bluuebunny/crossref_metadata_2025 huggingface dataset:
Reconstructing Prospective Intergenerational Educational Mobility in 12 Countries
Authors: Yastrebov Gordey , Wittemann Vanessa
Published: July 2024

In this article, we reconstruct prospective intergenerational educational mobility and explore fertility's role in this process for women born between 1925 and 1950 in 12 European countries. We do so by combining high-quality retrospective data (Generations and Gender Survey) and low-requirement prospective datasets using an inferential method developed and advanced in prior research. Our analysis shows that the negative educational fertility gradient partly compensates for the inequality in prospective mobility rates between lower and higher educated women and is most pronounced in high-inequality contexts. However, fertility's role is small and declining and thus does not account for much of the differences in mobility rates between countries. We also explore the relative importance of sibship size effects in mediating the effect of fertility gradient, finding it negligible. Finally, we explore the correspondence between prospective and retrospective estimates in the reconstruction of prospective mobility rates and suggest why the former, when available, must be preferred.
Εκπαιδευτική αξιοποίηση της ταινίας στην τάξη: Διδάσκοντας με το τετράδιο εκπαιδευτικής ταινίας
Authors: Σοφός Αλιβίζος (Λοΐζος) , Γιασιράνης Στέφανος
Published: July 2024

Το άρθρο επικεντρώνεται σε βασικούς τρόπους με τους οποίους μπορεί μια ταινία, να αποτελέσει μέσο διδασκαλίας στην τάξη και αντικείμενο εκπαιδευτικής επεξεργασίας στη διδασκαλία. Παρουσιάζονται τρεις προσεγγίσεις, οι οποίες είναι συμβατές με την εκπαιδευτική πραγματικότητα και έχουν δοκιμαστεί σε σχολεία, αλλά και στο πλαίσιο πρακτικών ασκήσεων στο Παιδαγωγικό Τμήμα Δημοτικής Εκπαίδευσης. Ιδιαίτερο ενδιαφέρον παρουσιάζει η τρίτη προσέγγιση  που εστιάζει στην δημιουργία εκπαιδευτικού τετραδίου ταινίας. Η σημασία δημιουργίας ενός τετραδίου με δραστηριότητες αποτελεί διεθνή εκπαιδευτική πρακτική που παρουσιάζει τα ακόλουθα πλεονεκτήματα: α) δημιουργεί για τη συγκεκριμένη ταινία/βίντεο μόνιμο εκπαιδευτικό υλικό, β) συνεισφέρει στη σταδιακή σύνθεση ενός αποθετηρίου με θεματικά εκπαιδευτικά υλικά για οπτικοακουστικούς πόρους και γ) διευρύνει το εκπαιδευτικό υλικό των σχολικών εγχειριδίων με μαθητοκεντρικές δραστηριότητες που ενισχύουν την ενεργή γνωστική, συναισθηματική, εκφραστική εμπλοκή των μαθητών στη βάση ανοικτών πολιτισμικών πόρων. Στο άρθρο περιλαμβάνεται και ένα παράδειγμα ενός τετραδίου εκπαιδευτικής ταινίας.
Ανάπτυξη συστήματος εκτάκτων καταστάσεων βασισμένο στην τεχνολογία DRM για υπηρεσίες πολιτικής προστασίας
Authors: Παπαθεοδοσίου Κωνσταντίνος
Published: July 2024

Η παρούσα διατριβή αναφέρεται στη διαδικασία διαχείρισης εκτάκτων καταστάσεων, παρουσιάζοντας διάφορα Συστήματα Έγκαιρης Προειδοποίησης, και προτείνει ένα δυναμικό Σύστημα Ενημέρωσης Εκτάκτων Καταστάσεων, βασισμένο στο πρότυπο DRM, το UNIWA-EIS. Το σύστημα αυτό έχει τα πλεονεκτήματα των DRM συστημάτων και ταυτόχρονα επιλύει τα οποιαδήποτε προβλήματα ραδιοκάλυψης υπάρχουν με το προαναφερόμενο πρότυπο, καθώς αντισταθμίζει τις αρνητικές επιπτώσεις της έλλειψης σύνδεσης στο διαδίκτυο και της πιθανής διακοπής ρεύματος, ώστε να εξασφαλίζεται η ταχύτατη και ασφαλής μετάδοση του προειδοποιητικού μηνύματος. Οι μονάδες που έχουν προστεθεί στο UNIWA-EIS καθώς και ο αλγόριθμος βέλτιστης μετάδοσης εξυπηρετούν αυτό το σκοπό.Είναι σημαντικό να τονιστεί ότι το UNIWA-EIS έχει αναπτυχθεί πάνω στις αρχές της πράσινης ανάπτυξης καθώς τροφοδοτείται με εναλλακτικές πηγές ενέργειας όταν η συμβατική ηλεκτρική ενέργεια δεν μπορεί να χρησιμοποιηθεί. Αυτή η διατριβή δεν εστιάζει απλώς στην αρχιτεκτονική δομή του UNIWA-EIS, αλλά κυρίως τονίζει τη δυναμική του. Για το σκοπό αυτό, το σύστημα τέθηκε σε λειτουργία στην Περιοχή της Σύμης και ελέγχθηκε ως προς το ποσοστό μέγιστης κάλυψης, καταδεικνύοντας το βαθμό στον οποίο το προειδοποιητικό μήνυμα έφτασε με ασφάλεια σε ευρεία γεωγραφική περιοχή. Για την παρούσα μελέτη ράδιο-πεδιοκάλυψης χρησιμοποιήθηκε η μεθοδολογία μιας προηγούμενης τεχνικής μελέτης ράδιο-πεδιοκάλυψης στην περιοχή της Σύμης, (5/5/2015-EETT). Τα αποτελέσματα απέδειξαν ότι το προειδοποιητικό σήμα, μέσω του UNIWA-EIS, μεταδόθηκε ταχύτατα και με υψηλό ποσοστό κάλυψης, αποδεικνύοντας έμπρακτα ότι αποτελεί ένα αξιόπιστο σύστημα ενημέρωσης εκτάκτων καταστάσεων σε περιοχές με ιδιαίτερο (τραχύ) γεωγραφικό ανάγλυφο.
Cross-layer approximation techniques for synthesis and optimization of machine learning accelerators
Authors: Μπαλάσκας Κωνσταντίνος
Published: July 2024

