SOFIA - Semantic connections. exploring and manipulating connections in smart spaces. TUE

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  • 1. Smart Objects For Intelligent Applications Artemis project 100017 Semantic Connections Exploring and Manipulating Connections in Smart Spaces Authors: ir. Bram J.J. van der Vlist, Gerrit Niezen MEng, dr. Jun Hu and prof. dr. ir Loe M.G. Feijs Introduction In envisioned smart environments, enabled by ubiquitous computing technologies, electronic objects will be able to interconnect and interoperate. How will users of such smart environments make sense of the connections that are made and the information that is exchanged? We developed a tile-like interactive object that allows for both exploration of a smart space in terms of connections, and manipulation of these connections and information/data streams through direct manipulation. This is done by making simple spatial arrangements. The interaction tile visualises the various connections by enabling users to explore which objects are Implementation Details connected to one another and what can be The interaction tile inserts events and data into a connected to what. triple store and queries it when it needs information. The different types of events and the connections between smart objects and their related properties are described in an ontology. The ontology with “is-a” relationships indicated is shown in the figure below. Every interaction with either the music players or the interaction tile results in an interaction event. A reasoner is used to reason about these low-level events in order to infer higher-level results. Meanings of lighting colour and dynamics: (a) Green solid light means the devices present are connected; When a user establishes a connection, two (b) Green, pulsing light means the devices are NFCEnterEvent events generated by two different currently not connected, but can be connected; (c) devices not currently connected, will result in a new Red solid light means device recognised, a second symmetric connectedTo relationship between the device is necessary to show connections or two devices. Since connectedTo is also an irreflexive connection possibilities; (d) Red solid light means the property, it is not possible for a device to be devices are recognised, but no connections or connected to itself. A generatedBy relationship is connection possibilities exist; (e) Shows the also created between the event and the smart device possibility to use multiple interaction tiles to look into that generated it, along with a timestamp and other connections in a more detailed manner, however both event metadata. (a) and (e) have the same meaning.Copyright © SOFIA 2010 Sponsored by