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11th IEEE International Conference on Intelligent Computing and Information Systems, ICICIS 2023

作者： Hamza, Ahmed Ashraf El-Ramly, mohammad Elkady, manar Cairo University M.Sc. in Software Engineering Program Faculty of Computers and Artificial Intelligence Cairo Egypt Cairo University Faculty of Computers and Artificial Intelligence Department of Computer Sciences Cairo Egypt

ISBN: (纸本)9798350322101

Source code comments play a critical role in software development by facilitating issue resolution and reducing maintenance time and cost. However, the impact of code comments, particularly those aiding program comprehension, on expediting issue resolution remains insufficiently explored. This study investigates the impact of code comments on issue resolution time for issues related to pulling requests involving code maintenance. To this end, ten of the most popular Java repositories on GitHub were selected, and closed pull request-related issues were identified using a specific criterion. Comments were then extracted from classes modified by the pull requests, and a trained BERT model was utilized to classify them according to their usefulness. The percentage of comments relative to code size, the percentage of useful comments relative to all comments, and the average issue resolution time were computed and examined for correlations. The results indicate a negative correlation (-0.68) between the percentage of code comments in modified classes and the average issue resolution time. A stronger negative correlation (-0.73) was found between the percentage of useful code comments to all comments in modified classes and the average issue resolution time per class. These findings demonstrate that code with more comments, particularly useful ones, leads to faster issue resolution. This serves as a basis for further research into the impact of various fine-grained comment types on issue resolution time in different programming languages. Also, it can assist developers in writing more effective comments that accelerate bug-fixing and reduce software maintenance efforts. © 2023 IEEE.

关键词： Computer software maintenance

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Investigating the Relation between Code Comments and Issue Resolution Time in Java Repositories

Investigating the Relation between Code Comments and Issue R...

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IEEE International Conference on Intelligent Computing and Information Systems (ICICIS)

作者： Ahmed Ashraf Hamza mohammad El-Ramly manar ElKady M.Sc. in Software Engineering Program Faculty of Computers and Artificial Intelligence Cairo University Cairo Egypt Department of Computer Sciences Faculty of Computers and Artificial Intelligence Cairo University Cairo Egypt

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Implication of Web-Based Open-Source Application in Assessing Design Practice Reliability: In Case of ERA’s Road Projects 4th

Implication of Web-Based Open-Source Application in Assessin...

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4th International Conference on Information and Communication Technology for Intelligent Systems, ICTIS 2020

作者： mohammed, Bilal Kedir mahapatra, Sudhir Kumar Potdar, Avinash m. M.Sc. in Road and Transport Engineering College of Architecture and Civil Engineering AASTU Addis Ababa Ethiopia Software Engineering Department College of Electrical and Mechanical Engineering AASTU Addis Ababa Ethiopia Road and Transportation Department of Civil Engineering College of Architecture and Civil Engineering AASTU Addis Ababa Ethiopia

ISBN: (纸本)9789811570612

Unreliable design practices on Ethiopian road construction projects have become a crucial matter concerning the late completion of road construction projects, high-cost overruns, and premature failures. The present research encompasses the revealed preference and stated preference data conducted through traditional printed questionnaires versus online Web-based cellular phone questionnaires for assessing design practice concerning design firms of road projects administered by Ethiopian Roads Authority. Online real-time application-based questionnaire has developed for the data collection and interpretation. Existing road design practices of the design firms regarding managing and evaluating information through planning, monitoring were assessed statistically and will helpful for those, involved in design management and the development of tools and practices to improve design reliability in engineering and construction industries. © 2021, The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Construction industry

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Towards a Conceptual model for Assessing User Satisfaction in metaverse-Based Learning

Towards a Conceptual Model for Assessing User Satisfaction i...

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International Conference on Information Technology (ICIT)

作者： Awf Alhalaybeh Ahmad Althunibat Bassam m. Al-mahadeen Khaldoun Khalil Habashneh Ali mohammad Daradkeh (M.Sc.) of Software Engineering Al-Zaytoonah University of Jordan Madaba Jordan Software Engineering Al-Zaytoonah University of Jordan Amman Jordan Department of Computer Science Mu'tah University Alkarak Jordan Department of Basic Sciences (Humanities and Scientifics) / Faculty of Arts Al-Zaytoonah University of Jordan Amman Jordan Accreditation of Higher Education Institutions and Quality Assurance (AQACHEI) Amman Jordan

this paper proposes a conceptual model for assessing user satisfaction in metaverse-based learning, a novel field that utilizes virtual reality technology to create an immersive and interactive learning experience. Despite the growing popularity of metaverse-based learning, there is a lack of research on how to evaluate user satisfaction in this type of learning environment. The proposed model includes four factors: Perceived Trialability, Perceived Observability, User Compatibility, and Perceived Complexity, each of which can be measured using statistical methods. The study aims to address the research gap in evaluating user satisfaction in metaverse-based learning and provides a model for educators and researchers to assess and improve user satisfaction in this innovative learning environment. The findings of this study contribute to the growing body of literature on metaverse-based learning and provide insights into the unique challenges associated with implementing this technology in educational settings.

