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2022 ◽  
Vol 6 (1) ◽  
pp. 1-26
Author(s):  
Chao Chen ◽  
Abdelsalam (Sumi) Helal ◽  
Zhi Jin ◽  
Mingyue Zhang ◽  
Choonhwa Lee

Smart spaces such as smart homes deliver digital services to optimize space use and enhance user experience. They are composed of an Internet of Things (IoT), people, and physical content. They differ from traditional computer systems in that their cyber-physical nature ties intimately with the users and the built environment. The impact of ill-programmed applications in such spaces goes beyond loss of data or a computer crash, risking potentially physical harm to the space and its users. Ensuring smart space safety is therefore critically important to successfully deliver intimate and convenient services surrounding our daily lives. By modeling smart space as a highly dynamic database, we present IoT Transactions, an analogy to database transactions, as an abstraction for programming and executing the services as the handling of the devices in smart space. Unlike traditional database management systems that take a “clear room approach,” smart spaces take a “dirty room approach” where imperfection and unattainability of full control and guarantees are the new normal. We identify Atomicity, Isolation, Integrity and Durability (AI 2 D) as the set of properties necessary to define the safe runtime behavior for IoT transactions for maintaining “permissible device settings” of execution and to avoid or detect and resolve “impermissible settings.” Furthermore, we introduce a lock protocol, utilizing variations of lock concepts, that enforces AI 2 D safety properties during transaction processing. We show a brief proof of the protocol correctness and a detailed analytical model to evaluate its performance.


2022 ◽  
pp. 126-146
Author(s):  
S. G. Marichev

The paper attempts to estimate, in monetary terms, the volume of free digital services in GDP while assessing the contribution of digitalization to changes in welfare and economic growth. Approaches to such an estimation are analyzed and criticized. In particular, the calculation of the added value created in the digital sector does not properly reflect the economic effect of digitalization. Alternative auxiliary methods for estimating the contribution of digitalization to GDP growth are considered: the creation of satellite accounts of the digital economy within the SNA; the categorization and calculation of “purely” digital goods. The paper analyzes the methodology of calculating GDP which takes into account consumer surpluses from the use of free digital goods. The advantages of this methodology are outlined, including the consideration of a significant part of the digital sector of the economy in the calculation of GDP, as well as the relative ease of its use. This methodology was tested by drawing on the example of the Republic of Bashkortostan.


Author(s):  
Alexander Seifert ◽  
Neil Charness

AbstractDigital (consumer) services, such as ticket machines, self-checkout, and online reservations, have become increasingly important in modern society. Studies on adoption of these services and openness to using future public digital services (e.g., online voting, online taxes, electronic patient records) have mostly focused on younger adults or nonrepresentative samples among older adults. Therefore, two important questions remain that can best be addressed with representative sampling: To what extent do older adults use or are willing to use current and future digital services in their everyday lives? How do older adults evaluate the ease of use of these services?. The study included data on use of current and future digital services among a large Swiss sample of 1149 people age 65 years and older (mean age: 74.1 years, SD: 6.69). Descriptive and multivariate analyses showed that (a) established services such as cash machines were used more often than new services, such as self-checkout apps or machines. (b) Perceived ease of use is related to age, socioeconomic status, health, and interest in technology. (c) Only 8.9% had an overall positive attitude toward these digital services, and this attitude was predicted by age, gender, socioeconomic status, and interest in technology. (d) Participants were more often open to filing taxes online than voting online, and openness was predicted by age, income, and interest in technology. Today, mainly older adults with a high interest in technology use digital services. Nevertheless, potential for greater use is evident.


2022 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Dilara Begum ◽  
Md. Hasinul Elahi

Purpose The purpose of this paper is to discuss the East West University Library’s (EWUL’s) response to COVID-19 situation through their transformation to digital services. The paper tries to explain how these digital library services support the user community of East West University (EWU) in online teaching and access to information resources. Design/methodology/approach This paper describes the EWUL’s several digital services that are used to meet the needs of its user community during the COVID-19 pandemic. The reflective practice approach has been undertaken for this study on the basis of the authors’ personal experiences working at an academic library. The authors used the reflective practice approach to assess the library’s practice during crisis situation, make the use of technological interventions in service providing and also to re-innovate the digital services for future. Findings During the pandemic, the library shifted all the possible physical or on-site services to digital services, i.e. online resource facilities and remote access to these, federated searching, Web online public access catalog, engaging users through social media, specialized knowledge space, online document delivery, article on request, information literacy training, virtual reference service, etc. The user engagement in all these services is also notable. Research limitations/implications The nature of this study is limited to the COVID-19 pandemic and within a particular geographic location. Practical implications This paper has implications and possible applications for other university libraries in developing countries, which intends to transform their services into digital for ensuring better service quality for their respective user community. Originality/value This paper makes a valuable contribution to the literature on how a private university library of a developing country is responding to pandemics such as COVID-19.


2022 ◽  
pp. 73-78
Author(s):  
A. D. Okolnishnikov ◽  
A. I. Ukhova ◽  
E. V. Krasnov

The article analyses the digitalisation of real estate services in Russia. Empirical works of leading analytical agencies and experts’ academic papers in the field of economic sciences has been summarised and sysrematised. The development key indicators of Russian digital economy, digitalisation level of certain service sectors, digital production features and digital consumption which characterise the digital economy development, have been considered. It has been noted that at present the digital services of in real estate services are at an early stage of development due to the small number of market participants who have fully implemented digital services and online technologies in their activities. It has been revealed that most of the stages of real estate services for the sale or purchase of residential property can be partly or fully realised using digital services and online technologies. Generalised characteristics of real estate services digitalisation at present and prospects for its development have been formulated. 


2022 ◽  
Author(s):  
Juuli Lumivalo ◽  
Kati Clements ◽  
Emma-Stiina Hannuksela
Keyword(s):  

2022 ◽  
pp. 41-63

The watching entities can be broadly classified into two groups, institutions (I) and people (P). The I watchers are made up of different elements amongst which the state is the most prominent one. The I watchers also include corporations, educational institutions, and corporations that offer digital services. The P watchers include parents, siblings, spouses, and children. All these watchers make up the spectrum of entities engaged in surveilling each other.


2022 ◽  
pp. 100034
Author(s):  
John Kieti ◽  
Timothy Mwololo Waema ◽  
Heike Baumüller ◽  
Elijah Bitange Ndemo ◽  
Tonny Kerage Omwansa
Keyword(s):  

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