Et profilbilde

Førsteamanuensis
Tomasz Wiktorski { "honorific-suffix": "Førsteamanuensis", "fn": "Tomasz Wiktorski", "tel": "Telefon: 5183 2061", "email": "tomasz.wiktorski@uis.no" }

Avdeling/enhet Det teknisk- naturvitenskapelige fakultet
Institutt/senter Institutt for data- og elektroteknikk
Rom KE E-446
Hjemmeside www.wiktorski.net
Associate Professor
Department of Electrical and Computer Engineering
University of Stavanger, Norway

Forskningsområder

Time series analysis
Data storage
Data analytics
Big data

Utvalgte publikasjoner

Wiktorski, T., Hacker, T., Hansen, R. A., Rodgers, G. (2015, December) Experience with Problem-based Learning in a Hybrid Classroom, In Cloud Computing Technology and Science (CloudCom), 2014 IEEE 6th International Conference on (in pres). IEEE.

Wiktorski-Wlodarczyk, T., Hacker, T.J. (2014, December). Current trends in predictive analytics of Big Data. International Journal of Big Data Intelligence, 1(3), 172-180. Inderscience.

Wiktorski-Wlodarczyk, T., Hacker, T.J. (2014, December). Problem-based Learning Approach to a Course in Data Intensive Systems, In Cloud Computing Technology and Science (CloudCom), 2014 IEEE 6th International Conference on (pp. 942-948). IEEE.

Demchenko, Y., Bernstein, D., Belloum, A., Oprescu, A., Wiktorski-Wlodarczyk, T., & Laat, C. D. (2013, December). New Instructional Models for Building Effective Curricula on Cloud Computing Technologies and Engineering. In Cloud Computing Technology and Science (CloudCom), 2013 IEEE 5th International Conference on (Vol. 2, pp. 112-119). IEEE.

Taherimonfared, A., Wiktorski-Wlodarczyk, T., & Rong, C. (2013, December). Real-Time Handling of Network Monitoring Data Using a Data-Intensive Framework. In Cloud Computing Technology and Science (CloudCom), 2013 IEEE 5th International Conference on (Vol. 1, pp. 258-265). IEEE.

Wiktorski-Wlodarczyk, T. (2012, December). Overview of time series storage and processing in a cloud environment. In Proceedings of the 2012 IEEE 4th International Conference on Cloud Computing Technology and Science (CloudCom) (pp. 625-628). IEEE Computer Society.

Wiktorski-Wlodarczyk, T., Yi, H., Yu, X., & Rong, C. (2012). Evaluation of some optimisation techniques for semantic query answering on shared?nothing architecture. International Journal of Space-Based and Situated Computing, 2(1), 12-22.

Wiktorski-Wlodarczyk, T., Rong, C., O'Connor, M., & Musen, M. (2011, May). SWRL-F: a fuzzy logic extension of the semantic web rule language. In Proceedings of the International Conference on Web Intelligence, Mining and Semantics (p. 39). CEUR.

Jia, B., Wiktorski-Wlodarczyk, T., & Rong, C. (2010, November). Performance considerations of data acquisition in Hadoop system. In Cloud Computing Technology and Science (CloudCom), 2010 IEEE Second International Conference on (pp. 545-549). IEEE.

Esteves, R. M., Wiktorski-Wlodarczyk, T., Rong, C., & Landre, E. (2009, December). Bayesian Networks for Fault Detection under Lack of Historical Data. In Pervasive Systems, Algorithms, and Networks (ISPAN), 2009 10th International Symposium on (pp. 732-736). IEEE.

Wiktorski-Wlodarczyk, T., Rong, C., & Thorsen, K. A. H. (2009, December). Industrial cloud: toward inter-enterprise integration. In Cloud Computing (pp. 460-471). Springer Berlin Heidelberg.

