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Topic Review
Vice News
Vice News (stylized as VICE News) is Vice Media's current affairs channel, producing daily documentary essays and video through its website and YouTube channel. It promotes itself on its coverage of "under-reported stories". Vice News was created in December 2013 and is based in New York City , though it has bureaus worldwide.
  • 878
  • 14 Oct 2022
Topic Review
Efficient Task Offloading in Multi-User Edge Computing
Task offloading is one of the most important issues in edge computing and has attracted continuous research attention in recent years. With task offloading, end devices can offload the entire task or only subtasks to the edge servers to meet the delay and energy requirements.
  • 874
  • 05 Aug 2022
Topic Review
Evolution of Personal Data Store
The idea of the personal data store goes back to the early 2000s. The initial idea of this concept was to store and capture digital materials (e.g., books, photos, and other digital documents). This idea was developed for MyLifeBits as a platform to store scanned paper files and record, store, and access a personal lifetime archive. Personal web observatories are another concept based on the idea of Personal Data Stores (PDS). A personal web observatory is a technical platform that, first and foremost, enables individuals to consolidate and archive their data that is dispersed among multiple sources. Later, the concept of Personal Information Management (PIM) and Personal dataspace management was introduced to specifically focus on the process of managing personal digital information such as emails, images, HTML, XML, audio, video, and so on.
  • 874
  • 08 May 2023
Topic Review
Monitoring of Humans in Bed
Indeed, humans typically spend a significant portion of their daily lives in bed. This time becomes even longer in cases where the human is unwell. This is particularly the case for sick or older people, who spend even more time in bed. Their physical activity or inactivity patterns provide useful signatures that reflect the “state” of the person under observation. In the frame of activity monitoring endeavors, behavioral situations that are abnormal (these situations are more/extremely rare within the observation time window) are the ones that are of the highest interest when compared to behavioral situations that are rather normal (these ones occupy most of the observation time window).
  • 874
  • 24 Aug 2022
Topic Review
Ceph
Ceph (pronounced /ˈsɛf/) is an open-source software-defined storage platform that implements object storage on a single distributed computer cluster and provides 3-in-1 interfaces for object-, block- and file-level storage. Ceph aims primarily for completely distributed operation without a single point of failure, scalability to the exabyte level, and to be freely available. Since version 12, Ceph does not rely on other filesystems and can directly manage HDDs and SSDs with its own storage backend BlueStore and can completely self reliantly expose a POSIX filesystem. Ceph replicates data and makes it fault-tolerant, using commodity hardware and Ethernet IP and requiring no specific hardware support. The Ceph’s system offers disaster recovery and data redundancy through techniques such as replication, erasure coding, snapshots and storage cloning. As a result of its design, the system is both self-healing and self-managing, aiming to minimize administration time and other costs. In this way, administrators have a single, consolidated system that avoids silos and collects the storage within a common management framework. Ceph consolidates several storage use cases and improves resource utilization. It also lets an organization deploy servers where needed.
  • 874
  • 14 Oct 2022
Topic Review
Complexity of Needs Model (DEA)
Data Envelopment Analysis (DEA) is a powerful non-parametric engineering tool for estimating technical efficiency and the production capacity of service units. The Complex-of-Needs Allocation Model proposed by Nepomuceno et al. (2020) is a two-step methodology for prioritizing hospital bed vacancy and reallocation during the COVID-19 pandemic. The framework determines the production capacity of hospitals through Data Envelopment Analysis and incorporates the Complexity of Needs in two categories for the reallocation of beds throughout the medical specialties. As a result, we have a set of inefficient health-care units presenting less complex bed slacks to be reduced, i.e. to be allocated for patients presenting more severe conditions.
  • 873
  • 08 Apr 2021
Topic Review
Wargaming
A wargame (also war game) is a strategy game that deals with military operations of various types, real or fictional. Wargaming is the hobby dedicated to the play of such games, which can also be called conflict simulations, or consims for short. When used professionally by the military to study warfare, "war game" may refer to a simple theoretical study or a full-scale military exercise. Hobby wargamers have traditionally used "wargame", while the military has generally used "war game"; this is not a hard rule. Although there may be disagreements as to whether a particular game qualifies as a wargame or not, a general consensus exists that all such games must explore and represent some feature or aspect of human behaviour directly bearing on the conduct of war, even if the game subject itself does not concern organized violent conflict or warfare. Business wargames exist as well, but in general, they are only role-playing games based on market situations. Wargames are generally categorized as historical, hypothetical, fantasy, or science fiction. Historical games form by far the largest group. These games are based upon real events and attempt to represent a reasonable approximation of the actual forces, terrain, and other material factors faced by the actual participants. Hypothetical games are games grounded in historical fact but concern battles or conflicts that did not (or have yet to) actually happen. Fantasy and science fiction wargames either draw their inspiration from works of fiction or provide their own imaginary setting. Highly stylized conflict games such as chess are not generally considered wargames, although they are recognized as being related. Games involving conflict in other arenas than the battlefield, such as business, sports or natural environment are similarly usually excluded. The modern wargaming hobby has its origins at the beginning of the 19th century, with von Reiswitz's Kriegsspiel rules. Later, H.G. Wells' book Little Wars ushered in the age of miniatures games in which two or more players simulated a battle as a pastime. During the 1950s the first large-scale, mass-produced board games depicting military conflicts were published. These games were at the height of their popularity during the 1970s, and became quite complex and technical in that time. Wargaming has changed dramatically over the years, from its roots in miniatures and board wargaming, to contemporary computer and computer assisted wargames; however, both miniature and board wargames maintain a healthy, if small, hobby market with lighter games being popular with many 'non-wargamers'.
  • 871
  • 10 Oct 2022
Topic Review
Technologies for Down Syndrome Persons
Since the beginning of the 21st century, the lifespan of people born with Down syndrome (DS) has increased. They now outlive their parents and rely on their relatives who usually sacrifice their own families to care for their disabled siblings. To reduce the pressure on families and the wider community, it is crucial to prepare DS people for independent life from early childhood. Emerging technologies can significantly support the process of acquiring the skills that are necessary for solving real-life problems at home and work.
  • 871
  • 05 May 2022
Topic Review
Concept of the Robo-Advisor with Digital Twin
The term “digital twin” (DT) refers to a digital representation of an individual that has the capability of integrating any digital data with virtually real-time data and generating advanced analytics for feedback, recommendation, and alternative solutions for users. 
  • 871
  • 11 May 2022
Topic Review
Internet of Medical Things applications
The Internet of Things (IoT) have been adopted by several areas of the society, such as smart transportation systems, smart cities, smart agriculture, smart energy and smart healthcare. The healthcare is an area that takes a lot of benefits from IoT technology (composing the Internet of Medical Things (IoMT)), since low cost devices and sensors can be use to create medical assistance systems, reducing the deployment and maintenance costs, and at the same time, improving the patients and their family quality of life. However, only IoT is not able to support the complexity of e-health applications. For instance, sensors can generate large amount of data, and the IoT devices do not have enough computational capabilities to process and store these data. Thus, the cloud and fog technologies emerge to mitigate the IoT limitations, expanding the IoMT applications capacities. The cloud computing provides virtual unlimited computational resources, while the fog push the resources closest to the end users, reducing the data transfer latency. Therefore, the IoT, fog, and cloud computing integration provides a robust environment to e-health systems deployment, allowing a plenty of different types of IoMT applications. In this topic review, we present an overview of a systematic mapping with the goal to overview the current state-of-the-art in IoMT applications using IoT, fog and cloud infrastructures.
  • 870
  • 23 Dec 2020
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