Dr. Ratnesh Sahay

Research Unit Leader, Research Fellow, Adjunct Lecturer

Publications

2017

Yasar Khan, Antoine Zimmermann, Alok Kumar, Dietrich Rebholz-Schuhmann, Ratnesh Sahay: Querying Web Polystores. 2017 IEEE International Conference on Big Data(Big Data 2017), December 11-14, 2017, Boston, MA, USA.

Alokkumar Jha, Yasar Khan, Muntazir Mehdi, Md Rezaul Karim, Qaiser Mehmood, Achille Zappa, Dietrich Rebholz-Schuhmann and Ratnesh Sahay: Towards precision medicine: discovering novel gynecological cancer biomarkers and pathways using linked data. Journal of Biomedical Semantics 8(1), 40 (2017).

Md Rezaul Karim, Audrey Michel, Achille Zappa, Pavel Baranov, Ratnesh Sahay and Dietrich Rebholz-Schuhmann: Improving data workflow systems with cloud services and use of open data for bioinformatics research. Briefings in Bioinformatics 16 (1), 39 2017

Athos Antoniades, Aristos Aristodimou, Christos Georgousopoulos, Nikolaus Forgó, Ann Gledson, Panagiotis Hasapis, Caroline Vandeleur, Konstantinos Perakis, Ratnesh Sahay, Muntazir Mehdi, Christiana A. Demetriou, Marie-Pierre F. Strippoli, Vasiliki Giotaki, Myrto Ioannidi, David Tian, Federica Tozzi, John Keane and Constantinos Pattichis: Advancing clinical research by semantically interconnecting aggregated medical data information in a secure context. Journal of Health and Technology, Special Issue on Systems Medicine, (1-18) 2017

Yasar Khan, Muhammed Saleem, Muntazir Mehdi, Aidan Hogan, Qaiser Mehmood, Dietrich Rebholz-Schuhmann, Ratnesh Sahay: SAFE: SPARQL Federation over RDF Data Cubes with Access Control. Journal of Biomedical Semantics 8(1), 5 (2017).

Alokkumar Jha, Yasar Khan, Dietrich Rebholz-Schumann and Ratnesh Sahay: A linked data approach to discover HPV oncoprotiens and RB1 induced mutation associations for the retinoblastoma research. Journal of Cancer Research January 2017 (77) (2 Supplement).

2016

Muntazir Mehdi, Yasar Khan, Andre Freitas, Joao Bosco Jares, Saleem Raza, Panagiotis Hasapis, and Ratnesh Sahay. A Linked Data Visualiser for Finite Element Biosimulations. In proceedings of the tenth IEEE International Conference on Semantic Computing, California, USA. (Best Paper).

Muntazir Mehdi, Yasar Khan, Andre Freitas, Joao Bosco Jares, Saleem Raza, Panagiotis Hasapis, and Ratnesh Sahay. Demonstrating A Linked Data Visualiser for Finite Element Biosimulations (Demo paper). In proceedings of the tenth IEEE International Conference on Semantic Computing, California, USA.

Muntazir Mehdi, Yasar Khan, Joao Jares, André Freitas, Alokkumar Jha, Antonis Sakellarios, Ratnesh Sahay: A Linked Data Visualiser for Finite Element Biosimulations. Int. J. Semantic Computing 10(2): 219-246 (2016).

Alokkumar Jha, Muntazir Mehdi, Yasar Khan, Qaiser Mehmood, Dietrich Rebholz-Schuhmann, Ratnesh Sahay: Drug Dosage Balancing Using Large Scale Multi-Omics Datasets. In proceedings of the 42st International Conference on Very Large Data Bases (VLDB), workshop on Data Management and Analytics for Medicine and Healthcare, New Delhi, India .

2015

Alokkumar Jha, Yasar Khan, Muntazir Mehdi, Aftab Iqbal, Achille Zappa, Ratnesh Sahay, Dietrich Rebholz-Schuhmann. Linked Functional Annotation For Differentially Expressed Gene (DEG) Demonstrated using Illumina Body Map 2.0. In proceedings of the Semantinc Web Applications and Tools for Life Sciences (SWAT4LS) International Conference 2015, Cambridge, UK.

Muntazir Mehdi, Yasar Khan, Andre Freitas, Joao Jares, Stefan Decker, and Ratnesh Sahay. A Linked Data Platform for Finite Element Bio-Simulations. In proceedings of the SEMANTiCS 2015, Vienna, Austria.

