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    VLDB
    1987
    ACM
    86views Database» more  VLDB 1987»
    Independent Database Schemes under Functional and Inclusion Dependencies
    13 years 11 months ago
    Independent Database Schemes under Functional and Inclusion Dependencies
    Download  www.vldb.org
    In a context considering in a unique framework all the relations in a database, by means of the notion of global consistency, independent database schemes allow enforcement of con...
    Paolo Atzeni, Edward P. F. Chan
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    VLDB
    1987
    ACM
    72views Database» more  VLDB 1987»
    Providing Time-Related Constraints for Conventional Database Systems
    13 years 11 months ago
    Providing Time-Related Constraints for Conventional Database Systems
    Download  www.vldb.org
    A model for a historical database is described which is based upon time-stamped tuples as the unit of storage. The model includes both physical and logical time-stamps. The techni...
    T. Abbod, K. Brown, H. Noble
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    VLDB
    1987
    ACM
    63views Database» more  VLDB 1987»
    Direct Algorithms for Computing the Transitive Closure of Database Relations
    13 years 11 months ago
    Direct Algorithms for Computing the Transitive Closure of Database Relations
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    Rakesh Agrawal, H. V. Jagadish
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    SIGMOD
    1987
    ACM
    52views Database» more  SIGMOD 1987»
    A System for Semantic Query Optimization
    13 years 11 months ago
    A System for Semantic Query Optimization
    Download  infolab.stanford.edu
    Sreekumar T. Shenoy, Z. Meral Özsoyoglu
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    SIGMOD
    1987
    ACM
    55views Database» more  SIGMOD 1987»
    Magic Counting Methods
    13 years 11 months ago
    Magic Counting Methods
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    Domenico Saccà, Carlo Zaniolo
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    SIGMOD
    1987
    ACM
    69views Database» more  SIGMOD 1987»
    Extending the Relational Algebra to Support Transaction Time
    13 years 11 months ago
    Extending the Relational Algebra to Support Transaction Time
    Download  www.cs.arizona.edu
    In this paper we discuss extensions to the conventional relatronal algebra to support transaction time We show that these extensions are applicable to hrstorlcal algebras that sup...
    L. Edwin McKenzie, Richard T. Snodgrass
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    SIGMOD
    1987
    ACM
    95views Database» more  SIGMOD 1987»
    Query Optimization by Simulated Annealing
    13 years 11 months ago
    Query Optimization by Simulated Annealing
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    Yannis E. Ioannidis, Eugene Wong
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    SIGMOD
    1987
    ACM
    61views Database» more  SIGMOD 1987»
    The EXODUS Optimizer Generator
    13 years 11 months ago
    The EXODUS Optimizer Generator
    Download  pages.cs.wisc.edu
    Goetz Graefe, David J. DeWitt
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    ICDE
    1987
    IEEE
    63views Database» more  ICDE 1987»
    Efficient Recursive Query Processing using Wavefront Methods
    13 years 11 months ago
    Efficient Recursive Query Processing using Wavefront Methods
    Download  www.cs.utsa.edu
    Clement T. Yu, Weining Zhang
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    ICDE
    1987
    IEEE
    81views Database» more  ICDE 1987»
    Multidimensional Dynamic Quantile Hashing is Very Efficient for Non-Uniform Record Distributions
    13 years 11 months ago
    Multidimensional Dynamic Quantile Hashing is Very Efficient for Non-Uniform Record Distributions
    Download  www.mathematik.uni-marburg.de
    : Previous multidimensional dynamic hashing schemes exhibit two obvious shortcomings. First, even for uniform record distribution, the retrieval performance of these schemes suffer...
    Hans-Peter Kriegel, Bernhard Seeger
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