Gql, a declarative graphical query language based on the functional data model
AVI '94 Proceedings of the workshop on Advanced visual interfaces
Visual query languages for entity relationship model databases
Journal of Network and Computer Applications
GraphLog: a visual formalism for real life recursion
PODS '90 Proceedings of the ninth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
GUIDE: Graphical User Interface for Database Exploration
VLDB '82 Proceedings of the 8th International Conference on Very Large Data Bases
Visual query of completely encapsulated objects
RIDE '95 Proceedings of the 5th International Workshop on Research Issues in Data Engineering-Distributed Object Management (RIDE-DOM'95)
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This paper introduces SEEQ - a System for Enhanced Exploration and Querying. It is a visual query system for databases that uses a diagrammatic visualization for most user interaction. The database schema is displayed as a graph of the data model including classes, associations and attributes. The user formulates the query in terms of direct manipulation as a graph of the schema objects, additional operators and constants. The output of the query is visualized as a graph of instances and constants or in some other format that is appropriate for the data. SEEQ can operate on arbitrary relational data base provided that the schema is in XML format.