Nicolas Nicolaou
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View article: Poultry Farm Intelligence: An Integrated Multi-Sensor AI Platform for Enhanced Welfare and Productivity
Poultry Farm Intelligence: An Integrated Multi-Sensor AI Platform for Enhanced Welfare and Productivity Open
Poultry farming faces increasing pressure to meet productivity targets while ensuring animal welfare and environmental compliance. Yet many small and medium-sized farms lack affordable, integrated tools for continuous monitoring and decisi…
View article: Tight Conditions for Binary-Output Tasks under Crashes
Tight Conditions for Binary-Output Tasks under Crashes Open
This paper explores necessary and sufficient system conditions to solve distributed tasks with binary outputs (\textit{i.e.}, tasks with output values in $\{0,1\}$). We focus on the distinct output sets of values a task can produce (intent…
View article: Treatment choices for recurrent patellar instability in children and adolescents
Treatment choices for recurrent patellar instability in children and adolescents Open
Chronic patellofemoral instability is common in children and adolescents. While it may follow a single traumatic injury to an otherwise healthy and anatomically normal knee, several predisposing anatomical risk factors are often present. T…
View article: KeepA(n)I: Social Stereotypes in and Social Norms for Computer Vision
KeepA(n)I: Social Stereotypes in and Social Norms for Computer Vision Open
The KeepA(n)I platform facilitates the auditing of computer vision systems that tag images, which aid visual communication on the Web and social media, from content moderation to the development of new apps and tools. In particular, KeepA(…
View article: The protocol for a multicentre prospective randomized noninferiority trial of surgical reduction versus non-surgical casting for displaced distal radius fractures in children
The protocol for a multicentre prospective randomized noninferiority trial of surgical reduction versus non-surgical casting for displaced distal radius fractures in children Open
Aims The remarkable capacity for distal radius fractures in children to remodel raises questions about the necessity and extent of the intervention required to achieve anatomical alignment. The British Society of Children’s Orthopaedic Sur…
View article: A Multiple Compression Approach using Attribute-based Signatures
A Multiple Compression Approach using Attribute-based Signatures Open
Background With the increasing volume of data collected for advanced analytical and AI applications, data storage remains a significant challenge. Despite advancements in storage technologies, the cost of maintaining vast datasets continue…
View article: Immersive virtual reality rehabilitation after lower limb surgery in paediatric patients
Immersive virtual reality rehabilitation after lower limb surgery in paediatric patients Open
Purpose Patients who have undergone lower limb surgery require rehabilitation to regain movement and function in the affected leg. Unfortunately, physical rehabilitation can be painful, reducing compliance and recovery. This feasibility st…
View article: Poultry Farm Intelligence: An Integrated Multi-Sensor Ai Platform for Enhanced Welfare and Productivity
Poultry Farm Intelligence: An Integrated Multi-Sensor Ai Platform for Enhanced Welfare and Productivity Open
View article: AMECOS: A Modular Event-Based Framework for Concurrent Object Specification
AMECOS: A Modular Event-Based Framework for Concurrent Object Specification Open
In this work, we introduce a modular framework for specifying distributed systems that we call AMECOS. Specifically, our framework departs from the traditional use of sequential specification, which presents limitations both on the specifi…
View article: An increase in paediatric arthroscopy in Europe: Experience of the EPOS Sport Study Group
An increase in paediatric arthroscopy in Europe: Experience of the EPOS Sport Study Group Open
Purpose: Paediatric musculoskeletal injuries in association with increased participation in sports activities continue to increase. Arthroscopy is recognized as a safe and effective procedure in children. This study aims to identify trends…
View article: Towards understanding animal welfare by observing collective flock behaviors via AI-powered Analytics
Towards understanding animal welfare by observing collective flock behaviors via AI-powered Analytics Open
View article: Tracing the Latencies of Ares: A DSM Case Study
Tracing the Latencies of Ares: A DSM Case Study Open
Distributed tracing is a method used to monitor applications by tracking and visualizing requests as they move across various components and services in a distributed system. Despite being widely adopted in major cloud-computing applicatio…
View article: AMECOS: A Modular Event-based Framework for Concurrent Object Specification
AMECOS: A Modular Event-based Framework for Concurrent Object Specification Open
In this work, we introduce a modular framework for specifying distributed systems that we call AMECOS. Specifically, our framework departs from the traditional use of sequential specification, which presents limitations both on the specifi…
View article: Arthroscopic repair of proximal anterior cruciate ligament tears in children and adolescents: A systematic review
Arthroscopic repair of proximal anterior cruciate ligament tears in children and adolescents: A systematic review Open
Purpose: Anterior cruciate ligament repair techniques are of growing interest because they allow for minimally invasive surgery that avoids harvesting of the transplant, without risking growth deficiencies in young patients. The aim of thi…
View article: Ares II: Tracing the Flaws of a (Storage) God
Ares II: Tracing the Flaws of a (Storage) God Open
Ares is a modular framework, designed to implement dynamic, reconfigurable, fault-tolerant, read/write and strongly consistent distributed shared memory objects. Recent enhancements of the framework have realized the efficient implementati…
View article: Auditing Machine Behaviors: Does a diverse crowd result in different social norms?
