Tapio Niemi

Publication Activity (10 Years)

Years Active: 1998-2021
Publications (10 Years): 12

Top Topics

Energy Management

Energy Efficiency

Database Server

Lazy Evaluation

Top Venues

Data Knowl. Eng.

Future Gener. Comput. Syst.

Publications

Tapio Niemi, Olivier Gallay, Ari-Pekka Hameri
Technical Note: Mean Lead-Time as a Real-Time Key Performance Indicator. Decis. Sci. 52 (5) (2021)
Camilla Baratto, Viktoria Golovanova, Guido Faglia, Thi Thanh Le Dang, Hanna Hakola, Tapio Niemi, Nikolai Tkachenko, Bohgan Nazarchurk, Vyacheslav Golovanov
Effect of light activation on chemical gas sensors based on aligned nanowires. IEEE SENSORS (2020)
Peter Thanisch, Tapio Niemi, Jyrki Nummenmaa, Marko Niinimäki
Detecting measurement issues in SQL arithmetic expressions and aggregations. Data Knowl. Eng. 122 (2019)
Kashif Nizam Khan, Sanja Scepanovic, Tapio Niemi, Jukka K. Nurminen, Sebastian von Alfthan, Olli-Pekka Lehto
Analyzing the power consumption behavior of a large scale data center. SICS Softw.-Intensive Cyber Phys. Syst. 34 (1) (2019)
Kashif Nizam Khan, Mikael Hirki, Tapio Niemi, Jukka K. Nurminen, Zhonghong Ou
RAPL in Action: Experiences in Using RAPL for Power Measurements. ACM Trans. Model. Perform. Evaluation Comput. Syst. 3 (2) (2018)
Tapio Niemi, Jukka K. Nurminen, Juha-Matti Liukkonen, Ari-Pekka Hameri
Towards Green Big Data at CERN. Future Gener. Comput. Syst. 81 (2018)
Maël Kimmerlin, Max Plauth, Seppo Heikkilä, Tapio Niemi
A practical evaluation of a network expansion mechanism in an openstack cloud federation. CloudNet (2017)
Jukka Kommeri, Tapio Niemi, Jukka K. Nurminen
Energy efficiency of dynamic management of virtual cluster with heterogeneous hardware. J. Supercomput. 73 (5) (2017)
Kashif Nizam Khan, Mohammad Ashraful Hoque, Tapio Niemi, Zhonghong Ou, Jukka K. Nurminen
Energy efficiency of large scale graph processing platforms. UbiComp Adjunct (2016)
Kashif Nizam Khan, Zhonghong Ou, Mikael Hirki, Jukka K. Nurminen, Tapio Niemi
How much power does your server consume? Estimating wall socket power using RAPL measurements. Comput. Sci. Res. Dev. 31 (4) (2016)
Kashif Nizam Khan, Filip Nyback, Zhonghong Ou, Jukka K. Nurminen, Tapio Niemi, Giulio Eulisse, Peter Elmer, David Abdurachmanov
Energy Profiling Using IgProf. CCGRID (2015)
Jukka K. Nurminen, Johan Strandman, Tapio Niemi
Computing Heaters - An Energy-Efficient Way to Provide Computing Services. CCGRID (2015)
Tapio Niemi, Marko Niinimäki, Peter Thanisch, Jyrki Nummenmaa
Detecting summarizability in OLAP. Data Knowl. Eng. 89 (2014)
Jukka Kommeri, Felipe Abaunza, Marko Niinimäki, Peter Thanisch, Tapio Niemi
Energy Efficiency of a Web and Database Server System: Configuration and Bursting. Int. J. Green Comput. 5 (2) (2014)
Jussi-Matti Salmela, Peter Thanisch, Olli Sotamaa, Tapio Niemi
Games and energy: profiling power usage during play. MindTrek (2014)
David Abdurachmanov, Peter Elmer, Giulio Eulisse, Robert Knight, Tapio Niemi, Jukka K. Nurminen, Filip Nyback, Goncalo Pestana, Zhonghong Ou, Kashif Nizam Khan
Techniques and tools for measuring energy efficiency of scientific software applications. CoRR (2014)
Peter Thanisch, Jyrki Nummenmaa, Tapio Niemi, Marko Niinimäki
Cell-at-a-Time Approach to Lazy Evaluation of Dimensional Aggregations. DaWaK (2013)
Peter Thanisch, Tapio Niemi, Jyrki Nummenmaa, Zheying Zhang, Marko Niinimäki, Pertti Saariluoma
Incompleteness in Conceptual Data Modelling. ICIST (2013)
Tapio Niemi, Ari-Pekka Hameri
Memory-based scheduling of scientific computing clusters. J. Supercomput. 61 (3) (2012)
Peter Thanisch, Tapio Niemi, Marko Niinimäki, Jyrki Nummenmaa
Using the Entity-Attribute-Value Model for OLAP Cube Construction. BIR (2011)
Marko Niinimäki, Tapio Niemi, Stephen Martin, Jyrki Nummenmaa, Peter Thanisch
