Browsing NTNU Open by Author "Liu, Peng"
Now showing items 1-20 of 34
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An Experimental Investigation of a Quasi-Counter-Flow Air-to-Air Membrane Energy Exchanger
Evensen, Maren (Master thesis, 2019)Byggesektoren star for en stor andel av menneskers utslipp og energibruk, og det finnes et stort potensiale til a redusere dette. Moderne bygninger er mer lufttette enn tradisjonelle bygg for å spare energi, men dette ... -
Assessing the indoor air quality and their predictor variable in 21 home offices during the Covid-19 pandemic in Norway
Justo Alonso, Maria; Moazami, Therese Nitter; Liu, Peng; Jørgensen, Rikke Bramming; Mathisen, Hans Martin (Peer reviewed; Journal article, 2022)In this study, concentrations of pollutants: formaldehyde, carbon dioxide (CO2), and total volatile organic compounds (TVOC) and parameters: indoor room temperature and relative humidity (RH) were measured in 21 home offices ... -
Building Sentiment Lexicons for Mainland Scandinavian Languages Using Machine Translation and Sentence Embeddings
Liu, Peng; Marco, Cristina; Gulla, Jon Atle (Chapter, 2022)This paper presents a simple but effective method to build sentiment lexicons for the three Mainland Scandinavian languages: Danish, Norwegian and Swedish. This method benefits from the English Sentiwordnet and a thesaurus ... -
Data-driven energy management of a neighborhood with renewable energy sources
Yang, Yunbo; Brozovsky, Johannes Georg; Liu, Peng; Goia, Francesco (Peer reviewed; Journal article, 2023) -
Development and optimization of highly efficient heat recoveries for low carbon residential buildings
Liu, Peng; Justo Alonso, Maria; Mathisen, Hans Martin; Halfvardsson, Anneli (Peer reviewed; Journal article, 2022)To achieve energy efficiency and lower carbon emissions, building envelopes have become tighter and more insulated. These buildings must have mechanical ventilation with high efficient heat recovery to provide adequate ... -
Dynamic attention-based explainable recommendation with textual and visual fusion
Liu, Peng; Zhang, Lemei; Gulla, Jon Atle (Journal article; Peer reviewed, 2019)Explainable recommendation, which provides explanations about why an item is recommended, has attracted growing attention in both research and industry communities. However, most existing explainable recommendation methods ... -
Dynamic attention-integrated neural network for session-based news recommendation
Zhang, Lemei; Liu, Peng; Gulla, Jon Atle (Journal article; Peer reviewed, 2019)Online news recommendation aims to continuously select a pool of candidate articles that meet the temporal dynamics of user preferences. Most of the existing methods assume that all user-item interaction history are equally ... -
Energy Recovery with Air-to-air Membrane Energy Exchanger for Ventilation in Cold Climates
Liu, Peng (Doctoral thesis at NTNU;2016:156, Doctoral thesis, 2016)Air-to-air membrane energy exchangers (MEEs) are attracting increasing attention as one of the most important novel trends in heat and energy recovery exchangers for heating, ventilating and air-conditioning (HVAC) ... -
Evaluation of frost prevention strategies for membrane energy exchangers
Bai, Hongyu; Liu, Peng; Mathisen, Hans Martin (Journal article; Peer reviewed, 2023) -
Evaluation of low-cost formaldehyde sensors calibration
Justo Alonso, Maria; Madsen, Henrik; Liu, Peng; Jørgensen, Rikke Bramming; Jørgensen, Thomas Berg; Christiansen, Even Johan; Myrvang, Olav Aleksander; Bastien, Diane; Mathisen, Hans Martin (Peer reviewed; Journal article, 2022)Low-cost sensors (LCS) are becoming ubiquitous in the market; however, calibration is needed before reliable use. An evaluation of the calibration of eight identical pre-calibrated formaldehyde LCS is presented here. The ... -
Evaluation of Simplified Space-Heating Hydronic Distribution for Norwegian Passive Houses