Pågående forskning

CURRENT
EDISON - Education for Data Intensive Science to Open New science frontiers (EU Horizon 2020) - PI

Triangulum - Stavanger-Manchester-Eindhoven Smart Cities project (EU Horizon 2020) - contributor

PAST
Strategic Collaboration on Big Data Analysis and Communication between Purdue University and University of Stavanger (SIU) - co-author

A4Cloud - Accountability for Cloud and other Future Internet Services (EU FP7)
 - co-author

Safer@Home - Smart System to support Safer Independent Living and Social Interaction for Elderly at Home (NFR) - co-author


Arbeidserfaring

Taught courses:

Fall 2015 - Data Intensive System (DAT500 - Master level)
Fall 2014 - Data Intensive System (DAT500 - Master level)
Fall 2013 - Data Intensive System (DAT500 - Master level)
Fall 2012 - Semantic Technologies and Integrated Operations (MID270 - Master level)
Fall 2011 - Semantic Technologies and Integrated Operations (MID270 - Master level)

Vitenskapelige publikasjoner (fra CRISTin)

  • Agrawal, Bikash; Chakravorty, Antorweep; Wiktorski, Tomasz; Chunming, Rong (2016). Enrichment of Machine Learning based Activity Classification in Smart Homes using Ensemble Learning. I: Proceedings of the 9th International Conference on Utility and Cloud Computing. Association for Computing Machinery (ACM). ISBN 978-1-4503-4616-0. s. 196-201.
  • Agrawal, Bikash; Hansen, Raymond; Chunming, Rong; Wiktorski, Tomasz (2016). SD-HDFS: Secure Deletion in Hadoop Distributed File System. I: Proceedings 2016 IEEE International Congress on Big Data, 27 June - 2 July 2016 San Francisco, California, USA. IEEE. ISBN 978-1-5090-2622-7. s. 181-189.
  • Agrawal, Bikash; Wiktorski, Tomasz; Chunming, Rong (2016). Adaptive Anomaly Detection in Cloud Using Robust and Scalable Principal Component Analysis. I: Proceedings of 2016 15th International Symposium on Parallel and Distributed Computing. IEEE. ISBN 978-1-5090-4152-7.
  • Demchenko, Yuri; Belloum, Adam; Los, Wouter; Wiktorski, Tomasz; Manieri, Andrea; Brewer, Steve; Brocks, Holger; Becker, Jana; Heutelbeck, Dominic; Hemmje, Matthias (2016). EDISON Data Science Framework: A Foundation for Building Data Science Profession For Research and Industry. I: Proceedings of 2016 IEEE International Conference on Cloud Computing Technology and Science (CloudCom). IEEE. ISBN 978-1-5090-1445-3. s. 620-626.
  • Wiktorski, Tomasz; Shirazi, Anousheh Shenavari; Demchenko, Yuri; Belloum, Adam (2016). Quantitative and Qualitative Analysis of Current Data Science Programs from Perspective of Data Science Competence Groups and Framework. I: Proceedings of 2016 IEEE International Conference on Cloud Computing Technology and Science (CloudCom). IEEE. ISBN 978-1-5090-1445-3. s. 633-638.
  • Agrawal, Bikash; Chakravorty, Antorweep; Rong, Chunming; Wlodarczyk, Tomasz Wiktor (2015). R2Time: A framework to analyse open TSDB Time-series data in HBase. IEEE International Conference on Cloud Computing Technology and Science. ISSN 2330-2186. Volum 2015-February. Hefte February. s. 970-975. DOI: 10.1109/CloudCom.2014.84.
  • Agrawal, Bikash; Wiktorski, Tomasz; Chunming, Rong (2015). Analyzing and Predicting Failure in Hadoop Clusters Using Distributed Hidden Markov Model. I: Cloud Computing and Big Data. Springer Publishing Company. ISBN 978-3-319-28429-3. s. 232-246.
