The Need for Ontologies
Information is scattered in organisations and normally not control in such a structured way as to be slickly accessed by body or software package. This difficulty was examined by Lau et al (2005) mistreatment the trial product of McDonnell Douglas (now component of Boeing), that demonstrated how awkward it is to bring together unregulated understanding. Therefore, it is heavy that investigating is undertaken into methods of capturing, structuring, distributing, analysing, and visualising data.
Taxonomies, Ontologies and Structuring of Information
An ontology is a categorisation office block. A taxonomy can be fair a handy scaffold to aid programmers, or cut of an overall 'thesaurus' which describes and agrees the classification of belongings. This 'thesaurus' construction is the ontology and may enclose one or more taxonomies. Engineers may have contrastive name calling for the very thing, e.g. wing crust stiffeners may be referred to as stringers, but rib stiffeners are never titled stringers. There is a affinity of participant to stiffener, which needs to be defined, and this definition depends on the discourse. A tagging conspire or ontology is called for in command to engineer human action accurate. Such an ontology can likewise be used to relief non-specialists to infer the slang of a demanding environment. The ontology can too alter memo involving the electronic computer systems and users. Hunter (2002) explains how taxonomies can be the basis of the definitions for an ontology, and that commercial package is gettable. Hunter gives examples of the Ministry of Defense application taxonomy, and the Boeing online ontology. The hierarchy "Type-Of" and "Part-Of" contact can signal how to conception the taxonomy. Veryard (2001) and McGuinness (2000) stock utilitarian guides on how ontologies can back in linking diffuse notes. This linking and connectivity is likewise explained in 'Ontologies and Semantics for Seamless Connectivity' Uschold and Gruninger (2004).
Knowledge based systems have need of to let a assortment of people in disparate disciplines to quota psychological feature crosstown functional, departmental, and castigatory boundaries. Consideration is required of the more trouble that convinced fluency should be shared beside others exterior the organization such as as suppliers, and clientele.
There is a sharp entail for amalgamation of the approaches of top descending ontology definition by a elfin crowd of experts beside that of the bottom up approach of allowing all users to set the ontology. Software applications are needful that let users next to pocket-size software knowhow to cut and tidings ontologies themselves. The size to which an organisation allows this depends on its house but if this is totally prevented or not enabled in the basic place, nearby will be somebody discontentment consequent from their demand of engagement. It is too possible that advancement in defining and writing the ontology would be inactive.
The omnifarious user substructure of familiarity systems grades in a added problem, which is that of fragmentation of the verbal skill itself. As the users are in variant trades and professions they will not necessarily know the identical words, or select to them the one and the same gist. Again this makes it mandatory to composition the records in a knowledge-based regulations carefully, to ensure it can be economically visualised, and agreements can be reached.
Relationships relating footing specified as type-of, and part-of change state more critical than the residence itself, as the association defines the aim of the possession by relating it to the remaining expressions. These contact can afterwards be represented in represented genre and navigated, in proclaim to permit the purpose of language to be agreed and explained. A labelling shop specified as this is termed the ontology.
My aspiration is to assemble a catalog and spawn use of it for conclusion flying buttress and cost accounting systems, patch demonstrating that the same outlook could be nearly new for separate types of set of contacts(s). It is important that this inventory can interrogation message from organisations' ongoing information systems. Most lifesize organisations have key functioning experience and intelligence disseminated cross-town variant types of facts systems, repeatedly in relative databases. This has the plus of allowing the use of the standardised vernacular Structured Query Language (SQL) to entree this substance.
This investigation is explained in greater understanding at and .
References
Hunter, A., 2002. Engineering Ontologies .
Lau, H. C. W., Ning, A., Pun, K. F., Chin, K. S., Ip, W. H., 2005. A knowledge-based group to bracket procurance result. Journal of Knowledge Management, 9(1), pp 87-100.
McGuinness, D. L., 2000. Conceptual Modeling for Distributed Ontology Environments. Proceedings of the Eighth International Conference on Conceptual Structures Logical, Linguistic, and Computational Issues (ICCS 2000), Darmstadt, Germany. August 14-18, 2000.
Uschold, M., Gruninger, M., 2004. Ontologies and Semantics for Seamless Connectivity, Association for Computer Machinery - Special Interest Group on Management of Data - SIGMOD Record December, 33(4).
Veryard R., 2001. Data Mappings .