Quantifiers in Action: Generalized Quantification in Query, Logical and Natural LanguagesThe database industry is a multi-billion, world-wide, all-encompassing part of the software world. Quantifiers in Action: Generalized Quantification in Query, Logical and Natural Languages introduces a query language called GQs—Generalized Quantification in Query. Most query languages are simply versions of First Order Logic (FOL). GQs are an extension of the idea of quantifier in FOL. GQs are a perfect example of a practical theory within databases. This book provides a brief background in logic and introduces the concept of GQs, and then develops a query language based on GQs. Using Query Language with Generalized Quantifiers, the reader explores the efficient implementation of the concept, always a primary consideration in databases. This professional book also includes several extensions for use with documents employing question and answer techniques. Designed for practitioners and researchers within the database management field; also suitable for advanced-level students in computer science. |
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... Semantics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.2.2 Meaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.3 More on Quantification. . . . . . . .
... minimal changes were introduced to both the syntax and the semantics of the language. He introduced a new symbol, Qא, and used in formulas as follows: Qא x φ(x) where φ was an arbitrary FOL formula with x the 2 1 Introduction.
... Semantics The basic semantic relationship is that between expressions in the language and structures. A L-structure A gives meaning to the symbols in a language with vocabulary L, in the sense that for any relational symbol R, the ...
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Contents
1 | |
7 | |
9780387095646_3_OnlinePDF | 24 |
9780387095646_4_OnlinePDF | 37 |
9780387095646_5_OnlinePDF | 55 |
9780387095646_6_OnlinePDF | 73 |
9780387095646_7_OnlinePDF | 90 |
9780387095646_8_OnlinePDF | 107 |
9780387095646_9_OnlinePDF | 127 |
9780387095646_10_OnlinePDF | 149 |
9780387095646_BookBackmatter_OnlinePDF | 157 |
Other editions - View all
Quantifiers in Action: Generalized Quantification in Query, Logical and ... M. P. Fourman,C. J. Mulvey,Dana S. Scott No preview available - 1979 |