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Middleware Design and Implementation for Networked Embedded Systems
Published in Richard Zurawski, Networked Embedded Systems, 2017
Venkita Subramonian, Christopher D. Gill
In standard CORBA, each server-side ORB may provide multiple object adapters [38]. Servant objects register with an object adapter, which demultiplexes each client request to the appropriate servant. Each object adapter maybe associated with a set of policies, e.g., for servant threading, retention, and lifespan [17]. In standard CORBA, multiple object adapters are supported by each ORB. This allows heterogeneous object policies to be implemented in a client-server environment, which is desirable in applications such as online banking, where each object on a server maybe configured according to preferences of the server administrator, or even the end user.
Improvement of selenium adsorption performance at high temperature by CaO/ZSM-5 composite sorbents
Published in Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2023
Jinlei Li, Mengzhu Yu, Yaji Huang, Zhicheng Zhu, Zhiyuan Li, Xueyu Ding, Yuxin Li, Xuewei Zhang, Zekun Wei
The thermal stability of obtained sorbents was analyzed by thermogravimetry (TG-DSC, Netzsch STA449F3), while the heating rate and final temperature were 10°C/min and 1300°C, respectively. Mass loss can be roughly divided into four steps. Due to the removal of H2O, the first stage occurs between 25 and 200°C. For two reasons, the second stage occurs before 460°C. First, the thermal decomposition of calcium acetate (Cho, Seo, and Chang 2009; Musumeci, Frost, and Waclawik 2007) which comes from the synthetic process. Second, the weight loss is related to the thermal decomposition of Ca (OH)2, originating from the action of CaO with H2O in the air during the testing process (Hlaing et al. 2016; Yan, Jia, and Aruhan 2010). The third stage, before 780°C, may assign to the thermal decomposition of calcium carbonate, which formed from the decomposition of calcium acetate or the action of Ca (OH)2 with CO2 in the air (Pereira et al. 2018; Tang et al. 2008). Considering the mass loss is not equal to the decomposition of calcium acetate in the second stage, the form of calcium carbonate refer to the latter reason more appropriately. In the last stage, after 780°C, the stable mass loss may attribute to the thermal decomposition of calcium carbonate, from the decomposition of calcium carbonate decomposed from calcium acetate. Besides at 1200°C, there is an obvious phase transition, which can be considered that this phase transition should be the process of crystal transformation to amorphous structure (Wang et al. 2001). And the DSC curve of Z1C1 and Z1C2 has another peak at 950°C, which may point to the eutectic reaction between Si, Ca and Al (Anglezio, Servant, and Ansara 1994).
Exploring the Privacy Concerns in Using Intelligent Virtual Assistants under Perspectives of Information Sensitivity and Anthropomorphism
Published in International Journal of Human–Computer Interaction, 2021
Quang-An Ha, Jengchung Victor Chen, Ha Uy Uy, Erik Paolo Capistrano
Studies of early attempts to humanize robots found that people would prefer an assistant robot over a servant robot to perform daily tasks around the household (Dautenhahn et al., 2005). However when it comes to servant and partner IVAs, users may respond more favorably to servant IVAs and may express a greater degree of uncertainty toward partner IVAs based on their level of control and management of their risks while using IVAs (H. C. Kim & Kramer, 2015). These issues can stem from the fact that humanized robots in the early years were limited to certain functions that were considered mundane and routine (Dautenhahn et al., 2005), whereas IVAs are more technologically advanced and can carry out more complex functions (Chung et al., 2017). From these findings, it is expected that users’ privacy concerns involving IVAs will vary according to their perceptions of IVA roles, reflecting the differing opinions and findings of previous studies, which imply that the responsibilities assigned to a technology can influence user perceptions of it being a partner or a servant. According to CPMT (Petronio, 2002), when a user share information with an IVA, a boundary linkage is formed that will be strong or weak depending on how the information was shared. When the information is highly sensitive, users may respond more favorably to a servant IVA because the boundary linkage between a servant and its boss is strong in terms of co-ownership of this sensitive information. However, when the information sensitivity is low, the user easily opens the boundary to a partner IVA because it is hoped that the partner IVA will be better able to collaborate with the user to achieve a goal (H. C. Kim & Kramer, 2015). Therefore, in this research, it is argued that when IVAs request highly sensitive information from users, partner IVAs will trigger more insecure feelings related to privacy than servant IVAs. H3: When an IVA requests highly sensitive information, user privacy concerns will be greater with a partner IVA compared to a servant IVA.