Now showing items 242-261 of 1173

    • Data analytics : an exploration of quality control to determine students' academic performance 

      Balogun, Oluwafemi Samson; Olaleye, Sunday Adewale; Agjei, Richard Osei (International Business Information Management Association (IBIMA), 2020)
      Quality control and improvement is a crucial process development of any institution that craves growth. One part of the SPC approach is to aid the constant improvement of performance by further reducing ...
      Artikkelit ja abstraktit tieteellisissä konferenssijulkaisuissa

    • Data analytics approach to create waste generation profiles for waste management and collection 

      Niska, Harri; Serkkola, Ari (Elsevier BV, 2018)
      Extensive monitoring data on waste generation is increasingly collected in order to implement cost-efficient and sustainable waste management operations. In addition, geospatial data from different registries of the society ...
      Tieteelliset aikakauslehtiartikkelit

    • Data analytics on performance of computing students 

      Balogun, Oluwafemi Samson; Oyelere, Solomon Sunday; Atsa'am, Donald Douglas (ACM Press, 2019)
      This study was conducted to determine the relationship between computing students' initial and final academic performance to support decision making in higher education institutions. The data used in this research contains ...
      Artikkelit ja abstraktit tieteellisissä konferenssijulkaisuissa

    • The database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project 

      Hudson Lawrence N; Newbold Tim; Contu Sara; Hill Samantha LL; Lysenko Igor; De Palma Adriana; Phillips Helen RP; Alhusseini Tamera I; Bedford Felicity E; Bennet Dominic J; Booth Hollie; Burton Victoria J; Chng Charlotte WT; Choimes Argyrios; Correia David LP; Day Julie; Echeverría-Londoño Susy; Emerson Susan R; Gao Di; Garon Morgan et al. (Wiley-Blackwell, 2017)
      The PREDICTS project—Projecting Responses of Ecological Diversity In Changing Terrestrial Systems (—has collated from published studies a large, reasonably representative database of comparable samples ...

    • Decline of genetic diversity in ancient domestic stallions in Europe 

      Wutke, S; Sandoval-Castellanos, E; Benecke, N; Döhle, HJ; Friederich, S; Gonzalez, J; Hofreiter, M; Lõugas, L; Magnell, O; Malaspinas, AS; Morales-Muñiz, A; Orlando, L; Reissmann, M; Trinks, A; Ludwig, A (American Association for the Advancement of Science (AAAS), 2018)
      Present-day domestic horses are immensely diverse in their maternally inherited mitochondrial DNA, yet they show very little variation on their paternally inherited Y chromosome. Although it has recently been shown that Y ...
      Tieteelliset aikakauslehtiartikkelit

    • Decompositions of Nakano norms by ODE techniques 

      Talponen, Jarno (Finnish Academy of Science and Letters, 2018)
      We study decompositions of Nakano type varying-exponent Lebesgue norms and spaces. These function spaces are represented here in a natural way as tractable varying-exponent ℓp sums of projection bands. The main results ...
      Tieteelliset aikakauslehtiartikkelit

    • Decrease of Population Divergence in Eurasian Perch (Perca fluviatilis) in Browning Waters: Role of Fatty Acids and Foraging Efficiency 

      Scharnweber Kristin; Strandberg Ursula; Karlsson Konrad; Eklöv Peter (Public Library of Science (PLoS), 2016)
      Due to altered biogeochemical processes related to climate change, highly colored dissolved organic carbon (DOC) from terrestrial sources will lead to a water “brownification” in many freshwater systems of the Northern ...
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    • Decreased carbon accumulation feedback driven by climate-induced drying of two southern boreal bogs over recent centuries 

      Zhang, H; Väliranta, M; Piilo, S; Amesbury, MJ; Aquino-López, MA; Roland, TP; Salminen-Paatero, S; Paatero, J; Lohila, A; Tuittila, ES (Wiley, 2020)
      Northern boreal peatlands are important ecosystems in modulating global biogeochemical cycles, yet their biological communities and related carbon dynamics are highly sensitive to changes in climate. Despite this, the ...
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    • Deep convolutional neural networks for estimating porous material parameters with ultrasound tomography 

      Lähivaara, Timo; Kärkkäinen, Leo; Huttunen, Janne MJ; Hesthaven, Jan S (Acoustical Society of America (ASA), 2018)
      The feasibility of data based machine learning applied to ultrasound tomography is studied to estimate water-saturated porous material parameters. In this work, the data to train the neural networks is simulated by solving ...
      Tieteelliset aikakauslehtiartikkelit

    • Deep generative variational autoencoding for replay spoof detection in automatic speaker verification 

      Chettri, Bhusan; Kinnunen, Tomi; Benetos, Emmanouil (Elsevier BV, 2020)
      Automatic speaker verification (ASV) systems are highly vulnerable to presentation attacks, also called spoofing attacks. Replay is among the simplest attacks to mount — yet difficult to detect reliably. The generalization ...
      Tieteelliset aikakauslehtiartikkelit