Timely Report Production from WWW Data Sources. BIR Workshops (2011)
Tapio Niemi, Marko Niinimäki
Ontologies and summarizability in OLAP. SAC (2010)
Tapio Niemi, Jukka Kommeri, Kalle Happonen, Jukka Klem, Ari-Pekka Hameri
Improving Energy-Efficiency of Grid Computing Clusters. GPC (2009)
Marko Niinimäki, Tapio Niemi
An ETL Process for OLAP Using RDF/OWL Ontologies. J. Data Semant. 13 (2009)
Tapio Niemi, Miika Tuisku, Ari-Pekka Hameri, Tamara Curtin
Server-Based Computing Solution Based on Open Source Software. Inf. Syst. Manag. 26 (1) (2009)
Mikko Juhani Pitkänen, Xin Zhou, Miika Tuisku, Tapio Niemi, Ville Ryynänen, Henning Müller
How Grids are Perceived in Healthcare and the Public Service Sector. HealthGrid (2008)
Tapio Niemi, Santtu Toivonen, Marko Niinimäki, Jyrki Nummenmaa
Ontologies with Semantic Web/Grid in Data Integration for OLAP. Int. J. Semantic Web Inf. Syst. 3 (4) (2007)
Mikko Pitkänen, Rim Moussa, D. Martin Swany, Tapio Niemi
Erasure Codes for Increasing the Availability of Grid Data Storage. AICT/ICIW (2006)
Antti Tukiainen, J. Viheriälä, Tapio Niemi, T. Rytkönen, J. Kontio, M. Pessa
Selective growth experiments on gallium arsenide (100) surfaces patterned using UV-nanoimprint lithography. Microelectron. J. 37 (12) (2006)
Marko Niinimäki, Santtu Toivonen, Tapio Niemi
Modelling, searching and utilising Grid resources and services. EJC (2005)
Tapio Niemi, Marko Niinimäki, Santtu Toivonen
Description Logics, Data Modelling and Relational Dependencies. EJC (2005)
Matti Heikkurinen, Tapio Niemi, Marko Niinimäki, Vesa Sivunen
A Framework for On-Demand Integration of Enterprise Data Sources. ICEIS (1) (2004)
Marko Niinimäki, John White, Wim Som de Cerff, Joni Hahkala, Tapio Niemi, Mikko Pitkänen
Using Virtual Organizations Membership System with EDG's Grid Security and Database Access. DEXA Workshops (2004)
Juho Karppinen, Marko Niinimäki, John White, Tapio Niemi
Gridblocks - Web Portal and Client for Distributed Computing. ICEIS (4) (2004)
Mikko Pitkänen, Marko Niinimäki, John White, Tapio Niemi
Virtual Organizations and Database Access - A Case Study. ICEIS (1) (2004)
Tapio Niemi, Marko Niinimäki, Vesa Sivunen
Integrating Distributed Heterogenous Databases and Distributed Grid Computing. ICEIS (1) (2003)
Michael Gindonis, Tapio Niemi, Marko Niinimäki
Document Similarities in Web Based Collaborative Environments. EJC (2003)
Tapio Niemi, Jyrki Nummenmaa, Peter Thanisch
Normalising OLAP cubes for controlling sparsity. Data Knowl. Eng. 46 (3) (2003)
Tapio Niemi, Marko Niinimäki, Jyrki Nummenmaa, Peter Thanisch
Applying Grid Technologies to XML Based OLAP Cube Construction. DMDW (2003)
Tapio Niemi, Marko Niinimäki, Jyrki Nummenmaa, Peter Thanisch
Constructing an OLAP cube from distributed XML data. DOLAP (2002)
Kalle Ylä-Jarkko, Matti Leppihalme, Simo Tammela, Tapio Niemi, Ari Tervonen
Scalability of a Metropolitan Bidirectional Multifiber WDM-Ring Network. Photonic Netw. Commun. 3 (4) (2001)
Tapio Niemi, Jyrki Nummenmaa, Peter Thanisch
Logical Multidimensional Database Design for Ragged and Unbalanced Aggregation. DMDW (2001)
Tapio Niemi, Jyrki Nummenmaa, Peter Thanisch
Constructing OLAP Cubes Based on Queries. DOLAP (2001)
Tapio Niemi, Jyrki Nummenmaa, Peter Thanisch
Functional Dependencies in Controlling Sparsity of OLAP Cubes. DaWaK (2000)
Tapio Niemi, Jyrki Nummenmaa
A Query Method Based on Intensional Concept Definition. EJC (2000)
Tapio Niemi
New approaches to Intensional Concept Theory. EJC (1999)
Isto Aho, Harri Kemppainen, Kai Koskimies, Erkki Mäkinen, Tapio Niemi
Searching neural network structures with L systems and genetic algorithms. Int. J. Comput. Math. 73 (1) (1999)
Tapio Niemi
Transforming Concept D Schema into Relational Database Schema. EJC (1998)