Abstract: A method and apparatus for playing back a scene using Universal Plug and Play (UPnP). A control point sends a request for a scene to be played back to a media server that stores Audio/Video (AV) content and receives the scene to be played back from the media server in response to the request. The control point receives information about supportable protocol and file format from a media renderer that will play back content, and determines a content resource, a protocol and a file format to be used for playback based on the information. The control point composes a scene to be played back based on the received scenes. The media renderer plays back the composed scene.

Abstract: A method for protecting personal information in a home network is provided, in which a controlled device receives a subscribe request for a service of the controlled device, from a control point, and accepts the subscribe request. The controlled device receives information about the control point from the control point, and performs event delivery to the control point according to a policy that is set based on the information about the control point, when an event occurs in the controlled device.

Abstract: A method is provided for providing input in a home network using Universal Plug and Play (UPnP). A control point sends a request for information about input capabilities to an electronic device existing in the home network, and receives the information about the input capabilities in response to the request. The control point sets an input client and an input server based on the received information about the input capabilities. The control point transmits input data received through the set input client to the set input server.

Abstract: A system and method for transmitting/receiving a call on a home network. When a request for call transmission/reception is made, a CP selects a target electronic device to/from which to transmit/receive a call from among at least one electronic device, establishes a connection for call transmission/reception between a terminal and the selected target electronic device, and controls the call transmission/reception between the terminal and the selected target electronic device.

Abstract: An apparatus to generate and manage binding information that is used to map a bundle remotely installed into an open service gateway initiative (OSGi) framework, to at least one controller device that is interested in a change of a life cycle of the bundle, by using a controlled device, in which an OSGi service platform is installed.

Abstract: Provided are a method and apparatus for generating a mashup graph. The method includes receiving a set of services and collecting application programmable interfaces (APIs) of the services, and generating a mashup graph by using the collected APIs according to information regarding connections between the APIs and weights between the APIs. Thus, a mashup graph having a simple form in which a user's preference can be reflected can be generated, instead of a complicated connection matrix.

Abstract: Provided is a method of efficiently managing a software lifecycle of a controlled device, wherein the method is performed by a controller device in a home network. According to the method, the controller device requests the controlled device to change the software lifecycle only when a predetermined condition is satisfied. Accordingly, the controller device efficiently uses software according to characteristics thereof in the home network.

Abstract: Provided is a method of creating a mashup application in a host device in communication with a peer device by sharing remote services. The method includes discovering a second device that uses a middleware remote service sharing mechanism within a network, wherein a mashup framework of a first device performs the discovering; analyzing functionalities of the first device and the second device, and determining one of the first device and the second device as a host device and the other of the first device and the second device as the peer device; transmitting a list of available mashup combinations to the host device, wherein the peer device performs the transmitting; and selecting a mashup combination that is to be formed from the list, wherein the host device performs the selecting.

Abstract: The present invention provides an open application program interface (API) service. A method of providing the API service includes generating meta-data for executing an API, generating resource data for generating a mash-up of the API, generating description data corresponding to the API, the meta-data, and the resource data, and generating an API package comprising the API, the meta-data, the resource data, and the description data. Accordingly, mash-up contents can be easily generated from various types of APIs.

Abstract: Provided are a method and apparatus for managing an access privilege of an application in a Connected Limited Device Configuration (CLDC) and Open Service Gateway initiative (OSGi) environment. The method includes: marking a privileged code in the application; executing the privileged code in a secured thread having a unique thread identifier; identifying the privilege code by mapping the unique thread identifier with an application identifier from a mapping table; checking a permission policy file to determine what kind of resource access privilege the identified privileged code has; and permitting the application to access the resources according to the determination results. Accordingly, when an application tries to access resources in a framework, an access privilege of the application can be managed so that no applications can maliciously access the resources by identifying the application by using the mapping table and checking the security policy file of the identified application.

Abstract: Provided are a method and apparatus for managing resource access privileges of an application in a Connected Limited Device Configuration (CLDC) Open Service Gateway Initiative (OSGi) environment. The method includes executing the application in a thread having a unique thread identifier, identifying the application by mapping the unique thread identifier with an application identifier from a mapping table, examining a security policy to determine the kind of resource access privileges the identified application has, and allowing or not allowing, according to the examination result, the application to access the resources. Accordingly, when an application tries to access resources in a device, access privileges of the application can be managed so that the application does not maliciously access the resources.

