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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