Auditing Machine Behaviors: Does a diverse crowd result in different social norms? Open
Many intelligent systems depend on black-box services for achieving goals. For example, Decision Support Systems (DSS) incorporate image tagging services for translating the content of an image into useful information that serves the purpo…
View article: Application of machine learning on optical fibre distributed sensing for power line applications
Application of machine learning on optical fibre distributed sensing for power line applications Open
We present a study on the application of machine learning to optical fibre distributed sensing, with data recovered using a state-of-the-art, commercial BOTDR distributed sensing system; temperature information was extracted from the power…
View article: Power cable simulation of failure through temperature monitoring of optical fibres with a state-of-the-art distributed sensing instrument
Power cable simulation of failure through temperature monitoring of optical fibres with a state-of-the-art distributed sensing instrument Open
In this work we utilize multimode optical fibers for the detection of simulated errors or failures in underground power cables. It is known that in cases of failure the underground transmission cables overheat locally, they become a hot-sp…
View article: EAC power distribution line cable monitoring using state-of-the-art distributed sensing instruments
EAC power distribution line cable monitoring using state-of-the-art distributed sensing instruments Open
We examine the use of state-of-the-art distributed sensing systems to extract temperature information from the optical fibre infrastructure already of the Electricity Authority of Cyprus power distribution network (~25-year old installatio…
View article: Osteochondritis dissecans of the knee: Epidemiology, etiology, and natural history
Osteochondritis dissecans of the knee: Epidemiology, etiology, and natural history Open
Osteochondritis dissecans of the knee is a disease that typically affects skeletally immature patients. Clinically manifested with knee pain, limping, and joint disfunction, this condition has remained misunderstood and undervalued for a l…
View article: Surgical techniques in the management of pediatric anterior cruciate ligament tears: Current concepts
Surgical techniques in the management of pediatric anterior cruciate ligament tears: Current concepts Open
Background: Anterior cruciate ligament injury in the child and adolescent patient remains a controversial topic when considering management, especially regarding surgical choices. Treatment variations are seen not just when comparing diffe…
View article: Current concepts in the treatment of first-time patella dislocation in children and adolescents
Current concepts in the treatment of first-time patella dislocation in children and adolescents Open
Background: Lateral dislocation of the patella is a common injury in children. It can occur in previously healthy and anatomically normal knees, but there are several abnormalities that predispose to patellar instability. Magnetic resonanc…
View article: Pediatric Meniscal Surgery in Italy:A 10-Year Epidemiological Nationwide Registry Study
Pediatric Meniscal Surgery in Italy:A 10-Year Epidemiological Nationwide Registry Study Open
View article: Immobilisation of torus fractures of the wrist in children (FORCE): a randomised controlled equivalence trial in the UK
Immobilisation of torus fractures of the wrist in children (FORCE): a randomised controlled equivalence trial in the UK Open
UK National Institute for Health and Care Research.
View article: Validated Objects: Specification, Implementation, and Applications
Validated Objects: Specification, Implementation, and Applications Open
Guaranteeing the validity of concurrent operations on distributed objects is a key property for ensuring reliability and consistency in distributed systems. Usually, the methods for validating these operations, if present, are wired in the…
View article: Fragmented ARES: Dynamic Storage for Large Objects
Fragmented ARES: Dynamic Storage for Large Objects Open
Data availability is one of the most important features in distributed storage systems, made possible by data replication. Nowadays data are generated rapidly and developing efficient, scalable and reliable storage systems has become one o…
View article: Estimating Active Cases of COVID-19
Estimating Active Cases of COVID-19 Open
Having accurate and timely data on active COVID-19 cases is challenging, since it depends on the availability of an appropriate infrastructure to perform tests and aggregate their results. In this paper, we consider a case to be active if …
View article: Consistent Distributed Storage
Consistent Distributed Storage Open
View article: The CoronaSurveys System for COVID-19 Incidence Data Collection and Processing
The CoronaSurveys System for COVID-19 Incidence Data Collection and Processing Open
CoronaSurveys is an ongoing interdisciplinary project developing a system to infer the incidence of COVID-19 around the world using anonymous open surveys. The surveys have been translated into 60 languages and are continuously collecting …
View article: Estimating the COVID-19 Prevalence in Spain With Indirect Reporting via Open Surveys
Estimating the COVID-19 Prevalence in Spain With Indirect Reporting via Open Surveys Open
During the initial phases of the COVID-19 pandemic, accurate tracking has proven unfeasible. Initial estimation methods pointed toward case numbers that were much higher than officially reported. In the CoronaSurveys project, we have been …