Η μηχανική μάθηση έχει εξελιχθεί στον ακρογωνιαίο λίθο των σύγχρονων τεχνολογικών εξελίξεων, με την εντυπωσιακή της ικανότητα να εξάγει χρήσιμες διαπιστώσεις από δεδομένα του πραγματικού κόσμου, επεκτεινόμενη σε διάφορους τομείς εφαρμογών. Η υλοποίηση αλγορίθμων μηχανικής μάθησης σε υλικό τυπικής χρήσης (π.χ., cpu) όμως γίνεται ένα δυσεπίλυτο πρόβλημα, λόγω των αυξημένων απαιτήσεων για ακρίβεια και απόδοση από πλευράς των χρηστών. Οι επιταχυντές μηχανικής μάθησης ειδικού σκοπού, βασισμένοι στην πράξη πολλαπλασιασμού-συσσώρευσης (mac), αναδύονται ως καίριες πλατφόρμες, απαραίτητες για την ανακούφιση της υπολογιστικής πολυπλοκότητας μεγάλων μοντέλων μηχανικής μάθησης μέσω της παραλληλίας των εμπλεκόμενων πράξεων. Ωστόσο, εντοπίζουμε δύο κύριες προκλήσεις στην τρέχουσα υλοποίηση της μηχανικής μάθησης σε επιταχυντές. Πρώτον, το υποκείμενο κύκλωμα επιβαρύνεται από φαινόμενα εγγενούς υποβάθμισης, μειώνοντας την αξιοπιστία και τη δυνητική απόδοση της εφαρμογής. Δεύτερον, ο μαζικός παραλληλισμός προκαλεί αυξημένη κατανάλωση ενέργειας, αποκλείοντας (ή δυσκολεύοντας) την ένταξη αλγορίθμων μηχανικής μάθησης σε ενσωματωμένα συστήματα με περιορισμένους πόρους. Σε αυτή τη διατριβή, αντιμετωπίζουμε αυτές τις προκλήσεις χρησιμοποιώντας αρχές προσεγγιστικού υπολογισμού σε διαφορετικά επίπεδα της υπολογιστικής βαθμίδας. Προτείνουμε αυτοματοποιημένες μεθοδολογίες προσέγγισης, έτσι ώστε η ενεργειακή απόδοση των επιταχυντών να βελτιώνεται, ενώ η αξιόπιστη λειτουργία τους παραμένει εξασφαλισμένη. Οι μεθοδολογίες μας συμμορφώνονται με δεδομένα όρια ακρίβειας, εξασφαλίζοντας έτσι την ποιότητα της εφαρμογής, ενώ στοχεύουν στη βελτίωση συγκεκριμένων μετρικών (π.χ., μείωση καθυστέρησης) μέσω μεθοδολογιών βελτιστοποίησης. Ειδικότερα, σχεδιάζουμε κυκλώματα ανθεκτικά σε φαινόμενα γήρανσης και κατασκευαστικές αποκλίσεις, στοχευμένα για επιταχυντές βασισμένους σε κυκλώματα mac. Τα παραγόμενα κυκλώματα εμφανίζουν βελτιωμένη απόδοση σε σύγκριση με την τεχνολογία αιχμής. Στο αλγοριθμικό επίπεδο, ενσωματώνουμε μεθοδολογίες συμπίεσης στην εκπαίδευση και την εκτέλεση αλγορίθμων μηχανικής μάθησης, έτσι ώστε οι απαιτήσεις μνήμης και κατανάλωσης ενέργειας των υλοποιημένων αλγορίθμων να βελτιστοποιούνται. Συνολικά, αυτή η διατριβή προωθεί την αυτόματη εφαρμογή του προσεγγιστικού υπολογισμού σε διάφορα επίπεδα του σχεδιασμού των επιταχυντών υλικού μηχανικής μάθησης, επιτυγχάνοντας πολλαπλές σημαντικές βελτιώσεις μέσω συντονισμένων και αυτοματοποιημένων μεθοδολογιών.
Digital twin-based modeling of natural gas leakage and dispersion in urban utility tunnels
Authors: Cai Jitao , Wu Jiansong , Hu Yanzhu , Han Ziqi , Li Yuefei , Fu Ming , Zou Xiaofu , Wang Xin
Published: July 2024

