Abstract: Provided are a system for business process automation and a method thereof. The system according to some embodiments may include a connect manager configured to register and manage application programming interface (API) information for services, a process execution engine configured to execute a target business process comprising a particular service task, which is a task using a particular service provided by a service module, and a connect broker configured to acquire API information for the particular service, registered through the connect manager, during execution of the target business process in response to a request from the process execution engine, and process the particular service task by sending a request for the particular service to the service module using the acquired API information.

Abstract: The present disclosure in some embodiments provides a method and an apparatus for providing a quantum cryptographic key distribution stabilization, which can quickly and efficiently compensate for an error caused by a temperature change, a change in polarization of a transmission path of an optical system included in a quantum cryptographic key distribution system in a cost-effective manner working perfectly with the very conventional quantum cryptographic key distribution system.

Abstract: Methods and apparatuses are provided for providing information at an electronic device. Incoming call entries and outgoing call entries corresponding to phone numbers are displayed. Based on receiving a selection of one of the call entries, a first option is displayed for modifying prestored contact information associated with the phone number corresponding to the call entry, without displaying a second option for adding the phone number to the address book, and call history information is displayed for the phone number, when the phone number is in the address book. The prestored contact information associated with the phone number includes a name for the phone number. The second option is displayed, without displaying the first option, and the call history information for the phone number is displayed, when the phone number is not in the address book.

Abstract: The present disclosure in some embodiments provides a method and an apparatus for providing a quantum cryptographic key distribution stabilization, which can quickly and efficiently compensate for an error caused by a temperature change, a change in polarization of a transmission path of an optical system included in a quantum cryptographic key distribution system in a cost-effective manner working perfectly with the very conventional quantum cryptographic key distribution system.

Abstract: Methods and apparatuses are provided for providing information at an electronic device. Incoming call entries and outgoing call entries corresponding to phone numbers are displayed. Based on receiving a selection of one of the call entries, a first option is displayed for modifying prestored contact information associated with the phone number corresponding to the call entry, without displaying a second option for adding the phone number to the address book, and call history information is displayed for the phone number, when the phone number is in the address book. The prestored contact information associated with the phone number includes a name for the phone number. The second option is displayed, without displaying the first option, and the call history information for the phone number is displayed, when the phone number is not in the address book.

Abstract: Methods and apparatuses are provided for providing information at an electronic device. Call history information for a phone number is displayed on a display of the electronic device. An option is displayed on the display of the electronic device. The option is either a first option for editing information associated with the phone number or a second option for adding the phone number to an address book based on whether the phone number is in the address book.

Abstract: A transmitter for generating and processing quantum signals in regular frame units in a quantum key distribution system, includes: a photon pulse stream generator to generate quantum information in numbered frame units and periodically transmit the quantum information through a quantum channel; a public channel transceiver to communicate with a receiver of the quantum key distribution system through a public channel; a frame synchronization information generator to generate frame synchronization information for frame synchronization of the receiver, and transmit the frame synchronization information through the public channel transceiver to the receiver, in every frame or every several frames; and a signal processor to transmit and receive open information on the every frame or every several frames through the public channel transceiver, and process the quantum information in frame units.

Abstract: Methods and apparatuses are provided for providing information. Phone numbers are stored in an address book in a memory of the terminal. Call history information for a phone number together with a first option for editing of information associated with the phone number are displayed on a display of the terminal, if the phone number is in the address book.

Abstract: Methods and apparatuses are provided for providing information at an electronic device. Call history information for a phone number is displayed on a display of the electronic device. An option is displayed on the display of the electronic device. The option is either a first option for editing information associated with the phone number or a second option for adding the phone number to an address book based on whether the phone number is in the address book.

Abstract: Methods and apparatuses are provided for providing information. Phone numbers are stored in an address book in a memory of the terminal. Call history information for a phone number together with a first option for editing of information associated with the phone number are displayed on a display of the terminal, if the phone number is in the address book.

