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Books > Computing & IT > Applications of computing > Artificial intelligence > Natural language & machine translation
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Ontology-Based Query Processing for Global Information Systems (Paperback, Softcover reprint of the original 1st ed. 2001)
Loot Price: R3,677
Discovery Miles 36 770
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Ontology-Based Query Processing for Global Information Systems (Paperback, Softcover reprint of the original 1st ed. 2001)
Series: The Springer International Series in Engineering and Computer Science, 619
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Today we are witnessing an exponential growth of information
accumulated within universities, corporations, and government
organizations. Autonomous repositories that store different types
of digital data in multiple formats are becoming available for use
on the fast-evolving global information systems infrastructure.
More concretely, with the World Wide Web and related
internetworking technologies, there has been an explosion in the
types, availability, and volume of data accessible to a global
information system. However, this information overload makes it
nearly impossible for users to be aware of the locations,
organization or structures, query languages, and semantics of the
information in various repositories. Available browsing and
navigation tools assist users in locating information resources on
the Internet. However, there is a real need to complement current
browsing and keyword-based techniques with concept-based
approaches. An important next step should be to support queries
that do not contain information describing location or manipulation
of relevant resources.Ontology-Based Query Processing for Global
Information Systems describes an initiative for enhancing query
processing in a global information system. The following are some
of the relevant features: * Providing semantic descriptions of data
repositories using ontologies; * Dealing with different
vocabularies so that users are not forced to use a common one; *
Defining a strategy that permits the incremental enrichment of
answers by visiting new ontologies; * Managing imprecise answers
and estimations of the incurred loss of information. In summary,
technologies such as information brokerage, domain ontologies, and
estimation of imprecision in answers based on vocabulary
heterogeneity have been synthesized with Internet computing,
representing an advance in developing semantics-based information
access on the Web. Theoretical results are complemented by the
presentation of a prototype that implements the main ideas
presented in this book. Ontology-Based Query Processing for Global
Information Systems is suitable as a secondary text for a
graduate-level course, and as a reference for researchers and
practitioners in industry.
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