Background Unexpected leakage accidents of the natural gas pipeline inside urban utility tunnels can pose great threats to public safety, property, and the environment. It highlights the modeling of natural gas leakage and dispersion dynamics, especially from a digital twin implementation perspective facilitating effective emergency response in a data-driven way. Methods In this study, a digital twin-based emergency response framework for gas leakage accidents in urban utility tunnels is proposed. Within this framework, the data-calibrated gas concentration prediction (DC-GCP) model is developed by integrating the Lattice Boltzmann Method (LBM) with data assimilation (DA) techniques. This combination enables accurate spatiotemporal predictions of gas concentrations, even with a prior or inaccurate gas leakage source term. Specifically, we develop a high-performance LBM-based gas concentration prediction model using the parallel programming language Taichi Lang. Based on this model, real-time integration of gas sensor data from utility tunnels is achieved through the DA algorithm. Therefore, the predicted results can be calibrated by the continuous data in the absence of complete source term information. Furthermore, a widely used twin experiment and statistical performance measures (SPMs) are used to evaluate and validate the effectiveness of the proposed approach. Results The results show that all SPMs progressively converge towards their ideal values as calibration progresses. And both the gas concentration predictions and the source term estimations can be calibrated effectively by the proposed approach, achieving a relative error of less than 5%. Conclusions This study helps for dynamic risk assessment and emergency response of natural gas leakage accidents, as well as facilitating the implementation of predictive digital twin in utility tunnels.
Memory-making interventions for children and their families receiving pediatric palliative or bereavement care: A systematic review protocol
Authors: Safarifard Razieh , Kiernan Gemma , Corcoran Yvonne , Courtney Eileen , Mitchell John , Akard Terrah , Lambert Veronica
Published: July 2024

Background In paediatric palliative and bereavement care, providing comprehensive support that extends beyond medical treatment to address the emotional and psychosocial needs of children and their families is essential. Memory-making interventions play a critical role in capturing cherished moments and fostering emotional resilience. However, widespread consensus on the foundation and scope of memory-making interventions for children and young people remains sparse. This review aims to identify, appraise, and synthesise the evidence on memory-making interventions for children and young people with life-limiting or life-threatening conditions and their family members receiving palliative or bereavement care. Methods This systematic review will follow the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA). A systematic search will be undertaken from January 1, 1985, to February 27, 2024, across the following databases: PubMed, EMBASE, CINAHL (EBSCO), PsycINFO (EBSCO), Web of Science, the Cochrane Library, and Scopus. Studies across diverse research designs that examine children (0-19 years) with life-limiting or life-threatening conditions undergoing memory-making interventions with psychosocial or other outcomes will be included. Screening, data extraction, and quality appraisal will be performed by two independent reviewers, with a third reviewer resolving discrepancies. Joanna Briggs Institute guidelines for conducting mixed methods systematic reviews will be used to inform the data analysis and synthesis process. Conclusions This review will provide critical insights into the existing evidence base on memory-making interventions in paediatric palliative and bereavement care, highlighting psychosocial and other impacts, implementation factors, and evidence quality. By identifying best practices and gaps in knowledge, this evidence review may inform future research and intervention design, or adaptation, and contribute to the enhancement of healthcare for children and young people with life-limiting and life-threatening conditions and their families as well as families in bereavement. Registration This review was registered in PROSPERO, the International Prospective Register of Systematic Reviews (CRD42024521388; 18/03/2024).
Pojęcie depozytariusza niematerialnego dziedzictwa kulturowego w polskim dyskursie heritologicznym
Authors: Smyk Katarzyna
Published: July 2024

Artykuł otwiera dyskusję nad rekonstrukcją heritologicznej definicji depozytariusza niematerialnego dziedzictwa kulturowego w polskiej literaturze przedmiotu. Charakter prolegomeny rzutuje na jego strukturę: najpierw zaprezentowane zostają wybrane opisy leksykograficzne semantyki leksemu depozytariusz, następnie fragmenty Konwencji UNESCO w sprawie ochrony niematerialnego dziedzictwa kulturowego z 2003 r. wraz z odnoszącymi się do niej dokumentami i materiałami polskimi. Ich lektura stanowi podstawę do wydobycia kolejnych 32 elementów definicji omawianego terminu. Dają się one ująć w cztery pola działalności depozytariusza: społeczny, aksjologiczny, ochrony dziedzictwa i polityki kulturalnej. W podsumowaniu autorka opisała 4-etapowy proces przemiany społeczności we wspólnotę depozytariuszy, wynikający z podejścia podmiotowego wpisanego w Konwencję UNESCO z 2003 r.: świadomość potrzeby ochrony swojego dziedzictwa niematerialnego, akt woli, oświadczenie woli i działanie. Można przyjąć, że tak wyglądałby proces przemiany dowolnej społeczności we wspólnotę depozytariuszy niematerialnego dziedzictwa kulturowego.
Local Responses to Climate Change Impact on Intangible Cultural Heritage in Poland
Authors: Dziubata-Smykowska Karolina
Published: July 2024

Tradition and intangible cultural heritage help local communities cope with the uncertainty through familiar and repetitive actions. What if it all depends on variable and unstable factors? This paper presents an anthropological approach to the impact of climate change on local practices towards intangible cultural heritage based on human-environment interactions. The author presents early results of an ongoing research project. By drawing on ethnographic data, this article explores the implications of declining snow resources, alterations in the vegetation cycle and hydrological drought on the traditions of winter horse-drawn carriage races, Corpus Christi flower carpets and wickerwork. Based on the notions of ethnoclimatology and anthropology of weather, the text draws attention to local perceptions of climate change and potential methods of safeguarding tradition in times of uncertainty. It serves as an outline of a possible way of thinking about the relationship between climate change and intangible cultural heritage.
Pamiątka z dawnych czasów i powód do dumy, czyli postrzeganie tradycyjnego stroju chazackiego przez członków zespołów regionalnych
Authors: Majerowicz Zuzanna
Published: July 2024

