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Статті в журналах з теми "Proof system interoperability"
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Lemus-Zúñiga, Lenin-Guillermo, Juan M. Félix, Alvaro Fides-Valero, José-Vte Benlloch-Dualde, and Antonio Martinez-Millana. "A Proof-of-Concept IoT System for Remote Healthcare Based on Interoperability Standards." Sensors 22, no. 4 (February 19, 2022): 1646. http://dx.doi.org/10.3390/s22041646.
Повний текст джерелаАнотація:
The Internet of Things paradigm in healthcare has boosted the design of new solutions for the promotion of healthy lifestyles and the remote care. Thanks to the effort of academia and industry, there is a wide variety of platforms, systems and commercial products enabling the real-time information exchange of environmental data and people’s health status. However, one of the problems of these type of prototypes and solutions is the lack of interoperability and the compromised scalability in large scenarios, which limits its potential to be deployed in real cases of application. In this paper, we propose a health monitoring system based on the integration of rapid prototyping hardware and interoperable software to build system capable of transmitting biomedical data to healthcare professionals. The proposed system involves Internet of Things technologies and interoperablility standards for health information exchange such as the Fast Healthcare Interoperability Resources and a reference framework architecture for Ambient Assisted Living UniversAAL.
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Klausen, Tobias, Valentin Hartig, Dominik Fuchs, Nils Krueger, Vincent Melchior Jeltsch, Raffael Bild, and Raphael Scheible. "A Digital Vaccination Pass Using Fast Healthcare Interoperability Resources: A Proof of Concept." Digital 4, no. 2 (April 24, 2024): 389–409. http://dx.doi.org/10.3390/digital4020019.
Повний текст джерелаАнотація:
The traditional manual recording of vaccination records in Germany faced challenges during the COVID-19 pandemic, prompting the introduction of a COVID smartphone app with QR codes. However, this solution brought new challenges, emphasizing the need for a centrally managed European digital vaccination record for efficiency and validity. This study assesses the feasibility of using the HL7 FHIR standard in the healthcare industry for implementing a digital vaccination pass management and monitoring system. The system aims to offer convenience and improved efficiency for both patients and healthcare providers while promoting interoperability with other healthcare systems. To this end, we developed a prototype using modern technologies, such as React, Quarkus, and Keycloak. Results indicate potential benefits for patients and healthcare providers, offering access to immunization records, personalized recommendations, and streamlined management. However, integrating nuanced vaccination processes into the standardized FHIR system requires custom extensions, which might hinder interoperability. Manual data entry and the integration of an identity provider present further obstacles in industry scenarios. Despite these challenges, this study suggests that implementing HL7 FHIR can enhance efficiency, data accessibility, and accuracy in the vaccination process, supporting broader digitization efforts in the German healthcare system and beyond.
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Kumar, Adarsh, Deepak Kumar Sharma, Anand Nayyar, Saurabh Singh, and Byungun Yoon. "Lightweight Proof of Game (LPoG): A Proof of Work (PoW)’s Extended Lightweight Consensus Algorithm for Wearable Kidneys." Sensors 20, no. 10 (May 19, 2020): 2868. http://dx.doi.org/10.3390/s20102868.
Повний текст джерелаАнотація:
In healthcare, interoperability is widely adopted in the case of cross-departmental or specialization cases. As the human body demands multiple specialized and cross-disciplined medical experiments, interoperability of business entities like different departments, different specializations, the involvement of legal and government monitoring issues etc. are not sufficient to reduce the active medical cases. A patient-centric system with high capability to collect, retrieve, store or exchange data is the demand for present and future times. Such data-centric health processes would bring automated patient medication, or patient self-driven trusted and high satisfaction capabilities. However, data-centric processes are having a huge set of challenges such as security, technology, governance, adoption, deployment, integration etc. This work has explored the feasibility to integrate resource-constrained devices-based wearable kidney systems in the Industry 4.0 network and facilitates data collection, liquidity, storage, retrieval and exchange systems. Thereafter, a Healthcare 4.0 processes-based wearable kidney system is proposed that is having the blockchain technology advantages. Further, game theory-based consensus algorithms are proposed for resource-constrained devices in the kidney system. The overall system design would bring an example for the transition from the specialization or departmental-centric approach to data and patient-centric approach that would bring more transparency, trust and healthy practices in the healthcare sector. Results show a variation of 0.10 million GH/s to 0.18 million GH/s hash rate for the proposed approach. The chances of a majority attack in the proposed scheme are statistically proved to be minimum. Further Average Packet Delivery Rate (ADPR) lies between 95% to 97%, approximately, without the presence of outliers. In the presence of outliers, network performance decreases below 80% APDR (to a minimum of 41.3%) and this indicates that there are outliers present in the network. Simulation results show that the Average Throughput (AT) value lies between 120 Kbps to 250 Kbps.
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Trivedi, Sapna, Stephen Hall, Fiona Inglis, and Afzal Chaudhry. "Proof-of-concept solution to create an interoperable timeline of healthcare data." BMJ Health & Care Informatics Online 30, no. 1 (November 2023): e100754. http://dx.doi.org/10.1136/bmjhci-2023-100754.
Повний текст джерелаАнотація:
ObjectivesTo overcome the barriers of interoperability by sharing simulated patient data from different electronic health records systems and presenting them in an intuitive timeline of events.MethodsThe ‘Patient Story’ software comprising database and blockchain, PS Timeline Windows interface, PS Timeline Web interface and network relays on Azure cloud was customised for Epic and Lorenzo electonic patient record (EPR) systems used at different hospitals, using site-specific adapters.ResultsEach site could view their own clinical documents and view each other’s site specific, fully coded test sets of (Care Connect) medications, conditions and allergies, in an aggregated single view.DiscussionThis work has shown that clinical data from different EPR systems can be successfully integrated and visualised on a single timeline, accessible by clinicians and patients.ConclusionThe Patient Story system combined the timeline visualisation with successful interoperability across healthcare settings, as well giving patients the ability to directly interact with their timeline.
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Bai, Tianyu, Yangsheng Hu, Jianfeng He, Hongbo Fan, and Zhenzhou An. "Health-zkIDM: A Healthcare Identity System Based on Fabric Blockchain and Zero-Knowledge Proof." Sensors 22, no. 20 (October 11, 2022): 7716. http://dx.doi.org/10.3390/s22207716.