  • Manieri, Andrea; Brewer, Steve; Riestra, Ruben; Demchenko, Yuri; Hemmje, Matthias; Wiktorski, Tomasz; Ferrari, Tiziana; Frey, Jeremy (2015). Data Science Professional Uncovered: How the EDISON Project will Contribute to a Widely Accepted Profile for Data Scientists. I: 2015 IEEE 7th International Conference on Cloud Computing Technology and Science, Vancouver, Canada, 30. November-3. December, 2015. IEEE. ISBN 978-1-4673-9560-1. s. 588-593.
  • Selsaas, Lars Ropeid; Agrawal, Bikash; Chunming, Rong; Wiktorski, Tomasz (2015). AFFM: Auto feature engineering in field-aware factorization machines for predictive analytics. I: Data Mining Workshop (ICDMW), 2015 IEEE International Conference on. IEEE Press. ISBN 978-1-4673-8492-6. s. 1705-1709.
  • Wiktorski, Tomasz; Hacker, Thomas J. (2015). Problem-based learning approach to a course in data intensive systems. IEEE International Conference on Cloud Computing Technology and Science. ISSN 2330-2186. Volum 2015-February. Hefte February. s. 942-948. DOI: 10.1109/CloudCom.2014.133.
  • Wiktorski, Tomasz; Hacker, Thomas; Hansen, Raymond; Rodgers, Gregory (2015). Experience with Problem-based Learning in a Hybrid Classroom. I: 2015 IEEE 7th International Conference on Cloud Computing Technology and Science, Vancouver, Canada, 30. November-3. December, 2015. IEEE. ISBN 978-1-4673-9560-1. s. 575-581.
  • Agrawal, Bikash; Chakravorty, Antorweep; Rong, Chunming; Wlodarczyk, Tomasz Wiktor (2014). R2Time: a framework to analyse OpenTSDB timeseries data in HBase. I: CloudCom 2014, IEEE 6th International Conference on Cloud Computing Technology and Science, Singapore, 15-18. December, 2014. IEEE. ISBN 978-1-4799-4093-6. s. 970-975.
  • Chakravorty, Antorweep; Rong, Chunming; Evensen, Pål; Wlodarczyk, Tomasz Wiktor (2014). A Distributed Gaussian-Means Clustering Algorithm for Forecasting Domestic Energy Usage. I: Proceedings of 2014 International Conference on Smart Computing (SMARTCOMP 2014); 3-5 November 2014 Hong Kong, China. IEEE. ISBN 978-1-4799-5711-8. s. 229-236.
  • Chakravorty, Antorweep; Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2014). A Scalable K-Anonymization Solution for Preserving Privacy in an Aging-in-Place Welfare Intercloud. I: Proceedings of IEEE International Conference on Cloud Engineering (IC2E 2014); 10–14 March 2014, Boston, Massachusetts. IEEE. ISBN 978-1-4799-3766-0. s. 424-431.
  • Wlodarczyk, Tomasz Wiktor (2014). Performance of Data Extraction from OpenTSDB. I: Proceedings ITISE 2014 International work-conference On Time Series. University Granada. ISBN 978‐84‐15814‐97‐9. s. 1170-1181.
  • Wlodarczyk, Tomasz Wiktor; Hacker, Thomas (2014). Current trends in predictive analytics of big data. International Journal of Big Data Intelligence. ISSN 2053-1397. DOI: 10.1504/IJBDI.2014.066326.
  • Wlodarczyk, Tomasz Wiktor; Hacker, Thomas J. (2014). Problem-based Learning Approach to a Course in Data Intensive Systems. I: CloudCom 2014, IEEE 6th International Conference on Cloud Computing Technology and Science, Singapore, 15-18. December, 2014. IEEE. ISBN 978-1-4799-4093-6. s. 942-948.
  • Chakravorty, Antorweep; Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2013). Privacy Preserving Data Analytics for Smart Homes. I: Security and Privacy Workshops (SPW), 2013 IEEE. IEEE. ISBN 978-1-4799-0458-7. s. 23-27.
  • Chakravorty, Antorweep; Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2013). Safer@Home Analytics: a Big Data Analytical Solution for Smart Homes. I: 2013 IEEE International Conference on Cloud Computing Technology and Science. IEEE. ISBN 978-0-7695-5095-4. s. 705-710.
