Improving access to environmental data using context information
ACM SIGMOD Record
The distributed information search component (Disco) and the World Wide Web
SIGMOD '97 Proceedings of the 1997 ACM SIGMOD international conference on Management of data
Cost-based query scrambling for initial delays
SIGMOD '98 Proceedings of the 1998 ACM SIGMOD international conference on Management of data
Your mediators need data conversion!
SIGMOD '98 Proceedings of the 1998 ACM SIGMOD international conference on Management of data
Dynamic Query Operator Scheduling for Wide-Area Remote Access
Distributed and Parallel Databases
Context interchange: new features and formalisms for the intelligent integration of information
ACM Transactions on Information Systems (TOIS)
Information integration with attribution support for corporate profiles
Proceedings of the eighth international conference on Information and knowledge management
On wrapping query languages and efficient XML integration
SIGMOD '00 Proceedings of the 2000 ACM SIGMOD international conference on Management of data
MOCHA: a self-extensible database middleware system for distributed data sources
SIGMOD '00 Proceedings of the 2000 ACM SIGMOD international conference on Management of data
XAS: a system for accessing componentized, virtual XML documents
ICSE '01 Proceedings of the 23rd International Conference on Software Engineering
Logical Approach to Capability-Based Rewriting in a Mediator for WebSources
Journal of Intelligent Information Systems
ACQUIRE: agent-based complex query and information retrieval engine
Proceedings of the first international joint conference on Autonomous agents and multiagent systems: part 2
Efficient evaluation of queries in a mediator for WebSources
Proceedings of the 2002 ACM SIGMOD international conference on Management of data
Scaling Access to Heterogeneous Data Sources with DISCO
IEEE Transactions on Knowledge and Data Engineering
Explicit Representation of Constrained Schema Mappings for Mediated Data Integration
DNIS '02 Proceedings of the Second International Workshop on Databases in Networked Information Systems
Automatic Deployment of Application-Specific Metadata and Code in MOCHA
EDBT '00 Proceedings of the 7th International Conference on Extending Database Technology: Advances in Database Technology
Optimizing Large Join Queries in Mediation Systems
ICDT '99 Proceedings of the 7th International Conference on Database Theory
Miro Web: Integrating Multiple Data Sources through Semistructured Data Types
VLDB '99 Proceedings of the 25th International Conference on Very Large Data Bases
Hyperqueries: Dynamic Distributed Query Processing on the Internet
Proceedings of the 27th International Conference on Very Large Data Bases
QuDAS: A QoS-Based Brokering Architecture for Data Services
DBTel '01 Proceedings of the VLDB 2001 International Workshop on Databases in Telecommunications II
A Model for XML Schema Integration
EC-WEB '02 Proceedings of the Third International Conference on E-Commerce and Web Technologies
Discovering and Resolving User Intent in Heterogeneous Databases
ISMIS '00 Proceedings of the 12th International Symposium on Foundations of Intelligent Systems
Task Coordination Paradigms for Information Agents
ATAL '00 Proceedings of the 7th International Workshop on Intelligent Agents VII. Agent Theories Architectures and Languages
XML schema integration to facilitate E-commerce
Web-enabled systems integration
Learning response time for WebSources using query feedback and application in query optimization
The VLDB Journal — The International Journal on Very Large Data Bases
Locating and accessing data repositories with WebSemantics
The VLDB Journal — The International Journal on Very Large Data Bases
Towards efficient and scalable mediation: the AURORA approach
CASCON '97 Proceedings of the 1997 conference of the Centre for Advanced Studies on Collaborative research
Semi-automatic wrapper generation and adaption: living with heterogeneity in a market environment
Enterprise information systems IV
Scalable Semantic Brokering over Dynamic Heterogeneous Data Sources in InfoSleuth"
IEEE Transactions on Knowledge and Data Engineering
WebSOGO: a global ontology for describing Web sources
Proceedings of the 2003 ACM symposium on Applied computing
Query Processing and Optimization on the Web
Distributed and Parallel Databases
A declarative approach to optimize bulk loading into databases
ACM Transactions on Database Systems (TODS)
Data integration through database federation
IBM Systems Journal
Merging Results for Distributed Content Based Image Retrieval
Multimedia Tools and Applications
DiscoveryLink: a system for integrated access to life sciences data sources
IBM Systems Journal - Deep computing for the life sciences
Mobile Agents for Distributed and Heterogeneous Information Retrieval
Information Retrieval
One platform for mining structured and unstructured data: dream or reality?
VLDB '06 Proceedings of the 32nd international conference on Very large data bases
Bio-Broker: a tool for integration of biological data sources and data analysis tools
Software—Practice & Experience
Discovering and Resolving User Intent in Heterogeneous Databases
Fundamenta Informaticae - Intelligent Systems
Distributed query evaluation with performance guarantees
Proceedings of the 2007 ACM SIGMOD international conference on Management of data
SPHINX: Schema integration by example
Journal of Intelligent Information Systems
Network-aware query processing for stream-based applications
VLDB '04 Proceedings of the Thirtieth international conference on Very large data bases - Volume 30
Using web services to interoperate data at the FAO
DCMI '02 Proceedings of the 2002 international conference on Dublin core and metadata applications: Metadata for e-communities: supporting diversity and convergence
An XML Schema integration and query mechanism system
Data & Knowledge Engineering
Information Fusion
Execution of distributed queries in the web environment
Journal of Computational Methods in Sciences and Engineering - Selected papers from the International Conference on Computer Science, Software Engineering, Information Technology, e-Business, and Applications, 2004
POEMS: Peer-Based Overload Management
WISE '08 Proceedings of the 9th international conference on Web Information Systems Engineering
DObjects: enabling distributed data services for metacomputing platforms
Proceedings of the VLDB Endowment
Towards privacy-preserving integration of distributed heterogeneous data
Proceedings of the 2nd PhD workshop on Information and knowledge management
Context comparison for object fusion
CAiSE'03 Proceedings of the 15th international conference on Advanced information systems engineering
APWeb'08 Proceedings of the 10th Asia-Pacific web conference on Progress in WWW research and development
MashUp web data sources and services based on semantic queries
Information Systems
Building systems to block pornography
IM'99 Proceedings of the 1999 international conference on Challenge of Image Retrieval
Discovering and Resolving User Intent in Heterogeneous Databases
Fundamenta Informaticae - Intelligent Systems
Partial Evaluation for Distributed XPath Query Processing and Beyond
ACM Transactions on Database Systems (TODS)
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Access to large numbers of data sources introduces new problems for users of heterogeneous distributed databases. End users and application programmers must deal with unavailable data sources. Database administrators must deal with incorporating new sources into the model. Database implementers must deal with the translation of queries between query languages and schemas. The Distributed Information Search COmponent (Disco) addresses these problems. Query processing semantics are developed to process queries over data sources which do not return answers. Data modeling techniques manage connections to data sources. The component interface to data sources flexibly handles different query languages and translates queries. This paper describes (a) the distributed mediator architecture of Disco, (b) its query processing semantics, (C) the data model and its modeling of data source connections, and (d) the interface to underlying data sources.