Ontologies: A Silver Bullet for Knowledge Management and by Dieter Fensel

By Dieter Fensel

This moment edition systematically introduces the thought of ontologies to the non-expert reader and demonstrates intimately how you can observe this conceptual framework for greater intranet retrieval of company details and information and for more desirable Internet-based digital trade. He additionally describes ontology languages (XML, RDF, and OWL) and ontology instruments, and the appliance of ontologies. as well as structural advancements, the second one version covers fresh advancements on the subject of the Semantic net, and rising web-based usual languages.

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Ontologies: A Silver Bullet for Knowledge Management and Electronic Commerce

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You can make use of this strategy, when deciding which facts are to be put into the database. Either you limit the queries that can be processed by the system or you replace real entries in the database with a virtual entry representing a query to the inference engine. The latter may necessitate a long delay in answering, which, however, may be acceptable for user agents which collect information of the WWW in a background mode. Finally, you can cache the results of such queries to speed up the process in cases where it is asked again.

However, finding the right on-line store that sells the desired product at a reasonable price may be very time consuming, too. • Corporative product search. User profiles that support users in searching for products they are likely to fit to their needs could be built up automatically. Corporative strategies try to find similar users and use their product choices as recommendations. However, such possibilities are rarely used currently. • Market transparency. , the costs of achieving complete 36 information are much greater than the savings they provide.

Comparing the current situation with the above sketched potential shows that on-line commerce is far from realizing its future promise. Approaches that take steps towards realizing more of its potential merits will be discussed in the following. ” [Etzioni, 1997] Shopbots1 are special-purpose information search, filter, and integration agents2 providing much better recall and precision than general-purpose search engines, and they usually add some extra service. Their general architecture is shown in Figure 16.

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