Georges, Laurent; Alonso, Maria Justo; Woods, Ruth; Wen, Kang; Håheim, Fredrik; Liu, Peng; Berge, Magnar; Thalfeldt, Martin (ZEB Project report;, Research report, 2017)This technical report combines research results from the Norwegian Research Center on Zero Emission Buildings (ZEB) and a competence project about simplified hydronic distribution funded by Husbanken. In the Norwegian ... -
Experimental Investigation of the Total Performance of a Membrane Energy Exchanger
Skaten, Mariell (Master thesis, 2021)Energy-efficient ventilation is crucial to reach today's strict Norwegian building regulations. Heat exchangers are therefore mandatory to install in ventilation systems to reduce the energy demand for ventilation. There ... -
Explainable Neural Based News Recommender Systems
Gjelstad, Lars Kristian Gjelstad; Fålun, Eivind (Master thesis, 2021)De siste årene har bevitnet økt innsats forbundet med utviklingen av verktøy for å assistere brukere i å navigere nettbaserte underholdningstjenester gjennom anbefalingssystemer. Denne innsatsen er ikke ubegrunnet, da det ... -
Explainable Neural News Recommender Systems
Fålun, Eivind; Gjelstad, Lars Kristian (Master thesis, 2021)De siste årene har bevitnet økt innsats forbundet med utviklingen av verktøy for å assistere brukere i å navigere nettbaserte underholdningstjenester gjennom anbefalingssystemer. Denne innsatsen er ikke ubegrunnet, da det ... -
Exploiting Latent Context for Effective Social Recommendation
Liu, Peng (Doctoral theses at NTNU;2020:250, Doctoral thesis, 2020)With the rapid proliferation of online social networks, the information overload problem becomes increasingly severe, and recommender systems play a critical role in helping online users discover useful information matching ... -
Global sensitivity analysis and optimal design of heat recovery ventilation for zero emission buildings
Liu, Peng; Justo Alonso, Maria; Mathisen, Hans Martin (Peer reviewed; Journal article, 2023)Energy-efficient building services are necessary to realise zero-emission buildings while maintaining adequate indoor environmental quality. As the share of ventilation heating needs grow in well-insulated and airtight ... -
Heat recovery ventilation design limitations due to LHC for different ventilation strategies in ZEB
Liu, Peng; Justo Alonso, Maria; Mathisen, Hans Martin (Journal article; Peer reviewed, 2022) -
Holistic methodology to reduce energy use and improve indoor air quality for demand-controlled ventilation
Justo Alonso, Maria; Liu, Peng; Marman, Stine Flage; Jørgensen, Rikke Bramming; Mathisen, Hans Martin (Peer reviewed; Journal article, 2022)Ventilation control logics are usually based on the control indicators of occupancy. However, strategies including control of contaminants not linked to occupancy are requested and more feasible with the introduction in ... -
Innovasjonsrapport 2020. Forskningssenteret for nullutslippsområder i smarte byer (FME ZEN)
Bergsdal, Håvard; Sørensen, Åse Lekang; Cervenka, Zdena; Holm, Øystein; Thomsen, Judith; Sartori, Igor; Lindberg, Karen Byskov; Stokke, Raymond Andreas; De Boer, Luitzen; Hamdan, Hasan; Holmen, Elsebeth; Wiik, Marianne Rose Kjendseth; Backe, Stian; Kauko, Hanne; Georges, Laurent; Walnum, Harald Taxt; Lien, Synne Krekling; Skaar, Christofer; Wolfgang, Ove; Brattebø, Helge; Lausselet, Carine; Resch, Eirik; Sandberg, Nina Holck; Pinel, Dimitri; Thorvaldsen, Kasper Emil; Alonso, Maria Justo; Askeland, Magnus; Petersen, Sobah Abbas; Favero, Matteo; Carlucci, Salvatore; Liu, Peng (ZEN Report;, Research report, 2020)Forord. Forskning og innovasjon er grunnpilaren i vår visjon om å utvikle bærekraftige områder med null klimagassutslipp. Innovasjonskomiteen skal bistå senterledelsen i dette arbeidet gjennom å etablere gode innovasjonsprosesser ... -
Learning multi-granularity dynamic network representations for social recommendation
Liu, Peng; Zhang, Lemei; Gulla, Jon Atle (Journal article; Peer reviewed, 2019)With the rapid proliferation of online social networks, personalized social recommendation has become an important means to help people discover useful information over time. However, the cold-start issue and the special ...