  • Hao, Ming; Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2013). Performance Analysis and Optimization of Map Only Left Outer Join. I: IEEE 27th International Conference on Advanced Information Networking and Applications Workshops. IEEE. ISBN 978-1-4673-6239-9. s. 625-631.
  • Rong, Chunming; Chakravorty, Antorweep; Wlodarczyk, Tomasz Wiktor (2013). A map reduce based K-anonymization solution for sharing of smart home data. I: Proceeding of Norwegian Information Security Conference / Norsk informasjonssikkerhetskonferanse - NISK 2013 - Stavanger, 18th-20th November 2013. Akademika forlag. ISBN 978-82-321-0366-9. s. 70-75.
  • TaheriMonfared, Aryan; Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2013). Real-Time Handling of Network Monitoring Data Using a Data-Intensive Framework. I: 2013 IEEE International Conference on Cloud Computing Technology and Science. IEEE. ISBN 978-0-7695-5095-4. s. 258-265.
  • Wlodarczyk, Tomasz Wiktor (2013). Towards Model of Accountability for Cloud Computing Services. IFIP WG 11.11 on Trust Management. ISSN 2079-2247.
  • Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2013). Evidence for Accountable Cloud Computing Services. IFIP WG 11.11 on Trust Management. ISSN 2079-2247.
  • Byambajav, Byambajargal; Wlodarczyk, Tomasz Wiktor; Rong, Chunming; LePendu, Paea; Shah, Nigam (2012). Performance of Left Outer Join on Hadoop with Right Side within Single Node Memory Size. I: 26th IEEE International Conference on Advanced Information Networking and Applications Workshops (WAINA 2012). IEEE. ISBN 978-0-7695-4652-0. s. 1075-1080.
  • Wlodarczyk, Tomasz Wiktor (2012). Overview of Time Series Storage and Processing in a Cloud Environment. I: CloudCom 2012 : Fourth IEEE International Conference on Cloud Computing Technology and Science, Proceedings, Taipei, Taiwan, December 3-6, 2012. IEEE conference proceedings. ISBN 978-1-4673-4509-5. s. 625-628.
  • Wlodarczyk, Tomasz Wiktor; Han, Yi; Yu, Xiao; Rong, Chunming (2012). Evaluation of some optimisation techniques for semantic query answering on shared–nothing architecture. International Journal of Space-Based and Situated Computing (IJSSC). ISSN 2044-4893. Volum 2. Hefte 1. s. 12-22. DOI: 10.1504/IJSSC.2012.045567.
  • Demchenko, Yuri; Ngo, Canh; de Laat, Cees; Rong, Chunming; Wlodarczyk, Tomasz Wiktor; Ziegler, Wolfgang (2011). Security Infrastructure for On-demand Provisioned Cloud Infrastructure Services. I: Cloud Computing Technology and Science (CloudCom), 2011 IEEE Third International Conference on. IEEE. ISBN 978-0-7695-4622-3. s. 255-263.
  • Wlodarczyk, Tomasz Wiktor; Han, Yi; Rong, Chunming (2011). Performance Analysis of Hadoop for Query Processing. I: Advanced Information Networking and Applications (WAINA), 2011 IEEE Workshops of International Conference on. IEEE. ISBN 978-1-61284-829-7. s. 507-513.
  • Wlodarczyk, Tomasz Wiktor; LePendu, Paea; Shah, Nigam; Rong, Chunming (2011). Position Paper: Scaling-out the NCBO Resource Index Processing and Maintenance. CEUR Workshop Proceedings. ISSN 1613-0073. Volum 736.
  • Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2011). An Initial Survey on Integration and Application of Cloud Computing to High Performance Computing. I: Cloud Computing Technology and Science (CloudCom), 2011 IEEE Third International Conference on. IEEE. ISBN 978-0-7695-4622-3. s. 612-617.
  • Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2011). Applying SWRL-F to Intercloud Constraints Analysis. I: High Performance Computing and Simulation (HPCS), 2011 International Conference on. IEEE. ISBN 978-1-61284-380-3. s. 391-396.
