LDPAND VANILLA SLICESAND DAVE

| February 2013 | LDP and ontology

DAN LIKES VANILLA SLICES

| February 2013 | LDP and ontology

DAN LIKES VANILLA SLICES

Subject

Predicate

Object

| February 2013 | LDP and ontology

DAN LIKES CAKES

What is a “Dan”?

Example: Dan is a Person

What does “likes” mean?

Example: People have preferences

Example: Like is a type of preference

| February 2013 | LDP and ontology

RECOMMENDATIONS AND RULES

Using data to make recommendations

Example: Vanilla slices taste of vanilla custard

Describing things using rules

Dave is a problem

| February 2013 | LDP and ontology

INTERMISSION:THE PROBLEM OF DAVE

Did I ever tell you that Mrs. McCaveHad twenty-three sons, and she named them all Dave?

Well, she did. And that wasn't a smart thing to do.You see, when she wants one, and calls out "Yoo-Hoo!Come into the house, Dave!" she doesn't get one.All twenty-three Daves of hers come on the run!

NAMED RESOURCES

Did I ever tell you that Mrs. McCaveHad nine famous sons, and she named them all Dave?

Well, she did. And that wasn't a smart thing to do.You see, when she wants one, and calls out "Yoo-Hoo!Come into the house, Dave!" she doesn't get one.All nine famous Daves of hers come on the run!

Dave_1 Dave_2Dave_3

Dave_4

Dave_5

Dave_6

Dave_7 Dave_8

Dave_9

POINTING AT THINGS

Describing things using rules

Dave is a problem

Class Properties

| February 2013 | LDP and ontology

Dave played for Manchester United

Dave plays for Paris St Germain

THERE ARE DIFFERENT KINDS OF STATEMENTS

Triples take a snapshot – a slice through time.

| February 2013 | LDP and ontology

COPING WITH CONTEXT

Example: Resource_1 is a CV_event

Example: Resource_1 has agent Dave

Example: Resource_1 has duration 1995-2003

Example: Resource_1 has Game_1

And…

Example: Game_1 has player Ryan Giggs

Example: Game_1 has player Paul Scholes

| February 2013 | LDP and ontology