Повний текст джерелаАнотація:
The issue of identity authentication for online medical services has been one of the key focuses of the healthcare industry in recent years. Most healthcare organizations use centralized identity management systems (IDMs), which not only limit the interoperability of patient identities between institutions of healthcare, but also create isolation between data islands. The more important matter is that centralized IDMs may lead to privacy disclosure. Therefore, we propose Health-zkIDM, a decentralized identity authentication system based on zero-knowledge proof and blockchain technology, which allows patients to identify and verify their identities transparently and safely in different health fields and promotes the interaction between IDM providers and patients. The users in Health-zkIDM are uniquely identified by one ID registered. The zero-knowledge proof technology is deployed on the client, which provides the user with a proof of identity information and automatically verifies the user’s identity after registration. We implemented chaincodes on the Fabric, including the upload of proof of identity information, identification, and verification functions. The experiences show that the performance of the Health-zkIDM system can achieve throughputs higher than 400 TPS in Caliper.
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L'Amrani, Hasnae, Younès El Bouzekri El Idrissi, and Rachida Ajhoun. "Technical Interoperability to Solve Cross-Domain Issues Among Federation Systems." International Journal of Smart Security Technologies 7, no. 1 (January 2020): 21–40. http://dx.doi.org/10.4018/ijsst.2020010102.
Повний текст джерелаАнотація:
Digital identity management with the metamorphosis of web services enforces new security challenges. A set of identity management systems exists to deal with these identities, alongside the goal of improving user experience and gain secure access. Nowadays, one faces a large number of heterogeneous identity management approaches. This study treated several identity management systems. The federated system makes proof of it eligibility for the identity management. Thus, the researcher interest is on the federated model. Since it consists of the distribution of digital identity between different security domains. The base of security domains is a trust agreement between the entities in communication. Federated identity management faces the problem of interoperability between heterogeneous federated systems. This study is an approach of a technical interoperability between the federations. The authors propose an approach that will permit inter-operation and exchange identity information among heterogeneous federations.
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Müller, Alexander, Hannah Haneke, Valerie Kirchberger, Giulio Mastella, Michael Dommasch, Uta Merle, Oliver Heinze, et al. "Integration of mobile sensors in a telemedicine hospital system: remote-monitoring in COVID-19 patients." Journal of Public Health 30, no. 1 (October 15, 2021): 93–97. http://dx.doi.org/10.1007/s10389-021-01655-2.
Повний текст джерелаАнотація:
Abstract Aim The goal is to design and, in a next step, establish a scalable, multi-center telemonitoring platform based on existing systems for monitoring COVID-19 patients in home quarantine. In particular, the focus will be on raw data acquisition, integration of sensor data into the hospital system, structured data storage, and interoperability. Subject and methods Data necessary for monitoring, otherwise provided in various portals, will be continuously queried and integrated into the hospital system via a new interface in this proof-of-concept work. Results Based on extensive preliminary work at Klinikum rechts der Isar with a structured clinical database, we extend our system’s integration of raw data and visualization in dashboards, as well as scientific provision of data from mobile sensors for monitoring patients in home quarantine. Conclusion Based on existing integrated telemonitoring systems supporting semantic and syntactic interoperability, short-term provision of scientific databases is possible. The integration of different mobile sensors into a clinical system for remote monitoring of patients around the clock is still new and to our knowledge unique.
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Rolan, Gregory. "Towards interoperable recordkeeping systems." Records Management Journal 27, no. 2 (July 17, 2017): 125–48. http://dx.doi.org/10.1108/rmj-09-2016-0027.
Повний текст джерелаАнотація:
Purpose The purpose of this paper is to introduce an infrastructural approach to metadata modelling and a generalised meta-model for recordkeeping metadata. This meta-model is an attempt to support interoperability between disparate systems, and particularly, between sets of ostensibly incommensurate record documentation. Design/methodology/approach The investigation used a reflective design-science investigation comprising interviews adaptive literature review, creation of conceptual models and the design and instantiation of a proof-of-concept system. Findings The investigation confirms that recordkeeping interoperability between disparate ontologies is achievable through a meta-model approach. In particular, the meta-model carefully defines relationships between entities with specific semantics that enable the development of interoperable domain schemas. Practical implications A meta-model for recordkeeping metadata facilitates the development of recordkeeping systems that possess interoperability-by-design. Social implications Recordkeeping systems that conform to the meta-model can, therefore, transcend the immediate transactional context and support participatory recordkeeping in terms of a plurality of stakeholder world views and agency in records. Originality/value This paper is one of the few reporting design-science approaches to recordkeeping informatics and one that has used a meta-model approach for recordkeeping metadata design. In contrast to most empirically determined metadata schemas, the top-down design approach has produced a schema from a wide variety of ontological sources.
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Motta, Lucas L., Luiz C. B. C. Ferreira, Thales W. Cabral, Dimas A. M. Lemes, Gustavo dos S. Cardoso, Andreza Borchardt, Paulo Cardieri, et al. "General Overview and Proof of Concept of a Smart Home Energy Management System Architecture." Electronics 12, no. 21 (October 29, 2023): 4453. http://dx.doi.org/10.3390/electronics12214453.
Повний текст джерелаАнотація:
This paper proposes and implements a smart architecture for Home Energy Management Systems (HEMS) that enables interoperability among devices from different manufacturers. This is achieved through the use of standardized elements and the design of an innovative middleware. The system comprises a control unit that communicates with smart outlets using the Wireless Smart Ubiquitous Network (WI-SUN) Home Area Network (HAN) specification, while smart metering is achieved using the WI-SUN Field Area Network (FAN) specification. To manage important data, a web platform and mobile app were created. Additionally, machine learning techniques are utilized to identify energy consumption of individual appliances when only the aggregate energy consumption of the house is available. The architecture presented here supports real-time control of energy use and generation through HEMS, and new devices can be added transparently. Finally, a comparison of the proposed system with similar systems in literature highlights its many advantages in terms of functionality.
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Hylock, Ray Hales, and Xiaoming Zeng. "A Blockchain Framework for Patient-Centered Health Records and Exchange (HealthChain): Evaluation and Proof-of-Concept Study." Journal of Medical Internet Research 21, no. 8 (August 31, 2019): e13592. http://dx.doi.org/10.2196/13592.
