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2024 International Symposium of Systems, Advanced Technologies and Knowledge, ISSATK 2024

作者： Bohalfaya, Huda M. Elakeili, Salwa M. Abdelnabi, Esra A. Maatuk, Abdelsalam A. University of Benghazi Libya Libyan International Medical University Libya

ISBN: (纸本)9798331540173

object-relational conceptual modeling tools do not support all new concepts available in SQL4. This study presents an enhanced empirical research framework for object-relational database design based on conceptual modeling. This paper describes a proposal for heuristic rules for designing an object-relational database and translating data and relationship semantics from the conceptual schema generated by a UML class diagram to its logical schema counterpart by SQL:2008. A set of rules has been proposed that help visualize and implement object-relational databases, allowing the user to create a script model of a database using SQL. The study explains the importance of these guidelines and gives a detailed explanation of the proposed rules with an illustrative example. The proposed method was evaluated by applying it to a case study and comparing the results with other methods and proposals. This study confirms that modern technologies and new databases play an important role in the success of software design, so it attempts to facilitate the design process and help software developers understand this type of database and save them time and effort. © 2024 IEEE.

关键词： object-oriented databases

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Developing an object-oriented model database of the smart library of the works of medieval scientists of Uzbekistan 3

Developing an object-oriented model database of the smart li...

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3rd International Conference on Digital Technologies, Optics, and Materials Science, DTIEE 2024

作者： Bakaev, Ilkhom Shafiev, Tursun Eshankulov, Xamza Ataeva, Gulsina Bukhara State University 11 M. Iqbol Bukhara City200100 Uzbekistan

ISBN: (纸本)9781510681590

The article considers the issue of developing an object-oriented database model of the electronic library of the works of medieval scientists of Uzbekistan. Based on the formulated requirements for the software platform and its information content, the main objects, their attributes and permissible connections between objects were determined. The ER model and the corresponding logical and physical database models were developed taking into account common approaches to the formalization of bibliographic information and the general trend in the evolutionary development of the architecture and functionality of electronic libraries. The developed object-oriented model and database structure made it possible to optimize the composition and structure of the source information for the tasks of the electronic library system. Subsequent analysis of the developed model from the point of view of how successfully it allows solving the tasks of readers showed that the designed database, with minimal redundancy, has good data consistency and operability, has the properties of flexibility and extensibility to adapt to more complex tasks that may arise with further development of the system. © 2024 SPIE.

关键词： object-oriented databases

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Reasoning with constraints in database models 31

Reasoning with constraints in database models

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31st Symposium of Advanced Database Systems, SEBD 2023

作者： Beneventano, Domenico Bergamaschi, Sonia Lodi, Stefano Sartori, Claudio Department of Engineering "Enzo Ferrari" University of Modena and Reggio Emilia Via P.Vivarelli n.10 Modena Italy Department of Computer Science and Engineering University of Bologna Viale del Risorgimento n.2 Bologna Italy

Integrity constraints are rules which should guarantee the integrity of a database. Provided that an adequate mechanism to express them is available, the following question arises: is there any way to populate a database which satisfies the constraints supplied by a designer? Constraints are expressed in various fashions, depending on the data model: in logic environment they are usually some subset of first order logic formulas, SQL2 allows general forms of inclusion dependencies and predicates to be evaluated on row values, while in OODBMSs most of the stuff is often left to the writing of methods. The contribution of the present work is twofold: first, to extend the expressiveness of complex object data models to capture the semantics of a relevant set of state constraints;second, to provide a specialized reasoner based on the tableaux calculus which is able to check the coherence of an object database schema with constraints. © 2023 CEUR-WS. All rights reserved.

