Abstract: Provided is a control method of a server providing information on an optimum AP. The control method of a server includes: acquiring wireless communication connection information of at least one user terminal and location information of the at least one user terminal, from each of the at least one user terminal; when a request for an access point (AP) search is received from a first user terminal, determining at least one optimum AP which can connect with the first user terminal, on the basis of the acquired wireless communication connection information and location information; and transmitting information on the determined optimum AP to the first user terminal.

Abstract: Provided is a control method of a server providing information on an optimum AP. The control method of a server comprises: acquiring wireless communication connection information of at least one user terminal and location information of the at least one user terminal, from each of the at least one user terminal; when a request for an access point (AP) search is received from a first user terminal, determining at least one optimum AP which can connect with the first user terminal, on the basis of the acquired wireless communication connection information and location information; and transmitting information on the determined optimum AP to the first user terminal.

Abstract: A context aware apparatus is provided. The context aware apparatus includes an extracting unit configured to extract a terminological-box (T-box) from a semantic model, a first generating unit configured to generate a reasoning rule based on the extracted T-box, a second generating unit configured to generate a first assertion-box (A-box) based on sensing information, and a reasoning unit configured to infer a user context based on the reasoning rule and the first A-box.

Abstract: An apparatus and method for generating context-aware information based on local service information are provided. In one embodiment, a hardware apparatus for generating context-aware information may include an information receiver configured to receive local service information from a local server; and a context-aware information generator configured to generate context-aware information associated with a user based on sensor information and the received local service information.

Abstract: A context-aware information obtaining method and apparatus uses local service information. A communication apparatus may receive local service information associated with a location of the communication apparatus. The communication apparatus may interpret the local service information to generate context-aware information of the communication apparatus.

Abstract: A context-aware information obtaining method and apparatus uses local service information. A communication apparatus may receive local service information associated with a location of the communication apparatus. The communication apparatus may interpret the local service information to generate context-aware information of the communication apparatus.

Abstract: Techniques for reasoning in a context-aware apparatus are provided. The context-aware apparatus includes least an input, an input selector, and a reasoning component. The information selector selects input information that satisfies a particular condition from among the information received by the input of the context-aware apparatus. The reasoning component performs context-aware reasoning based on the selected input information that satisfies the particular condition.

Abstract: A context aware apparatus is provided. The context aware apparatus includes an extracting unit configured to extract a terminological-box (T-box) from a semantic model, a first generating unit configured to generate a reasoning rule based on the extracted T-box, a second generating unit configured to generate a first assertion-box (A-box) based on sensing information, and a reasoning unit configured to infer a user context based on the reasoning rule and the first A-box.

Abstract: A presentation apparatus includes: a communication connection establishing unit establishing a communication connection with a plurality of receiving terminals and a source terminal, the source terminal having a token corresponding to an authority of controlling a presentation; a presentation data relay unit receiving presentation data from the source terminal, broadcasting a presentation image to the plurality of receiving terminals to display the presentation image of the received presentation data on each screen of the plurality of receiving terminals, and broadcasting voice information to the source terminal and the plurality of receiving terminals to output, from each terminal, the voice information being inputted from any one of the source terminal and the plurality of receiving terminals; and a presentation control unit controlling a transmission/reception of the presentation image and the voice information, and controlling a receiving terminal requesting the token to obtain the token.

Abstract: A method of configuring a virtual device and a system of configuring a virtual device is provided. A plurality of virtual device drivers corresponding to a plurality of specific functions of a first device is identified along with a second device. A plurality of virtual device drivers corresponding to the plurality of specific functions of the second device is also identified. A plurality of virtual device drivers required for a service is selected from the plurality of virtual device drivers corresponding to the plurality of specific functions of the first device and the plurality of virtual device drivers corresponding to the plurality of specific functions of the second device. The virtual device is configured with the plurality of virtual device drivers required for the service.

