• DataGraft: A Platform for Open Data Publishing 

      Roman, Dumitru; Dimitrov, Marin; Nikolov, Nikolay; Pultier, Antoine; Elvesæter, Brian; Simov, Alex; Petkov, Yavor (Journal article; Peer reviewed, 2016)
      DataGraft is a platform for Open Data management. It has the goals to simplify and speed up the data publishing process and to improve the reliability and scalability of the data consumption process. This demonstrator ...
    • DataGraft beta v2: New features and capabilities 

      Nikolov, Nikolay; Sukhobok, Dina; Dragnev, Stefan; Dalgard, Steffen Harald; Elvesæter, Brian; von Zernichow, Bjørn Marius; Roman, Dumitru (Journal article; Peer reviewed, 2017)
      In this demonstrator, we will introduce the latest features and capabil-ities added to DataGraft – a Data-as-a-Service platform for data preparation and knowledge graph generation. DataGraft provides data transformation, ...
    • Data preparation as a service based on Apache Spark 

      Mahasivam, Nivethika; Nikolov, Nikolay; Sukhobok, Dina; Roman, Dumitru (Journal article; Peer reviewed, 2017)
      Data preparation is the process of collecting, cleaning and consolidating raw datasets into cleaned data of certain quality. It is an important aspect in almost every data analysis process, and yet it remains tedious and ...
    • Interacting with subterranean infrastructure linked data using augmented reality 

      Sukhobok, Dina; Nikolov, Nikolay; Lech, Till Christopher; Moberg, Arnt-Henning; Frantsvåg, Roar; Bergaas, Helene Risti; Roman, Dumitru (Journal article; Peer reviewed, 2017)
      Subterranean infrastructure damages caused by excavation works of all kinds are costly and potentially dangerous for workers. Such damages are often caused by poor subterranean data or inappropriate use of the existing ...
    • Linked data for the Norwegian state of estate reporting service 

      Shi, Ling; Pettersen, Bjørg Elsa; Sukhobok, Dina; Nikolov, Nikolay; Roman, Dumitru (Journal article; Peer reviewed, 2017)
      The Norwegian State of Estate (SoE) report includes information about all Norwegian state-owned properties and buildings in the public sector and aims to assist government decision makers to allocate resources more ...
    • Norwegian State of estate report as linked open data 

      Shi, Ling; Sukhobok, Dina; Nikolov, Nikolay; Roman, Dumitru (Journal article; Peer reviewed, 2017)
      This paper presents the Norwegian State of Estate (SoE) dataset containing data about real estates owned by the central government in Norway. The dataset is produced by integrating cross-domain government datasets including ...
    • ProDataMarket: A data marketplace for monetizing linked data 

      Roman, Dumitru; Paniagua, Javier; Tarasova, Tatiana; Georgiev, Georgi; Sukhobok, Dina; Nikolov, Nikolay; Lech, Till Christopher (Journal article; Peer reviewed, 2017)
      Linked data has emerged as an interesting technology for Publishing structured data on the Web but also as a powerful mechanism for integrating disparate data sources. Various tools and approaches have been developed in ...
    • Tabular Data Anomaly Patterns 

      Sukhobok, Dina; Nikolov, Nikolay; Roman, Dumitru (Chapter, 2017)
      One essential and challenging task in data science is data cleaning - the process of identifying and eliminating data anomalies. Different data types, data domains, data acquisition methods, and final purposes of data ...
    • The InfraRisk ontology: enabling semantic interoperability for critical infrastructures at risk from natural hazards 

      Roman, Dumitru; Sukhobok, Dina; Nikolov, Nikolay; Elvesæter, Brian; Pultier, Antoine (Journal article; Peer reviewed, 2017)
      Earthquakes, landslides, and other natural hazard events have severe negative socio-economic impacts. Among other consequences, those events can cause damage to infrastructure networks such as roads and railways. Novel ...
    • Towards a collective awareness platform for privacy concerns and expectations 

      Flouris, Giorgos; Patkos, Theodore; Chrysakis, Ioannis; Konstantinou, Ioulia; Nikolov, Nikolay; Papadakos, Panagiotis; Pitt, Jeremy; Roman, Dumitru; Stan, Alexandru; Zeginis, Chrysostomos (Journal article; Peer reviewed, 2018)
      In an increasingly instrumented and inter-connected digital world, citizens generate vast amounts of data, much of it being valuable and a significant part of it being personal. However, controlling who can collect it, ...