Повний текст джерелаАнотація:
Background Blockchain has the potential to disrupt the current modes of patient data access, accumulation, contribution, exchange, and control. Using interoperability standards, smart contracts, and cryptographic identities, patients can securely exchange data with providers and regulate access. The resulting comprehensive, longitudinal medical records can significantly improve the cost and quality of patient care for individuals and populations alike. Objective This work presents HealthChain, a novel patient-centered blockchain framework. The intent is to bolster patient engagement, data curation, and regulated dissemination of accumulated information in a secure, interoperable environment. A mixed-block blockchain is proposed to support immutable logging and redactable patient blocks. Patient data are generated and exchanged through Health Level-7 Fast Healthcare Interoperability Resources, allowing seamless transfer with compliant systems. In addition, patients receive cryptographic identities in the form of public and private key pairs. Public keys are stored in the blockchain and are suitable for securing and verifying transactions. Furthermore, the envisaged system uses proxy re-encryption (PRE) to share information through revocable, smart contracts, ensuring the preservation of privacy and confidentiality. Finally, several PRE improvements are offered to enhance performance and security. Methods The framework was formulated to address key barriers to blockchain adoption in health care, namely, information security, interoperability, data integrity, identity validation, and scalability. It supports 16 configurations through the manipulation of 4 modes. An open-source, proof-of-concept tool was developed to evaluate the performance of the novel patient block components and system configurations. To demonstrate the utility of the proposed framework and evaluate resource consumption, extensive testing was performed on each of the 16 configurations over a variety of scenarios involving a variable number of existing and imported records. Results The results indicate several clear high-performing, low-bandwidth configurations, although they are not the strongest cryptographically. Of the strongest models, one’s anticipated cumulative record size is shown to influence the selection. Although the most efficient algorithm is ultimately user specific, Advanced Encryption Standard–encrypted data with static keys, incremental server storage, and no additional server-side encryption are the fastest and least bandwidth intensive, whereas proxy re-encrypted data with dynamic keys, incremental server storage, and additional server-side encryption are the best performing of the strongest configurations. Conclusions Blockchain is a potent and viable technology for patient-centered access to and exchange of health information. By integrating a structured, interoperable design with patient-accumulated and generated data shared through smart contracts into a universally accessible blockchain, HealthChain presents patients and providers with access to consistent and comprehensive medical records. Challenges addressed include data security, interoperability, block storage, and patient-administered data access, with several configurations emerging for further consideration regarding speed and security.
Дисертації з теми "Proof system interoperability"
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Cauderlier, Raphaël. "Object-Oriented Mechanisms for Interoperability Between Proof Systems." Thesis, Paris, CNAM, 2016. http://www.theses.fr/2016CNAM1065/document.
Повний текст джерелаАнотація:
Dedukti est un cadre logique résultant de la combinaison du typage dépendant et de la réécriture. Il permet d'encoder de nombreux systèmes logiques au moyen de plongements superficiels qui préservent la notion de réduction. Ces traductions de systèmes logiques dans un format commun sont une première étape nécessaire à l'échange de preuves entre ces systèmes. Cet objectif d'interopérabilité des systèmes de preuve est la motivation principale de cette thèse. Pour y parvenir, nous nous inspirons du monde des langages de programmation et plus particulièrement des langages orientés-objet parce qu'ils mettent en œuvre des mécanismes avancés d'encapsulation, de modularité et de définitions par défaut. Pour cette raison, nous commençons par une traduction superficielle d'un calcul orienté-objet en Dedukti. L'aspect le plus intéressant de cette traduction est le traitement du sous-typage. Malheureusement, ce calcul orienté-objet ne semble pas adapté à l'incorporation de traits logiques. Afin de continuer, nous devons restreindre les mécanismes orientés-objet à des mécanismes statiques, plus faciles à combiner avec la logique et apparemment suffisant pour notre objectif d'interopérabilité. Une telle combinaison de mécanismes orientés-objet et de logique est présente dans l'environnement FoCaLiZe donc nous proposons un encodage superficiel de FoCaLiZe dans Dedukti. Les difficultés principales proviennent de l'intégration de Zenon, le prouveur automatique de théorèmes sur lequel FoCaLiZe repose, et de la traduction du langage d'implantation fonctionnel de FoCaLiZe qui présente deux constructions qui n'ont pas de correspondance simple en Dedukti : le filtrage de motif local et la récursivité. Nous démontrons finalement comment notre encodage de FoCaLiZe dans Dedukti peut servir en pratique à l'interopérabilité entre des systèmes de preuve à l'aide de FoCaLiZe, Zenon et Dedukti. Pour éviter de trop renforcer la théorie dans laquelle la preuve finale est obtenue, nous proposons d'utiliser Dedukti en tant que méta-langage pour éliminer des axiomes superflusDedukti is a Logical Framework resulting from the combination ofdependent typing and rewriting. It can be used to encode many logical systems using shallow embeddings preserving their notion of reduction. These translations of logical systems in a common format are a necessary first step for exchanging proofs between systems. This objective of interoperability of proof systems is the main motivation of this thesis.To achieve it, we take inspiration from the world of programming languages and more specifically from object-oriented languages because they feature advanced mechanisms for encapsulation, modularity, and default definitions. For this reason we start by a shallow translation of an object calculus to Dedukti. The most interesting point in this translation is the treatment of subtyping. Unfortunately, it seems very hard to incorporate logic in this object calculus. To proceed, object-oriented mechanisms should be restricted to static ones which seem enough for interoperability. Such a combination of static object-oriented mechanisms and logic is already present in the FoCaLiZe environment so we propose a shallow embedding of FoCaLiZe in Dedukti. The main difficulties arise from the integration of FoCaLiZe automatic theorem prover Zenon and from the translation of FoCaLiZe functional implementation language featuring two constructs which have no simple counterparts in Dedukti: local pattern matching and recursion. We then demonstrate how this embedding of FoCaLiZe to Dedukti can be used in practice for achieving interoperability of proof systems through FoCaLiZe, Zenon, and Dedukti. In order to avoid strengthening to much the theory in which the final proof is expressed, we use Dedukti as a meta-language for eliminating unnecessary axioms
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Cauderlier, Raphaël. "Object-Oriented Mechanisms for Interoperability Between Proof Systems." Electronic Thesis or Diss., Paris, CNAM, 2016. http://www.theses.fr/2016CNAM1065.
