Transforming Concept D Schema into Relational Database Schema. - Tapio Niemi (EJC, 1998)

New approaches to Intensional Concept Theory. - Tapio Niemi (EJC, 1999)

Searching neural network structures with L systems and genetic algorithms. - Isto Aho; Harri Kemppainen; Kai Koskimies; Erkki Mäkinen; Tapio Niemi (Int. J. Comput. Math., 1999)

Functional Dependencies in Controlling Sparsity of OLAP Cubes. - Tapio Niemi; Jyrki Nummenmaa; Peter Thanisch (DaWaK, 2000)

A Query Method Based on Intensional Concept Definition. - Tapio Niemi; Jyrki Nummenmaa (EJC, 2000)

Logical Multidimensional Database Design for Ragged and Unbalanced Aggregation. - Tapio Niemi; Jyrki Nummenmaa; Peter Thanisch (DMDW, 2001)

Constructing OLAP Cubes Based on Queries. - Tapio Niemi; Jyrki Nummenmaa; Peter Thanisch (DOLAP, 2001)

Scalability of a Metropolitan Bidirectional Multifiber WDM-Ring Network. - Kalle Ylä-Jarkko; Matti Leppihalme; Simo Tammela; Tapio Niemi; Ari Tervonen (Photonic Netw. Commun., 2001)

Methods for Logical OLAP Design. - Tapio Niemi (2001)

Constructing an OLAP cube from distributed XML data. - Tapio Niemi; Marko Niinimäki; Jyrki Nummenmaa; Peter Thanisch (DOLAP, 2002)

Applying Grid Technologies to XML Based OLAP Cube Construction. - Tapio Niemi; Marko Niinimäki; Jyrki Nummenmaa; Peter Thanisch (DMDW, 2003)

Document Similarities in Web Based Collaborative Environments. - Michael Gindonis; Tapio Niemi; Marko Niinimäki (EJC, 2003)

Integrating Distributed Heterogenous Databases and Distributed Grid Computing. - Tapio Niemi; Marko Niinimäki; Vesa Sivunen (ICEIS (1), 2003)

Normalising OLAP cubes for controlling sparsity. - Tapio Niemi; Jyrki Nummenmaa; Peter Thanisch (Data Knowl. Eng., 2003)

Using Virtual Organizations Membership System with EDG's Grid Security and Database Access. - Marko Niinimäki; John White; Wim Som de Cerff; Joni Hahkala; Tapio Niemi; Mikko Pitkänen (DEXA Workshops, 2004)

A Framework for On-Demand Integration of Enterprise Data Sources. - Matti Heikkurinen; Tapio Niemi; Marko Niinimäki; Vesa Sivunen (ICEIS (1), 2004)

Gridblocks - Web Portal and Client for Distributed Computing. - Juho Karppinen; Marko Niinimäki; John White; Tapio Niemi (ICEIS (4), 2004)

Virtual Organizations and Database Access - A Case Study. - Mikko Pitkänen; Marko Niinimäki; John White; Tapio Niemi (ICEIS (1), 2004)

Description Logics, Data Modelling and Relational Dependencies. - Tapio Niemi; Marko Niinimäki; Santtu Toivonen (EJC, 2005)

Modelling, searching and utilising Grid resources and services. - Marko Niinimäki; Santtu Toivonen; Tapio Niemi (EJC, 2005)

Erasure Codes for Increasing the Availability of Grid Data Storage. - Mikko Pitkänen; Rim Moussa; D. Martin Swany; Tapio Niemi (AICT/ICIW, 2006)

Selective growth experiments on gallium arsenide (100) surfaces patterned using UV-nanoimprint lithography. - Antti Tukiainen; J. Viheriälä; Tapio Niemi; T. Rytkönen; J. Kontio; M. Pessa (Microelectron. J., 2006)

Ontologies with Semantic Web/Grid in Data Integration for OLAP. - Tapio Niemi; Santtu Toivonen; Marko Niinimäki; Jyrki Nummenmaa (Int. J. Semantic Web Inf. Syst., 2007)

How Grids are Perceived in Healthcare and the Public Service Sector. - Mikko Juhani Pitkänen; Xin Zhou 002; Miika Tuisku; Tapio Niemi; Ville Ryynänen; Henning Müller (HealthGrid, 2008)

Improving Energy-Efficiency of Grid Computing Clusters. - Tapio Niemi; Jukka Kommeri; Kalle Happonen; Jukka Klem; Ari-Pekka Hameri (GPC, 2009)

Server-Based Computing Solution Based on Open Source Software. - Tapio Niemi; Miika Tuisku; Ari-Pekka Hameri; Tamara Curtin (Inf. Syst. Manag., 2009)

An ETL Process for OLAP Using RDF/OWL Ontologies. - Marko Niinimäki; Tapio Niemi (J. Data Semant., 2009)

Ontologies and summarizability in OLAP. - Tapio Niemi; Marko Niinimäki (SAC, 2010)