Tekst prezentuje postrzeganie tradycyjnego strojuchazackiego przez dwa zespoły: Zespół Regionalny "Wisieloki" z Szymanowa oraz Regionalny Zespół "Chojnioki" z Chojna. Obydwa działają na terenie Chazów - mikroregionu w okolicach Rawicza w południowej Wielkopolsce. Zespoły kultywuja i propagują tradycje muzyczne tego obszaru, przez co na stałe weszły w skład dziedzictwa kulturowego Chazów. Z powodu zaniku noszenia tradycyjnego stroju w latach 70. XX w. członkowie zespołów stali się jego jedynymi użytkownikami. W niniejszym tekście omówione zostaną kwestie dotyczące wyglądu tradycyjnego stroju chazackiego z naciskiem na jego rolę jako nośnika dziedzictwa kulturowego. Przedstawione będą także działania, jakie podejmują zespoły w celu upowszechnienia wiedzy o elementach stroju.
Verbuňk and Rides of the Kings: Reflections on Transformations of Tradition in the Light of Intangible Cultural Heritage
Authors: Pavlicová Martina
Published: July 2024

The study of manifestations of folk culture (including those that have survived in modern society) provides a valuable research field for learning about the mechanisms of tradition and its functioning. In addition to the immanent development of tradition, however, it is always necessary to pay attention to external impulses. In the last two decades, the concept of intangible cultural heritage (ICH) certainly belongs to them, as not only is it a theoretical starting point for grasping the study of folk traditions in the present, but it also has a retroactive effect on their form and longevity. The basis of the presented contribution is a reflection on this issue in the Czech environment, particularly concerned with two examples from the region of South-Eastern Moravia: the solo male dance verbuňk, which was entered on Representative List of UNESCO in 2005 (respectively 2008), and the custom “the ride of the kings”, which was entered on the same list in 2011.
Geopolítica del superhéroe en el cine: el espejo deformado de la realidad.
Authors: Sanchez Lopez Pablo
Published: July 2024

Uno de los fenómenos de la cultura popular más importantes del siglo xxi es el auge de las películas de superhéroes. De subgénero maldito a colección de éxitos de taquilla, estos films han resultado ser fundamentales para estudiar el impacto del cine en nuestra forma de ver el mundo e interpretar, a posteriori, eventos del mundo real. El universo cinematográfico Marvel es no solo la marca más reconocida a la hora de hablar de estas películas, sino el ejemplo más claro de franquicia transmedia exitosa. En este artículo queremos analizar el UCM dentro de los paráme - tros de la geopolítica de la cultura popular para averiguar cómo estos films representan y hablan de aspectos sociopolíticos que se transmiten al conjunto de la audiencia. Para ello, y a través de una metodología interdisciplinar, examinaremos cómo construyen un discurso de recreación de la realidad en el que, apoyándose en su carácter de narraciones fantásticas, reflexionan sobre el terrorismo, las relaciones internacionales o el cambio climático.
La burbuja de las plataformas de contenido en streaming: Pérdida de suscriptores, causas y perspectiva de futuro.
Authors: Cortés Quesada Jose Antonio , Barceló Ugarte Teresa , Fuentes Cortina Gonzalo
Published: July 2024

Los contenidos a la carta en streaming están en auge y los lineales, propios de la televisión programada, pierden fuerza. En la última década se ha producido una proliferación de plataformas de contenido en streaming, siendo Netflix la que encabeza, a nivel mundial, la lista de las más exitosas. Tras el anuncio de la drástica pérdida de suscriptores de esta famosa plataforma a comienzos de 2022, esta investigación tiene por objetivo comprobar si existe una burbuja de las plataformas de vídeos bajo demanda (VOD), así como analizar cuál es su perspectiva de futuro. Con esta finalidad, se ha elaborado un método Delphi en el que han participado 15 expertos del sector audiovisual, con perfiles tanto técnicos como académicos, para señalar qué ocurrirá con las plataformas de contenido en streaming y su modelo de negocio en un futuro próximo. La conclusión principal es que el modelo tiene que cambiar, apostando por ofrecer algo diferente al espectador y creando alianzas entre empresas para abaratar costes de producción. La burbuja aún no ha explotado.
Risk-Averse Markov Decision Processes Through a Distributional Lens
Authors: Cheng Ziteng , Jaimungal Sebastian
Published: July 2024

By adopting a distributional viewpoint on law-invariant convex risk measures, we construct dynamic risk measures (DRMs) at the distributional level. We then apply these DRMs to investigate Markov decision processes, incorporating latent costs, random actions, and weakly continuous transition kernels. Furthermore, the proposed DRMs allow risk aversion to change dynamically. Under mild assumptions, we derive a dynamic programming principle and show the existence of an optimal policy in both finite and infinite time horizons. Moreover, we provide a sufficient condition for the optimality of deterministic actions. For illustration, we conclude the paper with examples from optimal liquidation with limit order books and autonomous driving.

Funding: This work was supported by Natural Sciences and Engineering Research Council of Canada [Grants RGPAS-2018-522715 and RGPIN-2018-05705].
Experience of Participating in the Mindful Practice Program: A Qualitative Study Focused on the MindON Program
Authors: Kim Eunjin , Jang Jinyoung , Park Sungho
Published: July 2024

Purpose: The purpose of this study is to explore the applicability of mindful practice program MindON, which was designed to help mindful practice in daily life, how it functions and what qualitative changes it can make. Methods: To this end, a focus group interview was conducted with 8 participants among the participants who attended the MindON program, and a qualitative analysis was conducted. The transcribed interview data was analyzed according to the 6 steps of thematic analysis. Psychological Results: As a result of the study, the interview contents were classified into a total of 5 categories, 10 sub-themes, and 26 semantic concepts. The main study results are as follows. First, it was possible to confirm the aspect of participating in this mindful practice program by ‘intrinsic motivation’ and ‘extrinsic motivation’. Second, ‘systematic structure of the program’ and ‘development of in-depth mindful practice’ were cited as overall impressions of the MindON program. Third, it was reported that through this program, benefits were obtained in the context of 'mindful practice knowledge acquisition' and 'self-awareness activities'. Fourth, furthermore, the specific effects of this program could be explored by reporting cognitive, emotional, and behavioral changes through this program. Finally, requests for more mindful practice experiences could also be identified. Conclusion: Based on the above study results, the significance and suggestions of this study were discussed.
Controversy and Interpretation of Quotes from the Bhagavad Gita Surrounding the Movie Oppenheimer
Authors: Kim Chinyoung
Published: July 2024

