisition - The CLE in Application Development - Ellipsis, Comparatives, and Generation - Swedish-English QLF Translation
Author: Björn Gambäck Publisher: ISBN: Category : English language Languages : en Pages : 20
Book Description
Abstract: "The paper describes how the Swedish Core Language Engine (S-CLE), a general-purpose natural-language processing system was extended to process questions posed to a Prolog database. Previous work on the S-CLE has included processing up to the level of quasi-logical form (QLF); here we address the problems encountered when extending that processing to 'pure' logical form (LF) and translating the logical forms into questions to the SNACK-85 reginal database. We also show how some natural-language answers were generated from the original question-QLFs and the answers obtained from the database."
Author: Björn Gambäck Publisher: ISBN: Category : Computational linguistics Languages : en Pages : 17
Book Description
Abstract: "The paper describes S-VEX, the lexical acquisition component of the Swedish Core Language Engine (S-CLE). The S-CLE is a general purpose natural language processing system for Swedish developed from its English counter-part, the SRI Core Language Engine. In parallel with the development of the S-CLE, a Swedish version of the English VEX (Vocabulary EXpander) system was designed. S-VEX allows for the creation of lexicon entries by users with knowledge of an application domain but not of linguistics or of the detailed workings of the system. The approach taken is based on eliciting grammaticality judgments and information of inflected forms interactively from the user. The S-VEX system and the lexicon of the S-CLE is described, as well as the problems of the specific lexical acquisition task and their solutions. The only 'real' linguistic information the user needs to provide is the general category (noun, verb, or adjective) of the new lexical entry. All other information needed to create lexicon entries is obtained from the user's answers to questions/examples presented to her by the system. For determining the morphological inflections, the system is equipped with knowledge of 41 different inflectional classes. When constructing the syntatic usage part of the lexical entries, S-VEX is provided with pointers to entries in a 'paradigm' lexicon for a number of representative word usages and declarative knowledge of the range of sentential contexts in which these usages can occur. This knowledge is encoded in 58 sentence patterns. The paradigm lexicon of the present system contains 62 different paradigms: 5 for nouns, 10 for adjectives, and all the others for verbs."
Author: Nikolaj Lindberg Publisher: ISBN: Category : Natural language processing (Computer science) Languages : en Pages : 45
Book Description
Abstract: "This paper describes a way of feeding part of speech tagged Swedish text to the syntactic parser of the Swedish Core Language Engine, in order to get automatically produced syntactic analyses of unrestricted written text. The idea is to later on manually disambiguate and correct the output of the parser, or, in other words, to start building a treebank -- a corpus of syntactically analyzed text. After describing an already existing treebank for English and presenting the material used, a detailed account of the process of transforming the tagged text to a format suitable for the parser is given."
Author: Manny Rayner Publisher: Cambridge University Press ISBN: 9780521770774 Category : Computers Languages : en Pages : 360
Book Description
This book describes the Spoken Language Translator (SLT), one of the first major projects in the area of automatic speech translation.
Author: Björn Gambäck
Author: Björn Gambäck
Author: Hiyan Alshawi
Author: Hiyan Alshawi
Author: Björn Gambäck
Author: Björn Gambäck
Author: Björn Gambäck
Author: Nikolaj Lindberg
Author: B. Gambäck
Author: Elise C. Otté
Author: Manny Rayner