Should anchors be typed too?: an experiment with MacWeb
HYPERTEXT '93 Proceedings of the fifth ACM conference on Hypertext
VIKI: spatial hypertext supporting emergent structure
ECHT '94 Proceedings of the 1994 ACM European conference on Hypermedia technology
The entity-relationship model—toward a unified view of data
ACM Transactions on Database Systems (TODS) - Special issue: papers from the international conference on very large data bases: September 22–24, 1975, Framingham, MA
Communications of the ACM
Querying websites using compact skeletons
PODS '01 Proceedings of the twentieth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Bundles in Captivity: An Application of Superimposed Information
Proceedings of the 17th International Conference on Data Engineering
Querying and Updating the File
VLDB '93 Proceedings of the 19th International Conference on Very Large Data Bases
A Conceptual-Modeling Approach to Extracting Data from the Web
ER '98 Proceedings of the 17th International Conference on Conceptual Modeling
Models for Superimposed Information
ER '99 Proceedings of the Workshops on Evolution and Change in Data Management, Reverse Engineering in Information Systems, and the World Wide Web and Conceptual Modeling
Shared Web Annotations as a Platform for Third-Party Value-Added, Information Providers: Architecture, Protocols, and Usage Examples
Putting integrated information in context: superimposing conceptual models with SPARCE
APCCM '04 Proceedings of the first Asian-Pacific conference on Conceptual modelling - Volume 31
Superimposed Applications using SPARCE
ICDE '04 Proceedings of the 20th International Conference on Data Engineering
Proceedings of the 7th International Workshop on the Web and Databases: colocated with ACM SIGMOD/PODS 2004
Representing and Querying Data Transformations
ICDE '05 Proceedings of the 21st International Conference on Data Engineering
Enriching documents in an information portal using superimposed schematics
dg.o '02 Proceedings of the 2002 annual national conference on Digital government research
The forest portal: a multidisciplinary project
dg.o '03 Proceedings of the 2003 annual national conference on Digital government research
Principles of dataspace systems
Proceedings of the twenty-fifth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Semantic components enhance retrieval of domain-specific documents
Proceedings of the sixteenth ACM conference on Conference on information and knowledge management
Capturing users' everyday, implicit information integration decisions
ER '07 Tutorials, posters, panels and industrial contributions at the 26th international conference on Conceptual modeling - Volume 83
Explicitly representing superimposed information in a conceptual model
ER'06 Proceedings of the 25th international conference on Conceptual Modeling
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Considerable research exists on providing structured access to unstructured information sources, primarily for search and query. Little attention has been placed on (1) keeping the by-products of the process (e.g., connections between structured and unstructured data are typically forgotten and context is lost), (2) developing a rich, conceptual structure for this new layer of information (e.g., the structured data is often represented in simple relational tables), and (3) further elaborating and linking the new, structured information. We propose superimposed schematics to address these issues. Superimposed schematics offer ER modeling constructs integrated with marks, where a mark holds an address to an information element in an underlying source. A superimposed schematic enables a conceptual addressing scheme for the information it contains (directly) and for the information it references (through marks). This addressing scheme can then be used for marking from additional layers of superimposed information. We consider schematics as a useful model for superimposed information and discuss how it fits into our general research on superimposed information.