关键词： object-oriented databases

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Monitoring road infrastructures from satellite images in Greater Maputo: an object-oriented classification approach

arXiv

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arXiv 2024年

作者： Burzacchi, Arianna Landrò, Matteo Vantini, Simone MOX Laboratory Department of Mathematics Politecnico di Milano Piazza Leonardo da Vinci 2 Milano20133 Italy SAS Institute Inc. 100 SAS Campus Drive CaryNC27513 United States

The information about pavement surface type is rarely available in road network databases of developing countries although it represents a cornerstone of the design of efficient mobility systems. This research develops an automatic classification algorithm for road pavement which makes use of satellite images to recognize road segment as paved or unpaved. The proposed methodology is based on an object-oriented approach, so that each road is classified by looking at the distribution of its pixels in the RGB space. The proposed approach is proven to be accurate, inexpensive, and can be straightforwardly extended from the single case study of Greater Maputo to other cities. Copyright © 2024, The Authors. All rights reserved.

关键词： object-oriented databases

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Dynamic and Scalable Data Preparation for object-Centric Process Mining

arXiv

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arXiv 2024年

作者： Bosmans, Lien Peeperkorn, Jari Goossens, Alexandre Lugaresi, Giovanni De Smedt, Johannes De Weerdt, Jochen Business & Data Analyst Randstad Digital Leuven Belgium KU Leuven Leuven Belgium KU Leuven Leuven Belgium

object-centric process mining is emerging as a promising paradigm across diverse industries, drawing substantial academic attention. To support its data requirements, existing object-centric data formats primarily facilitate the exchange of static event logs between data owners, researchers, and analysts, rather than serving as a robust foundational data model for continuous data ingestion and transformation pipelines for subsequent storage and analysis. This focus results into suboptimal design choices in terms of flexibility, scalability, and maintainability. For example, it is difficult for current object-centric event log formats to deal with novel object types or new attributes in case of streaming data. This paper proposes a database format designed for an intermediate data storage hub, which segregates process mining applications from their data sources using a hub-and-spoke architecture. It delineates essential requirements for robust object-centric event log storage from a data engineering perspective and introduces a novel relational schema tailored to these requirements. To validate the efficacy of the proposed database format, an end-to-end solution is implemented using a lightweight, open-source data stack. Our implementation includes data extractors for various object-centric event log formats, automated data quality assessments, and intuitive process data visualization capabilities. © 2024, CC BY.

关键词： object-oriented databases

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An Intelligent Shift Towards High-Performance Database Engines Including Autonomous databases Using Derived Transient objects from the Persistent at the Runtime

An Intelligent Shift Towards High-Performance Database Engin...

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2021 IEEE International Conference on Technology, Research, and Innovation for Betterment of Society, TRIBES 2021

作者： Goswami, Pankaj K. Sharma, Avinash Amity University Uttar Pradesh Amity Institute of Information Technology Lucknow India

ISBN: (纸本)9781665433426

Database as the organized backend support is creating the usefulness of the online applications. The structured arrangement of data plays a vital role while accessing the information quickly and easily. The next generation of databases will be an increasingly diverse array of database technologies using massive analytics and Big Data. The adaptability of the object-oriented and autonomous database is taking place for future applications based on real-time data. © 2021 IEEE.

关键词： object-oriented databases

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The system safety database: Use cases and applications

The system safety database: Use cases and applications

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2016 Industrial and Systems Engineering Research Conference, ISERC 2016

作者： Shetty, Shravan Faucett, Christopher Avnet, Mark S. Texas A&M University College StationTX77843-3131 United States

This paper presents the current status in the design of the System Safety Database, a comprehensive object-oriented database capable of generating reports, statistics, and lessons learned from a variety of disparate system contexts. Unlike existing tools that document a subset of major accidents in specific contexts, the System Safety Database will include a complete array of case studies, methods, tools, regulations, regulatory agencies, and expert contributions that will allow users to draw parallels and develop appropriate strategies to address system safety. The database will facilitate analysis across disciplines and contexts, allowing researchers and practitioners to use integrated mixed-methods approaches to conduct investigations, analyses, research, and development activities across multiple levels of a system. The paper addresses the critical need for such a database, discusses the related research effort to characterize nuanced system safety issues that guide the definition of appropriate data structures, identifies the system's primary classes of users (designers, safety engineers, managers, researchers, accident investigators, and policymakers), and presents several use cases for the system. When completed, the database will provide stakeholders at all levels, from individual operators to policymakers, with the tools and perspectives needed to improve the safety of complex socio-technical systems. © 2016 Proceedings of the 2016 Industrial and Systems Engineering Research Conference, ISERC 2016. All rights reserved.