Yasar Khan, Muntazir Mehdi, Alokkumar Jha, Saleem Razaz, Andre Freitas, Marggie Jones, and Ratnesh Sahay. Extending Inner-Ear Anatomical concepts in the Foundational Model of Anatomy (FMA) Ontology. In proceedings of the 15th International Conference on Bioinformatics & Bioengineering (BIBE2015), 2-4 November 2015, Belgrade, Serbia.

Muntazir Mehdi, Aftab Iqbal, Yasar Khan, Stefan Decker, and Ratnesh Sahay. Detecting Inner-Ear Anatomical and Clinical Datasets in the Linked Open Data (LOD) Cloud. In proceedings of the BDM2I, 14th International Semantic Web Conference (ISWC) 2015, Pennsylvania, USA.

Muntazir Mehdi, Yasar Khan, Andre Freitas, Joao Jares, Panagiotis Hasapis, and Ratnesh Sahay. Demonstrating a Linked Data Platform for Finite Element Biosimulations of Cochlear Mechanics. In proceedings of the 14th International Semantic Web Conference (ISWC) 2015 (Demo Track), Pennsylvania, USA.

2014

Yasar Khan, Muhammad Saleem, Aftab Iqbal, Muntazir Mehdi, Aidan Hogan, Panagiotis Hasapis, Axel-Cyrille Ngonga Ngomo, Stefan Decker, and Ratnesh Sahay. SAFE: Policy Aware SPARQL Query Federation Over RDF Data Cubes. In Semantic Web Applications and Tools for the Life Sciences (SWAT4LS) 2014, Berlin, Germany.

André Freitas, Kartik Asooja, Joao Jares, Stefan Decker and Ratnesh Sahay. A Semantic Web Platform for Improving the Automation and Reproducibility of Finite Element Bio-simulation. In Semantic Web Applications and Tools for the Life Sciences (SWAT4LS), Berlin, 2014.

Ratnesh Sahay, Yasar Khan, Aftab Iqbal, Oya Deniz Beyan, and Stefan Decker. Linked2Safety: Ensuring Patient Safety in Clinical Trials. In 25th European Medical Informatics Conference - MIE2014, Istanbul, Turkey (Short Paper & Invited Talk)

Muntazir Mehdi, Aftab Iqbal, Aidan Hogan, Ali Hasnain, Yasar Khan, Stefan Decker, and Ratnesh Sahay. Discovering Domain-Specific Public SPARQL Endpoints: A Life-Sciences Use-Case. In 18th International Database Engineering & Applications Symposium (IDEAS) , Porto, Portugal, 2014.

Andre Freitas, Kartik Asooja, Swapnil Soni, Marggie Jones, Panagiotis Hasapis, and Ratnesh Sahay. Towards a Semantic Web Platform for Finite Element Simulations. In 11th European Semantic Web Conference (ESWC), Springer LNCS Notes, Crete, Greece, 2014.

Ratnesh Sahay, Antoine Zimmermann, Ronan Fox, Axel Polleres, and Manfred Hauswirth. A Formal Investigation of Semantic Interoperability of HCLS Systems. In Miguel-Angel Sicilia, Pablo Serrano-Balazote (ed.), Interoperability in Healthcare Information Systems: Standards, Management, and Technology, IGI Global, 2014.

Muntazir Mehdi, Aftab Iqbal, Ali Hasnain, Yasar Khan, Stefan Decker, and Ratnesh Sahay. Utilizing Domain-Specific Keywords for Discovering Public SPARQL Endpoints: A Life-Sciences Use-Case. In 29th Annual ACM Symposium on Applied Computing, the Semantic Web and Applications (SWA) track, Gyeongju, Korea, 2014 (Best Paper).

2013

Andre Freitas, Marrgie Jones, Kartik Asooja, Christos Bellos, Steve Elliott, Stefan Stenfelt, Panagiotis Hasapis, Christos Georgousopoulos, Torsten Marquardt, Nenad Filipovic, Stefan Decker, and Ratnesh Sahay. Towards a Semantic Representation for Multi-Scale Finite Element Biosimulation Experiments. In 13th IEEE International Conference on BioInformatics and BioEngineering (BIBE) 2013, Chania, Greece, 2013.

Christos Bellos, Athanasios Bibas, Dimitrios Kikidis, Steve Elliott, Stefan Stenfelt, Ratnesh Sahay, Konstantina Nikita, Dimitrios Koutsouris, and Dimitrios I. Fotiadis. SIFEM Project: Semantic Infostructure interlinking an open source Finite Element tool and libraries with a model repository for the multi-scale Modelling of the inner-ear. In 13th IEEE International Conference on BioInformatics and BioEngineering (BIBE) 2013, Chania, Greece, 2013.

