| Lenat, D.B. and Guha, R.V. 1990 Building large knowledge based systems. Addison-Wesley, Reading Massachusetts |
.... in another medical terminology application using the comparatively inexpressive DL a rather complex work around is performed in order to represent similar propagations [Schulz and Hahn, 2001] Similar expressiveness was also provided in the CycL language by the transfersThro statement [Lenat and Guha, 1989] . It is quite straightforward to extend so that this kind of propagation can be expressed: simply allow for role inclusion axioms of the form R#S P , which then enforces all models to interpret the composition of R I with S I as a sub relation of P I . e.g. the above examples translate ....
D. B. Lenat and R. V. Guha. Building Large Knowledge-Based Systems. Addison Wesley, 1989.
....a new collection to represent the event type. This paper describes an ontology for process representation which allows processes to be described purely at the type level. The semantics of these relations is expressed in terms of more primitive event to object relations in the Cyc on tology[6, 7]. A similar semantics in terms of the Process Specification Language (PSL) 11] types and relations has also been developed in the course of this work showing the (relative) independence of the type level and the ground level. The process ontology aims to provide a concise set of useful ....
Lenat, D.B. and Guha, R.V. Building large knowledge-based systems. Representation and inference in the Cyc project. Addison-Wesley, Reading, Massachusetts, 1990.
....be enrolled in at least one course ) As [17] points out, while the purpose of an ontology is to define terminology, the form of an ontology is that of a knowledge base or database conceptual schema. Since ontologies are usually represented in logic fiavoured languages (such as KIF [4] and CycL [10]) in this paper we will often view an ontology as a first order theory. It is instructive to see how taxonomic information can be represented in logic. Consider the tree in Figure I (all figures are presented at the end of this paper) which represents classes of staff in the School of CIT at ....
D.B. Lenat and R.V. Guha. Building Large Knowledge-based Systems, AddisonWesley 1990.
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Lenat, D.B. and Guha, R.V. 1990 Building large knowledge based systems. Addison-Wesley, Reading Massachusetts
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Lenat, D., and Guha, R. 1990. Building Large Knowledge Based Systems. Reading, Mass.: Addison Wesley.
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Lenat, D., Guha, R.V. (1990). Building Large Knowledge-Based Systems. Addison Wesley.
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Lenat, D., Guha, R.V.: Building Large Knowledge-Based Systems. Addison Wesley (1990)
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Lenat, D., Guha, R.V.: Building Large Knowledge-Based Systems. Addison Wesley (1990)
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D. B. Lenat and R. V. Guha. Building large knowledge#based systems. Representation and in# ference in the Cyc project. Addison#Wesley# Reading# Massachusetts# 1990.
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Lenat, D. and Guha, R. V. Building Large Knowledge-based systems. Addison Wesley. 1990.
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Lenat, D., Guha, R.V.: Building Large Knowledge-Based Systems. Addison Wesley (1990)
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Lenat, D., Guha, R.V.: Building Large Knowledge-Based Systems. Addison Wesley (1990)
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Lenat, D., Guha, R.V.: Building Large Knowledge-Based Systems. Addison Wesley (1990)
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Douglas B. Lenat, R. V. Guha. Building Large Knowledge-Based Systems. Addison Wesley: Reading, MA, 1990.
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D. B. Lenat and R. V. Guha. Building Large Knowledge Based Systems. Addison Wesley, 1990.
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Lenat, D., Guha, R. V.: Building Large Knowledge-Based Systems. Addison Wesley (1990).
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Lenat DB and Guha RV. Building Large Knowledge-Based Systems. Addison Wesley, Reading, MA, USA, 1990.
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Lenat D. B. and Guha R. V., Building Large Knowledge Based System, Representation and Inference in the CYC Project. Reading, Mass: Addison Wesley, 1990. http://www.cyc.com
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D. B. Lenat and R. V. Guha. Building Large Knowledge-Based Systems. Addison-Wesley: Reading, MA, 1990.
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D.B. Lenat and R.V. Guha. Building large knowledge-based systems. Representation and inference in the Cyc project. Addison-Wesley, Reading, Massachusetts, 1990.
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D.B. Lenat and R.V. Guha. Building large knowledge-based systems. Representation and inference in the Cyc project. Addison-Wesley, Reading, Massachusetts, 1990.
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Lenat, D.B., Guha, R.V. Building Large Knowledge-based systems. Representation and Inference in the Cyc Project. Addison-Wesley. Reading. Massachusetts. 1990.
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D. B. Lenat and R. V. Guha, Building Large Knowledge-Based Systems, Addison-Wesley, Reading, MA, 1990, http://www.cyc.com.
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D. B. Lenat and R. V. Guha, Building Large Knowledge-Based Systems (Representation and Inference in the Cyc Project), Addison-Wesley, Reading, MA, December 1989.
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D Lenat and R Guha. Building Large Knowledge-based Systems. Addison-Wesley, 1990.
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