Browsing NTNU Open by Author "Ahlers, Dirk"
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A Measurement-Driven Approach to Understand Urban Greenhouse Gas Emissions in Nordic Cities
Ahlers, Dirk; Driscoll, Patric Arthur; Kraemer, Frank Alexander; Anthonisen, Fredrik Valde; Krogstie, John (Journal article, 2016)Cities are main drivers for climate change mitigation and emission reduction today. However, in many cases they lack reliable baselines of emissions to validate current developments over time, assess the impact of their ... -
A Smart City Ecosystem Enabling Open Innovation
Ahlers, Dirk; Wienhofen, Leendert Wilhelmus Marinus; Petersen, Sobah Abbas; Anvaari, Mohsen (Chapter, 2019)In this position paper we present IT-centered challenges that lie in designing an architecture for a flexible, open, transferable, and replicable smart city ecosystem spanning a plethora of suppliers and systems. The ... -
Analysis and Visualization of Urban Emission Measurements in Smart Cities
Ahlers, Dirk; Kraemer, Frank Alexander; Bråten, Anders Eivind; Liu, Xiufeng; Anthonisen, Fredrik Valde; Driscoll, Patrick Arthur; Krogstie, John (Chapter, 2018)Cities worldwide aim to reduce their greenhouse gas emissions and improve air quality for their citizens. Therefore, there is a need to implement smart city approaches to monitor, model, and understand local emissions to ... -
Analyzing the Application of Battery Technologies and Strategies in Positive Energy Districts: A Case Study in Sluppen, Trondheim
Yang, Ming (Master thesis, 2023)Denne avhandlingen utforsker anvendelsen av batteriteknologi og strategier i positive energidistrikter (PED-er), med spesielt fokus på casestudiet av Sluppen i Trondheim. Forskningen tar sikte på å analysere hvordan ... -
API deployment for big data management towards sustainable energy prosumption in smart cities-a layered architecture perspective
Bokolo, Anthony Junior; Petersen, Sobah Abbas; Ahlers, Dirk; Krogstie, John (Journal article; Peer reviewed, 2019)The smart city has emerged as a universal term for the pervasive utilisation of information and communication technologies deployed to provide value-added services to citizens based on data generated from sectors such as ... -
Applying Geographic Information Retrieval — An Experience Report on Developing Local Search for a Developing Country
Ahlers, Dirk (Journal article; Peer reviewed, 2014)This article reports on the efforts to establish a research project on a geospatial search engine for the Latin American country of Honduras during the author’s research stay at a local university. Honduras is an interesting ... -
Approaches to Social Innovation in Positive Energy Districts (PEDs)—A Comparison of Norwegian Projects
Baer, Daniela; Loewen, Bradley; Cheng, Caroline Y; Thomsen, Judith; Wyckmans, Annemie; Temeljotov Salaj, Alenka; Ahlers, Dirk (Peer reviewed; Journal article, 2021)The Positive Energy District (PED) concept is a localized city and district level response to the challenges of greenhouse gas emission reduction and energy transition. With the Strategic Energy Transition (SET) Plan aiming ... -
Assessment of the Accuracy of GeoNames Gazetteer Data
Ahlers, Dirk (Chapter, 2013)Gazetteers are the basis of many geospatial applications and serve an important role to collect and make available knowledge about the physical world such as place names and their coordinates. GeoNames is one of the largest ... -
Big Data Driven Multi-Tier Architecture for Electric Mobility as a Service in Smart Cities: A Design Science Approach
Bokolo, Anthony Junior; Petersen, Sobah Abbas; Ahlers, Dirk; Krogstie, John (Peer reviewed; Journal article, 2020)Electric mobility as a service (eMaaS) is suggested as a possible solution to ease transportation and lessen environmental issues by providing a collaborative transport sharing infrastructure that is based on electric ... -
Big data driven multi-tier architecture for electric mobility as a service in smart cities: A design science approach
Bokolo, Anthony Junior; Petersen, Sobah Abbas; Ahlers, Dirk; Krogstie, John (Peer reviewed; Journal article, 2020)Purpose Electric mobility as a service (eMaaS) is suggested as a possible solution to ease transportation and lessen environmental issues by providing a collaborative transport sharing infrastructure that is based on ... -
Big data-oriented energy prosumption service in smart community districts: a multi-case study perspective
Bokolo, Anthony Junior; Petersen, Sobah Abbas; Ahlers, Dirk; Krogstie, John; Livik, Klaus (Journal article; Peer reviewed, 2019)The smart grid achieves bidirectional information and energy flow between energy consumer and utility grid, aiding energy users not only to utilize energy, but also to produce, sell, and share energy with other consumers ... -
C-Valuate: Improving City-Scale Low-Carbon Investment Decision-Making: Final report
Kallaos, James; Sudmant, Andrew; Driscoll, Patrick Arthur; Ahlers, Dirk; Gouldson, Andy (Research report, 2018)Access to reliable, timely, and relevant information is fundamental in most areas of decision-making but may be especially important in complex fast-moving fields where multiple ideas, approaches, or options compete for ... -
Challenges for Information Access in Multi-Disciplinary Product Design and Engineering Settings
Ahlers, Dirk; Mehrpoor, Mahsa; Kristensen, Kjetil; Krogstie, John (Chapter, 2015)In any larger engineering setting, there is a huge number of documents that engineers and others need to use and be aware of in their daily work. To improve the handling of this amount of documents, we propose to view it ... -
Challenges of Sustainable Urban Mobility Integration
Ahlers, Dirk (Chapter, 2020)This position paper addresses the field of cities, mobility, and climate change. We claim that the challenge is no longer just only individual interfaces for individual cars or mobility providers, but rather an overhaul ... -
Co-Creating Local Energy Transitions Through Smart Cities: Piloting a Prosumer-Oriented Approach
Gall, Tjark; Carbonari, Giulia; Ahlers, Dirk; Wyckmans, Annemie (Chapter, 2020) -
Co-Creation of Positive Energy Blocks
Ahlers, Dirk; Driscoll, Patrick Arthur; Wibe, Håvard; Wyckmans, Annemie (Journal article; Peer reviewed, 2019)A main challenge in building carbon-neutral built environments is the ability to scale and replicate solutions. We examine how to develop low-carbon neighbourhoods and districts, while aiming at climate-friendly and ... -
A Cost Model for Data Discovery in Large-Scale IoT Networks of Smart Cities
Soltvedt, Torbjørn Kirkevik; Sinaeepourfard, Amir; Ahlers, Dirk (Chapter, 2020)A smart city with huge numbers of physical (e.g., sensors and actuators) and non-physical (e.g., external databases) data sources will continuously produce high amounts of massive city-data. Distributed data storage across ... -
D1.2: Report on the Architecture for the ICT Ecosystem
Abbas Peterse, Sobah; Bokolo, Anthony Junior; Ahlers, Dirk; Shams, Armin; Helfert, Markus; Aloush, Iyas; Pourzolfaghar, Zohreh (Research report, 2021) -
D2C-SM: Designing a Distributed-to-Centralized Software Management Architecture for Smart Cities
Sinaeepourfard, Amir; Petersen, Sobah Abbas; Ahlers, Dirk (Peer reviewed; Journal article, 2019)Smart city innovations can enhance the quality of citizens’ life through different smart technology management solutions, including resource management, data management, and software management. Nowadays, there are two ... -
Document and Corpus Quality Challenges for Knowledge Management in Engineering Enterprises
Ahlers, Dirk; Krogstie, John (Journal article; Peer reviewed, 2015-10)