A Proof Procedure for Data Dependencies
Journal of the ACM (JACM)
ILOG: declarative creation and manipulation of object identifiers
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PODS '95 Proceedings of the fourteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
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PODS '99 Proceedings of the eighteenth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Storing semistructured data with STORED
SIGMOD '99 Proceedings of the 1999 ACM SIGMOD international conference on Management of data
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Navigational plans for data integration
AAAI '99/IAAI '99 Proceedings of the sixteenth national conference on Artificial intelligence and the eleventh Innovative applications of artificial intelligence conference innovative applications of artificial intelligence
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ACM Transactions on Database Systems (TODS)
View-based query processing for regular path queries with inverse
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SilkRoute: trading between relations and XML
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SIGMOD '01 Proceedings of the 2001 ACM SIGMOD international conference on Management of data
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SIGMOD '01 Proceedings of the 2001 ACM SIGMOD international conference on Management of data
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Proceedings of the twenty-first ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Foundations of Databases: The Logical Level
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Logic-based techniques in data integration
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ICDE '96 Proceedings of the Twelfth International Conference on Data Engineering
Query Folding with Inclusion Dependencies
ICDE '98 Proceedings of the Fourteenth International Conference on Data Engineering
XPERANTO: Middleware for Publishing Object-Relational Data as XML Documents
VLDB '00 Proceedings of the 26th International Conference on Very Large Data Bases
Querying XML Views of Relational Data
Proceedings of the 27th International Conference on Very Large Data Bases
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The GMAP: A Versatile Tool for Physical Data Independence
VLDB '94 Proceedings of the 20th International Conference on Very Large Data Bases
Querying Heterogeneous Information Sources Using Source Descriptions
VLDB '96 Proceedings of the 22th International Conference on Very Large Data Bases
Optimization Properties for Classes of Conjunctive Regular Path Queries
DBPL '01 Revised Papers from the 8th International Workshop on Database Programming Languages
Physical Data Independence, Constraints, and Optimization with Universal Plans
VLDB '99 Proceedings of the 25th International Conference on Very Large Data Bases
MiniCon: A scalable algorithm for answering queries using views
The VLDB Journal — The International Journal on Very Large Data Bases
Object/relational query optimization with chase and backchase
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Xml query reformulation over mixed and redundant storage
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Data exchange: getting to the core
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SIGMOD '04 Proceedings of the 2004 ACM SIGMOD international conference on Management of data
Secure XML querying with security views
SIGMOD '04 Proceedings of the 2004 ACM SIGMOD international conference on Management of data
Integrating XML and Relational Database Systems
World Wide Web
Conjunctive queries over trees
PODS '04 Proceedings of the twenty-third ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Data exchange: getting to the core
ACM Transactions on Database Systems (TODS) - Special Issue: SIGMOD/PODS 2003
Composition of mappings given by embedded dependencies
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Determining source contribution in integration systems
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Rewriting XPath queries using materialized views
VLDB '05 Proceedings of the 31st international conference on Very large data bases
XML Queries and constraints, containment and reformulation
Theoretical Computer Science - Database theory
Data exchange: semantics and query answering
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Query reformulation with constraints
ACM SIGMOD Record
Conjunctive queries over trees
Journal of the ACM (JACM)
Reformulating XPath queries and XSLT queries on XSLT views
Data & Knowledge Engineering
Query reformulation for an XML-based data integration system
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The complexity of data exchange
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Data exchange: computing cores in polynomial time
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Rewriting nested XML queries using nested views
Proceedings of the 2006 ACM SIGMOD international conference on Management of data
Answering tree pattern queries using views
VLDB '06 Proceedings of the 32nd international conference on Very large data bases
ACM Transactions on Database Systems (TODS)
Composition of mappings given by embedded dependencies
ACM Transactions on Database Systems (TODS)
Propagating XML constraints to relations
Journal of Computer and System Sciences
Rewriting queries using views with access patterns under integrity constraints
Theoretical Computer Science
CWA-solutions for data exchange settings with target dependencies
Proceedings of the twenty-sixth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
On the minimization of Xpath queries
VLDB '03 Proceedings of the 29th international conference on Very large data bases - Volume 29
MARS: a system for publishing XML from mixed and redundant storage
VLDB '03 Proceedings of the 29th international conference on Very large data bases - Volume 29
VLDB '04 Proceedings of the Thirtieth international conference on Very large data bases - Volume 30
Update exchange with mappings and provenance
VLDB '07 Proceedings of the 33rd international conference on Very large data bases
Efficient core computation in data exchange
Journal of the ACM (JACM)
Data exchange in the presence of arithmetic comparisons
EDBT '08 Proceedings of the 11th international conference on Extending database technology: Advances in database technology
The recovery of a schema mapping: bringing exchanged data back
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Towards a theory of schema-mapping optimization
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Data exchange and schema mappings in open and closed worlds
