Underspecified Knowledge Modeling              in RDF             Fariz Darari         fadirra@gmail.com                  ...
LITERAL VS THING                   2
Literal vs ThingSuppose I want to model my hobbies, say  Programming:1st approach:2nd approach:                           ...
Literal vs ThingSo far so good, but what if I want to model that Programming  is actually a kind of Sports? (*)Then, the f...
Literal vs ThingSee also: Literal vs Thing at answers.semanticweb.com                                                     ...
REIFICATION              6
ReificationSay, I want to model authorship. First, I model it  like this:                                                 ...
ReificationMoreover, I want to model the authorship of another book, that has 3 authors:                                  ...
ReificationSo far so good, but what if I want to model the  ranks of authors, say, my dad is the 1st author,  my mom is th...
ReificationI present you, reification:and so on..                                        10
ReificationThus, I’d say that the way I model the  authorships of books via:is underspecified with respect to the   requir...
Reificationhttp://data.semanticweb.org/person/adila-alfa-krisnadhi/rdf            See also: Reification by W3C            ...
WEAK ONTOLOGY                13
Weak OntologySuppose that my initial ontology is only like this:such that it is used to say the friendships of  people.   ...
Weak OntologySuppose I wanna say that, Justin Bieber is my  friend:Good so far. But, what if I want to say, JB is not only...
Weak OntologyI edit my ontology to become like:Thus, I can happily model my friendship with JB as  follows:               ...
Weak OntologyThus, I’d say that my initial ontology is  underspecified regarding the requirement  (***).                  ...
Weak OntologySee also: Upper Ontology on Wikipedia   18
Upcoming SlideShare
Loading in …5
×

Underspecified Knowledge Modeling in RDF

2,259 views

Published on

  • Be the first to comment

  • Be the first to like this

Underspecified Knowledge Modeling in RDF

  1. 1. Underspecified Knowledge Modeling in RDF Fariz Darari fadirra@gmail.com 1
  2. 2. LITERAL VS THING 2
  3. 3. Literal vs ThingSuppose I want to model my hobbies, say Programming:1st approach:2nd approach: 3
  4. 4. Literal vs ThingSo far so good, but what if I want to model that Programming is actually a kind of Sports? (*)Then, the former approach can’t do the trick (because it’s a literal and a literal can’t be the subject of a triple, at least in standard RDF).The latter, fortunately, can be used to model it, by saying:Thus, I’d say that the 1st approach is underspecified with respect to the requirement (*). 4
  5. 5. Literal vs ThingSee also: Literal vs Thing at answers.semanticweb.com 5
  6. 6. REIFICATION 6
  7. 7. ReificationSay, I want to model authorship. First, I model it like this: 7
  8. 8. ReificationMoreover, I want to model the authorship of another book, that has 3 authors: 8
  9. 9. ReificationSo far so good, but what if I want to model the ranks of authors, say, my dad is the 1st author, my mom is the 2nd author and I, myself, is the last author of the book? (**)Well, you can’t always get what you want, or.. 9
  10. 10. ReificationI present you, reification:and so on.. 10
  11. 11. ReificationThus, I’d say that the way I model the authorships of books via:is underspecified with respect to the requirement (**). 11
  12. 12. Reificationhttp://data.semanticweb.org/person/adila-alfa-krisnadhi/rdf See also: Reification by W3C 12
  13. 13. WEAK ONTOLOGY 13
  14. 14. Weak OntologySuppose that my initial ontology is only like this:such that it is used to say the friendships of people. 14
  15. 15. Weak OntologySuppose I wanna say that, Justin Bieber is my friend:Good so far. But, what if I want to say, JB is not only my friend, instead, he is my close friend! (***)Well, you can’t do that, unless.. 15
  16. 16. Weak OntologyI edit my ontology to become like:Thus, I can happily model my friendship with JB as follows: 16
  17. 17. Weak OntologyThus, I’d say that my initial ontology is underspecified regarding the requirement (***). 17
  18. 18. Weak OntologySee also: Upper Ontology on Wikipedia 18

×