The purpose of this paper is to critically analyze the Hindu scripture Bhagavad Gita during the Trinity nuclear test by Oppenheimer, the main character of the movie Oppenheimer, released in 2023. The phrase he quotes is “Now I am become Death, the Destroyer of Worlds”. The phrase from Gita quoted by Oppenheimer in the film, along with the image of the provocative flash of a nuclear bomb and a mushroom cloud, contribute greatly to the visualization of the apocalypse of the end of the world. Quotes from Gita that we encountered through Oppenheimer’s documentaries, interviews, and autobiography are reproduced through movies, and children are learning these sentences at school. This article analyzes the phrases in Oppenheimer’s Gita and the possibility of mistranslation, and interprets various criticisms from mythologists, religious scholars, and philosophers surrounding the quote from various angles. This study analyzes cultural debates about symbolic and suggestive Hindu short verses and presents the theoretical basis for the true meaning and issues in religious philosophy. Through Oppenheimer’s film, the Gita has once again become a symbolic scripture representing Hinduism, and the passages he said are being reproduced as quotations representing the Gita. At this point, we discussed the issues of debate and criticism by modern scholars surrounding the passages.
A Study on the Development of Anger Management Program for working women in their 60s and Exploration of Participation Experience: Focusing on 「Bohyeonhaengwonpum」 of Avatamsaka Sūtra
Authors: Jeon Jimi
Published: July 2024

The purpose of this study is to develop a program based on 「Bohyeonhaengwonpum」 of Avatamsaka Sūtra to reduce the anger of working women in their 60s and explore their participation experiences. For this purpose, a program for anger reduction based on 「Bohyeonhaengwonpum」 was developed, and participants who participated in the program were questioned and analyzed about their participation experience. The results of this study are as follows. First, a program for anger management based on 「Bohyeonhaengwonpum」 was planned for women in their 60s who experience psychological difficulties such as anger, depression, worry, and irritation. The program consists of a total of seven sessions conducted once a week, each lasting about 90 minutes. The themes for each session are as follows: 1st session - Experiencing the power of prayer, 2nd session - Gratitude and repentance, 3rd session - Cultivating virtues and principles, 4th session - Cleansing the mind and body, 5th session - Seeking inner peace, 6th session - Integrating prayer and meditation, and 7th session - Conclusion of the program. Second, the analysis of the participants' participation experience revealed that they expressed their wishes for managing anger at work, happiness for their families, and comfort and well-being for the people they meet at work. This study is significant in providing foundational data for the development of a customized anger management program for working women in their 60s.
EVALUATING THE SUCCESS FACTORS FOR KNOWLEDGE MANAGEMENT IN THE FINANCIAL SECTOR: AN AHP- DEMATEL APPROACH
Authors: Singh Neha , Pradhan Saurabh
Published: July 2024

The objective of this article is to identify and understand the success factors of knowledge management within the financial sector. In the ever-evolving business environment, effective knowledge management (KM) is imperative to maintain a competitive advantage. Effective KM within financial institutions can build standardized processes, ensure speedy delivery, and foster better customer relationship management. An integrated approach of the Analytical Hierarchy Process (AHP) and the Decision-Making Trial and Evaluation Laboratory (DEMATEL) methods was used to rank these critical success factors and understand their interrelationships. The findings identify organizational factors (cultural aspects, organizational structure, top management support), technological factors (technological adoption, infrastructure support, collaborative systems), and human resources factors (training & learning, agile workforce, knowledge sharing) as the critical success factors. Technological factors were identified as the most important factors. The article further complements the findings of the AHP by exploring the interrelationships between the identified factors to understand and prioritize possible intervention areas. This research has significant theoretical and practical implications. The findings can help financial institutions implement and manage knowledge management initiatives within the organization. This study also adds to the extant literature and addresses gaps in the research in the context of KM within the financial sector.
Stochastic Model Predictive Control Based on Polynomial Chaos Expansion With Application to Wind Energy Conversion Systems
Authors: Liu Gang , Zhang Huiming
Published: July 2024

The wind energy conversion system (WECS) has a complex structure, and its state space model is highly nonlinear. Due to the random uncertainty of wind speed, it poses a huge challenge to achieve optimal control tasks and ensure the safe and stable operation of the system. Therefore, this article proposes a stochastic model predictive control strategy based on Polynomial Chaotic Expansion (PCE), which achieves the control tasks of MPPT and constant power regions in wind energy conversion systems. Firstly, a simple algorithm is proposed to obtain a set of basis functions that are suitable for the stochastic variable wind speed. Then, the obtained basis functions are used to propagate the uncertainty of the original uncertain differential equation of the wind energy conversion system through polynomial chaotic expansion. Combining the operating region and constraint conditions of the wind energy conversion system, the original stochastic uncertainty problem is transformed into a deterministic convex optimization problem. Using NREL 5MW wind turbine as the research object for simulation, the task of capturing maximum wind energy in MPPT area and tracking rated power points in constant power area was achieved. The experimental results show that the proposed control method can effectively improve the wind energy capture capability and achieve accurate tracking of output power to rated power.
Load Frequency Control Strategy of Interconnected Power System Based on Tube DMPC
Authors: Xinshan Wang
Published: July 2024