Timely Report Production from WWW Data Sources. - Marko Niinimäki; Tapio Niemi; Stephen Martin; Jyrki Nummenmaa; Peter Thanisch (BIR Workshops, 2011)

Using the Entity-Attribute-Value Model for OLAP Cube Construction. - Peter Thanisch; Tapio Niemi; Marko Niinimäki; Jyrki Nummenmaa (BIR, 2011)

Memory-based scheduling of scientific computing clusters. - Tapio Niemi; Ari-Pekka Hameri (J. Supercomput., 2012)

Cell-at-a-Time Approach to Lazy Evaluation of Dimensional Aggregations. - Peter Thanisch; Jyrki Nummenmaa; Tapio Niemi; Marko Niinimäki (DaWaK, 2013)

Incompleteness in Conceptual Data Modelling. - Peter Thanisch; Tapio Niemi; Jyrki Nummenmaa; Zheying Zhang; Marko Niinimäki; Pertti Saariluoma (ICIST, 2013)

Games and energy: profiling power usage during play. - Jussi-Matti Salmela; Peter Thanisch; Olli Sotamaa; Tapio Niemi (MindTrek, 2014)

Techniques and tools for measuring energy efficiency of scientific software applications. - David Abdurachmanov; Peter Elmer; Giulio Eulisse; Robert Knight; Tapio Niemi; Jukka K. Nurminen; Filip Nyback; Goncalo Pestana; Zhonghong Ou; Kashif Nizam Khan (CoRR, 2014)

Detecting summarizability in OLAP. - Tapio Niemi; Marko Niinimäki; Peter Thanisch; Jyrki Nummenmaa (Data Knowl. Eng., 2014)

Energy Efficiency of a Web and Database Server System: Configuration and Bursting. - Jukka Kommeri; Felipe Abaunza; Marko Niinimäki; Peter Thanisch; Tapio Niemi (Int. J. Green Comput., 2014)

Energy Profiling Using IgProf. - Kashif Nizam Khan; Filip Nyback; Zhonghong Ou; Jukka K. Nurminen; Tapio Niemi; Giulio Eulisse; Peter Elmer; David Abdurachmanov (CCGRID, 2015)

Computing Heaters - An Energy-Efficient Way to Provide Computing Services. - Jukka K. Nurminen; Johan Strandman; Tapio Niemi (CCGRID, 2015)

Energy efficiency of large scale graph processing platforms. - Kashif Nizam Khan; Mohammad Ashraful Hoque; Tapio Niemi; Zhonghong Ou; Jukka K. Nurminen (UbiComp Adjunct, 2016)

How much power does your server consume? Estimating wall socket power using RAPL measurements. - Kashif Nizam Khan; Zhonghong Ou; Mikael Hirki; Jukka K. Nurminen; Tapio Niemi (Comput. Sci. Res. Dev., 2016)

A practical evaluation of a network expansion mechanism in an openstack cloud federation. - Maël Kimmerlin; Max Plauth; Seppo Heikkilä; Tapio Niemi (CloudNet, 2017)

Energy efficiency of dynamic management of virtual cluster with heterogeneous hardware. - Jukka Kommeri; Tapio Niemi; Jukka K. Nurminen (J. Supercomput., 2017)

Towards Green Big Data at CERN. - Tapio Niemi; Jukka K. Nurminen; Juha-Matti Liukkonen; Ari-Pekka Hameri (Future Gener. Comput. Syst., 2018)

RAPL in Action: Experiences in Using RAPL for Power Measurements. - Kashif Nizam Khan; Mikael Hirki; Tapio Niemi; Jukka K. Nurminen; Zhonghong Ou (ACM Trans. Model. Perform. Evaluation Comput. Syst., 2018)

Detecting measurement issues in SQL arithmetic expressions and aggregations. - Peter Thanisch; Tapio Niemi; Jyrki Nummenmaa; Marko Niinimäki (Data Knowl. Eng., 2019)

Analyzing the power consumption behavior of a large scale data center. - Kashif Nizam Khan; Sanja Scepanovic; Tapio Niemi; Jukka K. Nurminen; Sebastian von Alfthan; Olli-Pekka Lehto (SICS Softw.-Intensive Cyber Phys. Syst., 2019)

Effect of light activation on chemical gas sensors based on aligned nanowires. - Camilla Baratto; Viktoria Golovanova; Guido Faglia; Thi Thanh Le Dang; Hanna Hakola; Tapio Niemi; Nikolai Tkachenko; Bohgan Nazarchurk; Vyacheslav Golovanov (IEEE SENSORS, 2020)

Technical Note: Mean Lead-Time as a Real-Time Key Performance Indicator. - Tapio Niemi; Olivier Gallay; Ari-Pekka Hameri (Decis. Sci., 2021)

Automatic (near-) duplicate content document detection in a cancer registry. - Tapio Niemi; Jean Pierre Ghobril; Gautier Defossez; Simon Germann; Eloïse Martin; Jean-Luc Bulliard (Int. J. Medical Informatics, 2025)