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68:, semantic technology encodes meanings separately from data and content files, and separately from application code. This enables machines as well as people to understand, share and reason with them at execution time. With semantic technologies, adding, changing and implementing new relationships or interconnecting programs in a different way can be just as simple as changing the external model that these programs share.
75:, on the other hand, meanings and relationships must be predefined and "hard wired" into data formats and the application program code at design time. This means that when something changes, previously unexchanged information needs to be exchanged, or two programs need to interoperate in a new way, the humans must get involved.
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Off-line, the parties must define and communicate between them the knowledge needed to make the change, and then recode the data structures and program logic to accommodate it, and then apply these changes to the database and the application. Then, and only then, can they implement the changes.
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Semantic technologies provide an abstraction layer above existing IT technologies that enables bridging and interconnection of data, content, and processes. Second, from the portal perspective, semantic technologies can be thought of as a new level of depth that provides far more intelligent,
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capable, relevant, and responsive interaction than with information technologies alone. Semantic technologies would often leverage natural language processing and machine learning in order to extract topics, concepts, and associations between concepts in text.
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can describe concepts, relationships between things, and categories of things. These embedded semantics with the data offer significant advantages such as reasoning over data and dealing with heterogeneous data sources.
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268:, J. Hendler, and O. Lassila. The Semantic Web: A new form of Web content that is meaningful to computers will unleash a revolution of new possibilities.
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Given a question, semantic technologies can directly search topics, concepts, associations that span a vast number of sources.
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Adaptive
Information: Improving Business Through Semantic Interoperability, Grid Computing, and Enterprise Integration
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Semantic technologies are "meaning-centered". They involve but are not limited to the following areas of application:
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is to help machines understand data. To enable the encoding of semantics with the data, well-known technologies are
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Semantic (Web) Technology In Action: Ontology Driven
Information Systems For Search, Integration and Analysis.
304:, Markus Krötzsch, Sebastian Rudolph, Foundations of Semantic Web Technologies, Chapman&Hall/CRC, 2009,
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215:"World Wide Web Consortium (W3C), "OWL Web Ontology Language Overview", W3C Recommendation, 10 Feb. 2004"
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316:"Comparison of biomedical relationship extraction methods and models for knowledge graph creation."
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201:"World Wide Web Consortium (W3C), "RDF/XML Syntax Specification (Revised)", 10 Feb. 2004"
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R. Guha, R. McCool, and E. Miller. Semantic search. In
47:(Web Ontology Language). These technologies formally
51:the meaning involved in information. For example,
318:Journal of Semantic Web (JoWS) (2022). Elsevier,
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86:encoding/decoding of semantic representation,
314:Milošević, Nikola, and Wolfgang Thielemann.
296:The Business Value of Semantic Technologies
16:Technology to help machines understand data
92:of entities and their interrelationships,
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43:(Resource Description Framework) and
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260:TopQuadrant Technology Briefing
282:IEEE Data Engineering Bulletin
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145:Resource Description Framework
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231:J.T. Pollock, R. Hodgson.
107:taxonomies/classification.
289:Handbook on Ontologies
156:Semantic heterogeneity
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262:v1.1, September 2003.
239:John Wiley & Sons
181:Web Ontology Language
141:in a generalized term
35:The ultimate goal of
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257:Semantic technology.
161:Semantic integration
271:Scientific American
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171:Semantic networks
166:Semantic matching
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329:Categories
187:References
150:Schema.org
31:technology
340:Semantics
250:ACM Press
49:represent
135:Ontology
130:Metadata
119:See also
66:software
60:Overview
53:ontology
27:used in
284:, 2003.
252:, 2003.
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