Повний текст джерелаАнотація:
Dedukti est un cadre logique résultant de la combinaison du typage dépendant et de la réécriture. Il permet d'encoder de nombreux systèmes logiques au moyen de plongements superficiels qui préservent la notion de réduction. Ces traductions de systèmes logiques dans un format commun sont une première étape nécessaire à l'échange de preuves entre ces systèmes. Cet objectif d'interopérabilité des systèmes de preuve est la motivation principale de cette thèse. Pour y parvenir, nous nous inspirons du monde des langages de programmation et plus particulièrement des langages orientés-objet parce qu'ils mettent en œuvre des mécanismes avancés d'encapsulation, de modularité et de définitions par défaut. Pour cette raison, nous commençons par une traduction superficielle d'un calcul orienté-objet en Dedukti. L'aspect le plus intéressant de cette traduction est le traitement du sous-typage. Malheureusement, ce calcul orienté-objet ne semble pas adapté à l'incorporation de traits logiques. Afin de continuer, nous devons restreindre les mécanismes orientés-objet à des mécanismes statiques, plus faciles à combiner avec la logique et apparemment suffisant pour notre objectif d'interopérabilité. Une telle combinaison de mécanismes orientés-objet et de logique est présente dans l'environnement FoCaLiZe donc nous proposons un encodage superficiel de FoCaLiZe dans Dedukti. Les difficultés principales proviennent de l'intégration de Zenon, le prouveur automatique de théorèmes sur lequel FoCaLiZe repose, et de la traduction du langage d'implantation fonctionnel de FoCaLiZe qui présente deux constructions qui n'ont pas de correspondance simple en Dedukti : le filtrage de motif local et la récursivité. Nous démontrons finalement comment notre encodage de FoCaLiZe dans Dedukti peut servir en pratique à l'interopérabilité entre des systèmes de preuve à l'aide de FoCaLiZe, Zenon et Dedukti. Pour éviter de trop renforcer la théorie dans laquelle la preuve finale est obtenue, nous proposons d'utiliser Dedukti en tant que méta-langage pour éliminer des axiomes superflusDedukti is a Logical Framework resulting from the combination ofdependent typing and rewriting. It can be used to encode many logical systems using shallow embeddings preserving their notion of reduction. These translations of logical systems in a common format are a necessary first step for exchanging proofs between systems. This objective of interoperability of proof systems is the main motivation of this thesis.To achieve it, we take inspiration from the world of programming languages and more specifically from object-oriented languages because they feature advanced mechanisms for encapsulation, modularity, and default definitions. For this reason we start by a shallow translation of an object calculus to Dedukti. The most interesting point in this translation is the treatment of subtyping. Unfortunately, it seems very hard to incorporate logic in this object calculus. To proceed, object-oriented mechanisms should be restricted to static ones which seem enough for interoperability. Such a combination of static object-oriented mechanisms and logic is already present in the FoCaLiZe environment so we propose a shallow embedding of FoCaLiZe in Dedukti. The main difficulties arise from the integration of FoCaLiZe automatic theorem prover Zenon and from the translation of FoCaLiZe functional implementation language featuring two constructs which have no simple counterparts in Dedukti: local pattern matching and recursion. We then demonstrate how this embedding of FoCaLiZe to Dedukti can be used in practice for achieving interoperability of proof systems through FoCaLiZe, Zenon, and Dedukti. In order to avoid strengthening to much the theory in which the final proof is expressed, we use Dedukti as a meta-language for eliminating unnecessary axioms
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Thiré, François. "Interoperability between proof systems using the logical framework Dedukti." Electronic Thesis or Diss., université Paris-Saclay, 2020. http://www.theses.fr/2020UPASG053.
Повний текст джерелаАнотація:
Il existe aujourd'hui une large famille de systèmes de preuve baséesur différentes logiques: Le calcul des constructions inductives, lalogique d'ordre supérieur, la théorie des ensembles, etc... Undésavantage majeur de cette diversité est, que les théorèmes sontprouvés de nombreuses fois. Une possibilité pour résoudre ce problèmeest de rendre les systèmes de preuve interoperables. Dans cette thèse,nous avons attaqué le problème d'interopérabilité entre systèmes depreuve aussi bien sur le plan théorique que le plan pratique enutilisant le cadre logique Dedukti.Notre voyage commence avec l'exploration des systèmes de typescumulatifs (CTS), une famille de systèmes de type qui étend celle dessystèmes de types pures avec une relation de sous-typage. Les CTSfournissent aujourd'hui une squelette commun a beaucoup de logiquesutilisés aujourd'hui. Les logiques derrières les systèmes Coq,HOL-Light, Lean, Matita ou bien PVS peuvent toutes être vues comme desextensions des CTS avec des fonctionnalités différentes (typesinductifs, irrelevance de la preuve, sous-typage propositionnel,...). Nous définissons une nouvelle notion de traduction entreCTS. Entre autre, nous expliquons un nouvel algorithme (correct maisincomplet) pour déterminer si une preuve écrite dans un CTS peut-êtretraduire dans un autre CTS. Cet algorithme peut aussi être vu commeune extension de l'algorithme de Coq qui permet de vérifier qu'unensemble de contraintes sur les univers est cohérent. Finalement, nousproposons un nouvel encodage des CTS dans Dedukti et nous prouvonsque cet encodage est correct. Ces résultats montrent que Dedukti estun cadre logique approprié sur le plan théorique pour étudierl'interopérabilité entre systèmes de preuve.Nous poursuivons notre voyage avec une étude de cas: le petit théorèmede Fermat prouvé en Matita. Nous montrons comment nous avons putraduire cette preuve vers différents systèmes à travers le cadrelogique Dedukti. Cette traduction se repose principalement sur deuxoutils que nous avons créees :- Dkmeta qui permet d'utiliser la réécriture comme un langage à partentière pour écrire des traductions de preuves. Un avantage de cetoutil est qu'il ré-utilise la syntaxe de Dedukti.- Universo, un outil qui permet d'implémenter l'algorithme mentionnéprécédemment qui permet de traduire une preuve d'un CTS (en Dedukti)vers un autre.Cette procédure semi-automatique permet de traduire la preuve du petitthéorème de Fermat dans une logique assez faible mais expressive quel'on appelle STTforall. STTforall est une version constructive de lathéorie des types simples avec du polymorphisme prénexe. La simplicitéde cette logique permet d'exporter des preuves de STTforall vers denombreux systèmes de preuve. Cette étude de cas montre que Deduktiest tout aussi efficace en tant qu'outil pour faire del'interopérabilité sur le plan pratique.Les outils que nous avons développés dans cette thèse ne sont passpécifiques à cette traduction et peuvent être réutilisés pourd'autres systèmes de preuve dont un encodage en Dedukti est connu(comme Coq ou bien Agda).Finalement, nous concluons ce voyage avec l'exportation du petitthéorème de Fermat vers cinq systèmes de preuve différents: Coq, Lean,Matita, OpenTheory (membre de la famille des systèmes de preuve basésur la logique d'ordre supérieure) et PVS. Cette traduction estdisponible via un site web appelé Logipedia.Logipedia n'a pas été créé seulement pour cette traduction mais avecl'objectif de contenir beaucoup plus de preuves que l'on pourraitpartager