    • Deep learning enables sleep staging from photoplethysmogram for patients with suspected sleep apnea 

      Korkalainen, H; Aakko, J; Duce, B; Kainulainen, S; Leino, A; Nikkonen, S; Afara, I O; Myllymaa, S; Töyräs, J; Leppänen, T (Oxford University Press (OUP), 2020)
      Study Objectives Accurate identification of sleep stages is essential in the diagnosis of sleep disorders (e.g. obstructive sleep apnea [OSA]) but relies on labor-intensive electroencephalogram (EEG)-based manual scoring. ...
      Tieteelliset aikakauslehtiartikkelit

    • Deep Learning for Dental Hyperspectral Image Analysis 

      Boiko, Oleksandr; Hyttinen, Joni; Fält, Pauli; Jäsberg, Heli; Mirhashemi, Arash; Kullaa, Arja; Hauta-Kasari, Markku (Society for Imaging Science & Technology, 2019)
      The aim of this work is automatic and efficient detection of medically-relevant features from oral and dental hyperspectral images by applying up-to-date deep learning convolutional neural network techniques. This will ...
      Artikkelit ja abstraktit tieteellisissä konferenssijulkaisuissa

    • Deficient Values of Solutions of Linear Differential Equations 

      Gundersen, Gary G; Heittokangas, Janne; Wen, Zhi-Tao (Springer Science and Business Media LLC, 2020)
      Differential equations of the form f′′+A(z)f′+B(z)f=0 (*) are considered, where A(z) and B(z)≢0 are entire functions. The Lindelöf function is used to show that for any ρ∈(1/2,∞), there exists an equation of the form (*) ...
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    • Degradation potentials of dissolved organic carbon (DOC) from thawed permafrost peat 

      Selvam BP; Lapierre JF; Guillemette F; Voigt C; Lamprecht RE; Biasi C; Christensen TR; Martikainen PJ; Berggren M (Springer Nature, 2017)
      Global warming can substantially affect the export of dissolved organic carbon (DOC) from peat-permafrost to aquatic systems. The direct degradability of such peat-derived DOC, however, is poorly constrained because previous ...

    • Dendritic Carbene Metal Carbazole Complexes as Photoemitters for Fully Solution-Processed OLEDs 

      Romanov, Alexander S; Yang, Le; Jones, Saul T E; Di, Dawei; Morley, Olivia J; Morley Bluebell, H Morley; Reponen, Antti P M; Linnolahti, Mikko; Credgington, Dan; Bochmann, Manfred (American Chemical Society (ACS), 2019)
      Light-emitting carbene-metal amide complexes bearing first- and second-generation carbazole dendron ligands are reported, (AdL)M(Gn), (M = Cu and Au; Gn carbazole dendrimer generation, where n = 1 and 2; AdL = adamantyl- ...
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    • Deposition of respiratory virus pathogens on frequently touched surfaces at airports 

      Ikonen, N; Savolainen-Kopra, C; Enstone, JE; Kulmala, I; Pasanen, P; Salmela, A; Salo, S; Nguyen-Van-Tam, JS; Ruutu, P (Springer Nature America, Inc, 2018)
      Background International and national travelling has made the rapid spread of infectious diseases possible. Little information is available on the role of major traffic hubs, such as airports, in the transmission of ...
      Tieteelliset aikakauslehtiartikkelit

    • Derivatives of Inner Functions in Bergman Spaces Induced by Doubling Weights 

      Pérez-González Fernando; Rättyä Jouni; Reijonen Atte (Finnish Academy of Science and Letters, 2017)

    • Desert plant bacteria reveal host influence and beneficial plant growth properties 

      Eida, Abdul Aziz; Ziegler, Maren; Lafi, Feras F; Michell, Craig T; Voolstra, Christian R; Hirt, Heribert; Saad, Maged M (Public Library of Science (PLoS), 2018)
      Deserts, such as those found in Saudi Arabia, are one of the most hostile places for plant growth. However, desert plants are able to impact their surrounding microbial community and select beneficial microbes that promote ...
      Tieteelliset aikakauslehtiartikkelit

    • Design of 2D-nanocrystals in water: Preparation, structure and functionalization 

      Aslanov, L; Zakharov, V; Paseshnichenko, K; Yatsenko, A; Orekhov, A; Tafeenko, V; Chernyshev, V (Walter de Gruyter GmbH, 2018)
      A new method for synthesis of 2D nanocrystals in water was proposed. The use of perfluorothiophenolate ions as surfactant allowed us to produce 2D single-crystal nanosheets of CaS at pH=9 and flat nanocrystals of PbS at ...
      Artikkelit ja abstraktit tieteellisissä konferenssijulkaisuissa

    • Design, development, and evaluation of a mobile learning application for computing education 

      Oyelere SS; Suhonen J; Wajiga GM; Sutinen E (Springer Nature, 2017)
      The study focused on the application of the design science research approach in the course of developing a mobile learning application, MobileEdu, for computing education in the Nigerian higher education context. MobileEdu ...