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Open accessProceedings ArticleDOI
01 Jul 2019
18 Citations
For the particular case of replicated servers, we propose two weakly-private information retrieval schemes based on two recent PIR protocols and a family of schemes based on partitioning.
without any centralized servers, making it suitable for pure peer-to-peer-based systems.
Unlike existing solutions, which require clients to either trust proxy servers or discover all the resources on any page themselves, Vroom's key characteristics are that clients fetch every resource directly from the domain that hosts it but web servers aid clients in discovering resources.
Open accessJournal ArticleDOI
Michał Rzeszewski, Leighton Evans 
01 Jan 2020
14 Citations
In the reviews made during the pandemic there is a strong theme of safety associated with virtual places of VRChat – a replacement of physical space that is no longer accessible or is perceived as unsafe.
Open accessProceedings ArticleDOI
Lan Zhang, Xiang-Yang Li, Yunhao Liu, Taeho Jung 
14 Apr 2013
51 Citations
The results show that our verifiable private computation protocols are efficient both in computation and communication.
Open accessJournal ArticleDOI
Michał Rzeszewski, Leighton Evans 
01 Jan 2020
14 Citations
At least for some users, VRChat has provided a sympathetic and comfortable environment during the pandemic to act as a surrogate for social interaction during social distancing and isolation.
Open accessProceedings ArticleDOI
25 Apr 2020
28 Citations
While there are some limitations with using VRChat, overall we have demonstrated a promising approach for running crowdsourced VR experiments.
We demonstrate how social VR platforms can be used to practically and ethically produce valid research results by replicating two studies using one such platform (VRChat): a quantitative study on Fitts’ Law and a qualitative study on tabletop collaboration.
Open accessProceedings ArticleDOI
25 Apr 2020
28 Citations
We demonstrate that it is possible to implement and run crowdsourced VR experiments using a pre-existing massively multiplayer online VR social platform - VRChat.

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What is effect by cutting classes?
5 answers
Cutting classes has significant negative consequences on academic performance. Research shows that skipping classes harms exam scores, while attending preexam reviews and taking optional quizzes positively impact exam scores. Additionally, weight cutting in sports negatively affects reaction time but has mixed effects on power and accuracy in striking performance. On the other hand, reducing class sizes does not show statistically significant improvements in academic test scores or non-cognitive skills. Addressing class cutting in high schools is crucial, as it often stems from disengagement and alienation, leading to course failure and dropout rates. Schools can combat class cutting by understanding students' concerns, collaborating with them, and engaging in institutional self-scrutiny to create a more supportive environment.
What are the potential future developments and breakthroughs in edge computing for wearable devices?
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Future developments in edge computing for wearable devices include the utilization of neuromorphic processing for lightweight, energy-efficient systems with low-latency processing. This involves implementing spiking neural networks (SNNs) for gesture recognition using electromyography (EMG) sensors, enabling precise control and autonomy in wearable devices. Additionally, advancements in wearable AI technologies are driving the emergence of fabric-based multilayer SNN smart garments, allowing for scalable and interchangeable designs with event-driven artificial SNNs embedded in the fabric. These innovations pave the way for enhanced on-garment edge-driven AI capabilities, leveraging bioinspired methods to mimic human brain functions for higher performance processing in wearable devices. Such developments hold promise for revolutionizing wearable technology with efficient, brain-inspired computing systems.
What is corporate citizenship?
4 answers
Corporate citizenship refers to the societal role of businesses, where they are seen as political actors and are expected to contribute positively to the community. It involves engaging in activities that benefit society beyond just profit-making, such as community investment and social responsibility. Gender dynamics also play a role in shaping corporate citizenship, with feminist discourse influencing policies and laws related to corporate behavior. Different understandings of corporate citizenship exist, with some emphasizing community activities while others focus on integrating citizenship principles into core business practices. Overall, corporate citizenship encompasses the idea of businesses acting as responsible members of society, contributing to the common good and engaging in ethical practices.
Why is there a lot of board exam takers choose to enroll in a review center in Manila?
5 answers
Many board exam takers choose to enroll in review centers in Manila due to the perceived positive impact of attending these centers on passing rates. Research indicates that attendance to review courses handled by prestigious review schools is a positive factor in passing board examinations. Additionally, the quality of instruction in higher education institutions, including review centers, plays a crucial role in exam success. While state universities have shown improvement in professional board exam performance, concerns remain about the quality of instruction and passing rates. Moreover, a gamified application developed for Licensure Examination for Teachers (LET) review has shown promising results in engaging and motivating students, potentially enhancing their review experience and outcomes.
Convenience of online class this time of pandemic?
