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    INFSOF
    2000
    92views more  INFSOF 2000»
    Identifying relevant constraints for semantic query optimization
    14 years 2 months ago
    Identifying relevant constraints for semantic query optimization
    Download  ids.snu.ac.kr
    Semantic query optimization is the process of utilizing information implied by integrity constraints to reformulate the query into one that generates the same set of answers in a ...
    Sang-goo Lee, Lawrence J. Henschen, Jonghun Chun, ...
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    CORR
    2002
    Springer
    135views Education» more  CORR 2002»
    Minimal-Change Integrity Maintenance Using Tuple Deletions
    14 years 2 months ago
    Minimal-Change Integrity Maintenance Using Tuple Deletions
    Download  www.cse.buffalo.edu
    We address the problem of minimal-change integrity maintenance in the context of integrity constraints in relational databases. We assume that integrity-restoration actions are li...
    Jan Chomicki, Jerzy Marcinkowski
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    CORR
    2002
    Springer
    187views Education» more  CORR 2002»
    Answer Sets for Consistent Query Answering in Inconsistent Databases
    14 years 2 months ago
    Answer Sets for Consistent Query Answering in Inconsistent Databases
    Download  www.cs.toronto.edu
    A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...
    Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki
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    APIN
    2002
    45views more  APIN 2002»
    Using Extended Logic Programming for Alarm-Correlation in Cellular Phone Networks
    14 years 2 months ago
    Using Extended Logic Programming for Alarm-Correlation in Cellular Phone Networks
    Download  www.biotec.tu-dresden.de
    Abstract. In this paper, we describe how to realise alarm-correlation in cellular phone networks using extended logic programming which provides integrity constraints, implicit and...
    Carlos Viegas Damásio, Peter Fröhlich,...
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    IS
    2007
    106views Artificial Intelligence» more  IS 2007»
    Semantic optimization techniques for preference queries
    14 years 2 months ago
    Semantic optimization techniques for preference queries
    Download  www.cse.buffalo.edu
    Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
    Jan Chomicki
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    SIAMCOMP
    2008
    100views more  SIAMCOMP 2008»
    On the Complexity of Verifying Consistency of XML Specifications
    14 years 2 months ago
    On the Complexity of Verifying Consistency of XML Specifications
    Download  homepages.inf.ed.ac.uk
    XML specifications often consist of a type definition (typically, a DTD) and a set of integrity constraints. It has been shown previously that such specifications can be inconsiste...
    Marcelo Arenas, Wenfei Fan, Leonid Libkin
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    IAJIT
    2008
    94views more  IAJIT 2008»
    Enforcing User-Defined Constraints during the Run-Time in OODB
    14 years 2 months ago
    Enforcing User-Defined Constraints during the Run-Time in OODB
    Download  www.ccis2k.org
    : In this paper a run-time model is proposed. The run-time model enforces integrity constraints for attributes that are derived from composition and inheritance hierarchies. The ru...
    Belal Zaqaibeh, Hamidah Ibrahim, Ali Mamat, Md Nas...
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    DKE
    2010
    167views more  DKE 2010»
    The consistency extractor system: Answer set programs for consistent query answering in databases
    14 years 2 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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    AMAI
    2007
    Springer
    120views Artificial Intelligence» more  AMAI 2007»
    Distance semantics for database repair
    14 years 2 months ago
    Distance semantics for database repair
    Download  www2.mta.ac.il
    Abstract In many scenarios, a database instance violates a given set of integrity constraints. In such cases, it is often required to repair the database, that is, to restore its c...
    Ofer Arieli, Marc Denecker, Maurice Bruynooghe
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    AMW
    2009
    130views Knowledge Management» more  AMW 2009»
    Semantic Integrity Constraints for Spatial Databases
    14 years 3 months ago
    Semantic Integrity Constraints for Spatial Databases
    Download  sunsite.informatik.rwth-aachen.de
    Abstract. This paper introduces a formalization of a set of spatial semantic integrity constraints on an extended-relational database model. The formalization extends traditional n...
    Loreto Bravo, M. Andrea Rodríguez
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