The problems and peculiarities of administrative and management activities in institutions and enterprises of Ukraine were considered and analyzed. The necessary list of divisions that are part of the administration h...
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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 platfo...
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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 datab...
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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 develop...
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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 fac...
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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 gener...
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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 s...
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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 algorith...
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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 researc...
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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.
In this article, we propose a method of object identification in the state of fuzzy object-oriented database schema based on different notions of fuzzy object functional dependencies. Here, fuzzy object functional dep...
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