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Excerpt from Using Temporal Logic and Datalog to Query Databases Evolving in Time
In this paper, we study a query language about databases evolving in (infinite) time. The syntax of the query language is based on a predicate temporal logic. The semantics of the language is defined with infinite sequences of database states, which in this paper are determined either by pure Datalog programs or by negated Datalog programs with in?ationary semantics. In general, other mechanisms for defining the semantics, such as production systems, can be used. We analyze the relative expressive power of such a query language and the standard Datalog queries for both pure and negated Datalog programs. We show that our query language has more expressive power than Datalog queries for both pure and negated Datalog programs in general. However, we also prove a surprising technical result that the existential fragment of temporal logic has the same expressive power as Datalog queries for negated Datalog programs with in?ationary semantics. This result implies the collapse of the existential fragment of temporal logic for such programs: any temporal logic formula from that fragment can be reduced to an equivalent formula with a single possibility operator.
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- PublisherForgotten Books
- Publication date2018
- ISBN 10 1333304633
- ISBN 13 9781333304638
- BindingPaperback
- LanguageEnglish
- Number of pages35
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Using Temporal Logic and Datalog to Query Databases Evolving in Time
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Paperback. Condition: New. Print on Demand. This book explores the intriguing intersection of temporal logic and Datalog, two powerful languages used to describe and query databases. The author delves into the concept of "dynamic databases," databases that evolve over time, and presents a framework for analyzing the evolution of these databases using Datalog programs. The book then introduces temporal logic as a language for querying these dynamic databases, allowing users to make predictions about future states. A key focus is on comparing the expressive power of Datalog queries and temporal logic queries, a fundamental question that has not been addressed before in this context. The author examines different types of queries, including domain-independent and domain-dependent queries, and explores the limitations of Datalog in capturing the full expressive power of temporal logic. Through rigorous analysis and detailed examples, this book offers a fresh perspective on the capabilities and limitations of both Datalog and temporal logic as tools for managing and querying dynamic databases. The book's insights provide a valuable foundation for understanding and building robust systems for handling evolving data in complex applications. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781333304638_0
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781333304638
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Using Temporal Logic and Datalog to Query Databases Evolving in Time (Classic Reprint)
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Paperback. Condition: Brand New. 35 pages. 9.00x6.00x0.08 inches. In Stock. Seller Inventory # __1333304633
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Using Temporal Logic and Datalog to Query Databases Evolving in Time (Classic Reprint)
Print on DemandSeller: Revaluation Books, Exeter, United Kingdom
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Paperback. Condition: Brand New. 35 pages. 9.00x6.00x0.08 inches. This item is printed on demand. Seller Inventory # zk1333304633
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Tuzhilin, A: Using Temporal Logic and Datalog to Query Datab
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Condition: New. KlappentextrnrnExcerpt from Using Temporal Logic and Datalog to Query Databases Evolving in TimeIn this paper, we study a query language about databases evolving in (infinite) time. The syntax of the query language is based on a predicat. Seller Inventory # 2148039872
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