• A heuristic wear model for the contact strip and contact wire in pantograph – Catenary interaction for railway operations under 15 kV 16.67 Hz AC systems 

      Derosa, Stefano; Nåvik, Petter Juell; Collina, Andrea; Bucca, Giuseppe; Rønnquist, Anders (Peer reviewed; Journal article, 2020)
      The sliding contact between the pantograph and catenary allows the correct operation of electric trains. However, this contact induces wear on both the components involved in the process, namely the contact strip on the ...
    • Heuristics for dynamic and stochastic routing in industrial shipping 

      Tirado, Gregorio; Hvattum, Lars Magnus; Fagerholt, Kjetil; Cordeau, Jean-François (Journal article; Peer reviewed, 2012)
      Maritime transportation plays a central role in international trade, being responsible for the majority of long-distance shipments in terms of volume. One of the key aspects in the planning of maritime transportation systems ...
    • Heuristics for the robust vehicle routing problem with time windows 

      Braaten, Simen V.; Gjønnes, Ola; Hvattum, Lars Magnus; Tirado, Gregorio (Journal article; Peer reviewed, 2017)
      Uncertainty is frequently present in logistics and transportation, where vehicle routing problems play a crucial role. However, due to the complexity inherent in dealing with uncertainty, most research has been devoted to ...
    • Hexadirectional coding of visual space in human entorhinal cortex 

      Nau, Matthias; Schröder, Tobias Navarro; Bellmund, Jacob Lukas Sarid; Doeller, Christian Fritz Andreas (Journal article; Peer reviewed, 2018)
      Entorhinal grid cells map the local environment, but their involvement beyond spatial navigation remains elusive. We examined human functional MRI responses during a highly controlled visual tracking task and show that ...
    • Hexadirectional Modulation of High-Frequency Electrophysiological Activity in the Human Anterior Medial Temporal Lobe Maps Visual Space 

      Staudigl, Tobias; Leszczynski, Marcin; Jacobs, Joshua; Sheth, Sameer A; Schroeder, Charles E.; Jensen, Ole; Doeller, Christian Fritz Andreas (Journal article; Peer reviewed, 2018)
      Grid cells are one of the core building blocks of spatial navigation [1]. Single-cell recordings of grid cells in the rodent entorhinal cortex revealed hexagonal coding of the local environment during spatial navigation ...
    • HFM: A Hybrid Feature Model Based on Conditional Auto Encoders for Zero-Shot Learning 

      Al Machot, Fadi; Ullah, Mohib; Ullah, Habib (Peer reviewed; Journal article, 2022)
      Zero-Shot Learning (ZSL) is related to training machine learning models capable of classifying or predicting classes (labels) that are not involved in the training set (unseen classes). A well-known problem in Deep Learning ...
    • The hidden carbon impact of animal disease 

      Soliman, Tarek; Barnes, Andrew; Helgesen, Irmelin Slettemoen (Peer reviewed; Journal article, 2023)
      Livestock production is under scrutiny for its impact on greenhouse gas (GHG) emissions. Animal disease outbreaks will have economic effects on producers and the indirect cost of an animal disease outbreak is the result ...
    • Hidden correlation between absorption peaks in achiral carbon nanotubes and nanoribbons 

      Saroka, Vasil; Pushkarchuk, A.L.; Kuten, S.A.; Portnoi, M.E. (Journal article; Peer reviewed, 2018)
      In this paper we study the effect of absorption peak correlation in finite length carbonnanotubes and graphene nanoribbons. It is shown, in the orthogonalp-orbital tight-binding modelwith the nearest neighbor approximation, ...
    • Hidden interplay of current-induced spin and orbital torques in bulk Fe3GeTe2 

      Saunderson, Tom G.; Go, Dongwook; Blügel, Stefan; Klaui, Mathias Michael; Mokrousov, Yuriy (Peer reviewed; Journal article, 2022)
      Low crystal symmetry of magnetic van der Waals materials naturally promotes spin-orbital complexity unachievable in common magnetic materials used for spin-orbit torque switching. Here, using first-principles methods, we ...
    • Hidden treasures in "ancient" microarrays: Gene expression portrays biology and potential resistance pathways of major lung cancer subtypes and normal tissue 

      Kerkentzes, Konstantinos; Lagani, Vincenzo; Tsamardinos, Ioannis; Vyberg, Mogens; Røe, Oluf Dimitri (Journal article; Peer reviewed, 2014)
      Objective: Novel statistical methods and increasingly more accurate gene annotations can transform “old” biological data into a renewed source of knowledge with potential clinical relevance. Here, we provide an in silico ...
    • Hiding in plain sight - Euplokamis dunlapae (Ctenophora) in Norwegian waters 

      Majaneva, Sanna; Ringvold, Halldis; Johansen, Ellie; Østensen, Mari-Ann; Hosia, Aino Laila Johanna (Journal article; Peer reviewed, 2021)
      Cydippid ctenophores of genus Euplokamis have been rarely reported from the north-east Atlantic in the scientific literature. The conspicuous lack of previous records is likely attributable to methodological constraints ...
    • Hiding in plain sight: Directed surveillance as a bodily practice 

