Abstraction mechanisms in hypertext
Communications of the ACM
Database abstractions: aggregation and generalization
ACM Transactions on Database Systems (TODS)
The semantic data model: a modelling mechanism for data base applications
SIGMOD '78 Proceedings of the 1978 ACM SIGMOD international conference on management of data
An Abstract Introduction to the Temporal-Hierarchic Data Model (THM)
VLDB '83 Proceedings of the 9th International Conference on Very Large Data Bases
A Model for Adaptive Information Retrieval
Journal of Intelligent Information Systems
Application of Spreading Activation Techniques in InformationRetrieval
Artificial Intelligence Review
NKRL, a knowledge representation tool for encoding the ‘meaning’ of complex narrative texts
Natural Language Engineering
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A successful complex expert system, Kardio's model of the human heart is designed for the diagnosis of cardiac arrhythmias. Kardio is highly skilled in the reading of ECG recordings, and can be used as a diagnostic tool in ECG interpretation. In this groundbreaking account, the authors show how the model was compiled, by means of qualitative simulation and machine learning tools, into various representations that are suited for particular expert tasks. They investigate a hierarchical organization of a qualitative model and outline an experiment whereby the construction of a deep model is automated by machine learning techniques. The book contains a complete model of the electrical system of the heart.