Visualising news taxonomies ontologies and－hncobys的部落格

The Need for Ontologies

Information is spread in organisations and repeatedly not command in such a structured way as to be easy accessed by employees or computer code. This hold-up was examined by Lau et al (2005) victimisation the trial of McDonnell Douglas (now part of Boeing), that incontestible how severe it is to get together unorganised know-how. Therefore, it is exalted that investigation is undertaken into methods of capturing, structuring, distributing, analysing, and visualising news.

Taxonomies, Ontologies and Structuring of Information

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An ontology is a arrangement composition. A hierarchy can be of late a handy shop to lend a hand programmers, or portion of an overall 'thesaurus' which describes and agrees the plan of belongings. This 'thesaurus' edifice is the ontology and may encompass one or much taxonomies. Engineers may have disparate name calling for the aforementioned thing, e.g. organ wrapping stiffeners may be referred to as stringers, but rib stiffeners are ne'er called stringers. There is a tie of participant to stiffener, which needs to be defined, and this account depends on the context. A class conspire or ontology is needed in charge to receive letter hairsplitting. Such an ontology can likewise be in use to assist non-specialists to grasp the terminology of a unique environment. The ontology can likewise alter relations concerning the computer systems and users. Hunter (2002) explains how taxonomies can be the foundation of the definitions for an ontology, and that commercial code is unspoken for. Hunter gives examples of the Ministry of Defense technology taxonomy, and the Boeing online ontology. The hierarchy "Type-Of" and "Part-Of" associations can symbolize how to erect the taxonomy. Veryard (2001) and McGuinness (2000) endow pragmatic guides on how ontologies can help in linking shared out accumulation. This linking and connectivity is too explained in 'Ontologies and Semantics for Seamless Connectivity' Uschold and Gruninger (2004).

Knowledge based systems requirement to allow a variety of ancestors in distinct disciplines to measure awareness crosstown functional, departmental, and trait boundaries. Consideration is requisite of the more trial that definite understanding should be common beside others exterior the organisation specified as suppliers, and trade.

There is a effective demand for amalgamation of the approaches of top downward ontology explanation by a undersized band of experts beside that of the bottom up way of thinking of allowing all users to set the ontology. Software applications are requisite that allow users next to undersize software package ease to edit and intelligence ontologies themselves. The degree to which an system allows this depends on its structure but if this is altogether prevented or not enabled in the prototypic place, in attendance will be mortal discontent ensuing from their shortage of collusion. It is likewise apparent that advancement in defining and writing the ontology would be delayed-action.

The many-sided human foundation of comprehension systems grades in a added problem, which is that of atomisation of the terminology itself. As the users are in contrary trades and professions they will not necessarily understand the aforesaid words, or credit to them the aforesaid characterization. Again this makes it indispensable to edifice the gen in a knowledge-based group carefully, to insure it can be recovered visualised, and agreements can be reached.

Relationships involving footing specified as type-of, and part-of go much meaningful than the term itself, as the affinity defines the implication of the possession by relating it to the opposite lingo. These associations can later be diagrammatic in delineated come together and navigated, in command to let the designation of footing to be united and explained. A nomenclature framework such as as this is termed the ontology.

My ambition is to size a catalog and gross use of it for judgment strut and costing systems, time demonstrating that the same way of behaving could be in use for remaining types of arrangement(s). It is needed that this inventory can inquiry gossip from organisations' existent database systems. Most thumping organisations have key running experience and data disseminated intersectant disparate types of substance systems, oft in relative databases. This has the profit of allowing the use of the standard vernacular Structured Query Language (SQL) to access this facts.

This investigating is explained in greater distance downwards 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 grouping to give your approval to procurance edict. 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 .