Now showing items 15-34 of 241

  • An Annotation-based Access Control Model and Tools for Collaborative Information Spaces 

    Nasirifard, Peyman; Peristeras, Vassilios; Decker, Stefan (2008)
    We present an Annotation-Based Access Control model supported by a Collaboration Vocabulary (CoVoc) as a more flexible and user-centric access control approach in social platforms and shared workspaces. We present ...
  • Applying DAC Principles to the RDF Graph Data Model 

    Kirrane, Sabrina; Mileo, Alessandra; Decker, Stefan (2013)
    In this paper we examine how Discretionary Access Control principles, that have been successfully applied to relational and XML data, can be applied to the Resource Description Framework (RDF) graph data model. The ...
  • Applying the concepts of extended products and extended enterprises to support the activities of dynamic supply networks in the agri-food industry 

    Wall, Brian (Elsevier, 2005)
    During the last decade industry focus has been on the development and integration of processes in the context of the food supply chain. As a result, the food supply chain can be considered highly integrated where information ...
  • Approximating Query Completeness by Predicting the Number of Answers in DHT-based Web Applications 

    Karnstedt, Marcel; Hauswirth, Manfred; Sapkota, Brahmananda (2008)
  • Argumentation 3.0: how Semantic Web technologies can improve argumentation modeling in Web 2.0 environments 

    Schneider, Jodi; Passant, Alexandre; Groza, Tudor; Breslin, John G. (2010)
    Argumentative discussions are common in Web 2.0 applications, but the social Web still offers limited or no explicit support for argumentation. As Web 2.0 applications become more popular, modeling argumentation happening ...
  • Automatic Location of Services 

    Keller, Uwe; Polleres, Axel; Fensel, Dieter (2005)
    The automatic location of services that fulfill a given need is seen as a key step towards dynamic and scalable integration. In this paper we present a model for the automatic location of services that considers the static ...
  • Beyond the PDF [At the Event report] 

    Schneider, Jodi (2011)
    'Beyond the PDF' brought together around 80 people to the University of California San Diego to discuss scholarly communication, primarily in the sciences. The main topic: How can we apply emergent technologies to improve ...
  • The Boardscape: Creating a Super Social Network of Message Boards 

    Breslin, John; Bojars, Uldis (AAAI, 2007)
    A Web-based message board or forum is an online area where discussions are held by many Internet users on a variety of subjects. More recently, online social networks have been created for various purposes: job searching, ...
  • Browsing Linked Data with Fenfire 

    Hastrup, Tuukka; Cyganiak, Richard; Bojars, Uldis (2008)
    A wealth of information has recently become available as browsable RDF data on the Web, but the selection of client applications to interact with this Linked Data remains limited. We show how to browse Linked Data with ...
  • Building a Heterogeneous Network of Digital Libraries on the Semantic Web 

    Piotrowski, Piotr; Cygan, Mariusz; Kruk, Sebastian Ryszard; Westerski, Adam; Samp, Krystian; Decker, Stefan (2006)
    Ever since computer networks have become popular libraries tend to join into federations. Each federated digital library, apart from delivering discovery and navigation features within their own database allows users to ...
  • Building a Semantic Web Search Engine: Challenges and Solutions 

    Harth, Andreas; Hogan, Aidan; Umbrich, Jürgen; Decker, Stefan (2008)
    Current web search engines return links to documents for user-specified keywords queries. Users have to then manually trawl through lists of links and glean the required information from documents. In contrast, semantic ...
  • Cataloguing and Linking Life Sciences LOD 

    Hasnain, Ali; Fox, Ronan; Deus, Helena F.; Decker, Stefan (2012)
    The Life Sciences Linked Open Data (LSLOD) Cloud is currently comprised of multiple datasets that add high value to biomedical research. The ability to navigate through these datasets in order to derive and discover new ...
  • Churn in Social Networks 

    Karnstedt, Marcel; Hennessy, Tara; Chan, Jeffrey; Basuchowdhuri, Partha; Hayes, Conor (Springer, 2010)
    Telcom networks, online gaming communities, online communities and discussion forums all have one thing in common: they all can be represented by a network of the social links between people. The links in this social network ...
  • Collaboration on the Social Semantic Desktop 

    Groza, Tudor; Handschuh, Siegfried (2007)
    To accomplish the daily work people use several desktop applications to collaborate with co-workers. Each application is specialized on a specific domain, such as document management, email, or time planning. Although ...
  • Collaboration on the Social Semantic Desktop 

    Groza, Tudor; Handschuh, Siegfried (2007)
    To accomplish the daily work people use several desktop applications to collaborate with co-workers. Each application is specialized on a specific domain, such as document management, email, or time planning. Although the ...
  • Constructing Twitter Datasets using Signals for Event Detection Evaluation 

    Hromic, Hugo; Hayes, Conor (22nd International Conference on Case-Based Reasoning, 2014-09-29)
    Twitter is a very attractive real-time platform for research on event detection. However, despite the great amount of interest, datasets suitable for evaluating such methods are not easily available. The two most important ...
  • A Content Analysis: How Wikipedia Talk Pages Are Used 

    Schneider, Jodi; Passant, Alexandre; Breslin, John G. (2010)
  • A Context Lifecycle For Web-Based Context Management Services 

    Hynes, Gearoid; Reynolds, Vinny; Hauswirth, Manfred (2009)
    During the development of context aware applications a con- text management component must traditionally be created. This task re- quires specialist context lifecycle management expertise and hence can be a significant ...
  • Converging Web and Desktop Data with Konduit 

    Dragan, Laura; Möller, Knud; Handschuh, Siegfried; Ambrus, Oszkar (2009)
    In this paper we present Konduit, a desktop-based platform for visual scripting with RDF data. Based on the idea of the semantic desktop, non-technical users can create, manipulate and mash-up RDF data with Konduit, and ...