Now showing items 1-6 of 6

    • COOL-WD: A Completeness Tool for Wikidata 

      Darari F; Eko Prasojo R; Razniewski S; Nutt W (CEUR-WS.org, 2017)
      Wikidata as a collaborative Semantic Web data source has enjoyed increasing prominence, storing over 150 million facts about more than 26 million entities. Yet it is missing a way to assess its complete- ness. In this demo ...
    • Effects of changing climate on european stream invertebrate communities: a long-term data analysis 

      Jourdan J; O'Hara RB; Bottarin R; Huttunen K-L; Kuemmerlen M; Monteith D; Muotka T; Ozoliņš D; Paavola R; Pilotto F; Springe G; Skuja A; Sundermann A; Tonkin JD; Haase P (2018)
      Long-term observations on riverine benthic invertebrate communities enable assessments of the potential impacts of global change on stream ecosystems. Besides increasing average temperatures, many studies predict greater ...
    • The Optique Project: Towards OBDA Systems for Industry 

      Calvanese D; Giese M; Haase P; Horrocks I; Hubauer T; Ioannidis Y; Jiménez-Ruiz E; Kharlamov E; Kllapi H; Klüwer J; Koubarakis M; Lamparter S; Möller R; Neuenstadt C; Nordtveit T; Özcep Ö; Rodriguez-Muro M; Roshchin M; Ruzzi M; Savo F; Schmidt M; Soylu A; Waaler A; Zheleznyakov D (CEUR-WS, 2013)
      In this paper we present the EU Optique project that aims at developing an end-to-end OBDA system for managing Big Data in industries. We discuss limitations of state of the art OBDA systems and present the general ...
    • Optique: OBDA Solution for Big Data 

      Calvanese D; Giese M; Haase P; Horrocks I; Hubauer T; Ioannidis Y; Jiménez-Ruiz E; Kharlamov E; Kllapi H; Klüwer J; Koubarakis M; Lamparter S; Möller R; Neuenstadt C; Nordtveit T; Özcep Ö; Rodriguez-Muro M; Roshchin M; Savo F; Schmidt M; Soylu A; Waaler A; Zheleznyakov D (Springer, 2013)
      Accessing the relevant data in Big Data scenarios is increasingly difficult both for end-user and IT-experts, due to the volume, variety, and velocity dimensions of Big Data. This brings a high cost overhead in data access ...
    • Optique: Zooming in on Big Data 

      Giese M; Soylu A; Vega-Gorgojo G; Waaler A; Haase P; Jiménez-Ruiz E; Lanti D; Rezk M; Xiao G; Özçep Ö; Rosati R (2015)
      Optique overcomes problems in current ontology-based data access systems pertaining to installation overhead, usability, scalability, and scope by integrating a user-oriented query interface, semi-automated managing methods, ...
    • Research questions to facilitate the future development of European long-term ecosystem research infrastructures: A horizon scanning exercise 

      Musche M; Adamescu M; Angelstam P; Bacherd S; Bäck J; Buss HL; Duffy C; Flaim G; Gaillardet J; Giannakis GV; Haase P; Halada L; Kissling WD; Lundin L; Matteucci G; Meesenburg H; Monteith D; Nikolaidis N; Pipan T; Pyšek P; Rowe E; Roy D; Sier A; Tappeiner U; Vilà M; White T; Zobel M; Klotz S (2019)
       Distributed environmental research infrastructures are important to support assessments of the effects of global change on landscapes, ecosystems and society. These infrastructures need to provide continuity to address ...