Abstract:Semantic portals are characterized for storing and structuring content according to specific domain ontologies. This content is represented through ontological languages, which enable not only adding semantic value to information treatment, but also inferring new knowledge from it. Publication in a semantic portal is typically done by instantiating its ontology, and this is often performed manually or through the use of specific forms. However, in order to keep portals constantly up-to-date, it is necessary to… Show more
“…It contains DL-Lite (logic), and a fuzzy DL-Lite query engine, which is used for query answering over ontologies. TOSS can return more relevant documents through expanding a query by using other words that have the same meaning using ontologies [8]. Sim developed an Information Filtering Agent using ontology to determine the relevant documents in its searches.…”
“…It contains DL-Lite (logic), and a fuzzy DL-Lite query engine, which is used for query answering over ontologies. TOSS can return more relevant documents through expanding a query by using other words that have the same meaning using ontologies [8]. Sim developed an Information Filtering Agent using ontology to determine the relevant documents in its searches.…”
Semantic portals, such as socio-technical artifacts, involve different actors that are aligned to offer communication and information search services more quickly and accurately. The objective of this study is to describe the network of actors involved in the construction of semantic portals and their interrelationships. The precepts of the Actor-Network Theory were used as a methodology to design a network of semantic portals from selected studies in the literature. The results indicated that the design of the network of semantic portals points to actions of human actors: portal administrators, portal developers and end users, but also of non-human actors, which are made up mainly of technologies. Each actor has his or her interest contemplated as the other actors fulfill their roles towards a common goal - information of high added value. It can be concluded that the study of the features of the portal actors' network can guide changes in current standards, focusing on the quality of research results and the informational needs of the user community.
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