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or consumes content from SIB, according to
ontology.
Knowledge Processor Interface (KPI): A
set of functionality in smart objects that enables
the access and use of information semantics in
applications. KPI consists of SSAP, definitions
of information semantics and optional functions
related to information security, reliability, etc.
Semantic Information Broker (SIB): An
information world entity for storing, sharing and
governing the information of one smart space as
RDF triples.
Smart Environment: An entity of the physical
world that is dynamically scalable and extensible
to meet new use cases by applying a shared and
evolving understanding of information. At least
one smart space is associated to a smart environ-
ment with two or more knowledge processors.
Smart Object: A device applicable to interact
within a smart environment.
Smart Space: A named search extent of shared
information. A logical entity composed by a set
of SIBs.
Smart Space Access Protocol (SSAP): A
service level protocol used by KPs when access-
ing SIB.
Smart Space Application (SSA): A set of KPs
that uses one or more smart spaces as resources
to perform a desired functionality visible to an
end-user as an enhanced application.

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ENDNOTES

Zhou, J. (2005). Knowledge dichotomy and seman-
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1

Previously affiliated to and still collaborat-
ing with Alma Mater Studiorum, Univesità
di Bologna, Italy

2

http://sourceforge.net/projects/smart-m3/

3

http://www.w3.org/TR/rdf-concepts

KEY TERMS AND DEFINITIONS

4

http://www.w3.org/standards/techs/
owl#w3c_all

Knowledge Processor (KP): An agent that
processes information and inserts/removes and/