entre plusieurs systèmes de preuves. Cela rendrait Logipediaalors une encyclopédie de preuves formelles en ligneThere is today a large family of proof systems based upon variouslogics: The Calculus of Inductive Constructions, Higher-Order logic orSet theory, etc. The diversity of proof systems has the negativeconsequence that theorems are formalized many times. One way toovercome this issue would be to make proof systems interoperable. Inthis thesis, we have tackled the interoperability problem for proofsystems both on the theoretical and the practical side using theDedukti logical framework.We begin our journey by looking at Cumulative Type Systems (CTS), afamily of type systems which extends that of Pure Type Systemswith a subtyping relation. CTS provides a common skeleton to manylogics used today. The logic behind Coq, HOL-Light, Lean, Matita orPVS can be seen as an extension of CTS with various features(inductive types, proof irrelevance, predicate subtyping, …). Wedefine a new notion of embedding between CTS. We also provide a soundbut incomplete algorithm to decide whether a proof in one CTS can betranslated into another CTS. This algorithm can also be seen as anextension of Coq's algorithm to check that the floating universeconstraints are consistent. Then, we propose a new embedding of CTSinto Dedukti and give a soundness proof of this embedding. Theseresults show that Dedukti is suitable for studying interoperability onthe theoretical side.We continue our journey on a case of study: The proof of Fermat'slittle theorem written in Matita. We show how we were able totranslate this proof to various proof systems through Dedukti. Thistranslation mainly relies on two tools created for this purpose:— Dkmeta, a tool which proposes to use rewriting as a way to writeproofs transformation programs. One advantage of this tool is that itreuses the syntax of Dedukti itself.— Universo, a tool which implements the aforementioned algorithm whichallows to translate a proof in one CTS (written in Dedukti) toanother.This semi-automatic translation allows to translate the proof ofFermat's little theorem into a weak but expressive logic calledSTTforall. STTforall is a constructive version of Simple Type Theorywith prenex polymorphism. As a consequence, a proof in STTforall canbe exported easily to many proof systems. This case of study showsthat Dedukti is also suitable for interoperability on the practicalside.The tools used for these transformations could be reused also forproofs coming from other proof systems for which an encoding inDedukti is known (such as Coq or Agda).The journey ends with the exportation of the proof of Fermat's littletheorem encoded in STTforall towards 5 different proof systems: Coq,Lean, Matita, OpenTheory (a member of the HOL-family proof systems)and PVS. We have implemented a user interface for that via a websitecalled Logipedia.Logipedia was designed with the goal of containing many more proofs thatcould be shared between proof systems and as such is intended to be anencyclopedia of formal proofs
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Felicissimo, Thiago. "Generic bidirectional typing in a logical framework for dependent type theories." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASG049.
Повний текст джерелаАнотація:
Les théories des types dépendants sont des systèmes formels qui peuvent être utilisés à la fois comme langages de programmation et pour la formalisation des mathématiques, et constituent la base de plusieurs assistants de preuve tels que Coq et Agda. Afin d'unifier leur étude, les Logical Frameworks (LFs) fournissent un méta-langage unifié permettant de définir ces théories, dans lequel diverses notions universelles sont intégrées par défaut et où des méta-théorèmes génériques peuvent être prouvés. Cette thèse se concentre sur les LFs conçus pour être implémentés, avec pour objectif de fournir des type-checkers génériques. Notre principale contribution est un nouveau LF permettant de représenter les théories des types avec leurs syntaxes non annotées habituelles. La clé pour permettre de supprimer des annotations sans compromettre la décidabilité du typage est l'intégration du typage bidirectionnel, une discipline dans laquelle le jugement de typage est décomposé en modes d'inférence et de checking. Si le typage bidirectionnel est déjà bien étudié dans la littérature, l'une des contributions centrales de notre travail est sa formulation dans un LF, ce qui donne un traitement générique pour toutes les théories définissables dans notre système. Notre proposition a été implémentée dans le type-checker générique BiTTs, permettant son utilisation avec diverses théories.En plus de notre contribution principale, nous proposons des avancés dans l'étude de Dedukti, un LF appartenant à la même famille que le système que nous proposons. Tout d'abord, nous revisitons le problème de la correction des encodages dans Dedukti en proposant une méthodologie qui permet de démontrer plus facilement la conservativité. De plus, nous montrons comment Dedukti peut être utilisé en pratique comme outil de traduction de preuves, en proposant une transformation pour partager des preuves avec des systèmes prédicatifs. Cette transformation a permis la traduction de preuves de Matita vers Agda, aboutissant aux toutes premières preuves en Agda du Petit Théorème de Fermat et du Postulat de BertrandDependent type theories are formal systems that can be used both as programming languages and for the formalization of mathematics, and constitute the foundation of popular proof assistants such as Coq and Agda. In order to unify their study, Logical Frameworks (LFs) provide a unified meta-language for defining such theories in which various universal notions are built in by default and metatheorems can be proven in a theory-independent way. This thesis focuses on LFs designed with implementation in mind, with the goal of providing generic type-checkers. Our main contribution is a new such LF which allows for representing type theories with their usual non-annotated syntaxes. The key to allowing the removal of annotations without jeopardizing decidability of typing is the integration of bidirectional typing, a discipline in which the typing judgment is decomposed into inference and checking modes. While bidirectional typing has been well known in the literature for quite some time, one of the central contributions of our work is that, by formulating it in an LF, we give it a generic treatment for all theories fitting our framework. Our proposal has been implemented in the generic type-checker BiTTs, allowing it to be used in practice with various theories. In addition to our main contribution, we also advance the study of Dedukti, a sibling LF of our proposed framework. First, we revisit the problem of showing that theories are correctly represented in Dedukti by proposing a methodology for encodings which allows for showing their conservativity easily. Furthermore, we demonstrate how Dedukti can be used in practice as a tool for translating proofs by proposing a transformation for sharing proofs with predicative systems. This transformation has allowed for the translation of proofs from Matita to Agda, yielding the first-ever Agda proofs of Fermat's Little Theorem and Bertrand's Postulate
Книги з теми "Proof system interoperability"
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Folino, Antonietta, and Roberto Guarasci, eds. Knowledge Organization and Management in the Domain of Environment and Earth Observation (KOMEEO). Ergon – ein Verlag in der Nomos Verlagsgesellschaft, 2022. http://dx.doi.org/10.5771/9783956508752.