关键词： object-oriented databases

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Detection of Memory Leaks in C/C++

Detection of Memory Leaks in C/C++

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2020 IEEE International Students' Conference on Electrical, Electronics and Computer Science, SCEECS 2020

作者： Jain, Rahul Agrawal, Raksha Gupta, Riyanshi Jain, Rajat Kumar Kapil, Neha Saxena, Ankit Medi-Caps University Department of Electronics and Communication Indore India

ISBN: (纸本)9781728148625

Memory leaks are one of the main reasons for Software Aging. Irrespective of recent countermeasures in C/C++ such as smart pointers, leak-related issues remain a troublesome issue in C/C++ code. We propose an algorithm for automatic detection of memory leaks in C/C++ programs based on solving disjoint sets of graphs which comprises of memory objects as nodes and their references as edges in order to find the memory leaks within the application. For this an object database and structure database is created and MLD algorithm is applied. Thus, it helps in keeping a record of memory leaks in the application. © 2020 IEEE.

关键词： object-oriented databases

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Effects of edges on species and structural diversity of woody plants in managed forests of Poland

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Forest Ecology and Management 2025年 593卷

作者： Budniak, Piotr Zięba, Stanislaw Forest Research Institute Department of Forest Resources Management Sękocin Stary ul. Braci Leśnej 3 Raszyn05-090 Poland University of Agriculture in Krakow Faculty of Forestry Department of Forest Resources Management Al. 29 Listopada 46 Krakow31-425 Poland

Forest edges differ from forest interiors due to the edge effect. This paper presents the results of a study aimed at evaluating the response of forest stands to the influence of edges under different site conditions. The research material consisted of two datasets: the National Forest Inventory (NFI), a database that stores field measurements, and the Topographic object Database, a database that stores land-use types. The NFI plots were divided into two sets: edge and interior. For each NFI plot, indices of woody species diversity and structural diversity were calculated based on the Shannon–Weiner formula, which was used to compare the interior and edge areas. Our findings show that species diversity (Hsp) increased with stand age, but was significantly higher at the edges only in stands older than 60 years. In addition, significantly higher values for the diversity indices of diameter at breast height (Hdbh) and height (Hh) were found at forest edges, but only at nutrient-poor sites. Furthermore, significant effects of interaction were found between zone (edge or interior) and stand age or site conditions for the magnitude of the above indices. The redundancy analysis demonstrated the importance of information on the occurrence of edges for modelling tree species abundance. This study shows that the influence of edges varies in forests, which is why the results of the assessment of edge influence in forests should not be generalized, but rather related to local site conditions, the age structure of the stands, and the management system. © 2025 Elsevier B.V.

关键词： object-oriented databases

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Building signature file hierarchies into object-oriented databases

Building signature file hierarchies into object-oriented dat...

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6th IASTED International Conference on Software Engineering and Applications, SEA 2002

作者： Chen, Yangjun Dept. Business Computing Winnipeg University 515 Portage Ave. Winnipeg MB R3B 2E9 Canada

ISBN: (纸本)0889863237

Although object-oriented database systems offer more powerful modeling capability than relational database systems, their performance suffers from the increased complexity in the data model. Recently, a lot of research has been directed to mitigating this problem by building indexes over single classes, class hierarchies or nested object hierarchies. In this paper, we propose a new indexing method. It is based on the technique of signature files, but differs from the existing methods in two aspects: (1) all the signature files are organized into a hierarchy to filter irrelevant data as early as possible;(2) a signature file itself is stored as a tree structure (called a signature tree) to speed up the signature scanning. Together with the concept of query signature hierarchies, this technique reduces the search space dramatically and therefore improves significantly the time complexity of query evaluation.

关键词： object-oriented databases

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