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software architecture for next-generation AI planning systems

arXiv

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arXiv 2021年

作者： Graef, Sebastian Georgievski, Ilche M.Sc. in Software Engineering University of Stuttgart Germany Service Computing Department Institute of Architecture of Application Systems University of Stuttgart Germany

Artificial Intelligence (AI) planning is a flourishing research and development discipline that provides powerful tools for searching a course of action that achieves some user goal. While these planning tools show excellent performance on benchmark planning problems, they represent challenging software systems when it comes to their use and integration in real-world applications. In fact, even in-depth understanding of their internal mechanisms does not guarantee that one can successfully set up, use and manipulate existing planning tools. We contribute toward alleviating this situation by proposing a service-oriented planning architecture to be at the core of the ability to design, develop and use next-generation AI planning systems. We collect and classify common planning capabilities to form the building blocks of the planning architecture. We incorporate software design principles and patterns into the architecture to allow for usability, interoperability and reusability of the planning capabilities. Our prototype planning system demonstrates the potential of our approach for rapid prototyping and flexibility of system composition. Finally, we provide insight into the qualitative advantages of our approach when compared to a typical planning tool. Copyright © 2021, The Authors. All rights reserved.

关键词： software architecture

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Dynamic estimates of pressure and CO₂-storage capacity in carbonate reservoirs in a depleted gas field, northeastern Thailand

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Case Studies in Chemical and Environmental engineering 2023年 8卷

作者： Jitmahantakul, Sukonmeth Chenrai, Piyaphong Chaianansutcharit, Thotsaphon Assawincharoenkij, Thitiphan Tang-on, Alongkorn Pornkulprasit, Pornphun M.Sc. Program in Petroleum Geoscience Faculty of Science Chulalongkorn University Bangkok 10330 Thailand Basin Analysis and Structural Evolution Research Unit (BASE RU) Department of Geology Faculty of Science Chulalongkorn University Bangkok 10330 Thailand Applied Mineral and Petrology Special Task Force for Activating Research (AMP STAR) Department of Geology Faculty of Science Chulalongkorn University Bangkok Thailand Department of Mining and Petroleum Engineering Faculty of Engineering Chulalongkorn University Thailand Bangkok 10330 Thailand SLB Phaholyothin Road Chatuchak Bangkok 10330 Thailand

Onshore geological storage of CO2 is focused in northeastern Thailand. This study presents a case study on numerical simulations of CO2 injection into Permian carbonate reservoir in the Sin Phu Horm gas field, which w... 详细信息

Onshore geological storage of CO₂ is focused in northeastern Thailand. This study presents a case study on numerical simulations of CO₂ injection into Permian carbonate reservoir in the Sin Phu Horm gas field, which will become a depleted gas field in 2037. schlumberger Petrel and ECLIPSE are used for reservoir modeling and simulation. One injection well located at the crest of the anticlinal structure is designed to perform injection of CO₂ into the dolomite unit of the Pha Nok Khao Formation at approximately 2037 m from earth surface. This simulation of CO₂ injection aims to verify cumulative amount of CO₂ after injection and to predict reservoir pressure for 50 years. The results show that at the end of 50-year CO₂ injection, reservoir pressure increases from 2478 to 2750 psi. The latest pressure remains below the initial pressure (3900 psi) at the beginning of production phase in 2007. With injection rate at 530 tCO₂ per day or 0.19 mtCO₂ per year up to 50 years, the total amount of injected CO₂ in the reservoir is 9.5 mt. This case study demonstrates that the dolomite reservoir of the Sin PHu Horm field can accommodate CO₂ from constant injection rate at 530 tCO₂ per day or up to 50 years. The findings can guide site selection decisions in Permian carbonate reservoirs for CO₂ storage demonstrations. © 2023

关键词： Carbonate reservoir Geological CO2 storage Khorat plateau Numerical simulation

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Phase diagram and mechanical properties of a CoCrFeNi1-xTiX high entropy alloy fabricated by mechanical alloying

Phase diagram and mechanical properties of a CoCrFeNi1-xTiX ...