Повний текст джерелаАнотація:
The volume contains the proceedings of the KOMEEO (Knowledge Organization and Management in the domain of Environment and Earth Observation) international conference, organized in the field of the European ERA-PLANET (The European Network for observing our changing Planet) H2020 program. Papers present research projects and experiences related to different aspects of organizing knowledge in the environmental domain, which nowadays is receiving great attention from the European Union. In particular, they address topics related to Knowledge Organization Systems (KOSs), to their application in specific contexts, to the extraction of metadata, to the achievement of semantic interoperability. With contributions by Richard Absalom, Prof. Stefano Allegrezza, Dr. Giovanna Aracri, Armando Bartucci, Dr. Assunta Caruso, Prof. Eugenio Casario, Dr. Maria Teresa Chiaravalloti, Sergio Cinnirella, Martin Critelli, Sabina Di Franco, Prof. Antonietta Folino, Dr. Claudia Lanza, Francesca M.C. Messiniti, Prof. Alexander Murzaku, Dr. Anna Perri, Dr. Erika Pasceri, Paolo Plini, Prof. Anna Rovella and Rosamaria Salvatori.
Частини книг з теми "Proof system interoperability"
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Dowek, Gilles. "From the Universality of Mathematical Truth to the Interoperability of Proof Systems." In Automated Reasoning, 8–11. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-10769-6_2.
Повний текст джерелаАнотація:
AbstractThe development of computerized proof systems, such as Coq, Matita, Agda, Lean, HOL 4, HOL Light, Isabelle/HOL, Mizar, etc. is a major step forward in the never ending quest of mathematical rigor.
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Dustdar, Schahram, Harald Gall, and Roman Schmidt. "Web Services for Groupware." In Service-Oriented Software System Engineering, 353–70. IGI Global, 2005. http://dx.doi.org/10.4018/978-1-59140-426-2.ch017.
Повний текст джерелаАнотація:
While some years ago the focus of many Groupware systems has been on the support of Web based information systems to support access with Web browsers, the focus today is shifting towards a programmatic access to software services, regardless of their location and the application used to manipulate those services. Whereas the goal of Web Computing has been to support group work on the Web (browser), Web services support for Groupware has the goal to provide interoperability between many Groupware systems. The contribution of this chapter is threefold: (1) to present a framework consisting of three levels of Web services for Groupware support, (2) to present a novel Web services management and configuration architecture with the aim of integrating various Groupware systems in one overall configurable architecture, and (3) to provide a use case scenario and preliminary proof -of-concept implementation. Our overall goal for this chapter is to provide a sound and flexible architecture for gluing together various Groupware systems using Web services technologies.
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Baihan, Mohammed S., Yaira K. Rivera Sánchez, Xian Shao, Christopher Gilman, Steven A. Demurjian, and Thomas P. Agresta. "A Blueprint for Designing and Developing M-Health Applications for Diverse Stakeholders Utilizing FHIR." In Advances in Healthcare Information Systems and Administration, 85–124. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-5036-5.ch006.
Повний текст джерелаАнотація:
FHIR standard is designed to enable interoperability and integration with the newest and adopted technologies by the industry. This chapter presents a number of blueprints for the design and development of FHIR servers that enable the integration between HIT systems with m-health applications via FHIR. Each blueprint is based on the location that FHIR servers can be placed with respect to the components of the m-health application (UI, API, server) or a HIT system in order to define and design the necessary infrastructure to facilitate the exchange of information via FHIR. To demonstrate the feasibility of the work, this chapter utilizes the Connecticut concussion tracker (CT2) m-health application as a proof-of-concept prototype that fully illustrates the blueprints of the design and development steps that are involved. The blueprints can be applied to any m-health application and are informative and instructional for medical stakeholders, researchers, and developers.
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Xu, Ronghua, Deeraj Nagothu, and Yu Chen. "AR-Edge: Autonomous and Resilient Edge Computing Architecture for Smart Cities." In Edge Computing - Architecture and Applications for Smart Cities [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1005876.
Повний текст джерелаАнотація:
With the rapid advancements in artificial intelligence (AI), the Internet of Things (IoT), and network communication technologies, recent years have witnessed a boom in smart cities that has dramatically changed human life and society. While many smart city applications rely on cloud servers, enabling comprehensive information fusion among users, smart devices, and service providers to provide diverse, intelligent applications, IoT networks’ high dynamicity and heterogeneity also bring performance, security, and interoperability challenges to centralized service frameworks. This chapter introduces a novel Autonomous and Resilient Edge (AR-Edge) computing architecture, which integrates AI, software-defined network (SDN), and Blockchain technologies to enable next-generation edge computing networks. Thanks to capabilities in terms of logically centralized control, global network status, and programmable traffic rules, SDN allows for efficient edge resource coordination and optimization with the help of artificial intelligence methods, like large language models (LLM). In addition, a federated microchain fabric is utilized to ensure the security and resilience of edge networks in a decentralized manner. The AR-Edge aims to provide autonomous, secure, resilient edge networks for dynamic and complex IoT ecosystems. Finally, a preliminary proof-of-concept prototype of an intelligent transportation system (ITS) demonstrates the feasibility of applying AR-Edge in real-world scenarios.
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Gamoura, Samia Chehbi, and Manisha Malhotra. "Master Data-Supply Chain Management, the Key Lever for Collaborative and Compliant Partnerships in Big Data Era." In Impacts and Challenges of Cloud Business Intelligence, 72–101. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-5040-3.ch006.
Повний текст джерелаАнотація:
With the advent of big data in supply chain information systems (SCIS), data compliance and consistency are becoming vital. Today, SC stakeholders need to pay more attention to data governance, which requires changing traditional management methods. These can be achieved by mastering a single repository through what is usually named master data management (MDM). However, accomplishing this objective is particularly challenging in the complex logistics networks of supply chains (SC). The volatile nature of the logistics flows that increase exponentially because of the facilitation of exchanges' interoperability in the information systems. In this chapter, the authors propose an MDM-based framework for the supply chain information systems as an enabler for strong collaboration and compliance. For proof of concept, a case study of a French hypermarket is examined through benchmarking scenarios. The outcomes of the case validate our approach as a hands-on solution when applied correctly. Finally, the chapter discusses the key findings and the limitations of our framework.
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Hemamalini, V., Amit Kumar Tyagi, and A. Rajivkannan. "Blockchain-Based Intelligent, Interactive Healthcare Systems." In Future of AI in Medical Imaging, 92–115. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-2359-5.ch007.
