Open hpi semweb-06-part8

This file is licensed under the Creative Commons Attribution-NonCommercial 3.0 (CC BY-NC 3.0)

Dr. Harald Sack

Hasso Plattner Institute for IT Systems Engineering

University of Potsdam

Spring 2013

Semantic Web Technologies

Lecture 6: Applications in the Web of Data08: Exploratory Semantic Search

Semantic Web Technologies , Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam

2

Lecture 6: Applications in the Web of DataOpen HPI - Course: Semantic Web Technologies


3

08 - Exploratory Semantic SearchOpen HPI - Course: Semantic Web Technologies - Lecture 6: Applications in the Web of Data

Vorlesung Semantic Web, Dr. Harald Sack, Hasso-Plattner-Institut, Universität Potsdam

4

The ‘Google Dilemma‘


5


6


6

Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011Google Multimedia Search

Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011Google Multimedia Search

Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011

Seach by Media Content


The Ordinary Archive is a Small World...

Aldous Huxley

http://www.yovisto.com




The Ordinary Archive is a Small World...

Aldous Huxley





10

Searching is not always

just searching


11

I‘m looking for the book „Brave New World“ by Aldous Huxley in the first German edition...


11


Brave New World. - Aldous H U X L E Y.

- The Albatros Continental Library, 47

(Hamburg usw., Albatros Verlag, 1933)

257 S. 8“

II 1, 2506, 34548


11


Brave New World. - Aldous H U X L E Y.

- The Albatros Continental Library, 47

(Hamburg usw., Albatros Verlag, 1933)

257 S. 8“

II 1, 2506, 34548


12

I really liked „Brave New World“ by Aldous Huxley but how should I find what to read next...?


12



12



12



13

Exploratory Search• What, if the user does not know, which query string to use?

• What, if the user is looking for complex answers ?

• What, if the user does not know the domain he/she is looking for?

• What, if the user wants to know all(!) about a specific topic?

• ...,Browsing‘ instead of ,Searching‘• ...to find something by chance, i.e. Serendipity• ...to get an overview• ...enable content based navigation


14

Gather knowledge about dbpedia:Brave_New_Worldand decide, which interesting fact to follow....

http://dbpedia.org/page/Brave_New_World

Enable Exploratory Search based on Linked Open Data

http://dbpedia.org/page/Ernest_Hemingway






15

dbpedia:Brave_New_World

dbpedia-owl:author

dbpedia:Aldous_Huxley


15


dbpedia-owl:author


dbpedia-owl:author


15


dbpedia-owl:author


dbpedia-owl:author

dbpedia-owl:author


15


dbpedia-owl:author


dbpedia-owl:author

dbpedia-owl:author

dbpedia-owl:author


16


dbpedia-owl:author



16


dbpedia-owl:author


dbpedia:ontology/influences

dbpedia:H._G._Wells


16


dbpedia-owl:author



dbpedia:H._G._Wells


dbpedia:George_Orwell


16


dbpedia-owl:author



dbpedia:H._G._Wells


dbpedia:George_Orwell


dbpedia:Michel_Houellebecq


17

dbpedia:H._G._Wells dbpedia:George_Orwell dbpedia:Michel_Houellebecq


17


dbpedia-owl:notableWork

dbpedia:Les_Particules_élémentaires


17





dbpedia:Nineteen_Eighty-Four


17





dbpedia:Nineteen_Eighty-Four


dbpedia:The_Time_Machine


18

dbpedia-owl:author


...and now please surprise me.....SERENDIPITY


18

dbpedia-owl:author



Yago:EnglishExpatriatesInTheUnitedStates

rdf:type


18

dbpedia-owl:author



dbpedia:Tim_Berners-Leerdf:type


rdf:type


18

dbpedia-owl:author




dbpedia:World_Wide_Web

dbpprop:inventor


rdf:type


18

dbpedia-owl:author





dbpprop:inventor


rdf:type

rdf:type

dbpedia:Patrick_Stewart


18

dbpedia-owl:author





dbpprop:inventor


rdf:type

rdf:type

dbpedia:Patrick_Stewart

dbpedia:Star_Trek:_The_Next_Generation

dbpedia-owl:starring


19

Explorative Search

dbpedia-owl:mission

dbpedia:Neil_Armstrong

dbpedia:Apollo_11dbpedia-owl:mission

category:Apollo_program

dcterms:subject

dbpedia:Apollo_13

dcterms:subject

yago:Space_accidents_and_incidents

rdf:type

rdf:type

dbpedia:Space_Shuttle_Challenger

dbpedia-owl:mission

dbpedia:Buzz_Aldrin

dbpedia:Michael_Collins

Exploratory Search and Serendipity

•Find something that you were not looking for on purpose ...

dbpedia:Buzz_Aldrin



dbpedia:Buzz_Aldrin

dbpedia:Cookie_Monster



dbpedia:Buzz_Aldrin

dbpedia:Cookie_Monster

dbpedia:Strictly_Come_Dancing


21

Exploratory Search with yovisto

Waitelonis, Sack: Augmenting Video Search with Linked Open Data, in Proc. I-Semantics , Graz 2009.

http://mediaglobe.yovisto.com:8080/




22

Open HPI - Course: Semantic Web TechnologiesLecture 6: Applications in the Web of Data

<Goodbye! />

Documents

Open hpi semweb-06-part8