Abstract: Provided is are method of relaying communication between a remote user interface (RUI) client and a universal plug and play (UPnP) device in a home network. The method includes: searching for a UPnP action mapped to an RUI element corresponding to an RUI control message received from an RUI client,; generating a simple object access protocol (SOAP) message for calling a found UPnP action; and transmitting the SOAP message to the UPnP device.

Abstract: Provided is a technique for preventing a loss by storing a universal plug and play (UPnP) control request and delaying handling of the UPnP control request. A method of handling a UPnP control request in a UPnP control point includes storing a UPnP control request that is not handled in the UPnP control point, receiving a message informing that a UPnP control device has participated in a network from the UPnP control device, receiving information about capability of the UPnP control device from the UPnP control device, determining whether the UPnP control device can perform the UPnP control request that is not handled based on the information about capability of the UPnP control device, and transmitting the UPnP control request to the UPnP control device that is determined to be able to perform the UPnP control request.

Abstract: A method and apparatus for ensuring security of a session. In the method, a first client selects a user interface related to a process in need of security from among user interfaces related to predetermined contents provided from a first server, and a first client or a second client communicates directly with a second server operated by a contents provider to perform the process in need of security and notifies the first server of the performing result. Thus, it is not required to transmit/receive security information via the first server.

Abstract: An event message transmitting method performed in a controlled device (CD) which is controlled by a control point (CP) is provided, in which an application is received from the CP via a network according to a network protocol, the received application is installed according to a framework of an execution environment of the CD, a first event message that represents a state change of the application is generated according to the framework, and the first event message is converted into a second event message that conforms to the predetermined network protocol. Accordingly, information about a state change of a CD which operates in an execution environment can be adaptively transmitted according to a network protocol.

Abstract: Provided are a method and apparatus for managing resources of a Universal Plug and Play (UPnP) device based on a connection status of a control point. The method of managing resources of a controlled device includes: monitoring an invocation of an action representing a connection of a control point for a predetermined time; determining whether the control point is connected to the controlled device or not by considering whether the monitored action is invoked or not; and increasing available resources by selectively deactivating an application which is controlled by the control point according to the determination result. Accordingly, the resources of the UPnP device can be effectively managed.

Abstract: A selective event message receiving method is provided, in which an application is installed in a controlled device (CD) by using a network, a start message which includes a parameter specifying at least one service included in the application and requests a start of the application is transmitted to the CD, and an event message that represents a state change of the at least one service specified by the parameter is received from the CD. Accordingly, the application can be efficiently managed by selectively recognizing state changes of some services of interest from among the services included in the application.

Abstract: Provided is a method, medium and apparatus for providing a dynamically changed universal plug and play (UPnP) description. The method includes sensing a change of a service configuration of a device complying with a predetermined standard, updating a description including information about a service based on the change of the service configuration, and advertising that the description is updated. Thus, the service configuration is matched with the description and a control point can correctly control the device whose service configuration is changed.

Abstract: Provided are a method and apparatus for discovering a Universal Plug and Play (UPnP) device by using resource information. The method includes: multicasting a search message including resource request information, which requests a resource to the device, to a network complying with the predetermined standard; receiving at least one response message regarding the search message; and discovering a device corresponding with the resource request information based on the received response message. Accordingly, available information of the resource can be obtained in a discovery process, and as a result, a trial and error during the search and control can be avoided. Also, unnecessary waste of resources, such as network traffic, can be prevented, and thus efficiency of a communication protocol is improved.

Abstract: A digital rights management (DRM) method and apparatus are provided. The DRM method includes transmitting a rights object request message; receiving a rights object response message based on a Universal Plug and Play (UPnP) contents directory service; and acquiring a rights object using the rights object response message. Another DRM method includes receiving a rights object request message; and transmitting a rights object response message based on a Universal Plug and Play (UPnP) contents directory service. The DRM apparatus includes a transmitting unit which transmits a rights object request message to a media server of a DRM domain; a receiving unit which receives a rights object response message based on a Universal Plug and Play (UPnP) contents directory service from the media server; and a playback unit which plays back a contents object on a basis of a rights object acquired using the rights object response message.