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materials science and Technology 2019, mS and T 2019

作者： Anis, Geraldine Youssef, mostafa Attallah, moataz Salem, Hanadi G. Nanotechnology M.Sc. Program American University in Cairo AUC Avenue P.O. Box 74 New Cairo11835 Egypt Mechanical Engineering Department American University in Cairo AUC Avenue P.O. Box 74 New Cairo11835 Egypt School of Metallurgy and Materials University of Birmingham BirminghamB15 2TT United Kingdom

ISBN: (纸本)0873397703

High entropy alloys (HEA) have gained significant interest from researchers in recent years due to their potential to outperform conventional alloys in many applications, especially in high temperature, tribological, and biomedical engineering applications. In this study, a phase diagram of the CoCrFeNi1-xTix alloy system produced by the Calculation of Phase Diagrams (CALPHAD) method is presented. The developed diagram was used to select a non-equiatomic composition of the CoCrFeNi1-xTix alloy that results in a single face-centered cubic (FCC) solid solution phase. Using the selected composition, a HEA was fabricated by mechanical alloying and characterized for its structural evolution and mechanical properties. Sintering was employed for the consolidation of the powders. This study capitalizes on the use of computational methods for the effective design of HEAs with predetermined structures for desired applications. Copyright © 2019 mS&T19®

关键词： Powder metallurgy

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Self-Awareness for Autonomous Systems

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PROCEEDINGS OF THE IEEE 2020年第7期108卷 971-975页

作者： Dutt, Nikil Regazzoni, Carlo S. Rinner, Bernhard Yao, Xin Nikil Dutt (Fellow IEEE) received the Ph.D. degree from the University of Illinois at Urbana–Champaign Champaign IL USA in 1989.""He is currently a Distinguished Professor of computer science (CS) cognitive sciences and electrical engineering and computer sciences (EECS) with the University of California at Irvine Irvine CA USA. He is a coauthor of seven books. His research interests include embedded systems electronic design automation (EDA) computer architecture distributed systems healthcare Internet of Things (IoT) and brain-inspired architectures and computing.""Dr. Dutt is a Fellow of ACM. He was a recipient of the IFIP Silver Core Award. He has received numerous best paper awards. He serves as the Steering Committee Chair of the IEEE/ACM Embedded Systems Week (ESWEEK). He is also on the steering organizing and program committees of several premier EDA and embedded system design conferences and workshops. He has served on the Editorial Boards for the IEEE Transactions on Very Large Scale Integration (VLSI) Systems and the ACM Transactions on Embedded Computing Systems and also previously served as the Editor-in-Chief (EiC) for the ACM Transactions on Design Automation of Electronic Systems. He served on the Advisory Boards of the IEEE Embedded Systems Letters the ACM Special Interest Group on Embedded Systems the ACM Special Interest Group on Design Automationt and the ACM Transactions on Embedded Computing Systems. Carlo S. Regazzoni (Senior Member IEEE) received the M.S. and Ph.D. degrees in electronic and telecommunications engineering from the University of Genoa Genoa Italy in 1987 and 1992 respectively.""He is currently a Full Professor of cognitive telecommunications systems with the Department of Electrical Electronics and Telecommunication Engineering and Naval Architecture (DITEN) University of Genoa and a Co-Ordinator of the Joint Doctorate on Interactive and Cognitive Environments (JDICE) international Ph.D. course started initially as EU Erasmus Mundus Project and

Autonomous systems are able to make decisions and potentially take actions without direct human intervention, which requires some knowledge about the system and its environment as well as goal-oriented reasoning. In computer systems, one can derive such behavior from the concept of a rational agent with autonomy (“control over its own actions”), reactivity (“react to events from the environment”), proactivity (“act on its own initiative”), and sociality (“interact with other agents”) as fundamental properties \n[1]\n. Autonomous systems will undoubtedly pervade into our everyday lives, and we will find them in a variety of domains and applications including robotics, transportation, health care, communications, and entertainment to name a few. \nThe articles in this month’s special issue cover concepts and fundamentals, architectures and techniques, and applications and case studies in the exciting area of self-awareness in autonomous systems.

