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Abstract: We consider the theory of database queries with functions on the complex value data model. The notion of a syntactic criteria, called "embedded allowed", for queries which guarantee embedded domain independence, is generalized for this model. We show that all embedded allowed calculus (or fix-point) queries are external function-domain independent and continuous. We also develop an algorithm for translating embedded allowed queries into equivalent algebraic expressions as a basis for evaluating ... (Update)
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BibTeX entry: (Update)
@inproceedings{ liu99safe,
author = "Hong-Cheu Liu and Jeffrey X. Yu",
title = "Safe Database Queries with External Functions",
booktitle = "International Database Engineering and Application Symposium",
pages = "260-269",
year = "1999",
url = "citeseer.ist.psu.edu/391902.html" }
Citations (may not include all citations):775 Foundations of Databases (context) - Abiteboul, Hull et al. - 1995
106 Naturally embedded query languages (context) - Breazu-Tannen, Buneman et al. - 1992
39 A Rule-Based Language with Functions and Sets (context) - Abiteboul, Grumbach - 1991
28 the power of languages for the manipulation of complex value.. - Abiteboul, Beeri - 1995
27 Safety of recursive horn clauses with infinite relations (context) - Ramakrishnan, Bancilhon et al. - 1997
24 Tractable Query Languages for Complex Object Databases - Grumbach, Vianu - 1995
23 Safe Constraint Queries - Benedikt, Libkin - 1998
18 Safety and Translation of Calculus Queries with Scalar Funct.. (context) - Escobar-Molano, Hull et al. - 1993
16 Syntactical Characterization of a Subset of Domain-Independe.. (context) - Demolombe - 1992
11 Collections of Objects in SQL (context) - Beech - 1993
11 Translation with Optimization from Relational Calculus to Re.. (context) - Ryohei - 1990
11 Theoretical Computer Science (context) - Topor, formulas - 1987
10 Safe Query Languages for Constraint Databases (context) - Revesz - 1998
10 Safety of Datalog Queries over Infinite Databases (context) - Sagiv, Vardi - 1989
10 An Axiomatic Approach to Deciding Query Safety in Deductive .. (context) - Kifer, Ramakrishnan et al. - 1998
9 Domain-Independent Queries on Databases with External Functi.. - Suciu - 1995
9 Safety and Translation of Relational Calculus Queries (context) - Van Gelder, Topor - 1991
8 Safe Database Queries with Arithmetic Relations - Topor - 1991
4 Expressiveness and Complexity of Restricted Languages for Co.. (context) - Grumbach, Vianu - 1991
1 Safety and Translation of Complex Value Calculus Queries (context) - Liu, Yu - 1998
Documents on the same site (http://www.fit.qut.edu.au/~liuhc):
On Translation of Complex Value Calculus Queries with.. - Liu, Xu, Chirathamjaree (Correct)
Query Optimization for Complex Value Databases - Liu (Correct)
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