The category concept: an extension to the entity-relationship model
Data & Knowledge Engineering
A graphical query language for entity-relationship databases
Proc. of the third international conference on Entity-relationship approach to software engineering
Formal techniques for data base design
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A framework for choosing a database query language
ACM Computing Surveys (CSUR)
A Visual Approach to Browsing in a Database Environment
Computer - Computer science education in the US
Graphical query formulation for an entity-relationship model
Data & Knowledge Engineering
PICASSO: a graphical query language
Software—Practice & Experience
A graphical entity-relationship database browser
Proceedings of the Twenty-First Annual Hawaii International Conference on Software Track
Fundamentals of database systems
Fundamentals of database systems
NFQL: the natural forms query language
ACM Transactions on Database Systems (TODS)
A Relational Calculus with Set Operators, Its Safety, and Equivalent Graphical Languages
IEEE Transactions on Software Engineering
An Entity-Relationship Programming Language
IEEE Transactions on Software Engineering
Extending the database relational model to capture more meaning
ACM Transactions on Database Systems (TODS)
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
Semantics of update operations for an extended entity-relationship model
CSC '88 Proceedings of the 1988 ACM sixteenth annual conference on Computer science
An algebraic language for graphical query formulation using an extended entity-relationship model
CSC '87 Proceedings of the 15th annual conference on Computer Science
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SIGMOD '80 Proceedings of the 1980 ACM SIGMOD international conference on Management of data
Lessons from a "living in a database" graphical query interface
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SNAP: A Graphics-based Schema Manager
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VLDB '82 Proceedings of the 8th International Conference on Very Large Data Bases
GORDAS: A Formal High-Level Query Language for the Entity-Relationship Model
ER '81 Proceedings of the Second International Conference on the Entity-Relationship Approach to Information Modeling and Analysis
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Proceedings of the Fourth International Conference on Entity-Relationship Approach
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Proceedings of the Sixth International Conference on Entity-Relationship Approach
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UIST '90 Proceedings of the 3rd annual ACM SIGGRAPH symposium on User interface software and technology
A microcomputer implementation of an ER query interface
SIGSMALL '91 Proceedings of the 1991 ACM SIGSMALL/PC symposium on Small systems
Visualizing and querying software structures
ICSE '92 Proceedings of the 14th international conference on Software engineering
A microcomputer implementation of an ER query and update interface
ACM SIGSMALL/PC Notes
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ACM Transactions on Information Systems (TOIS)
Automated Query Formulation Using an Entity–Relationship Conceptual Schema
Journal of Intelligent Information Systems
CBM: a visual query interface model based on annotated cartoon diagrams
AVI '00 Proceedings of the working conference on Advanced visual interfaces
Hyperlog: A Graph-Based System for Database Browsing, Querying, and Update
IEEE Transactions on Knowledge and Data Engineering
A Visual Query Language for Graphical Interaction with Schema-Intensive Databases
IEEE Transactions on Knowledge and Data Engineering
Visualization of Path Expressions in a Virtual Object-Oriented Database Query Language
DASFAA '99 Proceedings of the Sixth International Conference on Database Systems for Advanced Applications
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Journal of Systems and Software
Visualizing and querying software structures
CASCON '91 Proceedings of the 1991 conference of the Centre for Advanced Studies on Collaborative research
Challenges in graph-based relational data visualization
CASCON '92 Proceedings of the 1992 conference of the Centre for Advanced Studies on Collaborative research - Volume 1
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Journal of Management Information Systems
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IDEAS'97 Proceedings of the 1997 international conference on International database engineering and applications symposium
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Information and Software Technology
| Hi-index | 4.10 |
A user can formulate database queries and updates graphically, by manipulating schema diagrams. The authors based the graphical data manipulation interface on the entity-relationship (ER) model because of its widespread use and increasing popularity. They use an extended ER model incorporating various forms of generalization and specialization, including subset, union and partition relationships. They call their model the extended conceptual entity-relationship or ECER model. A comparison with other graphical entity-relationship interfaces is included.