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    SIGMOD
    2000
    ACM
    141views Database» more  SIGMOD 2000»
    Counting, Enumerating, and Sampling of Execution Plans in a Cost-Based Query Optimizer
    14 years 2 months ago
    Counting, Enumerating, and Sampling of Execution Plans in a Cost-Based Query Optimizer
    Download  people.inf.elte.hu
    Testing an SQL database system by running large sets of deterministic or stochastic SQL statements is common practice in commercial database development. However, code defects oft...
    Florian Waas, César A. Galindo-Legaria
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    GEOINFO
    2003
    159views Information Technology» more  GEOINFO 2003»
    Efficient Query Processing on the Relational Quadtree
    13 years 11 months ago
    Efficient Query Processing on the Relational Quadtree
    Download  www.dbs.informatik.uni-muenchen.de
    Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
    Hans-Peter Kriegel, Peter Kunath, Martin Pfeifle, ...
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    DKE
    2010
    167views more  DKE 2010»
    The consistency extractor system: Answer set programs for consistent query answering in databases
    13 years 9 months ago
    The consistency extractor system: Answer set programs for consistent query answering in databases
    Download  people.scs.carleton.ca
    We describe the Consistency Extractor System (ConsEx) that computes consistent answers to Datalog queries with negation posed to relational databases that may be inconsistent with...
    Mónica Caniupán Marileo, Leopoldo E....
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    PVLDB
    2010
    84views more  PVLDB 2010»
    Processing Top-k Join Queries
    13 years 8 months ago
    Processing Top-k Join Queries
    Download  www.comp.nus.edu.sg
    We consider the problem of efficiently finding the top-k answers for join queries over web-accessible databases. Classical algorithms for finding top-k answers use branch-and-b...
    Minji Wu, Laure Berti-Equille, Amélie Maria...
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    DEXA
    2003
    Springer
    115views Database» more  DEXA 2003»
    Storing and Querying XML Data in the Nested Relational Sequence Database System
    14 years 2 months ago
    Storing and Querying XML Data in the Nested Relational Sequence Database System
    Download  www.cs.ust.hk
    Abstract. We developed the Nested Relational Sequence Database System (NRSD System), which is built upon the Nested Relational Sequence Model (NRSM). The NRSM eliminates a substant...
    Ho Lam Lau, Wilfred Ng
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