Principles of database and knowledge-base systems, Vol. I
Principles of database and knowledge-base systems, Vol. I
Interoperability of multiple autonomous databases
ACM Computing Surveys (CSUR) - Special issue on heterogeneous databases
A softbot-based interface to the Internet
Communications of the ACM
Omnipotence without omniscience: efficient sensor management for planning
AAAI'94 Proceedings of the twelfth national conference on Artificial intelligence (vol. 2)
Data model and query evaluation in global information systems
Journal of Intelligent Information Systems - Special issue: networked information discovery and retrieval
Answering queries using views (extended abstract)
PODS '95 Proceedings of the fourteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Answering queries using templates with binding patterns (extended abstract)
PODS '95 Proceedings of the fourteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Query reformulation for dynamic information integration
Journal of Intelligent Information Systems - Special issue on intelligent integration of information
Answering queries using limited external query processors (extended abstract)
PODS '96 Proceedings of the fifteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Planning executing sensing and replanning for information gathering
IJCAI'95 Proceedings of the 14th international joint conference on Artificial intelligence - Volume 2
Planning to gather inforrnation
AAAI'96 Proceedings of the thirteenth national conference on Artificial intelligence - Volume 1
Answering queries using limited external query processors (extended abstract)
PODS '96 Proceedings of the fifteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Answering recursive queries using views
PODS '97 Proceedings of the sixteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
SAIRE—a scalable agent-based information retrieval engine
AGENTS '97 Proceedings of the first international conference on Autonomous agents
SIGMOD '98 Proceedings of the 1998 ACM SIGMOD international conference on Management of data
Just-in-time databases and the World-Wide Web
Proceedings of the seventh international conference on Information and knowledge management
{\cal A}{\cal L}-log: Integrating Datalog and Description Logics
Journal of Intelligent Information Systems
Modeling Web sources for information integration
AAAI '98/IAAI '98 Proceedings of the fifteenth national/tenth conference on Artificial intelligence/Innovative applications of artificial intelligence
Mind your vocabulary: query mapping across heterogeneous information sources
SIGMOD '99 Proceedings of the 1999 ACM SIGMOD international conference on Management of data
A layered architecture for querying dynamic Web content
SIGMOD '99 Proceedings of the 1999 ACM SIGMOD international conference on Management of data
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
Token-Templates and Logic Programs for Intelligent Web Search
Journal of Intelligent Information Systems - Special issue on methodologies for intelligent information systems
Data integration using similarity joins and a word-based information representation language
ACM Transactions on Information Systems (TOIS)
IEA/AIE '00 Proceedings of the 13th international conference on Industrial and engineering applications of artificial intelligence and expert systems: Intelligent problem solving: methodologies and approaches
An Active Organisation System for Customised, Secure Agent Discovery
The Journal of Supercomputing
Logic-based techniques in data integration
Logic-based artificial intelligence
Compiling Source Descriptions for Efficient and Flexible Information Integration
Journal of Intelligent Information Systems
IEEE Intelligent Systems
Explicit Representation of Constrained Schema Mappings for Mediated Data Integration
DNIS '02 Proceedings of the Second International Workshop on Databases in Networked Information Systems
Approximate Query Translation Across Heterogeneous Information Sources
VLDB '00 Proceedings of the 26th International Conference on Very Large Data Bases
Obtaining Complete Answers from Incomplete Databases
VLDB '96 Proceedings of the 22th 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
Using Wrapper Agents to Answer Queries in Distributed Information Systems
ADVIS '00 Proceedings of the First International Conference on Advances in Information Systems
A Logical Model for Data Warehouse Design and Evolution
DaWaK 2000 Proceedings of the Second International Conference on Data Warehousing and Knowledge Discovery
Discovering and Resolving User Intent in Heterogeneous Databases
ISMIS '00 Proceedings of the 12th International Symposium on Foundations of Intelligent Systems
A Methodology to Annotate Cultural Heritage Digital Video
ECDL '98 Proceedings of the Second European Conference on Research and Advanced Technology for Digital Libraries
Distributed Description Logics: Directed Domain Correspondences in Federated Information Sources
On the Move to Meaningful Internet Systems, 2002 - DOA/CoopIS/ODBASE 2002 Confederated International Conferences DOA, CoopIS and ODBASE 2002
Data Warehouse Quality and Agent Technology
CIA '01 Proceedings of the 5th International Workshop on Cooperative Information Agents V
Domain-Independent Ontologies for Cooperative Information Agents
CIA '01 Proceedings of the 5th International Workshop on Cooperative Information Agents V
