Programming in Prolog (2nd ed.)
Programming in Prolog (2nd ed.)
Communications of the ACM
Principles of database and knowledge-base systems, Vol. I
Principles of database and knowledge-base systems, Vol. I
Reflections on NoteCards: seven issues for the next generation of hypermedia systems
Communications of the ACM
A logical language for data and knowledge bases
A logical language for data and knowledge bases
The structure of the relational database model
The structure of the relational database model
A data model for flexible hypertext database systems
ACM Transactions on Information Systems (TOIS)
Object identity as a query language primitive
SIGMOD '89 Proceedings of the 1989 ACM SIGMOD international conference on Management of data
HYPERTEXT '89 Proceedings of the second annual ACM conference on Hypertext
Expressing structural hypertext queries in graphlog
HYPERTEXT '89 Proceedings of the second annual ACM conference on Hypertext
Hypertext and hypermedia
ILOG: declarative creation and manipulation of object identifiers
Proceedings of the sixteenth international conference on Very large databases
The hypernode model and its associated query language
JCIT Proceedings of the fifth Jerusalem conference on Information technology
An object-oriented data model formalised through hypergraphs
Data & Knowledge Engineering
PODS '91 Proceedings of the tenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
On the expressive power of database queries with intermediate types
Journal of Computer and System Sciences
Procedural languages for database queries and updates
Journal of Computer and System Sciences
Aspects: extending objects to support multiple, independent roles
SIGMOD '91 Proceedings of the 1991 ACM SIGMOD international conference on Management of data
Reasoning about functional dependencies generalized for semantic data models
ACM Transactions on Database Systems (TODS)
Introduction to object-oriented databases
Introduction to object-oriented databases
A nested-graph model for the representation and manipulation of complex objects
ACM Transactions on Information Systems (TOIS)
GraphLog: a visual formalism for real life recursion
PODS '90 Proceedings of the ninth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
A graph-oriented object database model
PODS '90 Proceedings of the ninth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Proceedings of the seventh ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
On the foundations of the universal relation model
ACM Transactions on Database Systems (TODS)
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
On the Equivalence of Database Models
Journal of the ACM (JACM)
A relational model of data for large shared data banks
Communications of the ACM
PASCAL user manual and report
Computers and Intractability: A Guide to the Theory of NP-Completeness
Computers and Intractability: A Guide to the Theory of NP-Completeness
A new approach to database logic
PODS '84 Proceedings of the 3rd ACM SIGACT-SIGMOD symposium on Principles of database systems
A Storage Manager for the Hypernode Model
BNCOD 10 Proceedings of the 10th British National Conference on Databases: Advanced Database Systems
Implementation of a graph-based data model for complex objects
ACM SIGMOD Record
Graph-based object-oriented approach for structural and behavioral representation of multimedia data
Proceedings of the eighth international conference on Information and knowledge management
A Multiagent Update Process in a Database with Temporal Data Dependencies and Schema Versioning
IEEE Transactions on Knowledge and Data Engineering
GDM: a new graph based data model using functional abstractionx
Journal of Computer Science and Technology - Special section on China AVS standard
Survey of graph database models
ACM Computing Surveys (CSUR)
Collaborating semantic link network with resource space model
GCC'05 Proceedings of the 4th international conference on Grid and Cooperative Computing
Graph-based data model for the content representation of multimedia data
KES'06 Proceedings of the 10th international conference on Knowledge-Based Intelligent Information and Engineering Systems - Volume Part II
SPIDER-graph: a model for heterogeneous graphs extracted from a relational database
ER'12 Proceedings of the 31st international conference on Conceptual Modeling
Context-aware modelling of continuous location-dependent queries in indoor environments
Journal of Ambient Intelligence and Smart Environments - Context Awareness
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Currently, database researchers are investigating new data models in order to remedy the deficiences of the flat relational model when applied to nonbusiness applications. Herein we concentrate on a recent graph-based data model called the hypernode model. The single underlying data structure of this model is the hypernode which is a digraph with a unique defining label. We present in detail the three components of the model, namely its data structure, the hypernode, its query and update language, called HNQL, and its provision for enforcing integrity constraints. We first demonstrate that the said data model is a natural candidate for formalising hypertext. We then compare it with other graph-based data models and with set-based data models. We also investigate the expressive power of HNQL. Finally, using the hypernode model as a paradigm for graph-based data modelling, we show how to bridge the gap between graph-based and set-based data models, and at what computational cost this can be done.