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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... problems motivated by new areas of practice. It is also the case, in my opinion, that many practitioners consider the establishment of a solid, formal foundation for a practical problem a positive development. In fact, most database 1 ...
... problem and then, like many good ideas, took off with a life of its own. The great logician Mostowski considered the limitations of expressive power of first order logic (henceforth, FOL) and focused on one that seemed somewhat ...
... problem. Since there can be many algorithms for a given problem, careful study of the problem is needed to establish such results -which should hold for all possible algorithms that compute solutions to the problem. In [30], Fagin ...
... problem!). So the bound variables in a formula are not evaluated by giving them a value through the interpretation; rather, they have to take all values (for universal) or pick one certain value (for existential). That is why these ...
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Contents
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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 |