关键词： Special issues and sections Autonomous systems Self-aware Robot sensing systems Computational modeling

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Antibiotic prescription in a teaching hospital: a brief assessment

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Revista da Associação médica Brasileira (English Edition) 2011年第4期57卷 414-417页

作者： marcelo Carneiro Tanise Ferraz marina Bueno Bruna Elisa Koch Camyla Foresti Virginia F. Lena Janete A. machado Janine m. Rauber Eliane C. Krummenaauer Dóris m. Lazaroto Infectologist M.Sc. in Microbiology Universidade Estadual de Londrina (UEL) Ph.D. Student in Medicine/Medical Sciences Universidade Federal do Rio Grande do Sul (UFRGS) Assistant Professor of Infectology Universidade de Santa Cruz do Sul (UNISC) President of Associação Gaúcha de Profissionais em Controle de Infecção Hospitalar (2001–2013) CCIH Coordinator Hospital Santa Cruz (HSC) Santa Cruz do Sul RS Brazil Medical Students at UNISC Interns at CCIH-HSC Santa Cruz do Sul RS Brazil Nurse Technician HSC Santa Cruz do Sul RS Brazil M.Sc. in Pharmaceutical Sciences UFRGS Pharmacist CCIH-HSC Santa Cruz do Sul RS Brazil Vice-coordinator Nurse of CCIH-HSC Post-graduation Program Professor UNISC Santa Cruz do Sul RS Brazil General Surgeon M.Sc. in Production Engineering UFRGS Assistant Professor of Surgery UNISC Santa Cruz do Sul RS Brazil

Objective Antimicrobials are used interchangeably in medical practice, contributing to the emergence of resistant microbial strains. methods This study describes the antimicrobial audit performed by forecasting analysis of medical records of 846 patients at the Hospital Santa Cruz, Santa Cruz do Sul - Rio Grande do Sul - Brazil. Results Of the patients studied, 134 (15.8%) received antimicrobials. The audit was conducted interactively, with intervention and discussion with the prescriber. Considering the presumptive diagnosis and prescribed drug, it was verified that 74.6% of patients on antimicrobials received what was considered the first choice treatment. Inadequate antimicrobial agent for clinical diagnosis (5.2%) and lack of adjustment for renal function (43.7%) were the most frequent errors. Conclusion A strategic plan aimed at the rational use of antimicrobials based on educational and interventionist practices can help the infection control professional to adjust the routines to improve healthcare quality.

关键词： Clinical audit infection control services, hospital hospital infection control program anti-bacterial agents

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Abstracts Of Shellfish Technical Papers Presented at the joint meeting of the Northeast Aquaculture Conference and Exposition milford Aquaculture Seminar and the International Conference on Shellfish Restoration Groton, Connecticut December 12–15, 2012

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Journal of Shellfish Research 2013年第2期32卷 571-612页

