Now showing items 427-446 of 471

  • Understanding Contributor to Developer Turnover Patterns in OSS Projects: A Case Study of Apache Projects 

    Iqbal, Aftab (Hindawi Publishing Corporation, 2014-01-19)
    OSS projects are dynamic in nature. Developers contribute to a project for a certain period of time and later leave the project or join other projects of high interest. Hence, the OSS community always welcomes members who ...
  • Understanding Linked Open Data as a Web-Scale Database 

    Hausenblas, Michael; Karnstedt, Marcel (2010)
    While Linked Open Data (LOD) has gained much attention in the recent years, requirements and the challenges concerning its usage from a database perspective are lacking. We argue that such a perspective is crucial for ...
  • Understanding the Maturity of Sustainable ICT 

    Curry, Edward; Donnellan, Brian (Springer, 2012)
    Sustainable ICT (SICT) can develop solutions that offer benefits both internally in IT and across the extended enterprise. However, because the field is new and evolving, few guidelines and best practices are available. ...
  • UniStore: Querying a DHT-based Universal Storage 

    Karnstedt, Marcel; Hauswirth, Manfred (2007)
    In recent time, the idea of collecting and combining large public data sets and services became more and more popular. The special characteristics of such systems and the requirements of the participants demand for ...
  • Unsupervised Graph-Based Topic Labelling using DBpedia 

    Hulpus, Ioana; Hayes, Conor; Karnstedt, Marcel; Greene, Derek (2013)
    Automated topic labelling brings benefits for users aiming at analysing and understanding document collections, as well as for search engines targetting at the linkage between groups of words and their inherent topics. ...
  • Unsupervised learning for understanding student achievement in a distance learning setting 

    Liu, Shuangyan; d’Aquin, Mathieu (IEEE, 2017-04-25)
    Many factors could affect the achievement of students in distance learning settings. Internal factors such as age, gender, previous education level and engagement in online learning activities can play an important role ...
  • Update Semantics for Interoperability among XML, RDF and RDB - A Case Study of Semantic Presence in CISCO's Unified Presence Systems 

    Ali, Muhammad Intizar; Lopes, Nuno; Mileo, Alessandra (Springer, 2013)
    XSPARQL is a transformation and querying language that provides an integrated access over heterogeneous data sources on the fly. It is an extension of XQuery which supports a subset of SPARQL and SQL to provide unified ...
  • Using domain-specific and collaborative resources for term translation 

    Arcan, Mihael; Buitelaar, Paul; Federmann, Christian (Association for Computational Linguistics, 2012-07)
    In this article we investigate the translation of terms from English into German and vice versa in the isolation of an ontology vocabulary. For this study we built new domainspecific resources from the translation ...
  • Using drug similarities for discovery of possible adverse reactions 

    Muñoz, Emir; Nováček, Vít; Vandenbussche, Pierre-Yves (AMIA, 2017-02-10)
    We propose a new computational method for discovery of possible adverse drug reactions. The method consists of two key steps. First we use openly available resources to semi-automatically compile a consolidated data set ...
  • Using linked data to mine RDF from wikipedia's tables 

    Muñoz, Emir; Hogan, Aidan; Mileo, Alessandra (ACM, 2014)
    The tables embedded in Wikipedia articles contain rich, semi-structured encyclopaedic content. However, the cumulative content of these tables cannot be queried against. We thus propose methods to recover the semantics of ...
  • Using social media data for online television recommendation services at RTÉ Ireland 

    Barraza-Urbina, Andrea; Hromic, Hugo; Heitmann, Benjamin; Hayes, Conor; Hulpus, Ioana (2015-09)
    Raidió Teilifís Éireann (RTÉ) is the public service television and radio broadcaster in Ireland. Through on demand video services, RTÉ allows their users to catch up on television broadcasts via the RTÉ Player. The company ...
  • Using social media for online television adaptation services at RTÉ Ireland 

    Barraza-Urbina, Andrea; Hromic, Hugo; Heitmann, Benjamin; Tamatam, Himasagar; Yañez, Andrea; Hayes, Conor (Insight Centre for Data Analytics, National University of Ireland, Galway, 2016)
    RTÉ (Raidió Teilifís Éireann) is the national provider of Television (TV) and radio in Ireland. RTÉ broadcasts its content online through the RTÉ Player and provides services to interact with its users using social media, ...
  • Using Tags and Clustering to Identify Topic-Relevant Blogs 

    Hayes, Conor (IAAA, 2007)
    The Web has experienced an exponential growth in the use of weblogs or blogs. Blog entries are generally organised using tags, informally defined labels which are increasingly being proposed as a `grassroots¿ answer to ...
  • Validation of expressive XML keys with XML schema and XQuery 

    Liu, Bo; Link, Sebastian; Muñoz, Emir (ACS, 2015)
    The eXtensible Markup Language (XML) is the defacto industry standard for exchanging data on the Web and elsewhere. While the relational model of data enjoys a well-accepted definition of a key, several competing notions ...
  • Virtual Location-Based Services: Merging the Physical and Virtual World 

    Von Der Weth, Christian; Hegde, Vinod; Hauswirth, Manfred (2014)
    [no abstract available]
  • Visual Abstraction and Ordering in Faceted Browsing of Text Collections 

    Thai, VinhTuan; Handschuh, Siegfried (2010)
    While faceted navigation interfaces can assist users in exploring an information collection, there is yet little support for users in choosing a relevant item from the set of items returned from a filtering process. In ...
  • Weaving SIOC into the Web of Linked Data 

    Bojars, Uldis; Passant, Alexandre; Cyganiak, Richard; Breslin, John (2008)
    Social media sites can act as a rich source of large amounts of data by letting anyone easily create content on the Web. The SIOC ontology and tools developed for it allow us to express this information as interlinked RDF ...
  • Weaving the Pedantic Web 

    Hogan, Aidan; Harth, Andreas; Passant, Alexandre; Decker, Stefan; Polleres, Axel (CEUR, 2010)
    Over a decade after RDF has been published as a W3C recommendation, publishing open and machine-readable content on the Web has recently received a lot more attention, including from corporate and governmental bodies; ...
  • Web of Data Plumbing - Lowering the Barriers to Entry 

    Umbrich, Jürgen; Hastrup, Tuukka; Hausenblas, Michael (2009)
    Publishing and consuming content on the Web of Data often requires considerable expertise in the underlying technologies, as the expected services to achieve this are either not packaged in a simple and accessible manner, ...