Повний текст джерелаАнотація:
When it comes to the smart healthcare sector, blockchain technology presents several prospects. Aside from its usage in the financial industry, blockchain technology is now also utilised in the process of establishing trust, protecting privacy, and ensuring security. Within the scope of this work, we will provide an explanation of a new development in the healthcare business that strives to enhance the effectiveness and safety of the administration of healthcare data. We employ blockchain technology to construct a decentralised and tamper-proof network that facilitates safe data exchange among healthcare stakeholders such as patients, providers, and insurers. This technique is known as Blockchain-based Intelligent and Interactive Healthcare Systems (Blockchain-based IHS). The purpose of this chapter is to present an overview of BIIHS, including its advantages, disadvantages, and potential future paths. The BIIHS has the potential to enhance patient outcomes by facilitating personalised treatment plans, lowering the number of medical mistakes, and offering real-time access to vital and sensitive health data. Nevertheless, in order to fully realise the promise of BIIHS, it is necessary to solve problems such as regulation compliance, interoperability, and privacy concerns. Artificial intelligence and the internet of things are two examples of upcoming technologies that might be included into BIIHS in the future. This would allow for the healthcare sector to further improve its capabilities.
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Wankhede, Neha, Sarika Patil, Tarun Kanade, and Harshada Aurangabadkar. "Integrating Blockchain and Digital Twins for Enhanced Security and Transparency in Digital Ecosystems." In Ensuring Security and End-to-End Visibility Through Blockchain and Digital Twins, 266–79. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-3494-2.ch015.
Повний текст джерелаАнотація:
This chapter explores the integration of blockchain technology and digital twins as a revolutionary approach to enhancing security and ensuring end-to-end visibility in various sectors, including manufacturing, supply chain management, and the Internet of Things (IoT). The convergence of these technologies offers a unique opportunity to create a transparent, immutable, and real-time digital representation of physical assets, processes, or systems. We begin by introducing the concept of digital twins, virtual models designed to accurately reflect physical counterparts, and blockchain, a decentralized ledger technology known for its security, transparency, and immutability. The chapter delves into how the synergy between digital twins and blockchain can address common challenges such as data silos, security vulnerabilities, and lack of real-time data access, which are prevalent in traditional systems. Furthermore, we examine case studies and applications demonstrating the successful implementation of these technologies across different industries. This includes how blockchain-enabled digital twins can provide a secure, tamper-proof environment for data exchange, enhance traceability and accountability in supply chains, and facilitate predictive maintenance in manufacturing. The technical architecture required to integrate blockchain with digital twins is discussed, highlighting key considerations such as scalability, privacy, and interoperability. We also explore the potential of smart contracts in automating transactions and ensuring compliance within the digital twin ecosystem. The chapter concludes by addressing the challenges and future prospects of combining blockchain and digital twins. It discusses the importance of standardization, ethical considerations, and the need for collaborative efforts to overcome technical and regulatory hurdles. The aim is to provide readers with a comprehensive understanding of how these technologies can be leveraged to foster innovation, improve operational efficiencies, and build trust in digital and physical worlds. By offering insights into the integration of blockchain and digital twins, this chapter contributes to the body of knowledge on digital transformation strategies and presents a forward-looking perspective on building resilient, transparent, and efficient systems for the future.
Тези доповідей конференцій з теми "Proof system interoperability"
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Miranda, Nelson, Matheus Matos Machado, and Dilvan A. Moreira. "OntoDrug: Enhancing Brazilian Health System Interoperability with a National Medication Ontology." In Proceedings of the Brazilian Symposium on Multimedia and the Web, 240–48. Sociedade Brasileira de Computação - SBC, 2024. http://dx.doi.org/10.5753/webmedia.2024.242062.
Повний текст джерелаАнотація:
This paper presents OntoDrug, an ontology designed to enhance medicine management in Brazil by integrating regulatory frameworks and standardizing terminologies. OntoDrug improves patient safety and treatment efficacy by accurately identifying and classifying medications and supporting interoperability with health information systems. A proof-of-concept application integrated into the Hospital das Clínicas de Marília’s hospital EHR system demonstrated OntoDrug’s utility, achieving high precision and recall. An experimental study using large language models grounded on the ontology achieved, using GPT-4 turbo, 0.97 precision, 1.0 recall and an F1-score of 0.99. We also evaluated open-source models llama3-8b, llama3-70b, and gemma-7b-it. Their performance was close to GPT-4’s. The significant effectiveness is primarily due to the utilization of large language models (LLMs). While using these large language models enhanced performance, challenges related to cost, privacy, and service availability were identified. OntoDrug represents a significant advancement in Brazil’s medication information standardization and optimization.
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Henry, Chris, and Steven Grant. "Implementing New Automated Ticketing Technology at Virginia Railway Express." In 2012 Joint Rail Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/jrc2012-74054.
Повний текст джерелаАнотація:
Virginia Railway Express (VRE) is at a crossroads at a key time with its current technology. In the near future, VRE will be required to replace its existing Automated Fare Collection (AFC) system. While this may not initially sound so different from what all rail agencies must eventually go through, ensuring that the system can be integrated into its neighboring Washington Metropolitan Area Transit Authority’s (WMATA) impending New Electronic Payments Program (NEPP) is a completely different story, and for many reasons. VRE is a key regional partner of WMATA and, as such, the two work hand-in-hand to ensure the interoperability between the two systems is maximized for the passengers who ride both services. Key to this is NEPP as an eventual replacement of WMATA’s SmarTrip® program. Since the majority of VRE’s ridership is Federal employees who carry PIV (Personal Identity Verification)/CAC (Common Access Card) cards and are making their way into the nation’s capital from Virginia and Maryland, the SmarTrip® program has been a major focus for VRE. While the NEPP program has several years before it goes live, it presents VRE with a valuable opportunity to review its current AFC system and use the interim to implement various concepts of operations for a future system. As such, VRE has become a willing partner for WMATA as a host for technology proof-of-concepts that will aid both VRE and WMATA in the long term. VRE is looking into hosting various technology options to pilot at key stations that may include mobile ticketing, Near Field Communication (NFC), or PIV/CAC cards as forms of payment, as well as proof of payment. As an open-gated system, VRE must tackle the problem of fare evasion, so looking to maximize its proof-of-payment capabilities with the latest technology is key. VRE would like to share with the rail community its thoughts and ideas for proof-of-concepts to utilize the latest payment technologies, as well as discuss its plans on interoperability with WMATA to assist agencies with similar challenges.
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Rahamtallah, M., A. Abri, W. Abdel Rahman, and Q. AlZain. "Building the Next-Generation Process Automation System: An O-PAS Field Pilot Initiative Between Schneider Electric & Petroleum Development Oman." In International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-24610-ea.