Approximate query mapping: Accounting for translation closeness
The VLDB Journal — The International Journal on Very Large Data Bases
Answering queries using views: A survey
The VLDB Journal — The International Journal on Very Large Data Bases
Proceedings of the twenty-second ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Representing and reasoning about mappings between domain models
Eighteenth national conference on Artificial intelligence
Reasoning in expressive description logics
Handbook of automated reasoning
Towards efficient and scalable mediation: the AURORA approach
CASCON '97 Proceedings of the 1997 conference of the Centre for Advanced Studies on Collaborative research
The description logic handbook
Source integration for data warehousing
Multidimensional databases
Finding similar identities among objects from multiple web sources
WIDM '03 Proceedings of the 5th ACM international workshop on Web information and data management
Query rewriting using views in the presence of inclusion dependencies
WIDM '03 Proceedings of the 5th ACM international workshop on Web information and data management
A logic-based approach to data integration
Theory and Practice of Logic Programming
Using methods of declarative logic programming for intelligent information agents
Theory and Practice of Logic Programming
Answering queries using views: A KRDB perspective for the semantic Web
ACM Transactions on Internet Technology (TOIT)
Exploiting online sources to accurately geocode addresses
Proceedings of the 12th annual ACM international workshop on Geographic information systems
Composing, optimizing, and executing plans for bioinformatics web services
The VLDB Journal — The International Journal on Very Large Data Bases
Automatically utilizing secondary sources to align information across sources
AI Magazine - Special issue on semantic integration
Discovering and Resolving User Intent in Heterogeneous Databases
Fundamenta Informaticae - Intelligent Systems
A framework for security modeling using knowledge engineering
AIKED'06 Proceedings of the 5th WSEAS International Conference on Artificial Intelligence, Knowledge Engineering and Data Bases
GrouPeer: Dynamic clustering of P2P databases
Information Systems
A Top-Down Approach to Rewriting Conjunctive Queries Using Views
Semantics in Data and Knowledge Bases
Compilation of query-rewriting problems into tractable fragments of propositional logic
AAAI'06 Proceedings of the 21st national conference on Artificial intelligence - Volume 1
Reasoning in expressive description logics with fixpoints based on automata on infinite trees
IJCAI'99 Proceedings of the 16th international joint conference on Artifical intelligence - Volume 1
Information gathering during planning for Web Service composition
Web Semantics: Science, Services and Agents on the World Wide Web
On the decidability and complexity of integrating ontologies and rules
Web Semantics: Science, Services and Agents on the World Wide Web
Reusing classical query rewriting in P2P databases
DBISP2P'05/06 Proceedings of the 2005/2006 international conference on Databases, information systems, and peer-to-peer computing
Query optimization using local completeness
AAAI'97/IAAI'97 Proceedings of the fourteenth national conference on artificial intelligence and ninth conference on Innovative applications of artificial intelligence
P-CLASSIC: a tractable probablistic description logic
AAAI'97/IAAI'97 Proceedings of the fourteenth national conference on artificial intelligence and ninth conference on Innovative applications of artificial intelligence
The limits on combining recursive horn rules with description logics
AAAI'96 Proceedings of the thirteenth national conference on Artificial intelligence - Volume 1
Optimizing the data intensive mediator-based web services composition
APWeb'06 Proceedings of the 8th Asia-Pacific Web conference on Frontiers of WWW Research and Development
Data procurement for enabling scientific workflows: on exploring inter-ant parasitism
SWDB'04 Proceedings of the Second international conference on Semantic Web and Databases
Heyting domains for constraint abduction
AI'06 Proceedings of the 19th Australian joint conference on Artificial Intelligence: advances in Artificial Intelligence
Discovering and Resolving User Intent in Heterogeneous Databases
Fundamenta Informaticae - Intelligent Systems
High-performance complex event processing using continuous sliding views
Proceedings of the 16th International Conference on Extending Database Technology
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We describe the architecture and query-answering algorithms used in the Information Manifold, an implemented information gathering system that provides uniform access to structured information sources on the World-Wide Web. Our architecture provides an expressive language for describing information sources, which makes it easy to add new sources and to model the fine-grained distinctions between their contents. The query-answering algorithm guarantees that the descriptions of the sources are exploited to access only sources that are relevant to a given query. Accessing only relevant sources is crucial to scale up such a system to large numbers of sources. In addition, our algorithm can exploit run-time information to further prune information sources and to reduce the cost of query planning.