نتایج جستجو برای: semantic extension
تعداد نتایج: 252290 فیلتر نتایج به سال:
Advanced management of environmental data requires appropriate metadata and tooling. Moreover, contemporary environmental data is heterogenous, encompassing also data about people, environmentalyrelated projects, and documents. Also geographicaland time-related information are vital for any environmental data and should be supported. To satisfy these requirements, “semantic wikis” represent sui...
Semantic Web service studies are carried out around the OWL-S, however, OWL-S model does not contain the description of preferences and constraints when we choose and use them in different organizations, different cultures, different sectors and actors because of OWL capacity limitations in rules. It means that Semantic Web service composition can not compose users’ subjective services from the...
The merging of Wikis and the Semantic Web leads to the possibility of editable Web pages where users can create, change and store knowledge. This generated knowledge is usable to enhance the way conventional Wikis organize, retrieve and present content. However, Web-based information is increasingly non-textual. While semantic Wikis are expected to provide a powerful path to the public Semantic...
Most mobile robotic systems use internal representations of the gathered information that is not intuitively understandable by humans and that is inadequate for learning from commonly available sources. The combination of object/place classification and common-sense knowledge to semantic maps found its way into indoor semantic mapping approaches in order to improve human-robot interaction. The ...
Semantic change has mostly been studied by historical linguists and typically at the scale of centuries. Here we study semantic change at a finer-grained level, the decade, making use of recent newspaper corpora. We detect semantic change candidates by observing context shifts which can be triggered by topic salience or may be independent from it. To discriminate these phenomena with accuracy, ...
Attribute grammars can be considered as an extension of context-free grammars, where the attributes are associated with grammar symbols, and the semantic rules deene the values of the attributes. This formalism is widely applied for the speciication and implementation of the compilation-oriented languages. The paper presents a method for learning semantic functions of attribute grammars which i...
We present a scalable and reliable framework for Semantic Portals which is an extension of our existing SEAL approach. We illustrate the instantiation of our framework by the real-world example of a heterogeneous and distributed infrastructure of Semantic Portals, viz. the portal of our institute AIFB, the OntoWeb.org portals and the KM-Vision.org portal. The approach relies on the application ...
Semantic Web (SW), commonly regarded as the next generation of the Web, is an emerging vision of the new Web from the Knowledge Representation and the Web communities. To realize this vision, a series of techniques has been proposed. Semantic Web Ontology Langauge (OWL) and its extension Semantic Web rule Language (SWRL) and Semantic Web Logic Language (SWRL-FOL) are some of the most important ...
In its core, the Semantic Web is about the creation, collection and interlinking of metadata on which agents can perform tasks for human users. While many tools and approaches support either the creation or usage of semantic metadata, there is neither a proper notion of metadata need, nor a related theory of guidance which metadata should be created. In this paper, we propose to analyze structu...
Traditional recommender systems as they are mostly used in today’s recommendation applications (e.g. the SMART Recommendations Engine of Fraunhofer FOKUS) primarily concentrate on recommending items to users. However, thinking of many modern (mobile) applications, contextual and semantic information may provide a significant preciseness to the recommendation process. That’s why, Fraunhofer FOKU...
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