Data Dependencies in Codd's Relational Model with Similarities

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F08%3A00005688" target="_blank" >RIV/61989592:15310/08:00005688 - isvavai.cz</a>

Výsledek na webu

—

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

Data Dependencies in Codd's Relational Model with Similarities

Popis výsledku v původním jazyce

This chapter deals with data dependencies in Codd?s relational model of data. In particular, we deal with fuzzy logic extensions of the relational model which consist in adding similarity relations to domains and consider functional dependencies in theseextensions. We present a particular extension and functional dependencies in this extension which follows the principles of fuzzy logic in narrow sense. We present selected features and results regarding this extension. Then, we use this extension as areference model and compare it to several other extensions proposed in the literature. We argue that following the principles of fuzzy logic in narrow sense the same way as following the principles of classical logic in case of ordinary Codd's relationalmodel helps achieve transparency, versatility, conceptual clarity, and theoretical and computational tractability of the extension. We outline several topics for future research.

Název v anglickém jazyce

Data Dependencies in Codd's Relational Model with Similarities

Popis výsledku anglicky

This chapter deals with data dependencies in Codd?s relational model of data. In particular, we deal with fuzzy logic extensions of the relational model which consist in adding similarity relations to domains and consider functional dependencies in theseextensions. We present a particular extension and functional dependencies in this extension which follows the principles of fuzzy logic in narrow sense. We present selected features and results regarding this extension. Then, we use this extension as areference model and compare it to several other extensions proposed in the literature. We argue that following the principles of fuzzy logic in narrow sense the same way as following the principles of classical logic in case of ordinary Codd's relationalmodel helps achieve transparency, versatility, conceptual clarity, and theoretical and computational tractability of the extension. We outline several topics for future research.

Druh

C - Kapitola v odborné knize

CEP obor

BD - Teorie informace

OECD FORD obor

—

Projekt

—

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2008

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název knihy nebo sborníku

Handbook of Research on Fuzzy Information Processing in Databases

ISBN

978-1-59904-853-6

Počet stran výsledku

24

Strana od-do

634-657

Počet stran knihy

850

Název nakladatele

IGI Global, USA

Místo vydání

Hershey (PA)

Kód UT WoS kapitoly

—