Abstract: An apparatus and method for generating a context-aware information model are provided. A context-aware information model generation apparatus may generate a final model using at least one candidate context-aware information model that is determined based on sensor information. Additionally, the context-aware information model generation apparatus may infer a context of a user based on the generated final model.

Abstract: An apparatus and method for generating context-aware information based on local service information are provided. In one embodiment, a hardware apparatus for generating context-aware information may include an information receiver configured to receive local service information from a local server; and a context-aware information generator configured to generate context-aware information associated with a user based on sensor information and the received local service information.

Abstract: A method and apparatus for handover based on a dynamic beamforming scheme, which is adapted to a mobile communication system including a mobile node and a base station, is provided. The apparatus includes a mobile profile information processor configured to process mobile profile information based on a location of the mobile node, and to generate a beamforming control signal according to the mobile profile information; a handover indication message processor configured to generate a first handover indication message incorporating the mobile profile information in preparation for a handover of the mobile node; a transceiver configured to transmit the first handover indication message; and a beamforming controller configured to control beamforming for transmission of the transceiver according to the beamforming control signal.

Abstract: An apparatus and method for testing a ubiquitous service or a ubiquitous device using a uniform object model are provided. Because a virtual ubiquitous environment is constructed with devices, services, users, layouts, and the like, physical construction of the ubiquitous environment to test services or devices is not needed. Therefore, the effectiveness of the ubiquitous device or service can be confirmed without requiring a ubiquitous environment to be physically constructed. Additionally, time or cost of constructing a ubiquitous environment can be reduced. Because a variety of environments can be easily constructed through the test of devices or services, the performances of the devices or services can also be improved.

Abstract: A context-aware information obtaining method and apparatus uses local service information. A communication apparatus may receive local service information associated with a location of the communication apparatus. The communication apparatus may interpret the local service information to generate context-aware information of the communication apparatus.

Abstract: A system and method for saving sensor power consumption based on context information on a wireless sensor network are provided. Basic context information is received from inside and outside of a network system including at least one sensor, wherein context information based on the basic context information is determined by inference, a group of expected services corresponding to the context information is determined, a sensor operation mode according to the group of expected services is determined, and control data is transmitted to the sensor according to the sensor operation mode. Accordingly, a sensor operation mode is adaptively determined according to changes of context information so that power consumption of a sensor can be saved.

Abstract: An apparatus and method of recognizing a surrounding state are provided. The apparatus for recognizing a surrounding state includes: a unique information obtaining unit which obtains, from a peripheral device, unique information of the peripheral device; and a surrounding state determining unit which determines a surrounding state, based on the unique information.

Abstract: A picture image providing method and a picture-taking device using the method are provided. The picture-taking device includes: a picture-taking module generating a picture image by taking a picture of a photography object via a camera; a transmission location management module managing a target image for identifying the photography object included in the picture image, and transmission location information for transmitting the picture image, in correspondence to the target image; an area selection module selecting an area on the picture image corresponding to the target image; an image identification module identifying the target image corresponding to the photography object, included in the picture image, using the target image and the selected area on the picture image; and a picture image transmission module identifying the transmission location information corresponding to the identified target image, and transmitting the picture image to a location corresponding to the transmission location information.

Abstract: A control signal input device and a control signal input method are provided. A control signal input device, includes a first touch sensor unit to output a first sensing signal in response to a first touch, a second touch sensor unit to output a second sensing signal in response to a second touch, and a control signal generation unit to generate an event control signal based on at least one of the first sensing signal and the second sensing signal.

Abstract: A data aggregation method and data aggregation apparatus are provided. More particularly the data aggregation method includes: generating a plurality of data aggregation trees according to connection relationships between clusters that constitute a sensor network using a geographical code (GGC), selecting a single activation zone for each of the clusters which configures each of the plurality of data aggregation trees, selecting a maximum energy tree having a maximum total residual energy from the plurality of data aggregation trees, based on the single activation zone, and generating a tree list including activation zone information which corresponds to the maximum energy tree, and information about the maximum energy tree.