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Semantic Technologies

The term "semantic" derives from the linguistics and stands for "theory of meaning". It deals with the meaning and significance of language or linguistic signs. The semantics are traditionally divided in four successive planes: the lexical semantics, the sentence semantics, the semantics of text and discourse semantics.
Semantic Technologie
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.
With traditional technologies, 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, humans must get involved.
Semantic technologies are meaning-centered. They include tools for:
autorecognition of topics and concepts,
information and meaning extraction, and
Given a question, semantic technologies can directly search topics, concepts, associations that span a vast number of sources. 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, capable, relevant, and responsive interaction than with information technologies alone.
Through the use of semantic technologies innovative applications and services may arise that allow easier sharing of knowledge. Companies will be able to open up new ways to gain competitive advantage.
Find effective and parts of existing knowledge! This is the idea and the task of semantic technologies. It is ultimately no matter what the source of that knowledge is: In addition to in- house databases the knowledge of the WorldWideWeb can be used as an effective source of Information.
Because of the advantage of fast and comprehensive search, semantic technologies are already in the service area connected directly to business processes. An example of this is the use of a FAQ system with semantic technology in call centers and hotlines. Supporting the work processes by semantic technologies is intended to take place as possible so that the user does not perceive it. Ease of use and functionality are at the forefront.
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Semantische Technologie