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What is CLOUDSQL

Chapter 15
Handbook of Research on Fuzzy Information Processing in Databases
The SQL-like interface of CLOUDS.
Published in Chapter:
A Tool for Fuzzy Reasoning and Querying
Geraldo Xexéo (Universidade Federal do Rio de Janeiro, Brazil) and André Braga (IBM Brazil, Brazil)
Copyright: © 2008 |Pages: 26
DOI: 10.4018/978-1-59904-853-6.ch015
Abstract
We present CLOUDS, which stands for C++ Library Organizing Uncertainty in Database Systems, a tool that allows the creation of fuzzy reasoning systems over classic, nonfuzzy, relational databases. CLOUDS can be used in three flavors: CLOUDS API, a C++ API; CLOUDS-L, a compiled language; and CLOUDSQL, a fuzzy extension to SQL queries (ANSI, 1992). It was developed using the objectoriented paradigm and has an extensible architecture based on a main control system that manages different models, and runs queries and commands defined in them. As a test, it was incorporated into a geographic information system and used to analyze epidemiological data.
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