作者： Walter Blogoslawski Christopher Davis Dorothy Leonard Lisa milke Steven Allen Peter Bergstrom A.C. Carpenter mark Luckenbach Kennedy Paynter Angela Sowers Eric Weissberger James Wesson Stephanie Westby Steven Allen Stephanie Westby Claire O'Neil Angela Sowers Eric Weisberrger Oliver Bender Peter Boyce Gabriel Betty mark Borrelli Anamarija Frankic Curtis Felix Jennifer Wilson Peter Boyce Oliver Bender Suzanne Bricker Tessa Getchis Cary Chadwick Julie Rose Cori Rose Kelsey Brockett Jessica Peterman David Bushek Daphne munroe Eric Powell Lisa Calvo Barney Hollinger William Riggin William Shadel Jenny Paterno Ryan Carnegie David Bushek Carole Cyr Lisandre G. Solomon Francoise Bourque Tyler Carrier Stephen Eddy Sarah Redmond James Cervino Rand Weeks Jason Shorr Carmen Lin Dajana Gjoza Thomas J. Goreau Erik Chapman Derrick Chelikowsky Diane Kapareiko Dorothy Jefferess Gary Wikfors Carmela Cuomo Joseph Choromanski Sheila Stiles Dorothy Jeffress Haley Ladeau Loren Coen Boze Hancock Lesley Baggett Sean Powers Rob Brumbaugh Summer morlock Bryan DeAngelis Anne Cohen Daniel mcCorkle Gail schwietermann Kathryn Rose Dave Conley SaiGiridhar Dasika April Croxton Soren Dahl Debra Barnes Bassem Allam Jonathan Davis Brian Allen Betsy Peabody Jonathan Davis Julie Davis William Walton Donatella Del Piero michael Devin molly Flanagan Paul Rawson Chauncey Devin Dana morse mark S. Dixon Genevieve Bernatchez Kelsey Boeff Eve Galimany Yaqin Li Aynur Lok Shannon L. meseck marguerite Petit Sean Dixon Sam Lee Dennis O'Connor Kelly Drake Shelley Edmundson Elizabeth Fairchild melissa Evans Allison Fitzgerald Chester Zarnoch William Wallace Amy Fitzpatrick Gef Flimlin Sandra macfarlane Gef Flimlin Thomas Foca David Bushek Timothy Visel Walter Blogoslawski Deborah A. Bouchard Joseph Buttner John Ewart Ann Faulds George E. Flimlin Doris Hicks Craig Hollingsworth Andrew Lazur Dale Leavitt Dennis mcIntosh Dana L. morse Tom Rippen Gregg Rivara Roxanna Smolowitz Dan Terlizzi Don Webster michael Chambers Diane C. murphy Robert Pomeroy Josh Reitsma mic U.S. Department of Commerce National Oceanic and Atmospheric Administration National Marine Fisheries Service Northeast Fisheries Science Center Milford Laboratory 212 Rogers Avenue Milford CT 06460 Maine Aquaculture Innovation Center 5717 Corbett Hall Room 436 Orono ME 04469 Ocean Equities LLC 776 Rolling View Drive Annapolis MD 21409. Oyster Recovery Partnership 1805A Virginia St Annapolis MD 21401 NOAA Chesapeake Bay Office 410 Severn Ave Suite 207-A Annapolis MD 21403 Potomac River Fisheries Commission 222 Taylor St Colonial Beach VA 22443 Virginia Institute of Marine Science Eastern Shore Laboratory PO Box 350 Wachapreague VA 23480 1213 HJ Patterson Hall University of Maryland College Park MD 20742 U. S. Army Corps of Engineers Baltimore District P.O. Box 1715 Baltimore MD 21203 Maryland Department of Natural Resources 580 Taylor Ave Annapolis MD 21401 Virginia Marine Resources Commission 2600 Washington Ave Newport News VA 23607 NOAA Restoration Center 410 Severn Ave Annapolis MD 21403. Oyster Recovery Partnership 1805A Virginia St Annpolis MD 21401 National Oceanographic and Atmospheric Administration 410 Severn Ave Suite 107-A Annapolis MD 21403 USA Army Corps of Engineers 10 South Howard St Baltimore MD 21201 Maryland Department of Natural Resources 580 Taylor Ave Tawes State Office Building Annapolis MD 21401. Maria Mitchell Association 4 Vestal St Nantucket MA 02554 Maria Mitchell Association 65 Meadowview Drive Nantucket MA 02554. University of Rhode Island 620 Main St. Hopkinton RI 02832. Provincetown Center for Coastal Studies 5 Holway Avenue Provincetown MA 02657 University of Massachusetts Boston 100 Morrissey Blvd Boston Massachusetts Boston MA Town of Wellfleet 300 Main Street Wellfleet Massachusetts MA 02667. Maria Mitchell Association 65 Meadowview Dr Nantucket MA 02554. NOAA National Center for Coastal Ocean Science 1305 East West Highway Room 8110 Silver Spring MD 20910 Connecticut Sea Grant University o

It was with great excitement that we planned the combined meetings of Northeast Aquaculture Conference and Exposition (NACE) and the International Conference on Shellfish Restoration (ICSR) with the 33rd milford Aquaculture Seminar (mAS). Bringing these different but complementary audiences together resulted in a meeting that combined many different aspects of fisheries restoration and aquaculture under one *** hundred attendees including government representatives, research scientists, industry, and academia at both the university and vocational high school levels attended this event. The meeting commenced on Wednesday December 12th 2012, with over eighty people attending seven field trips to area aquaculture farms and research facilities. The formal program began on Thursday, December 13th with a plenary session including invited speakers Eric schwabb, Acting Assistant Secretary for Conservation and management at NOAA; Sebastian Belle, Executive Director of the maine Aquaculture Association and Boze Hancock from the Nature Conservancy, who discussed the role of aquaculture in fisheries restoration. John Bullard, the Northeast Regional Administrator of NOAA Fisheries Service, addressed the group during the luncheon the following day. The technical papers and workshops presented were divided into 35 sessions over three days of the meeting and included topics such as the history of aquaculture, aquaculture hatchery innovations, siting and planning issues, risk management, aquaculture business management, ocean acidification, climate change, as well as aquaculture disease issues and potential remedies. Having persons present who have experienced problems and successes, along with those in manufacturing and government responsible for addressing concerns and sharing best practices, was invaluable. Discussions among this cross-section of persons who represent different aspects of aquaculture were as important as the well-presented and interesting formal papers

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