SIOC SemanticallyInterlinked Online Communities HY566 Theodoros Dionysiou Nicolaou

SIOC: Semantically-Interlinked Online Communities HY-566 Theodoros Dionysiou Nicolaou Stavros Andreas Pobatzis 1616 1686 1851

What is Semantic Web? n Web of data n precise, structured information on: n n n Resource Description Framework (RDF) n n n triples in the form of (subject, predicate, object) graph with objects (nodes) and relations between them Easy Integration of Data n n Objects on the web and in the real world Relations between them Data of different nature (FOAF, SKOS, RSS, …) SIOC – model of data – for social media sites

Online communities n n Online community sites: n Provide a valuable source of information n May contain rich meta-information n Many sites discussing complementary topics But are isolated from one another: n They are like islands without connecting bridges

SIOC n SIOC provides methods for interconnecting discussion methods such as n n n blogs forums mailing lists Wikis Add more value n Let other sites know more about the structure and contents n Make more use of tagging and semantic metadata

SIOC Overview

The Main Concepts in SIOC

SIOC classes and properties

Example : a blog entry • Post titled "Creating connections between discussion clouds with SIOC" created at 09: 33: 30 on 2006 -09 -07 written by a user "Cloud" on topics "Blogs" and "Semantic Web" with contents described in sioc: content. • More information about its author can be found at http: //johnbreslin. com/blog/index. php? sioc_type=user&sioc_id=1 • The post has a reply and detailed SIOC information about this reply can be found at http: //johnbreslin. com/blog/index. php? sioc_type=comment&sioc_id=123928

SIOC tools and applications SIOC Exporters n Word. Press, b 2 evolution n IRC 2 RDF SWAML n n popular blogging platforms based on PHP/My. SQL is an exporter for mailing list content in Semantic Web format Talk Digger n find, follow and enter conversations of the Web

n Demo: Semantic Radar for Firefox Browser extension which inspects web pages for links to Semantic Web metadata and informs about presence of it