  • Wlodarczyk, Tomasz Wiktor; Rong, Chunming; O'Connor, Martin; Musen, Mark A. (2011). SWRL-F: a fuzzy logic extension of the semantic web rule language. I: Proceedings of WIMS '11, International Conference on Web Intelligence, Mining. ACM Press. ISBN 978-1-4503-0148-0.
  • Wlodarczyk, Tomasz Wiktor; Rong, Chunming; Wåge, Dagfinn (2011). Challenges in Healthcare and Welfare Intercloud. I: Digital Content, Multimedia Technology and its Applications (IDCTA), 2011 7th International Conference on. IEEE. ISBN 978-1-4577-0473-4.
  • Rong, Chunming; Jia, Baodong; Wlodarczyk, Tomasz Wiktor (2010). Performance Considerations of Data Acquisition in Hadoop System. I: 2nd IEEE International Conference on Cloud Computing Technology and Science - CloudCom 2010. IEEE. ISBN 978-0-7695-4302-4. s. 545-549.
  • Wlodarczyk, Tomasz Wiktor; OConnor, Martin; Rong, Chunming; Musen, Mark A. (2010). SWRL-F - A Fuzzy Logic Extension of the Semantic Web Rule Language. CEUR Workshop Proceedings. ISSN 1613-0073. Volum 654. s. 97-100.
  • Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2010). On the sustainability impacts of cloud-enabled cyber physical space. I: 2nd IEEE International Conference on Cloud Computing Technology and Science - CloudCom 2010. IEEE. ISBN 978-0-7695-4302-4. s. 597-602.
  • Wlodarczyk, Tomasz Wiktor; Rong, Chunming; Jia, Baodong; Nyulas, Csongor I; Musen, Mark A. (2010). DataStorm - An Ontology-Driven Framework for Cloud-Based Data Analytic Systems. I: 2010 IEEE 6th World Congress on Services : SERVICES 2010, 5-10 July 2010, Miami, Florida, USA. IEEE. ISBN 9780769541297. s. 123-127.
  • Wlodarczyk, Tomasz Wiktor; Rong, Chunming; Nyulas, Csongor I; Musen, Mark A. (2010). An efficient approach to intelligent real-time monitoring using ontologies and Hadoop. I: Deployment models: Towards eliminating security concerns from cloud computing. IEEE Press. ISBN 9781424468270. s. 209-215.
  • Esteves, Rui Máximo Esteves; Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2009). Bayesian Networks for Fault Detection under Lack of Historical Data. I: The International Symposium on Pervasive Systems, Algorithms, and Networks (I-SPAN 2009). IEEE. ISBN 978-0-7695-3908-9. s. 732-736.
  • Rong, Chunming; Thorsen, Kari Anne Haaland; Wlodarczyk, Tomasz Wiktor (2009). Industrial Cloud: Toward Inter-Enterprise Integration. I: Cloud Computing. Springer. ISBN 9783642106644. s. 460-471.
  • Selsaas, Lars Ropeid; Agrawal, Bikash; Chunming, Rong; Wiktorski, Tomasz (2015). Data Mining Workshop (ICDMW), 2015 IEEE International Conference on. IEEE Press. ISBN 978-1-4673-8492-6. 884 s.
  • Wlodarczyk, Tomasz Wiktor; Hsu, Robert (2012). CloudCom 2012 : Fourth IEEE International Conference on Cloud Computing Technology and Science, Proceedings, Taipei, Taiwan, December 3-6, 2012. IEEE conference proceedings. ISBN 978-1-4673-4509-5. 200 s.
  • Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2011). Handling Big Data: On Mutual Applications of Cloud Computing and Semantic Web Technologies. University of Stavanger. ISBN 978-82-7644-457-5. 118 s.
  • Agrawal, Bikash; Chakravorty, Antorweep; Wiktorski, Tomasz; Chunming, Rong (2016). Enrichment of Machine Learning based Activity Classification in Smart Homes using Ensemble Learning. 2016-12-06 - 2016-12-09.
  • Manieri, Andrea; Demchenko, Yuri; Wiktorski, Tomasz; Brewer, Steve; Riestra, Ruben; Hemmje, Matthias; Ferrari, Tiziana; Frey, Jeremy (2015). Data Science Professional uncovered: How the EDISON Project will contribute to a widely accepted profile for Data Scientists. CloudCom 2015; 2015-11-30 - 2015-12-03.
