Smalltalk-80: the language and its implementation
Smalltalk-80: the language and its implementation
The role of frame-based representation in reasoning
Communications of the ACM
Object-oriented programming in Prolog
AI Expert
A database management system based on an object-oriented model
Proceedings from the first international workshop on Expert database systems
Logical introduction to databases
Logical introduction to databases
Object-oriented data base design
AI Expert
Extending the database relational model to capture more meaning
ACM Transactions on Database Systems (TODS)
The design and implementation of INGRES
ACM Transactions on Database Systems (TODS)
ACM Computing Surveys (CSUR)
A relational model of data for large shared data banks
Communications of the ACM
GEO-OUEL: a system for the manipulation and display of geographic data
SIGGRAPH '77 Proceedings of the 4th annual conference on Computer graphics and interactive techniques
Making smalltalk a database system
SIGMOD '84 Proceedings of the 1984 ACM SIGMOD international conference on Management of data
Proceedings of the Third International Conference on Data Engineering
Formal Specification of Geographic Data Processing Requirements
Proceedings of the Second International Conference on Data Engineering
SEQUEL: A structured English query language
SIGFIDET '74 Proceedings of the 1974 ACM SIGFIDET (now SIGMOD) workshop on Data description, access and control
Research issues in spatial databases
ACM SIGMOD Record - Directions for future database research & development
The design and implementation of an expert object-oriented geographic information system
CIKM '93 Proceedings of the second international conference on Information and knowledge management
A semantic modeling approach for image retrieval by content
The VLDB Journal — The International Journal on Very Large Data Bases - Spatial Database Systems
A Unifying Approach to Iconic Indexing for 2-D and 3-D Scenes
IEEE Transactions on Knowledge and Data Engineering
Symbolic Description and Visual Querying of Image Sequences Using Spatio-Temporal Logic
IEEE Transactions on Knowledge and Data Engineering
A Three-Dimensional Iconic Environment for Image Database Querying
IEEE Transactions on Software Engineering
A Visual Query Language for Graphical Interaction with Schema-Intensive Databases
IEEE Transactions on Knowledge and Data Engineering
Interaction with geographic information systems via spatial queries
Journal of Visual Languages and Computing
GPS and road map navigation: the case for a spatial framework for semantic information
Proceedings of the International Conference on Advanced Visual Interfaces
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An abstract formalism for the representation of spatial knowledge is suggested. The focus is on the development of a comprehensive representation scheme for pictorial information in which the knowledge model of the given world has a high degree of perceptual similarity to a typical user's view of the same world. The model that has been developed uses the object-oriented method of knowledge representation. The intention is that with this model any user of the system will be equipped to depict pictorial information easily and will be able to portray spatial as well as conceptual abstractions, generalizations, and rules at various levels.