Ontology based data access in Statoil

E Kharlamov, D Hovland, MG Skjæveland… - Journal of Web …, 2017 - Elsevier
Abstract Ontology Based Data Access (OBDA) is a prominent approach to query databases
which uses an ontology to expose data in a conceptually clear manner by abstracting away …

Semantic access to streaming and static data at Siemens

E Kharlamov, T Mailis, G Mehdi, C Neuenstadt… - Journal of Web …, 2017 - Elsevier
We present a description and analysis of the data access challenge in Siemens Energy. We
advocate Ontology Based Data Access (OBDA) as a suitable Semantic Web driven …

Capturing industrial information models with ontologies and constraints

E Kharlamov, BC Grau, E Jiménez-Ruiz… - The Semantic Web …, 2016 - Springer
This paper describes the outcomes of an ongoing collaboration between Siemens and the
University of Oxford, with the goal of facilitating the design of ontologies and their …

Towards semantically enhanced digital twins

E Kharlamov, F Martin-Recuerda… - … Conference on Big …, 2018 - ieeexplore.ieee.org
Digital twins (DTs) are a powerful mechanism for representing complex industrial assets
such as oil platforms as digital models. These models can facilitate temporal analyses and …

A semantic data marketplace for easy data sharing within a smart city

A Pomp, A Paulus, A Burgdorf, T Meisen - Proceedings of the 30th ACM …, 2021 - dl.acm.org
Today, smart city applications are largely based on data collected from different
stakeholders. This presupposes that the required data sources are publicly available. While …

Semantically-enhanced rule-based diagnostics for industrial Internet of Things: The SDRL language and case study for Siemens trains and turbines

E Kharlamov, G Mehdi, O Savković, G **ao… - Journal of web …, 2019 - Elsevier
Abstract An Industrial Internet of Things (IoT) is a network of intelligent industrial equipment
such as trains and power generating turbines that collect and share large amounts of data …

Towards analytics aware ontology based access to static and streaming data

E Kharlamov, Y Kotidis, T Mailis, C Neuenstadt… - The Semantic Web …, 2016 - Springer
Real-time analytics that requires integration and aggregation of heterogeneous and
distributed streaming and static data is a typical task in many industrial scenarios such as …

Semantic rule-based equipment diagnostics

G Mehdi, E Kharlamov, O Savković, G **ao… - The Semantic Web …, 2017 - Springer
Industrial rule-based diagnostic systems are often data-dependant in the sense that they rely
on specific characteristics of individual pieces of equipment. This dependence poses …

An ontology-mediated analytics-aware approach to support monitoring and diagnostics of static and streaming data

E Kharlamov, Y Kotidis, T Mailis, C Neuenstadt… - Journal of Web …, 2019 - Elsevier
Streaming analytics that requires integration and aggregation of heterogeneous and
distributed streaming and static data is a typical task in many industrial scenarios including …

Decentralized stream reasoning agents

GA Tataroğlu Özbulak - Proceedings of the 17th ACM International …, 2023 - dl.acm.org
This PhD project proposes the theoretical and technological foundations of an approach for
decentralized processing of streaming knowledge graphs, where autonomous reasoners …