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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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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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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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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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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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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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mONITORING WELL COmPLETION EVALUATION WITH BOREHOLE GEOPHYSICAL DENSITY LOGGING

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GROUND WATER mONITORING AND REmEDIATION 1991年第1期11卷 103-111页

作者： YEARSLEY, EN CROWDER, RE IRONS, LA Elliot N. Yearsley is a geological engineer and log analyst for Colog Inc. (Borehole Geophysical Services 1019 Eighth St. Golden CO 80401). He received his B.Sc. in geological engineering from the Colorado School of Mines (CSM) in 1981 later returning to CSM to earn a M.Sc. in engineering mechanics in 1989. Between degrees Yearsley was employed as a geological engineer for Tenneco Oil Co. where he pioneered the use of measurement while drilling (MWD) formation evaluation. He is currently working on new borehole geophysical techniques applied to geotechnical and hydrogeological investigations including monitoring well completion evaluation and full waveform acoustic analysis applied to permeability determinations. Robert E. Crowder is president of Colog Inc. (Borehole Geophysical Services 1019 Eighth St. Golden CO 80401) and has 12 years of diversified experience in borehole geophysical applications including environmental geotechnical and mineral investigations. Prior to forming Colog he was operations manager for Colorado Well Logging for eight years. He has taught numerous courses for client groups in borehole geophysical logging and log interpretation both domestic and international. He received his degree in engineering geophysics from Colorado School of Mines in 1978. Larry A. Irons is a senior associate geophysicist at Ebasco Environmental Services (143 Union Blvd. Ste. 1010 Lakewood CO 80228). He graduated from the University of Nebraska in 1977 with a B.Sc. in geology. During 1977–79 he conducted research for the Antarctic Research Program of the University of Nebraska earning an M.Sc. in geology with a mathematics minor. During 1979–86 Irons worked as an exploration geophysicist for several major oil companies. He is currently conducting remedial investigations of hazardous waste sites using borehole magnetic gravity electromagnetic and seismic geophysical methods.

Grout continuity and the location of the bentonite seal and sand pack in PVC-cased monitoring wells can be evaluated with cased-hole geophysical density logs. This method relies upon density contrasts among various completion conditions and annular materials. Notably, the lack of annular material behind pipe (i.e., void space) creates a low-density zone that is readily detected by borehole density measurements. Acoustic cement bond logging has typically been applied to the evaluation of cement in the annular space of completed oil and gas production wells, and in some cases to ground water monitoring wells. These logs, however, can only be obtained in the fluid-filled portion of the borehole, and their interpretation is severely hindered by the presence of the micro-annulus between casing and cement. The influence of the micro-annulus on cement bond logs can be mitigated in steel-cased wells by pressurizing the wellbore during acquisition of the log, but this procedure is not feasible in PVC-cased monitoring wells. The micro-annulus does not affect cased-hole density logs or their interpretation. Empirical measurements made in the laboratory with density probes provide information on their depths of investigation and response to specific completion conditions. These empirical data, and general knowledge of the density of annular completion materials (sand, bentonite, cement), are used to support interpretations of cased-hole density logs acquired in the field. Three field examples demonstrate the applicability of geophysical density logs to the evaluation of PVC-cased monitoring well completions.

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Report: Automating manual Storeroom Zones in a Factory

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AT&T Technical Journal 1988年第2期67卷 87-94页

作者： Pulat, B. mustafa Hewett, Alan P. W. B. Mustafa Pulat:is a senior engineer in the Material Handling Engineering Department of AT&T Network Systems at the AT&T Oklahoma City Works in Oklahoma City Oklahoma. Mr. Pulat joined AT&T in 1985 and is involved in system development modeling and just-in-time deliveries. He has a B.Sc. and M.Sc. in industrial engineering from the Middle East Technical University in Ankara Turkey and a Ph.D. in industrial engineering from North Carolina State University.Alan P. W. Hewettis a member of technical staff in the Manufacturing Engineering Systems Development Department of AT&T Bell Laboratories in Columbus Ohio. He joined the company in 1978 and designs and develops software for the Material Operations Velocity System (MOVES) a system that automates material handling in AT&T factories. He has a B.A. in chemistry from Kalamazoo College a Ph.D. in chemistry from Yale University and has done postdoctoral work in both chemistry and computer science at Harvard University.

moving, storing, and controlling material efficiently is one of the most challenging problems of manufacturing. In the last twenty years, several different technologies were developed for this purpose, including the automated storage and retrieval system (AS/RS), which featured advancements in real‐time control of machines by computers. Today's AS/RS makes total material‐handling system integration a reality. This paper describes the experience of the AT&T Oklahoma City Works with such a system. © 1988 AT&T Technical Journal

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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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PLANNING URBAN-GROWTH IN-GROUND WATER RECHARGE AREAS - CENTRAL-VALLEY, COSTA-RICA

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GROUND WATER mONITORING AND REmEDIATION 1995年第3期15卷 144-148页

作者： RODRIGUEZESTRADA, H LOAICIGA, H Hugo Rodriguez-Estrada is a hydrogeologist with the Department of Water Resources of the Costa Rican Institute of Water Supply and Sewage (AyA) headquartered in San Jose Costa Rica (Department of Water Resources Instituto Costarricense de Acueductos y Alcantarillados San Jose Costa Rica). His current professional interests reside in the area of ground water supply and protection of wellhead areas in the Central Valley of Costa Rica. Hugo A. Loaiciga is a professor of hydrology in the Department of Geography and Environmental Studies Program at the University of California at Santa Barbara (Department of Geography and Environmental Studies Program University of California Santa Barbara CA 93106). He holds a licensure in civil engineering from the University of Costa Rica and an M.Sc. and a Ph.D. in hydrology and water resources from the University of California at Davis. Dr. Loaiciga is also a registered civil engineer in the state of California. His research interests include the basic principles of the hydrologic cycle at all spatial scales the interaction of surface and ground waters and water supply analysis in arid climates of the western United States.

Nitrate levels in the ground water of the Central Valley of Costa Rica have increased in relation to the past. Previous studies determined that the unsewered sanitation systems in the recharge areas are the main source of nitrogen. Calculations are made in this study to estimate the maximum population density allowable without improved sewage systems in order to keep the nitrogen levels in ground water below the World Health Organization (WHO) criteria. Results were achieved employing a mass balance that involved the concentration and rate of domestic effluents and the flow rate in the aquifer, as well as an estimation of the effects caused by the agricultural activity. It was concluded that, in general terms, the population density must not exceed 45 inhabitants per hectare. Otherwise, sewage systems and treatment plants are necessary. These conclusions provide a basis for urban growth planning, which will protect ground water quality. The method used in this case should apply to similar situations.

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