      Dahl, Johanne Yttri; Svanæs, Dag (Peer reviewed; Journal article, 2020)
      In this article, we empirically explore directed surveillance as bodily practice—material bodies observing other material bodies. Such low-tech police surveillance practice (Haggerty 2012) relies on a police officer’s body ...
    • Hiding in the background: community-level patterns in invertebrate herbivory across the tundra biome 

      Rheubottom, Sarah I.; Barrio, Isabel C.; Kozlov, Mikhail V.; Alatalo, Juha M.; Andersson, Tommi; Asmus, Ashley L.; Baubin, Capucine; Brearley, Francis Q.; Egelkraut, Dagmar; Ehrich, Dorothee; Gauthier, Gilles; Jonsdottir, Ingibjørg; Konieczka, Sophia; Lévesque, Esther; Olofsson, Johan; Prevéy, Janet S.; Slevan-Tremblay, Guillaume; Sokolov, Aleksandr; Sokolova, Natalia; Sokovnina, Svetlana; Speed, James David Mervyn; Suominen, Otso; Zverev, Vitali; Hik, David S. (Journal article; Peer reviewed, 2019)
      Invertebrate herbivores depend on external temperature for growth and metabolism. Continued warming in tundra ecosys-tems is proposed to result in increased invertebrate herbivory. However, empirical data about how current ...
    • Hiding in the background: community-level patterns in invertebrate herbivory across the tundra biome 

      Rheubottom, Sarah I.; Barrio, Isabel C.; Kozlov, Mikhail V.; Alatalo, Juha M.; Andersson, Tommi; Asmus, Ashley L.; Baubin, Capucine; Brearley, Francis Q.; Egelkraut, Dagmar; Ehrich, Dorothee; Gauthier, Gilles; Jonsdottir, Ingibjørg; Konieczka, Sophia; Lévesque, Esther; Olofsson, Johan; Prevéy, Janet S.; Slevan-Tremblay, Guillaume; Sokolov, Aleksandr; Sokolova, Natalia; Sokovnina, Svetlana; Speed, James David Mervyn; Suominen, Otso; Zverev, Vitali; Hik, David S. (Journal article; Peer reviewed, 2019)
      Invertebrate herbivores depend on external temperature for growth and metabolism. Continued warming in tundra ecosystems is proposed to result in increased invertebrate herbivory. However, empirical data about how current ...
    • Hierarchical Compliance-Control-Based Docking of a UVMS 

      Nysæther, Torje; Pettersen, Kristin Ytterstad; Gravdahl, Jan Tommy (Journal article, 2023)
      The viability of underwater vehicle-manipulator systems (UVMS) in underwater intervention missions is heavily reliant on safety. For safe operations, a UVMS should specifically be able to both avoid dangers and interact ...
    • Hierarchical core-shell structured CoNi2S4/Ni3S2@Ni(OH)2 nanosheet arrays as electrode for electrochemical energy storage 

      Chen, Fangshuai; Wang, Hui; Ji, Shan; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2019)
      Herein, hierarchical core-shell structured CoNi2S4/Ni3S2@Ni(OH)2 nanosheet arrays are synthesized through a facile method. The electrochemical results show that combining CoNi2S4/Ni3S2 nanosheet arrays (as core) with Ni(OH)2 ...
    • Hierarchical Decentralized State Estimation With Unknown Correlation for Multiple and Partially Overlapping State Vectors 

      Klemets, Jonatan Ralf Axel; Hovd, Morten (Chapter, 2018)
      A fusion method for hierarchical decentralized state estimation is investigated with unknown cross-correlation. The process is divided into several local estimators for different subsystems that can operate independently ...
    • The Hierarchical Discrete Pursuit Learning Automaton: A Novel Scheme With Fast Convergence and Epsilon-Optimality 

      Omslandseter, Rebekka Olsson; Jiao, Lei; Zhang, Xuan; Yazidi, Anis; Oommen, John (Peer reviewed; Journal article, 2022)
      Since the early 1960s, the paradigm of learning automata (LA) has experienced abundant interest. Arguably, it has also served as the foundation for the phenomenon and field of reinforcement learning (RL). Over the decades, ...
    • Hierarchical Identity-Based Encryption with Tight Multi-challenge Security 

      Langrehr, Roman; Pan, Jiaxin (Peer reviewed; Journal article, 2020)
      We construct the first hierarchical identity-based encryption (HIBE) scheme with tight adaptive security in the multi-challenge setting, where adversaries are allowed to ask for ciphertexts for multiple adaptively chosen ...
    • Hierarchical Modelling of Haplotype Effects on a Phylogeny 

      Selle, Maria Lie; Steinsland, Ingelin; Lindgren, Finn; Brajkovic, Vladimir; Cubric-Curik, Vlatka; Gorjanc, Gregor (Peer reviewed; Journal article, 2020)
      We introduce a hierarchical model to estimate haplotype effects based on phylogenetic relationships between haplotypes and their association with observed phenotypes. In a population there are many, but not all possible, ...