  • Wiktorski, Tomasz; Hacker, Thomas; Hansen, Raymond; Rodgers, Gregory (2015). Experience with Problem-based Learning in a Hybrid Classroom. 2015-11-30 - 2015-12-03.
  • Chakravorty, Antorweep; Rong, Chunming; Evensen, Pål; Wlodarczyk, Tomasz Wiktor (2014). A Distributed Gaussian-Means Clustering Algorithm for Forecasting Domestic Energy Usage. 2014-11-04.
  • Chakravorty, Antorweep; Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2014). A Scalable K-Anonymization Solution for Preserving Privacy in an Aging-in-Place Welfare Intercloud. 2014-03-11.
  • Wlodarczyk, Tomasz Wiktor (2014). Performance of Data Extraction from OpenTSDB. 2014-06-11 - 2014-06-13.
  • Wlodarczyk, Tomasz Wiktor (2014). Strategic Collaboration on Advanced Data Analysis and Communication between Purdue University and University of Stavanger. IEEE and ACM; 2014-11-16 - 2014-11-21.
  • Chakravorty, Antorweep; Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2013). A MapReduce based K-Anonymization Solution for Sharing of Smart Home Data. 2013-11-18 - 2013-11-20.
  • Chakravorty, Antorweep; Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2013). Privacy Preserving Data Analytics for Smart Homes. 2013-05-23.
  • Chakravorty, Antorweep; Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2013). Safer@Home Analytics: a Big Data Analytical Solution for Smart Homes. 2013-12-02 - 2013-12-05.
  • Wlodarczyk, Tomasz Wiktor (2013). Performance Analysis and Optimization of Map Only Left Outer Join.
  • Wlodarczyk, Tomasz Wiktor (2013). Storage and Analysis of Big Time Series. 2013-09-05 - 2013-09-06.
  • Demchenko, Yuri; Ngo, Canh; de Laat, Cees; Wlodarczyk, Tomasz Wiktor; Rong, Chunming; Ziegler, Wolfgang (2011). Security Infrastructure for On-demand Provisioned Cloud Infrastructure Services. IEEE, Cloud Computing Association; 2011-11-29 - 2011-12-01.
  • Rong, Chunming; Wlodarczyk, Tomasz Wiktor (2011). Security challenges in Clouds. NATO; 2011-09-12 - 2011-09-15.
  • Wlodarczyk, Tomasz Wiktor (2011). Handling Big Data: On Mutual Applications of Cloud Computing and Semantic Web Technologies. UiS; 2011-08-12.
  • Wlodarczyk, Tomasz Wiktor (2011). Privacy, Security and Trust in Distributed Systems. UiS; 2011-08-12.
  • Wlodarczyk, Tomasz Wiktor; Han, Yi; Rong, Chunming (2011). Performance Analysis of Hadoop for Query Processing. 2011-03-22 - 2011-03-25.
  • Wlodarczyk, Tomasz Wiktor; LePendu, Paea; Shah, Nigam; Rong, Chunming (2011). Scaling-out the NCBO Resource Index Processing and Maintenance. 2011-05-29 - 2011-05-30.
  • Wlodarczyk, Tomasz Wiktor; O'Connor, Martin; Musen, Mark A.; Rong, Chunming (2011). SWRL-F: a fuzzy logic extension of the semantic web rule language. 2011-05-25 - 2011-05-27.
  • Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2011). An Initial Survey on Integration and Application of Cloud Computing to High Performance Computing. IEEE, Cloud Computing Association; 2011-11-29 - 2011-12-01.
  • Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2011). Applying SWRL-F to Intercloud Constraints Analysis. 2011-07-04 - 2011-07-08.
  • Wlodarczyk, Tomasz Wiktor; Rong, Chunming (2011). Handling Big Data - Overview of 3 Projects. Stanford BMIR; 2011-10-31.
  • Wlodarczyk, Tomasz Wiktor; Wåge, Dagfinn; Rong, Chunming (2011). Challenges in healthcare and welfare intercloud. 2011-08-16 - 2011-08-18.