Theorem about Amplification of Relational Algebra by Recursive Objects

Theorem about Amplification of Relational Algebra by Recursive Objects

מידע ביבליוגרפי
Parent link:Knowledge Engineering and Management: Scientific Journal
Vol. 123.— 2011.— [P. 591-596]
מחבר ראשי: Sokolova V. V. Veronika Valerievna
מחברים אחרים: Zamyatina O. M. Oksana Mikhailovna
סיכום:Title screen
This paper discusses relational algebra extended by recursive relations (tables). The interpretation of the recursive table is proposed, the closure of the extended relational algebra is proved, and a new approach to modeling a physical database structure is offered that is suitable for representing complicated hierarchical data sets. It combines methods of set theory for the recursive relations within the framework of a single modeling paradigm, which allows users to define self-similar, partially self-similar, or hierarchical sets. The use of recursive relations in the definitions of self-similar objects yields representations that can be rendered at varying levels of detail or precision at run time
Режим доступа: по договору с организацией-держателем ресурса
שפה:אנגלית
יצא לאור: 2011
נושאים:
электронный ресурс
труды учёных ТПУ
גישה מקוונת:http://link.springer.com/chapter/10.1007/978-3-642-25661-5_72
פורמט: אלקטרוני Book Chapter
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=636418

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