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Faculty of Information and Communication Technology

Rafał Kern, PhD

E-mail: rafal.kern@pwr.edu.pl

Unit: Faculty of Information and Communication Technology (N) » Department of Applied Informatics

Wybrzeże Wyspiańskiego 27, 50-370 Wrocław
building A-1, room 203 G
phone +48 71 320 3258

Office hours

  • Monday 16.45-18.45
  • Thursday 19.00-21.00

Research fields

  • databases; data warehouses; federations; data integration.

Recent papers

2013

  • Kern R.J., Stolarczyk T., Nguyen N.T., A formal framework for query decomposition and knowledge integration in data warehouse federations. Expert Systems with Applications. 2013, vol. 40, nr 7, s. 1592-2606.

Papers in DONA database


Selected publications
1
Referat konferencyjny
2021
Ly Tu Nga, Rafał J Kern, Khanindra Pathak, Krzysztof Wołk, Erik Burnell,
Contextual soft dropout method in training of artificial neural networks. W: Intelligent Information and Database Systems : 13th Asian Conference, ACIIDS 2021, Phuket, Thailand, April 7-10, 2021 : proceedings / eds. Ngoc Thanh Nguyen [i in.]. Cham : Springer, cop. 2021. s. 692-703. ISBN: 978-3-030-73279-0; 978-3-030-73280-6
Zasoby:DOISFX
2
Referat konferencyjny
2020
Erik Burnell, Krzysztof Wołk, Krzysztof Waliczek, Rafał J Kern,
The impact of constant field of attention on properties of contextual neural networks. W: Intelligent Information and Database Systems : 12th Asian Conference, ACIIDS 2020, Phuket, Thailand, March 23-26, 2020 : proceedings. Pt. 2 / eds. Ngoc Thanh Nguyen [i in.]. Cham : Springer, cop. 2020. s. 364-375. ISBN: 978-3-030-42057-4; 978-3-030-42058-1
Zasoby:DOISFX
3
Artykuł
2020
Rafał J Kern, Adrianna Kozierkiewicz, Marcin M Pietranik,
The data richness estimation framework for federated data warehouse integration. Information Sciences. 2020, vol. 513, s. 397-411. ISSN: 0020-0255; 1872-6291
Zasoby:DOIURLSFXImpact FactorLista FiladelfijskaLista MNiSW
4
Referat konferencyjny
2018
Rafał J Kern,
The impact of data dispersion on the accuracy of the data warehouse federation's response. W: Computational collective intelligence : 10th International Conference, ICCCI 2018, Bristol, UK, September 5-7, 2018 : proceedings. Pt. 1 / eds. Ngoc Thanh Nguyen [i in.]. Cham : Springer, cop. 2018. s. 75-84. ISBN: 978-3-319-98442-1
Zasoby:DOIURLSFXWeb of Science CC
5
Referat konferencyjny
2016
Rafał J Kern,
Data warehouses federation as a single data warehouse. W: Computational Collective Intelligence : 8th International Conference, ICCCI 2016, Halkidiki, Greece, September 28-30, 2016 : proceedings. Pt. 1 / Ngoc Thanh Nguyen, Yannis Manolopoulos, Lazaros Iliadis, Bogdan Trawiński (Eds.). [Cham] : Springer, cop. 2016. s. 356-366. ISBN: 978-3-319-45242-5
Zasoby:DOISFXWeb of Science CC
6
Referat konferencyjny
2015
Rafał J Kern, Grzegorz Dobrowolski, Ngoc Thanh Nguyen,
A method for response integration in federated data warehouses. W: New trends in computational collective intelligence / David Camacho, Sang-Wook Kim, Bogdan Trawiński (eds.). Cham [i in.] : Springer, cop. 2015. s. 63-73. ISBN: 978-3-319-10773-8
Zasoby:DOISFXWeb of Science CC
7
Artykuł
2013
Rafał J Kern, Tomasz Stolarczyk, Ngoc Thanh Nguyen,
A formal framework for query decomposition and knowledge integration in data warehouse federations. Expert Systems with Applications. 2013, vol. 40, nr 7, s. 2592-2606. ISSN: 0957-4174
Zasoby:DOISFXImpact FactorLista FiladelfijskaLista MNiSW
8
Referat konferencyjny
2011
Rafał J Kern, Krzysztof Ryk, Ngoc Thanh Nguyen,
A framework for building logical schema and query decomposition in data warehouse federations. W: Computational collective intelligence : technologies and applications : Third International Conference, ICCCI 2011, Gdynia, Poland, September 21-23, 2011 : proceedings. Pt. 1 / Piotr Jędrzejowicz, Ngoc Thanh Nguyen, Kiem Hoang (eds.). Berlin ; Heidelberg : Springer, cop. 2011. s. 612-622. ISBN: 978-3-642-23934-2
Zasoby:DOISFXLista MNiSWWeb of Science CC
9
Rozdział w książce
2010
Rafał J Kern, Marcin M Pietranik,
Semantic data integration in federated data warehouses. W: Information systems architecture and technology : new developments in Web-Age Information Systems / eds. Leszek Borzemski [i in.]. Wrocław : Oficyna Wydawnicza Politechniki Wrocławskiej, 2010. s. 199-209. ISBN: 978-83-7493-541-8
10
Rozdział w książce
2009
Rafał J Kern, Marcin M Pietranik,
Ontology based model of information flow path in online social network. W: Information systems architecture and technology : service oriented distributed systems : concepts and infrastructure / eds. Adam Grzech [i in.]. Wrocław : Oficyna Wydawnicza Politechniki Wrocławskiej, 2009. s. 27-36. ISBN: 978-83-7493-477-0

All publications

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