Abstract: A random number generating includes a light source to emit a luminous flux having light intensity distribution symmetrical about a center axis, and a plurality of single-photon detectors arranged at an equal radial distance from an extending line of the central axis of the light source to generate a bit value of either 0 or 1 according to whether a photon is detected or not.

Abstract: The present disclosure provides a method and an apparatus for removing biasing due to a signal source during random number generation. At least one embodiment includes a method, performed by a random number generation apparatus, for generating a random number having a signal source biasing removed, including: generating a raw bit string by sampling, at a predetermined cycle, a physical signal input from a signal source; and generating the random number by performing block partial sum or sequential partial sum on the generated raw bit string.

Abstract: A transmitting apparatus in a quantum key distribution system, includes: an optical interferometer to receive a single-photon pulse inputted from a light source and to provide two optical paths with a predetermined path difference, the two optical paths used for the single-photon pulse to pass through the optical interferometer; and an optical phase modulator to perform a temporal differential phase modulation of the single-photon pulse which has passed through the optical interferometer, wherein the single-photon pulse, after passing through the optical interferometer, has a probability distribution divided into two separate regions in time domain.

Abstract: Methods and apparatuses are provided for providing information. Phone numbers are stored in an address book in a memory of the terminal. Call history information for a phone number together with a first option for editing of information associated with the phone number are displayed on a display of the terminal, if the phone number is in the address book.

Abstract: Methods and apparatuses are provided for providing information. Phone numbers are stored in an address book in a memory of the portable electronic device. Call history information for a phone number is displayed on a display of the portable electronic device together with a first option for editing of information associated with the phone number if the phone number is in the address book.

Abstract: A transmitter for generating and processing quantum signals in regular frame units in a quantum key distribution system, includes: a photon pulse stream generator to generate quantum information in numbered frame units and periodically transmit the quantum information through a quantum channel; a public channel transceiver to communicate with a receiver of the quantum key distribution system through a public channel; a frame synchronization information generator to generate frame synchronization information for frame synchronization of the receiver, and transmit the frame synchronization information through the public channel transceiver to the receiver, in every frame or every several frames; and a signal processor to transmit and receive open information on the every frame or every several frames through the public channel transceiver, and process the quantum information in frame units.

Abstract: The present disclosure provides a method and an apparatus for removing biasing due to a signal source during random number generation. At least one embodiment includes a method, performed by a random number generation apparatus, for generating a random number having a signal source biasing removed, including: generating a raw bit string by sampling, at a predetermined cycle, a physical signal input from a signal source; and generating the random number by performing block partial sum or sequential partial sum on the generated raw bit string.

Abstract: A transmitting apparatus in a quantum key distribution system, includes: an optical interferometer to receive a single-photon pulse inputted from a light source and to provide two optical paths with a predetermined path difference, the two optical paths used for the single-photon pulse to pass through the optical interferometer; and an optical phase modulator to perform a temporal differential phase modulation of the single-photon pulse which has passed through the optical interferometer, wherein the single-photon pulse, after passing through the optical interferometer, has a probability distribution divided into two separate regions in time domain.

Abstract: Provided are an automatic wavelength recognition apparatus and method. The automatic wavelength recognition apparatus includes: a division unit receiving a single optical signal and dividing the received optical signal into a plurality of optical signals; a plurality of filter units filtering the optical signals and having different and wavelength-dependent pass characteristics; a plurality of detection units detecting the filtered optical signals and measuring intensities of the detected optical signals; at least one comparison unit comparing outputs of any two of the detection units; and a wavelength determination unit receiving an output of the at least one comparison unit and determining a wavelength of the above single optical signal using a pre-stored look-up table.

Abstract: A random number generating includes a light source to emit a luminous flux having light intensity distribution symmetrical about a center axis, and a plurality of single-photon detectors arranged at an equal radial distance from an extending line of the central axis of the light source to generate a bit value of either 0 or 1 according to whether a photon is detected or not.