Повний текст джерелаАнотація:
The evolution of process automation has been largely dominated by legacy control systems. Although these systems are reliable and robust, they are closed, proprietary in nature. These legacy systems have costs of upgrades and maintenance, due to the specific, custom nature of their components and the lack of interoperability between different systems. Additionally, system security often comes as an afterthought and maintenance updates are required after install to maintain the current level of security or regulatory standards, especially in an increasingly connected world. Industrial manufacturers are under increasing pressure to reduce both the capital and lifecycle expenses of their process control systems while enhancing operational profitability. Even though modern automation systems incorporate certain improvements, integrating best-in-class, third-party components into proprietary, closed systems remains a challenge. Moreover, despite the ongoing efforts by automation vendors to adopt industry-standard security measures and best practices, these systems lack the built-in cybersecurity measures needed to protect operations, equipment assets, and other capital investments. The solution to these impediments is an open, interoperable, and secure-by-design process automation architecture. Open, interoperable systems stimulate growth in the supplier market, reducing costs through heightened choice and competition. They facilitate the integration of products from multiple vendors, enabling the adoption of best-fit and best-in-class components. Ensuring future automation systems embrace and reinforce standards that promote genuine heterogeneity, inherent security, multi-vendor interoperability, future-proof innovation, and an uncomplicated pathway for system migration will enable end users to derive more values and profitability from their controlled operations. This case study is a field pilot, a collaboration between Schneider Electric, and Petroleum Development Oman (PDO) aimed at demonstrating some of the Open Process Automation™ Standard (O PAS™) requirements which is one of the emerging next-generation process automation system. Additionally, the O-PAS will accelerate the digital transformation of industry. The O PAS™ redefines the architecture of industrial automation and control systems, enabling the development of scalable, modular, interchangeable, secure-by-design, and interoperable distributed control systems. This initiative leverages the IEC 61499 architecture and UniversalAutomation.org (UAO) to achieve these objectives of the pilot to demonstrate these requirements and implement a multi-vendor architecture.
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Santos, Nuno, Paula Monteiro, Francisco Morais, Jaime Pereira, Daniel Dias, Daniel Pimenta, Márcia Carvalho, et al. "Towards Implementing a Collaborative Manufacturing Cloud Platform: Experimenting Testbeds Aiming Asset Efficiency." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24044.
Повний текст джерелаАнотація:
Abstract Developing Industrial Internet of Things (IIoT) systems requires addressing challenges that range from acquiring data at the level of the shopfloor, integrated at the edge level and managing it at the cloud level. Managing manufacturing operations at the cloud level arose the opportunity for extending decisions to entities of the supply chain in a collaborative way. Not only it has arisen many challenges due to several interoperability needs; but also in properly defining an effective way to take advantage of the available data, leading to Industrial Digital Thread (IDT) and Asset Efficiency (AE) implementing. This paper discusses implementation concerns for a collaborative manufacturing environment in an IIoT system in order to monitor equipment’s AE. Each concern was addressed in a separate proof of concept testbed. The demonstration is based in a project for the IIoT domain called PRODUTECH-SIF (Solutions for the Industry of the Future).
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Huang, G. Q., S. Bin, and K. L. Mak. "ppXML: Towards Generic and Extensible Modelling of Platform Products." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/cie-48222.
Повний текст джерелаАнотація:
ppXML is an information infrastructure that enables and facilitates meaningful information and knowledge management within and interoperability between web services (applications) for Platform Product Development (PPD) — a formidable approach to agile product development (APD) for mass customization (MC). There are four folds of meanings in ppXML. Firstly, ppXML represents a set of constructs that are consistent with concepts and methods of Platform Product Development for Mass Customization. Secondly, derived from XML (eXtensible Markup Language) as a sublanguage, ppXML is a standard and yet extensible modeling language dedicated to the modelling of products and product platforms for PPD web services. Thirdly, ppXML serves as a product platform repository and a PPD web service registry, together with a set of online facilities for data representation and transformation between different components and parties involved in the web services. Finally, ppXML is a proof-of-theconcept online PPD portal, incorporating some essential web-based Decision Support Systems (DSS) for product platform development and product platform customization. This paper presents an overview of ppXML together with its background and underlying philosophy.
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Banerjee, Subharthi, Michael Hempel, Pejman Ghasemzadeh, Hamid Sharif, and Tarek Omar. "Wireless Communication for High-Speed Passenger Rail Services: A Study on the Design and Evaluation of a Unified Architecture." In 2020 Joint Rail Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/jrc2020-8068.
Повний текст джерелаАнотація:
Abstract High-speed trains, though prevalent in Europe and Asia, are not yet a reality in the US. But interest and industry engagement are growing, especially around commercial hubs close to commuter homes for alleviating commute times. With support from the Federal Railroad Administration in the United States, the authors are exploring the design requirements, challenges, and technology capabilities for wireless communication between passenger cars, on-board systems and with trackside infrastructure, all using next-generation radio access technologies. Key aspects of this work focus on interoperability, modularity of the architecture to facilitate a future-proof design, high-performance operations for passenger services and ultra-low latency capabilities for train control operations. This paper presents the theoretical studies and computer simulations of the proposed network architectures, as well as the results of an LTE/5G field test framework using an OpenAir-Interface (OAI)-based software-defined radio (SDR) approach. Through various test scenarios the OAI LTE/5G implementation is first evaluated in a lab environment and through field tests. These tests provide ground-truth data that can be leveraged to refine the computer simulation model for evaluating large-scale environments with high fidelity and high accuracy. Of particular focus in this evaluation are performance aspects related to delay, handover, bit error rate, frequency offset and achievable uplink/downlink throughput.
Звіти організацій з теми "Proof system interoperability"
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Shapovalov, Yevhenii B., Viktor B. Shapovalov, Roman A. Tarasenko, Stanislav A. Usenko, and Adrian Paschke. A semantic structuring of educational research using ontologies. [б. в.], June 2021. http://dx.doi.org/10.31812/123456789/4433.
Повний текст джерелаАнотація:
This article is devoted to the presentation of the semantic interoperability of research and scientific results through an ontological taxonomy. To achieve this, the principles of systematization and structuration of the scientific/research results in scientometrics databases have been analysed. We use the existing cognitive IT platform Polyhedron and extend it with an ontology-based information model as main contribution. As a proof-of-concept we have modelled two ontological graphs, “Development of a rational way for utilization of methane tank waste at LLC Vasylkivska poultry farm” and “Development a method for utilization of methane tank effluent”. Also, for a demonstration of the perspective of ontological systems for a systematization of research and scientific results, the “Hypothesis test system” ontological graph has created.