Tapio Niemi
Tapio Niemi
Unisanté, Lausanne, Switzerland
Verified email at unisante.ch
Cited by
Cited by
Constructing an OLAP cube from distributed XML data
T Niemi, M Niinimäki, J Nummenmaa, P Thanisch
Proceedings of the 5th ACM international workshop on Data Warehousing and …, 2002
Constructing OLAP cubes based on queries
T Niemi, J Nummenmaa, P Thanisch
Proceedings of the 4th ACM international workshop on Data warehousing and …, 2001
Rapl in action: Experiences in using rapl for power measurements
KN Khan, M Hirki, T Niemi, JK Nurminen, Z Ou
ACM Transactions on Modeling and Performance Evaluation of Computing Systems …, 2018
Logical multidimensional database design for ragged and unbalanced aggregation hierarchies
T Niemi, J Nummenmaa, P Thanisch
Proceedings of the International Workshop on Design and Management of Data …, 2001
An ETL process for OLAP using RDF/OWL ontologies
M Niinimäki, T Niemi
Journal on data semantics XIII, 97-119, 2009
Ontologies with semantic web/grid in data integration for olap
T Niemi, S Toivonen, M Niinimaki, J Nummenmaa
International Journal on Semantic Web and Information Systems (IJSWIS) 3 (4 …, 2007
A peer-to-peer platform for decentralized logistics
O Gallay, K Korpela, N Tapio, JK Nurminen
Proceedings of the Hamburg International Conference of Logistics (HICL), 19-34, 2017
Erasure codes for increasing the availability of grid data storage
M Pitkanen, R Moussa, M Swany, T Niemi
Advanced Int'l Conference on Telecommunications and Int'l Conference on …, 2006
Epidemiology, risk factors and clinical course of SARS-CoV-2 infected patients in a Swiss university hospital: an observational retrospective study
J Regina, M Papadimitriou-Olivgeris, R Burger, MA Le Pogam, T Niemi, ...
Plos one 15 (11), e0240781, 2020
Applying grid technologies to XML based OLAP cube construction
TP Niemi, J Nummenmaa, P Thanisch, M Niinimäki
Normalising OLAP cubes for controlling sparsity
T Niemi, J Nummenmaa, P Thanisch
Data & Knowledge Engineering 46 (3), 317-343, 2003
Ontologies and summarizability in OLAP
T Niemi, M Niinimäki
Proceedings of the 2010 ACM Symposium on Applied Computing, 1349-1353, 2010
Techniques and tools for measuring energy efficiency of scientific software applications
D Abdurachmanov, P Elmer, G Eulisse, R Knight, T Niemi, JK Nurminen, ...
Journal of Physics: Conference Series 608 (1), 012032, 2015
Detecting summarizability in OLAP
T Niemi, M Niinimäki, P Thanisch, J Nummenmaa
Data & Knowledge Engineering 89, 1-20, 2014
Describing data sources semantically for facilitating efficient creation of OLAP cubes
S Toivonen, T Niemi
3rd International Semantic Web Conference (ISWC2004), 2004
Weather and supply chain performance in sport goods distribution
P Appelqvist, F Babongo, V Chavez-Demoulin, AP Hameri, T Niemi
International Journal of Retail & Distribution Management, 2016
Functional dependencies in controlling sparsity of OLAP cubes
T Niemi, J Nummenmaa, P Thanisch
International Conference on Data Warehousing and Knowledge Discovery, 199-209, 2000
Improving energy-efficiency of grid computing clusters
T Niemi, J Kommeri, K Happonen, J Klem, AP Hameri
International Conference on Grid and Pervasive Computing, 110-118, 2009
How much power does your server consume? Estimating wall socket power using RAPL measurements
KN Khan, Z Ou, M Hirki, JK Nurminen, T Niemi
Computer Science-Research and Development 31 (4), 207-214, 2016
Server-based computing solution based on open source software
T Niemi, M Tuisku, A Hameri, T Curtin
Information Systems Management 26 (1), 77-86, 2009
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