5 answers
Online classes during the pandemic have provided convenience by offering a customized learning experience, facilitating easy access to study materials, homework, and quizzes. Students have found platforms like Google Classroom very helpful and extremely convenient, allowing them to work at their own pace and time. However, challenges such as limited internet connectivity and accessibility issues have been reported, especially in third-world countries like Bangladesh. Teachers have had to adapt quickly to remote teaching, necessitating a re-evaluation of teaching strategies and the use of a broader range of pedagogical tools for success in online teaching. Despite the convenience of online classes, students have expressed concerns about the lack of typical classroom socializing, face-to-face engagement with teachers, and delayed responses.
What is laborious in engineering?
4 answers
Laboriousness in engineering refers to the effort and intensity required in various engineering tasks. In the context of software development, laboriousness can be estimated based on functional points, allowing for early project size estimation. Engineering performance directly impacts project outcomes, with factors like project size, type, and modularization affecting labor productivity. Challenges in engineering education include the need for a multidisciplinary approach, knowledge of economics, sustainable solutions, and proficiency in information technologies and ethics. When designing construction production technology, the lack of tools for analyzing design solutions poses a challenge, especially in standardizing processes and determining labor cost norms effectively. Overall, laboriousness in engineering encompasses a range of factors from software development estimation to project productivity and educational requirements.
Are there methods of imaging mass cytometry detecting acid phosphatase activity, like TRAP staining for osteoclasts?
5 answers
Imaging Mass Cytometry (IMC) is a powerful tool for visualizing multiple protein targets simultaneously, making it valuable for studying acid phosphatase activity like TRAP staining in osteoclasts. TRAP, a marker for osteoclasts, can be detected using fluorescence-based methods, such as the ELF97 TRAP stain, which offers better resolution and additional information about osteoclasts when combined with other fluorescence-based techniques. Additionally, the classical TRAP assay is commonly used to identify osteoclast populations in vitro, providing a general protocol for inducing osteoclast differentiation from cell lines like RAW264.7. Therefore, IMC and fluorescence-based methods offer innovative ways to study acid phosphatase activity, particularly in the context of osteoclast biology.
What are some of the most widely used cybersecurity frameworks in the global information security landscape?
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Some of the most widely used cybersecurity frameworks in the global information security landscape include NIST frameworks, COBIT, CIS Controls, ISO 27000, and the NIST Cybersecurity Framework. These frameworks help organizations understand current cyber risks, identify missing security controls, prioritize mitigative activities, and evaluate and mitigate information security risks. Additionally, the Pyramid of Pain, MITRE ATT&CK framework, Cyber Kill Chain, and The Diamond Model of Intrusion Analysis are utilized for analyzing cyber threat intelligence data. These frameworks provide a structured approach to cybersecurity, offering guidelines and best practices for organizations to enhance their cybersecurity posture and protect sensitive data from cyber threats.
Who is the author of the paper "A Survey on Generative Diffusion Models"?
5 answers
The paper "A Survey on Generative Diffusion Models" was authored by Adil Alrammahi, Hao-Li Zou, Zae Myung Kim, Dongyeop Kang, Hee-Il Koo, and To Eun Kim. Alrammahi's work focuses on structured data modelling via diffusion models, while Zou, Kim, and Kang delve into the application of diffusion models in natural language processing (NLP). Koo and Kim also contribute to the survey on generative diffusion models, emphasizing the importance of structured data in the field. Additionally, the survey on graph diffusion models, which is part of the broader discussion on generative diffusion models, is conducted by unspecified authors. Collectively, these authors have significantly contributed to the exploration and understanding of generative diffusion models across various domains.
How does reinforcement learning perform in set50 compared to other reinforcement learning algorithms?
4 answers
Reinforcement learning (RL) algorithms exhibit varying performances in different settings. In the context of set50, RL algorithms have shown promising results. For instance, in the study by Brida V. Mbuwir et al., fitted Q-iteration outperformed other RL algorithms, naive, and rule-based controls in terms of PV self-consumption and net electricity cost. Additionally, Majid Majidi et al. proposed a novel learning-based energy matching solution that significantly outperformed standard online matching heuristics, enhancing social welfare in dynamic matching markets. These findings highlight the effectiveness of RL algorithms in optimizing tasks such as energy management and control systems, showcasing their potential for improving efficiency and performance in various applications.
What is quantum beat ?
5 answers
Quantum beat refers to the coherent oscillation between different quantum states, often observed in various systems like excitons in quantum dots, radical pair systems in quantum biology, and excitonic wave-functions in Transition-metal dichalcogenides (TMDs). These oscillations result from the interference of quantum states, leading to periodic intensity variations in measurements. For instance, in the context of a single magnetic fluxon trapped in a SQUID, quantum beats arise from the fluxon's coherent tunneling between cells. Quantum beats play a crucial role in understanding the quantum dynamics of systems and have implications in fields like quantum biology, materials science, and quantum computing. Leveraging quantum computers can aid in simulating and studying these quantum phenomena more effectively, showcasing the potential of quantum technologies in advancing research areas like chemistry and music generation.