Solar thermal power generation shares technical characteristics with traditional thermal power generation. This enables rapid adjustment of turbine generator output to meet the demands of the power grid load for frequency modulation. However, fluctuations in light intensity lead to variations in interconnected power system parameters, posing challenges for load frequency control (LFC). In this study, we propose a Robust Distributed Model Predictive Control (RDMPC) method. This method achieves system trajectory tracking by solving the nominal system optimization problem. It also flexibly adjusts the weights of different Tube models to determine the optimal control law using the standard Tube online combination with various gain values. Additionally, we incorporate the states of adjacent areas into the feedback control law to achieve effective coordination between these areas. Using MATLAB/Simulink, we simulated the power system in two areas. Compared to standard Tube DMPC, our proposed algorithm effectively mitigates the impact of light intensity, enhances adjustment speed, reduces frequency fluctuation, and demonstrates superior control effectiveness.
Research on a Self-Coordinated Optimization Method for Distributed Energy Resources Targeting Risk Mitigation
Authors: Li Hongtao , Hao Tian , Li Zijin , Zhao Ergang , Wang Chen , Xu Lina
Published: July 2024

This passage discusses a rapid restoration optimization strategy for short-term global coordination and the synergistic autonomous regulation of distributed energy sources based on a model predictive control framework. A short-term rapid recovery global coordination optimization model is established through the prediction of network states under abnormal conditions. This model includes the energy management of distributed energy sources and recovery plans for critical loads. In terms of the autonomous regulation of distributed energy sources, based on the results of global coordination optimization and aiming to minimize load shedding losses and grid losses, an ultra-short-term rolling control strategy is formulated using power output and load switching as control variables. Finally, simulation analysis on the IEEE 33-node distribution network system indicates that the proposed model and method significantly accelerate the recovery speed of the distribution network and effectively enhance its resilience level.
Superimposed Positive Sequence Impedance for Detecting Unintentional Islanding in Microgrid
Authors: Bharti Indradeo Pratap , Singh Navneet Kumar , Gupta Om Hari , Singh Asheesh Kumar , Sood Vijay K.
Published: July 2024

Incorporation of environmentally friendly energy sources (RESs) into the electricity grid has many benefits, including economic, technological, and environmental. However, excessive renewable energy sources (RES) in the power grid provide technical problems, including equipment protection, DG operation, and islanding detection. One of the most serious challenges is the islanding phenomenon. Islanding can cause several problems, such as frequency instability and voltage fluctuations resulting in damage to electrical equipment or threatening utility workers who may be working/accessing the equipment. This research proposes an efficient islanding detection algorithm to lessen the impact of such threats. This novel passive islanding detection scheme is based on superimposed positive sequence impedance (SPSI). For calculating the superimposed positive sequence impedance (SPSI), the voltage and current signals are obtained from targeted DG points. The scheme’s performance is tested on multiple bus systems across islanding and non-islanding conditions using a MATLAB/Simulink environment. It is shown that even in the presence of noise, the algorithm can determine an islanding decision with high accuracy and a short detection time of 84 ms. In comparison to other algorithms, it operates at zero power mismatch (ZPM) and does not affect power quality.
Two-Input Single-Output Boost Converter with Fault Tolerant Operation
Authors: Karishma K. , Sivaprasad A. , Raj Nithin
Published: July 2024

The need for multi-input DC-DC converters is highly demanded in the context of the integration of different energy sources. When integrating several energy sources, such as batteries, solar PV arrays, fuel cells, etc., multi-input DC-DC converters preferred over multiple single-input DC-DC converters. The vast majority of MISO converters in use today only have one mode of operation, which is conventional operation using all sources. Very few MISO topologies have been presented with fault-tolerant capability. In this work, a non-isolated two-input single-output (MISO) boost converter is investigated for low-voltage DC (LVDC) applications with fault tolerant capability. The presented converter works in three modes, such as DC sources of equal values, DC sources of unequal values, and one of the DC sources that is faulty or out of order. The converter is simulated in a MATLAB/Simulink environment and experimentally validated using a scaled prototype. The outcomes demonstrate that the converter can integrate systems with two DC energy sources, accommodates DC sources of equal values, DC sources of unequal values, and works even when one of the DC sources is faulty or out of order. This work points out that the presented MISO converter would be an apt solution for integrating varying input voltage sources with fault-tolerant capability.
Introduction: Hog Reeves Are Part of the State , Too
Authors: Loiacono Gabriel J.
Published: July 2024

Abstract: Historians of the early American republic pay the least attention to the most powerful form of government in that period: local governments. Social historians and legal historians are building a historiography of municipal power in the early republic, however, and this essay introduces a forum to expand our understanding of local governance. Focusing on nightwatchmen, overseers of the poor, justices of the peace, and sheriffs, this essay and forum flesh out the contours of the local state between the Revolutionary and Civil War eras.
Immersion: The New Frontier in Parasocial Relationships
Authors: Madison T. Phillip
Published: July 2024

abstract: Once relegated to a subfield of academic communication research, discussions of parasocial relationships (PSRs) are increasingly diffusing through popular media for consumption and pondering by much larger audiences. In the same technological moment, virtual reality (VR) represents a transformative technology that immerses users in computer-generated environments, offering multisensory experiences through video, audio, and haptic feedback. This essay explores some of the avenues in which traditional parasocial research might intersect and be applied to immersive VR experiences. PSRs have great potential to advance our understanding of the effects of VR on ourselves and our relationships with others, both real and mediated.
Idols of the Fragment: Barthes and Critique
Authors: Reader Simon
Published: July 2024

