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    » Typed Query Languages for Databases Containing Queries
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    VLDB
    2009
    ACM
    151views Database» more  VLDB 2009»
    Containment of partially specified tree-pattern queries in the presence of dimension graphs
    14 years 8 months ago
    Containment of partially specified tree-pattern queries in the presence of dimension graphs
    Download  www.dblab.ntua.gr
    Dimitri Theodoratos, Pawel Placek, Theodore Dalama...
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    DEXA
    1994
    Springer
    92views Database» more  DEXA 1994»
    OR-SML: A Functional Database Programming Language for Disjunctive Information and Its Applications
    14 years 22 days ago
    OR-SML: A Functional Database Programming Language for Disjunctive Information and Its Applications
    Download  homepages.inf.ed.ac.uk
    We describe a functional database language OR-SML for handling disjunctive information in database queries, and its implementation on top of Standard ML 12]. The core language has ...
    Elsa L. Gunter, Leonid Libkin
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    BMCBI
    2006
    145views more  BMCBI 2006»
    Querying the public databases for sequences using complex keywords contained in the feature lines
    13 years 8 months ago
    Querying the public databases for sequences using complex keywords contained in the feature lines
    Download  www.biomedcentral.com
    Background: High throughput technologies often require the retrieval of large data sets of sequences. Retrieval of EMBL or GenBank entries using keywords is easy using tools such ...
    Olivier Croce, Michaël Lamarre, Richard Chris...
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    SDB
    1995
    178views Database» more  SDB 1995»
    A Semantics-based Approach to Design of Query Languages for Partial Information
    14 years 5 days ago
    A Semantics-based Approach to Design of Query Languages for Partial Information
    Download  homepages.inf.ed.ac.uk
    Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...
    Leonid Libkin
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    SIGMOD
    1993
    ACM
    140views Database» more  SIGMOD 1993»
    Second-Order Signature: A Tool for Specifying Data Models, Query Processing, and Optimization
    14 years 21 days ago
    Second-Order Signature: A Tool for Specifying Data Models, Query Processing, and Optimization
    Download  dna.fernuni-hagen.de
    Abstract: We propose a framework for the specification of extensible database systems. A particular goal is to implement a software component for parsing and rule-based optimizatio...
    Ralf Hartmut Güting
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