A Reviewing and Rating Site for the Web of Data Tom Heath and - - PowerPoint PPT Presentation

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A Reviewing and Rating Site for the Web of Data Tom Heath and - - PowerPoint PPT Presentation

Feb 09, 2023 262 likes •464 views

A Reviewing and Rating Site for the Web of Data Tom Heath and Enrico Motta KMi, The Open University What is Revyu? A Web of Data approach to online reviews Revyu reviews are: exposed in RDF to be reusable described using common

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A Reviewing and Rating Site for the Web of Data

Tom Heath and Enrico Motta KMi, The Open University

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

What is Revyu?

A Web of Data approach to online reviews Revyu reviews are:

  • exposed in RDF to be reusable
  • described using common ontologies (Review, FOAF, Tag,

SKOS)

  • Linked with other data, according to Linked Data principles

No Semantic Web knowledge required Live, public, used daily by real people!

  • 575 reviews, 142 reviewers, 135k page requests last month
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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

Goals of Revyu

Provide a generic platform for reviewing anything Make review data reusable in other applications Generate data for our work on trust and recommendation in social networks Demonstrate an approach to reviews and ratings that is not based on ‘silos’

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

Technical Overview

HTML interface for regular users to read and create reviews Submitted reviews published in HTML and transparently in RDF

  • FOAF, Tag and SKOS data also in RDF
  • RSS Feeds
  • hReview microformat data embedded in the HTML

HTML and RDF both crawlable SPARQL endpoint to query Revyu data

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

The Highly Complex Architecture

De-normalised MySQL Database RDF API for PHP Apache + Mod_Rewrite

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

Revyu – Part of a Web of Data

FOAF

Revyu

DBpedia (Films) RDF Book Mashup (Books) Open Guide to Milton Keynes (Amenities) Geonames (Hotels) (coming soon) ISWC+ASWC 2007 Papers

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

Publishing Linked Data

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

Review ISWC+ASWC 2007 Papers

http://revyu.com/tags/iswc2007 (or) http://revyu.com/tags/aswc2007

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

Which session produced the most highly-rated papers? Who writes the most highly-rated papers? Who writes the least?! …

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

Consuming Linked Data

Enhances the user experience without duplicating data Revyu currently consumes FOAF, DBpedia, OpenGuides and RDF Book Mashup data

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

Review Anything

Users:

  • Are not restricted to reviewing things from a

predefined database

  • Can review anything they can name
  • Can provide links to related resources
  • Can tag things they are reviewing
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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

From Tags to Semantics

skos:related triples from tag co-occurence tags + validation from external data sources => rdf:type information

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

Come and See the Demo Tonight!

A Revyu.com T-Shirt for the First 3 people! Also T-Shirts for reviewers! See http://data.semanticweb.org/blog

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Tom Heath, Enrico Motta Revyu.com: A Reviewing and Rating Site for the Web of Data Semantic Web Challenge, ISWC + ASWC 2007, Busan, Korea

Thankyou!

t.heath@open.ac.uk http://revyu.com/