Oya Deniz Beyan, Aftab Iqbal, Yasar Khan, Athos Antoniades, John Keane, Panagiotis Hasapis, Christos Georgousopoulos, Myrto Ioannidi, Stefan Decker, and Ratnesh Sahay. Querying Phenotype-Genotype Associations across Multiple Knowledge Bases using Semantic Web Technologies. In 13th IEEE International Conference on BioInformatics and BioEngineering, Chania, Greece, 2013.

Konstantinos Perakis, Thanasis Bouras, Dimitris Ntalaperas, Panagiotis Hasapis, Christos Georgousopoulos, Ratnesh Sahay, Oya Deniz Beyan, Cristi Potlog, and Daniela Usurelu. Advancing Patient Record Safety and EHR Semantic Interoperability. In IEEE SMC 2013 - IEEE International Conference on Systems, Man, and Cybernetics, Manchester, United Kingdom, 2013.

David Tian, Ann Gledson, Athos Antoniades, Aristo Aristodimou, Ntalaperas Dimitrios, Ratnesh Sahay, Jianxin Pan, Stavros Stivaros, Goran Nenadic, Xiao-jun Zeng, and John Keane. A Bayesian Association Rule Mining Algorithm. In IEEE SMC 2013 - IEEE International Conference on Systems, Man, and Cybernetics, Manchester, United Kingdom, 2013.

Muntazir Mehdi, Ratnesh Sahay, Wassim Derguech, and Edward Curry. On-The-Fly Generation of Multidimensional Data Cubes for Web of Things. In 17th International Database Engineering & Applications Symposium (IDEAS 2013), ACM Digital Library, Barcelona, Spain, 2013.

Ratnesh Sahay, Dimitrios Ntalaperas, Eleni Kamateri, Panagiotis Hasapis, Oya Beyan, Marie-Pierre Strippoli, Christiana Demetriou, Thomai Gklarou-Stavropoulou, Mathias Brochhausen, Konstantinos Tarabanis, Thanassis Bouras, David Tian, Aristos Aristodimou, Athos Antoniades, Christos Georgousopoulos, Manfred Hauswirth, and Stefan Decker. An Ontology for Clinical Trial Data Integration. In IEEE SMC 2013 - IEEE International Conference on Systems, Man, and Cybernetics, Manchester, United Kingdom, 2013.

Aristo Aristodimou, Athos Antoniades, Christos Georgousopoulos, John Keane, Ratnesh Sahay, Nikolaus Forgo, Cristi Potlog, K. Tarabanis, Myrto Ioannidi, Marie-Pierre Strippoli, Christiana Demetriou, and Constantinos Pattichis. Linked2Safety. In 21st Annual International Conference on Intelligent Systems for Molecular Biology and 12th Annual European Conference on Computational Biology (ISMB/ECCB), Berlin, Germany, 2013.

2011

Ratnesh Sahay, Ronan Fox, Antoine Zimmermann, Axel Polleres, and Manfred Hauswirth. A Methodological Approach for Ontologising and Aligning Health Level Seven (HL7) Applications. In the International cross domain conference on Availability, Reliability and Security for Business, Enterprise and Health Information systems, Special Track on Eletronic Healthcare (SALUS 2011), Vienna, Austria, 2011.

2009

Antoine Zimmermann, Ratnesh Sahay, Ronan Fox, and Axel Polleres. Heterogeneity and Context in Semantic-Web-Enabled HCLS Systems. In 8th International Conference on Ontologies, DataBases, and Applications of Semantics (ODBASE 2009), Vilamoura, Algarve, Portugal, 2009.

Ratnesh Sahay, Ronan Fox, and Manfred Hauswirth. semantic Service-Oriented Design And Development Methodology For Enterprise Healthcare Integration. In 5th International Conference on Web Information Systems and Technologies (WEBIST 2009), Lisbon, Portugal, 2009.

2008

Ratnesh Sahay, Ronan Fox, and Manfred Hauswirth. Ontologising Interaction Behavior for Service-Oriented Enterprise Healthcare Integration. In 6th IEEE European Conference on Web Services (ECOWS 2008), Dublin, Ireland, 2008.

Ronan Fox, Ratnesh Sahay, and Manfred Hauswirth. PPEPR for Enterprise Healthcare Integration. In eHealth 2008 Conference, City University, London EC1, United Kingdom 2008.

Ratnesh Sahay, Waseem Akhtar, and Ronan Fox. PPEPR: Plug and Play Electronic Patient Records. In 23rd Annual ACM Symposium on Applied Computing, the Semantic Web and Applications (SWA) track, Fortaleza, Brazil, 2008.