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Ko, Sylvia (author)Each year, 5.9 million tonnes of tea is consumed worldwide. However, this large consumption of tea also leads to large amounts of tea waste. Approximately 90% of steeped tea is being thrown away. This waste leads to problems such as environmental pollution. In order to combat this issue, Tea Clay was previously developed as a material made from...master thesis 2023
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Ko, N.T. (author)Freshwater is a finite resource. It offers goods and services of fundamental importance for the development of human societies. In the developing countries, water-related infrastructure developed rapidly, which will bring prosperity to an impoverished country but also risks compromising the sustainability of the environment. The scarcity of...doctoral thesis 2022
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Ko, Cynthia (author)Due to emerging climate concerns, a growing pressure is put on the fashion industry to adopt circular business models which encourage sustainable usage of clothing. The clothing supply chain is currently both complicated and polluting. Paired with rising quantities of clothing sales, technological solutions will only temporarily tackle the...master thesis 2020
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Ko, N.T. (author), Suter, Phil (author), Conallin, John (author), Rutten, M.M. (author), Bogaard, T.A. (author)Intensive and incessant disruptions in watercourses such as dams are taking place due to the growing demand for hydroelectric generation, and can result in severe deterioration of ecosystem integrity. This research concentrates on the impact of dams on macroinvertebrate communities downstream of two hydropower dams on tributaries of the upper...journal article 2020
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Ko, N.T. (author), Suter, Phil (author), Conallin, John (author), Rutten, M.M. (author), Bogaard, T.A. (author)Anthropogenic pressures such as river infrastructure, agriculture and power generation are rapidly increasing in Southeast Asia, aimed at providing food security within the region. However, this will lead to unintended river health consequences, and, currently, most Southeast Asian countries have no country-specific tools for monitoring river...journal article 2020
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Ko, Ching Yun (author), Batselier, K. (author), Daniel, Luca (author), Yu, Wenjian (author), Wong, Ngai (author)We propose a new tensor completion method based on tensor trains. The to-be-completed tensor is modeled as a low-rank tensor train, where we use the known tensor entries and their coordinates to update the tensor train. A novel tensor train initialization procedure is proposed specifically for image and video completion, which is demonstrated...journal article 2020
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Ko, Ching Yun (author), Chen, Cong (author), He, Zhuolun (author), Zhang, Yuke (author), Batselier, K. (author), Wong, Ngai (author)Sum-product networks (SPNs) constitute an emerging class of neural networks with clear probabilistic semantics and superior inference speed over other graphical models. This brief reveals an important connection between SPNs and tensor trains (TTs), leading to a new canonical form which we call tensor SPNs (tSPNs). Specifically, we...journal article 2020
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Ko, N.T. (author), Suter, Phil (author), Conallin, John (author), Rutten, M.M. (author), Bogaard, T.A. (author)Rivers and wetlands in Myanmar provide essential services to people in terms of transportation, agriculture, fisheries and a myriad of other ecosystem services, all of which are dependent on a healthy ecosystem. Irrigation channels are also an important part of the infrastructure for daily water use in Myanmar. The objective of this research...journal article 2020
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Batselier, K. (author), Ko, Ching Yun (author), Wong, Ngai (author)This article reformulates the multiple-input-multiple-output Volterra system identification problem as an extended Kalman filtering problem. This reformulation has two advantages. First, it results in a simplification of the solution compared to the Tensor Network Kalman filter as no tensor filtering equations are required anymore. The second...conference paper 2019
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Chen, Cong (author), Batselier, K. (author), Ko, Ching Yun (author), Wong, Ngai (author)A restricted Boltzmann machine (RBM) learns a probability distribution over its input samples and has numerous uses like dimensionality reduction, classification and generative modeling. Conventional RBMs accept vectorized data that dismiss potentially important structural information in the original tensor (multi-way) input. Matrix-variate...conference paper 2019
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Chen, Cong (author), Batselier, K. (author), Ko, Ching Yun (author), Wong, Ngai (author)There has been growing interest in extending traditional vector-based machine learning techniques to their tensor forms. Support tensor machine (STM) and support Tucker machine (STuM) are two typical tensor generalization of the conventional support vector machine (SVM). However, the expressive power of STM is restrictive due to its rank-one...conference paper 2019
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Lee, Ying-Chieh (author), Ko, Chia-Ying (author), Lin, Y. (author), Wang, Chi-Yun (author), Huang, Chun-Wei (author), Seto, Karen C. (author)Eight East Asian countries are home to approximately one-quarter of the world’s urban population, and by 2050, the combined urban population of these countries is expected to increase to 1.29 billion from 881 million today. Thus a central challenge for East Asian cities is how to pursue more low-carbon urbanization pathways. One of the key...conference paper 2017
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Son, Eun Jin (author), Lee, Sahng Ha (author), Kuk, Su Keun (author), Pesic, M. (author), Choi, Da Som (author), Ko, Jong Wan (author), Kim, Kayoung (author), Hollmann, F. (author), Park, Chan Beum (author)In green plants, solar-powered electrons are transferred through sophistically arranged photosystems and are subsequently channelled into the Calvin cycle to generate chemical energy. Inspired by the natural photosynthetic scheme, a photoelectrochemical cell (PEC) is constructed configured with protonated graphitic carbon nitride (p-g-C<sub>3...journal article 2017
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Ko, F.W.Y. (author)Hong Kong faces a unique long-term slope safety problem due to its dense urban development in a hilly terrain combined with high seasonal rainfall. Its slope engineering practice and landslide risk management have evolved in response to experience and through continuous improvement initiatives and technology advances. The application of state-of...conference paper 2015
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Ko, K.K.M. (author)People are already living on water for centuries in some places around the world. However, the concept of building on water has been reintroduced with a new idea in the last two decades. The new idea is to realise a very large floating structure which is as big as a city. Instead of multiple independent floating houses forming a floating...master thesis 2015
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Ko, S. (author)cookie factory interventionmaster thesis 2013
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Drif, A. (author), Austin, S.E. (author), Ko, W.K.H. (author), Tan, J.E.T. (author)Since their invention, TV's have become one of the most popular media devices and can be found in almost every livingroom in the world. For a long time, the functionality of the TV stayed the same: the ability to view television programs at certain fixed times of the day. Recently there has been development in the television market adding...bachelor thesis 2012
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- Ko, Kwang Hee (author) journal article 2010
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- Jang, Beom-Seon (author), Chung, Sung-Wook (author), Ko, Dae-En (author), Chun, Min-Sung (author), Kim, Ji-Young (author) journal article 2009
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- Ko, Kwang Hee (author) journal article 2009