A Wiki on the Semantic Web

A Wiki on the Semantic Web

Michel Buffa (Mainline, I3S Lab, France), Guillaume Erétéo (Edelweiss, INRIA, France) and Fabien Gandon (Edelweiss, INRIA, France)
DOI: 10.4018/978-1-59904-877-2.ch008
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Abstract

The wiki concept is more than 10 years old but has attained public success only recently, thanks to Wikipedia. However, in the intranet world, several studies have shown that the usage of wikis is subject to debate. Acceptance of such open, low-structured collaborative tools is not the rule. There are different reasons for explaining such low acceptance: social reasons (corporate culture may not be adapted) but also usability reasons (the wiki is not structured enough, it is hard to navigate and find relevant information, the wiki markup language used by most wiki engine makes people reluctant to contribute to the wiki, etc.). In this chapter we present SweetWiki, a new wiki engine that relies on Semantic Web technologies and addresses most usability problems that have been reported in Buffa and Gandon (2006), Chat and Nahaboo (2006), and Powers, (2005). SweetWiki is an example of an application reconciling two trends of the future Web: a semantically-augmented Web and a Web of social applications where every user is an active actor and provider. SweetWiki makes heavy use of Semantic Web concepts and languages and demonstrates how the use of such paradigms can improve navigation, search, and usability. By semantically annotating the resources of the wiki and by reifying the wiki object model itself, SweetWiki provides reasoning and querying capabilities. All the models are defined in OWL schemata capturing concepts of the wikis (wiki word, wiki page, forward and backward link, author, etc.) and concepts manipulated by the users (users’ folksonomy, external ontologies). These ontologies are exploited by an embedded semantic search engine (Corese) allowing us to support and ease the lifecycle of the wiki (e.g., restructuring pages), to propose new functionalities (e.g., semantic search, profile-based monitoring) and to allow for extensions (e.g., support new medias in pages, integrate legacy software). In SweetWiki we have paid special attention to preserve the essence of a wiki: simplicity and social dimension. Thus SweetWiki supports all the common wiki features such as easy page linking using WikiWords, versioning, and so forth, but also innovates, integrating a WYSIWYG editor extended to support social tagging functionalities, embedded SPARQL queries, and so forth, masking the OWL-based annotation implementation. Users can freely enter tags and an auto-completion mechanism suggests existing ones by issuing queries to identify existing concepts with compatible labels. Thus tagging is both easy and motivating (real time display of the number of related pages) and concepts are collected in folksonomies. Wiki pages are served directly in XHTML or in JSPX format, embedding semantic annotations ready to be reused by other Semantic Web software.

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Table of Contents
Foreword
Klaus-Dieter Althoff
Acknowledgment
Jörg Rech
Chapter 1
Sören Auer, Zachary G. Ives
The concepts Social Software and Web 2.0 were coined to characterize a variety of (sometimes minimalist) services on the Web, which rely on social... Sample PDF
Enabling Social Semantic Collaboration: Bridging the Gap Between Web 2.0 and the Semantic Web
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Chapter 2
Thomas Franz, Sergej Sizov
The paradigm of a flexible environment that supports the user in producing, organizing, and browsing the knowledge originates in the early 1940s, a... Sample PDF
Communication Systems for Semantic Work Environments
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Chapter 3
Sebastian Schaffert
This chapter describes what I believe makes Social Software attractive for the Semantic Web community, and what makes the Semantic Web attractive... Sample PDF
Semantic Social Software: Semantically Enabled Social Software or Socially Enabled Semantic Web?
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Chapter 4
Christoph Lange, Michael Kohlhase
In this chapter, we present the SWiM system, a prototype semantic wiki for collaboratively building, editing, and browsing mathematical knowledge.... Sample PDF
SWiM: A Semantic Wiki for Mathematical Knowledge Management
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Chapter 5
Damaris Fuentes-Lorenzo, Juan Miguel Gómez, Ángel García Crespo
This chapter deals with a semantic wiki application devoted to news publishing, Cool- WikNews. This semantic application offers the functionalities... Sample PDF
CoolWikNews: More than Meets the Eye in the 21st Century Journalism
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Chapter 6
Roar Fjellheim, David Norheim
Active Knowledge Support for Integrated Operations (AKSIO) is a work process-enabled knowledge management system that supports experience transfer... Sample PDF
Improved Experience Transfer by Semantic Work Support
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Chapter 7
Antti Vehviläinen, Eero Hyvönen, Olli Alm
This chapter discusses how knowledge technologies can be utilized in creating help desk services on the Semantic Web. To ease the content indexer’s... Sample PDF
A Semi-Automatic Semantic Annotation and Authoring Tool for a Library Help Desk Service
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Chapter 8
Michel Buffa, Guillaume Erétéo, Fabien Gandon
The wiki concept is more than 10 years old but has attained public success only recently, thanks to Wikipedia. However, in the intranet world... Sample PDF
A Wiki on the Semantic Web
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Chapter 9
Max Völkel, Sebastian Schaffert, Eyal Oren
Managing and enabling knowledge is a key to success in our economy and society (Wenger, McDermott, & Snyder, 2002, p. 6). The problem of knowledge... Sample PDF
Personal Knowledge Management with Semantic Technologies
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Chapter 10
Jörg Richter, Jurij Poelchau
A crucial experience during my time at university— computer science (with focus on AI) and linguistics—was the documentary “Maschinenträume” (1988)... Sample PDF
DeepaMehta: Another Computer is Possible
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Chapter 11
Andrea Kohlhase, Normen Müller
In this chapter we will look at users’ taking action processes in Semantic Work Environments. We argue that the underlying motivational problem... Sample PDF
Added-Value: Getting People into Semantic Work Environments
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Chapter 12
Andreas Schmidt
The new flexibility of workers and work environments makes traditional conceptions of training in advance, in rather large units and separate from... Sample PDF
Enabling Learning on Demand in Semantic Work Environments: The Learning in Process Approach
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Chapter 13
Maria Ruiz-Casado, Enrique Alfonseca, Pablo Castells
This chapter presents an overview of techniques for semi-automatic extraction of semantics from text, to be integrated in a Semantic Work... Sample PDF
Automatic Acquisition of Semantics from Text for Semantic Work Environments
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Chapter 14
Bernhard Schandl, Ross King, Niko Popitsch, Brigitte Rauter, Martin Povazay
As computer and Internet applications became ubiquitous, most daily business must handle an increasing amount of information via several... Sample PDF
Technologies for Semantic Project-Driven Work Environments
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Chapter 15
Hai H. Wang, Nicholas Gibbins, Jin Song Dong, Yuan Fang Li, Jing Sun, Jeff Pan, Terry R. Payne
The Semantic Web (Berners-Lee, Hendler, & Lassila, 2001) has become increasingly significant as it proposes an evolution of the current World Wide... Sample PDF
An Integrated Formal Approach to Semantic Work Environments Design
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Chapter 16
Axel Rauschmayer, Malte Kiesel
When looking at what “information” means in the context of the Semantic Web, there is an interesting dichotomy (Spyns, Meersman, & Jarrar, 2002;... Sample PDF
Lightweight Data Modeling in RDF
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About the Contributors