Transcript Or see a presentation?

What is Semantic Technology?
The implication is Semantics:
that enabling computers to
thestudy
meanings
relationships
1.“understand”
(Linguistics) The
or scienceofof and
meaning
in language.
2.
(Linguistics)
The study
relationships
signs and
between
concepts
willof allow
them between
to reason
and
symbols
and whatin
they
communicate
a represent.
way that is analogous to the way
The American Heritage® Dictionary of the English Language, Fourth Edition
humans do.
Semantic Technology:
The use of formal representations of concepts and their
relationships to enable efficient, intelligent software.
Ontology (Computer Science):
A model that represents a domain and is used to reason about
the objects in that domain and the relations between them.
http://en.wikipedia.org/wiki/Ontology_(computer_science)
A Simple Ontology
Organism
is_a
is_a
Animal
is_a
Lion
is_a
Deer
is_a
Elsa
Simba
is_a
Cow
is_a
is_a
Plant
Elsie
is_a
Bambi
ate
ate
ate
ate
is_a
is_a
Hosta
Alfalfa
is_a
is_a
My Hosta
Peter’s
Alfalfa
A Simple Ontology
is_a
is_a
Lion
Elsa
Elsie
is_a
Bambi
ate
ate
ate
is_a
is_a
Hosta
Alfalfa
is_a
Deer
is_a
Plant
eats
Herbivore
Cow
is_a
Simba
is_a
is_a
is_a
is_a
is_a
Animal
eats
Carnivore
Organism
ate
is_a
is_a
My Hosta
Peter’s
Alfalfa
The Structure of an Ontology – Concept Taxonomy
chemical
entity
is_a
molecule
molecular
fragment
carbohydrate
moiety
is_a
is_a
residue
is_a
monoglycosyl
moiety
glycan
moiety
amino acid
residue
carbohydrate
residue
is_a
N-glycan
O-glycan
The Structure of an Ontology – Concept Taxonomy
residue
is_a
glycan
moiety
amino acid
residue
carbohydrate
residue
is_a
N-glycan
O-glycan
The Structure of an Ontology –– Instances
Concept Taxonomy
and Properties
N-glycan_00020
has_residue
is_linked_to
N-glycan
a-D-Manp 4
is_instance_of
residue
is_a
N-glycan core
b-D-Manp
amino acid
is_instance_of
residue
carbohydrate
residue
glycan
moiety
is_instance_of
is_a
N-glycan
O-glycan