• A Model-Driven Approach to Interoperability in B2B Data Exchange 

      Roman, Dumitru; Morin, Brice; Wang, Sixuan; Berre, Arne- Jørgen (Chapter, 2011)
      With the B2B data exchange becoming ubiquitous nowadays, automating as much as possible the exchange of data between collaborative enterprise systems is a key requirement for ensuring agile interoperability and scalability ...
    • A Semi-automatic approach Transformation approach for Semantic Interoperability 

      Wang, Sixuan; Morin, Brice; Roman, Dumitru; Berre, Arne- Jørgen (Chapter, 2011)
      As data exchange and model transformation become ubiquitous nowadays, it is a key requirement to improve interoperability of enterprise systems at the semantic level. Many approaches in Model-driven Architecture (MDA) and ...
    • A Visual Data Profiling Tool for Data Preparation 

      Zernichow, Bjørn Marius von; Roman, Dumitru (Chapter, 2017)
      In this paper, we propose a tool that implements visual data profiling capabilities for data preparation – an essential step in the process of linked data generation. Our tool features visual data profiling – a technique ...
    • 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 ...
    • 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, ...
    • 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 ...
    • Enabling Data Markets Using Smart Contracts and Multi-party Computation 

      Roman, Dumitru; Vu, Kien (Lecture Notes in Business Information Processing;339, Chapter, 2018)
      With the emergence of data markets, data have become an asset that is used as part of transactions. Current data markets rely on trusted third parties to manage the data, creating single points of failure with possibly ...
    • Enabling the Use of Sentinel-2 and LiDAR Data for Common Agriculture Policy Funds Assignment 

      Estrada, Jesus; Sánchez, Héctor; Hernanz, Lorena; Checa, María José; Roman, Dumitru (Journal article; Peer reviewed, 2017)
      A comprehensive strategy combining remote sensing and field data can be helpful for more effective agriculture management. Satellite data are suitable for monitoring large areas over time, while LiDAR provides specific and ...
    • From standards and regulations to executable rules: A case study in the Building Accessibility domain 

      Shi, Ling; Roman, Dumitru (Journal article; Peer reviewed, 2017)
      Regulatory compliance check in the building industry is a complex task that involves cross-domain national and international standards and regulations. This paper introduces a refined approach to extract SWRL rules from ...
    • 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 common agriculture policy: Enabling semantic querying over sentinel-2 and LiDAR data 

      Sukhobok, Dina; Sanchez, Hector; Estrada, Jesus; Roman, Dumitru (Journal article; Peer reviewed, 2017)
      The amount of open and free satellite earth observation data combined with available data from other sectors (e.g. biodiversity, landscape elements, cadaster data) has the potential to enhance decisionmaking processes in ...
    • 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 ...
    • Publishing socio-economic territory indices as linked data and their visualization for real estate valuation 

      Sukhobok, Dina; Djordjevic, Divna; Sanvito, Diego; Paniagua, Javier; Roman, Dumitru (Journal article; Peer reviewed, 2017)
      The correct estimation of the real estate value facilitates decision making in various sectors, such as Public administration or the real estate market. In this paper we demonstrate a method to manage territory scores and ...
    • Standards and Initiatives for Service Modeling - The Case of OMG SoaML 

      Roman, Dumitru; Carrez, Cyril; Elvesæter, Brian; Berre, Arne- Jørgen (Chapter, 2011)
      Service modeling is a key element of any service-oriented system. It is the foundation on which core service-related tasks such as service discovery, composition, and mediation rely. During the past years standardization ...
    • 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, ...
    • Towards a Knowledge Graph Based Platform for Public Procurement 

      Simperl, Elena; Corcho, Oscar; Grobelnik, Marko; Roman, Dumitru; Soylu, Ahmet; Ruíz, María Jesús Fernández; Gatti, Stefano; Taggart, Chris; Klima, Urška Skok; Uliana, Annie Ferrari; Makgill, Ian; Lech, Till Christopher (Journal article; Peer reviewed, 2019)
      Procurement affects virtually all sectors and organizations particularly in times of slow economic recovery and enhanced transparency. Public spending alone will soon exceed EUR 2 trillion per annum in the EU. Therefore, ...