Abstract: Critics often valorize fragmentary writing as a device for subverting systems and liberating thought. Roland Barthes is an acknowledged aficionado of this style; this essay argues that he is equally one of its astute skeptics. While his early writings announce the need to dismantle bourgeois ideology in scattered strokes, his later works scrutinize the value of the piecemeal writing even as they ramify its aesthetic possibilities. Barthes's ambivalence replays an episode from the eighteenth century, when the Jena Romantics abruptly renounced the fragment on the grounds that its utopian promise easily devolved into parochial uses. Twenty-first century publishers continue to advertise fragmentary books as avant-garde provocations, but we should view this gesture as a conceit with a long history.
Uncertainties in radiometric measurements of the ocean surface from above water and helicopter hyperspectral and polarimetric observations
Authors: Malinowski Mateusz , Gilerson Alexander , Herrera-Estrella Eder , Foster Robert , Ibrahim Amir , Agagliate Jacopo , Ondrusek Michael
Published: July 2024

A new system was assembled with a snapshot hyperspectral imager and a
polarimetric camera for quantifying uncertainties in aquatic remote
sensing applications. The hyperspectral imager measures radiances from
a field-of-view (FOV) creating imagery for each of its spectral bands.
The polarimetric camera measures the Stokes vector components of the
radiance. A combination of polarimetric and hyperspectral measurements
provides data about the wind-roughened surface in various water and
sky conditions. Uncertainties in the total radiance L
t
in unpolarized and polarized modes
are estimated by observations from the ships in two ocean cruises,
from a nearshore platform, and a helicopter in the Chesapeake Bay
showing that uncertainties are a combination of the effects of the
reflected sky from the surface (ρL
s
), water leaving radiance (L
w
), and Rayleigh scattering; the impact
of the latter increases with the height.
Transmission characterization of atmospheric laser communication based on an all-optical wavelength converter
Authors: Dong Hongqi , Fu Yanwei , Zeng Jiaqing , Wang Xinyu , Ma Wanzhuo
Published: July 2024

We demonstrate a free-space optical (FSO) communication scheme based on an all-optical wavelength converter (AOWC). An all-optical wavelength converter is constructed based on the four-wave mixing (FWM) effect, and information replication is achieved by adjusting the pump power and wavelength spacing to convert the light. The feasibility and stability of each channel in a strong turbulent channel are verified through an eye diagram and bit error rate testing, with a total transmission rate of 30 Gb/s. It has been proven that improving conversion efficiency helps to reduce the bit error rate of transmitted signals. This article presents an experimental analysis of free-space information transmission based on AOWC for the first time, providing a reference for establishing high-speed multiplexing communication.
Simulation analysis of a photonic crystal fiber refractive index sensor based on a double-layer film structure and surface plasmon resonance technology
Authors: Yang Fengrui , Liu Wei , Mi Chao , Lv Jingwei , Yang Lin , Liu Qiang , Chu Paul K. , Liu Chao
Published: July 2024

A photonic crystal fiber surface plasmon resonance sensor based on a double-layer membrane structure is designed and analyzed. In the simple sensing structure with only one air hole size, TiO2 and Au layers with specific thicknesses are sequentially coated on the optical fiber to form a double-layer structure. The sensing characteristics of the double-layer membrane structure are studied by the finite element method. Compared to the single-layer membrane structure, the double-layer membrane sensor has significant sensing properties such as a better wavelength sensitivity and a smaller full width at half maximum in the loss spectrum. In the refractive index range between 1.37 and 1.43, the maximum wavelength sensitivity and average wavelength sensitivity of the sensor are 19,900 nm/RIU and 7417 nm/RIU, respectively, and the resolution can be up to 5.03×10−6RIU. The proposed photonic crystal fiber optic sensor achieves high performance with a simpler sensing structure than previous photonic crystal fiber optic sensors, and eliminates the step of polishing, which will greatly reduce the difficulty of actual fabrication and the error due to uneven polishing. The results show that the photonic crystal fiber optic sensor with a double-layer membrane structure has excellent performance. Due to its high sensitivity and resolution, it has great potential for applications in environmental monitoring, biosensing and chemical sensing.
Dual-chirp-based photonic THz-ISAC system with adaptive frequency synchronization
Authors: Lyu Zhidong , Zhang Lu , Yang Zuomin , Deng Qiuzhuo , Fang Xing , Zhang Changming , Ozolins Oskars , Pang Xiaodan , Yu Xianbin
Published: July 2024

Recent advancements have brought significant attention to photonic terahertz (THz)-integrated sensing and communication (ISAC) systems. In this work, we present an adaptive frequency offset (FO) compensation method for dual-chirp-based ISAC waveforms, using the fractional Fourier transform (FrFT) method. The proposed scheme can enable frequency synchronization without a need for training preambles and exhibit robustness against system noise. We validate this approach through an experimental demonstration in a 300 GHz photonic THz-ISAC system with 20 Gbps quadrature-phase shift keying (QPSK) data transmission and 1.5 cm range resolution. The experiment successfully compensates for frequency offsets ranging from −5 to 5 GHz, achieving an estimation error of less than 0.08% and a chirp-pilot power overhead of 0.5%.
Our lifestyles are back to ‘normal’, but is our mental health? Longitudinal assessment of psychological distress during the COVID-19 pandemic among Spanish adults: April 2021 to August 2022
Authors: Rosen Aviana O. , Hidalgo Maria Dolores , Mistler Colleen B. , Balluerka Nekane , Gorostiaga Arantxa , Gómez-Benito Juana , Holmes Ashley L. , Huedo-Medina Tania B.
Published: July 2024

