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Semantic positioning : supporting knowledge work through semantic spatial arrangements

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  • Computer Science
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Semantic Positioning - Supporting Knowledge Work through Semantic Spatial Arrangements SEMANTIC POSITIONING Supporting Knowledge Work through Semantic Spatial Arrangements Dissertation Submitted to the faculty of Computer Science, Electrical Engineering and Mathematics of the University of Paderborn, to attain the German academic degree of: Doctor rerum naturalium (Dr. rer. nat.) By Patrick C. W. Erren June 2010 ABSTRACTS 2 Abstract Semantics as a research field within computing is mostly based on a textual representations (e.g. Web Ontology Language). Still, interpretation and codification of meaning by spatial arrangement seems to be at least as common in every day usage. Humans need to arrange and position knowledge artifacts in meaningful ways to gain differential experience. For instance, documents are placed next to each other for comparisons, are grouped into stacks or sorted into trays for further processing. Each position has a specific semantic meaning, like documents on a certain pile being “to do”-items. Additionally, relevant actions and even social rules are associated with semantic positions. E.g. cleaning personnel may empty the trash bin, but not pick up scrunched papers from the desk of an office worker. Semantic Positioning refers to these kinds of spatial arrangements in digital media, where an object gains meaning simply by its position in the current context. This allows processing the semantic positions of objects and the invocation of matching responsive behavior in the system. Based on this, the main research contributions of this thesis are a developed framework for the creation of semantic (overlay) arrangements and proving that by respective evaluations of position, benefits can be achieved for knowledge workers. The Semantic Positioning Framework distinguishes five m

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