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Filtering Techniques for Rewriting XPath Queries Using Views
WISE '08 Proceedings of the 9th international conference on Web Information Systems Engineering
Interactive source registration in community-oriented information integration
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The ORCHESTRA Collaborative Data Sharing System
ACM SIGMOD Record
Towards Practical Feasibility of Core Computation in Data Exchange
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Datalog±: a unified approach to ontologies and integrity constraints
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Repair checking in inconsistent databases: algorithms and complexity
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Querying data sources that export infinite sets of views
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On rewriting XPath queries using views
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Logical foundations of relational data exchange
ACM SIGMOD Record
Generalized schema-mappings: from termination to tractability
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XML with incomplete information: models, properties, and query answering
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The recovery of a schema mapping: Bringing exchanged data back
ACM Transactions on Database Systems (TODS)
Extending decidable cases for rules with existential variables
IJCAI'09 Proceedings of the 21st international jont conference on Artifical intelligence
On chase termination beyond stratification
Proceedings of the VLDB Endowment
Towards practical feasibility of core computation in data exchange
Theoretical Computer Science
PSI'06 Proceedings of the 6th international Andrei Ershov memorial conference on Perspectives of systems informatics
Schema mapping and query translation in heterogeneous P2P XML databases
The VLDB Journal — The International Journal on Very Large Data Bases
On tree pattern query rewriting using views
WISE'07 Proceedings of the 8th international conference on Web information systems engineering
Composition with target constraints
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On the expressiveness of generalization rules for XPath query relaxation
Proceedings of the Fourteenth International Database Engineering & Applications Symposium
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Logic and data exchange: which solutions are "good" solutions?
LOFT'08 Proceedings of the 8th international conference on Logic and the foundations of game and decision theory
Query answering under non-guarded rules in datalog+/-
RR'10 Proceedings of the Fourth international conference on Web reasoning and rule systems
Advanced processing for ontological queries
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Data exchange and schema mappings in open and closed worlds
Journal of Computer and System Sciences
A better uncle for OWL: nominal schemas for integrating rules and ontologies
Proceedings of the 20th international conference on World wide web
ACM Transactions on Database Systems (TODS)
Data exchange beyond complete data
Proceedings of the thirtieth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Datalog and emerging applications: an interactive tutorial
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On rules with existential variables: Walking the decidability line
Artificial Intelligence
Ontological query answering with existential rules
RR'11 Proceedings of the 5th international conference on Web reasoning and rule systems
Towards farsighted dependencies for existential rules
RR'11 Proceedings of the 5th international conference on Web reasoning and rule systems
Containment and minimization of RDF/S query patterns
ISWC'05 Proceedings of the 4th international conference on The Semantic Web
Satisfiability of XPath queries with sibling axes
DBPL'05 Proceedings of the 10th international conference on Database Programming Languages
Detecting privacy violations in sensitive XML databases
SDM'05 Proceedings of the Second VDLB international conference on Secure Data Management
Privacy in database publishing
ICDT'05 Proceedings of the 10th international conference on Database Theory
Authorization views and conditional query containment
ICDT'05 Proceedings of the 10th international conference on Database Theory
Rewriting queries using views with access patterns under integrity constraints
ICDT'05 Proceedings of the 10th international conference on Database Theory
A theoretic framework for answering XPath queries using views
XSym'05 Proceedings of the Third international conference on Database and XML Technologies
Rewriting XPath queries using materialized XPath views
Journal of Computer and System Sciences
On the data complexity of consistent query answering
Proceedings of the 15th International Conference on Database Theory
Extending decidable existential rules by joining acyclicity and guardedness
IJCAI'11 Proceedings of the Twenty-Second international joint conference on Artificial Intelligence - Volume Volume Two
A faceted taxonomy of semantic integrity constraints for the XML data model
DEXA'07 Proceedings of the 18th international conference on Database and Expert Systems Applications
A sound and complete chase procedure for constrained tuple-generating dependencies
Journal of Intelligent Information Systems
Flag & check: data access with monadically defined queries
Proceedings of the 32nd symposium on Principles of database systems
Data exchange beyond complete data
Journal of the ACM (JACM)
The impact of disjunction on query answering under guarded-based existential rules
IJCAI'13 Proceedings of the Twenty-Third international joint conference on Artificial Intelligence
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We state and solve the query reformulation problem for XML publishing in a general setting that allows mixed (XML and relational) storage for the proprietary data and exploits redundancies (materialized views, indexes and caches) to enhance performance. The correspondence between published and proprietary schemas is specified by views in both directions, and the same algorithm performs rewriting-with-views, composition-with-views, or the combined effect of both, unifying the Global-As-View and Local-As-View approaches to data integration. We prove a completeness theorem which guarantees that under certain conditions, our algorithm will find a minimal reformulation if one exists. Moreover, we identify conditions when this algorithm achieves optimal complexity bounds. We solve the reformulation problem for constraints by exploiting a reduction to the problem of query reformulation.