The COVID-19 pandemic had a detrimental effect on mental health since its start in 2020 and current data on mental health is limited. This study provides recent longitudinal data on psychological distress among a country-wide sample of adults. We recruited and surveyed 1,956 adults in Spain in April 2021 and August 2022 on sociodemographic- and pandemic-related psychological distress using the General Distress 21-item version of the Depression, Anxiety, and Stress Scale (DASS). Paired sampled t-tests assessed DASS scores by sex from April 2021 to August 2022; and one-way ANOVAs assessed DASS scores across sociodemographic characteristics. Results showed that psychological distress slightly improved across the total sample from April 2021 to August 2022; though females, young adults, students, and individuals with lower income experienced more psychological distress. Increases in severe stress scores were found particularly among men. Our data provides an overview of the psychological distress of Spanish adults 2.5 years into the pandemic and provides novel evidence that though life has resumed a sense of normalcy after the COVID-19 pandemic, the mental health of key populations (e.g., females, young adults, students, low-income) is still suffering and further intervention and resources are needed.
Sex and circadian regulation of metabolic demands in the rat kidney: A modeling analysis
Authors: Dutta Pritha , Layton Anita T.
Published: July 2024

Renal hemodynamics, renal transporter expression levels, and urine excretion exhibit circadian variations. Disruption of these diurnal patterns is associated with the pathophysiology of hypertension and chronic kidney disease. Renal hemodynamics determines oxygen delivery, whereas renal transport and metabolism determines oxygen consumption; the balance between them yields renal oxygenation which also demonstrates 24-h periodicity. Another notable modulator of kidney function is sex, which has impacts on renal hemodynamics and transport function that are regulated by as well as independent of the circadian clock. The goal of this study was to investigate the diurnal and sexual variations in renal oxygen consumption and oxygenation. For this purpose, we developed computational models of rat kidney function that represent sexual dimorphism and circadian variation in renal hemodynamics and transporter activities. Model simulations predicted substantial differences in tubular Na+ transport and oxygen consumption among different nephron segments. We also simulated the effect of loop diuretics, which are used in the treatment of renal hypoxia, on medullary oxygen tension. Our model predicted a significantly higher effect of loop diuretics on medullary oxygenation in female rats compared to male rats and when administered during the active phase.
Relationships between the expectations based on the regularity of preceding sound sequences and the medial olivocochlear reflex
Authors: Ishizaka Yuki , Otsuka Sho , Nakagawa Seiji
Published: July 2024

Rhythms are the most natural cue for temporal anticipation because many sounds in our living environment have rhythmic structures. Humans have cortical mechanisms that can predict the arrival of the next sound based on rhythm and periodicity. Herein, we showed that temporal anticipation, based on the regularity of sound sequences, modulates peripheral auditory responses via efferent innervation. The medial olivocochlear reflex (MOCR), a sound-activated efferent feedback mechanism that controls outer hair cell motility, was inferred noninvasively by measuring the suppression of otoacoustic emissions (OAE). First, OAE suppression was compared between conditions in which sound sequences preceding the MOCR elicitor were presented at regular (predictable condition) or irregular (unpredictable condition) intervals. We found that OAE suppression in the predictable condition was stronger than that in the unpredictable condition. This implies that the MOCR is strengthened by the regularity of preceding sound sequences. In addition, to examine how many regularly presented preceding sounds are required to enhance the MOCR, we compared OAE suppression within stimulus sequences with 0–3 preceding tones. The OAE suppression was strengthened only when there were at least three regular preceding tones. This suggests that the MOCR was not automatically enhanced by a single stimulus presented immediately before the MOCR elicitor, but rather that it was enhanced by the regularity of the preceding sound sequences.
Effect of dexamethasone pretreatment using deep learning on the surgical effect of patients with gastrointestinal tumors
Authors: Lu Kun , Li Qiang , Pu Chun , Lei Xue , Fu Qiang
Published: July 2024

To explore the application efficacy and significance of deep learning in anesthesia management for gastrointestinal tumors (GITs) surgery, 80 elderly patients with GITs who underwent surgical intervention at our institution between January and September 2021 were enrolled. According to the preoperative anesthesia management methodology, patients were rolled into a control (Ctrl) group (using 10 mg dexamethasone 1–2 hours before surgery) and an experimental (Exp) group (using a deep learning-based anesthesia monitoring system on the basis of the Ctrl group), with 40 cases in each group. A comprehensive comparative analysis was performed between the two cohorts, encompassing postoperative cognitive evaluations, Montreal Cognitive Assessment (MoCA) scores, gastrointestinal functionality, serum biomarkers (including interleukin (IL)-6, C-reactive protein (CRP), and cortisol levels), length of hospitalization, incidence of complications, and other pertinent metrics. The findings demonstrated that anesthesia monitoring facilitated by deep learning algorithms effectively assessed the anesthesia state of patients. Compared to the Ctrl group, patients in the Exp group showed significant differences in cognitive assessments (word recall, number connection, number coding) (P<0.05). Additionally, the Exp group exhibited a notably increased MoCA score (25.3±2.4), significantly shorter time to first flatus postoperatively (35.8±13.7 hours), markedly reduced postoperative pain scores, significantly shortened time to tolerate a liquid diet postoperatively (19.6±5.2 hours), accelerated recovery of serum-related indicators, and a significantly decreased mean length of hospital stay (11.4±3.2 days) compared to the Ctrl group. In summary, administering dexamethasone under the anesthesia management of GITs surgery based on gradient boosting decision tree (GBDT) and pharmacokinetics pharmacodynamics (PKPD) models can promote patient recovery, reduce the incidence of postoperative cognitive impairment (POCD), and improve patient prognosis.