Abstract: Provided is a method of managing a data history and a device performing the method. The method of managing the data history includes generating second data based on first data, calculating a second hash value for the second data based on the second data and a first hash value for the first data, and storing the second hash value on a blockchain network to verify the second data, and a history of the first data is verified using the first hash value stored on the blockchain network.

Abstract: Provided is a method of managing a data history and a device performing the method. The method of managing the data history includes generating second data based on first data, calculating a second hash value for the second data based on the second data and a first hash value for the first data, and storing the second hash value on a blockchain network to verify the second data, and a history of the first data is verified using the first hash value stored on the blockchain network.

Abstract: Provided are a system and a method for controlling transaction data access. A system for controlling transaction data access comprising: a transaction management module configured to determine a plurality of security levels for transaction data; a data encryption module configured to perform multiple level encrypting the transaction data according to the plurality of security levels; and a data storage module configured to store the encrypted data as a block, and provide the block to a peer-to-peer (P2P) network.

Abstract: Disclosed are a provenance information-based bigdata analysis supporting method, and an apparatus performing the bigdata analysis supporting method. The bigdata analysis supporting method includes receiving a request to provide a bigdata analysis method from a bigdata analysis apparatus, reconfiguring a workflow selected from a plurality of workflows corresponding to the bigdata analysis method to be supported by the bigdata analysis apparatus based on analysis resource information of the bigdata analysis apparatus, and transmitting the reconfigured workflow to the bigdata analysis apparatus.

Abstract: Provided are a system and a method for controlling transaction data access. A system for controlling transaction data access comprising: a transaction management module configured to determine a plurality of security levels for transaction data; a data encryption module configured to perform multiple level encrypting the transaction data according to the plurality of security levels; and a data storage module configured to store the encrypted data as a block, and provide the block to a peer-to-peer (P2P) network.

Abstract: Provided are a method and an apparatus for optimizing cloud storage services. A method of optimizing cloud storage services includes registering a plurality of cloud storage services; acquiring information associated with the plurality of cloud storage services; performing optimization based on the acquired information; and generating a virtual storage that combines the plurality of cloud storage services through the optimization.

Abstract: Disclosed are a provenance information-based bigdata analysis supporting method, and an apparatus performing the bigdata analysis supporting method. The bigdata analysis supporting method includes receiving a request to provide a bigdata analysis method from a bigdata analysis apparatus, reconfiguring a workflow selected from a plurality of workflows corresponding to the bigdata analysis method to be supported by the bigdata analysis apparatus based on analysis resource information of the bigdata analysis apparatus, and transmitting the reconfigured workflow to the bigdata analysis apparatus.

Abstract: Provided are a method and an apparatus for optimizing cloud storage services. A method of optimizing cloud storage services includes registering a plurality of cloud storage services; acquiring information associated with the plurality of cloud storage services; performing optimization based on the acquired information; and generating a virtual storage that combines the plurality of cloud storage services through the optimization.

Abstract: An apparatus and method for controlling the execution of mashup WoT service are disclosed herein. The apparatus includes a WoT mashup service functionality entity, a WoT service execution functional entity, and a WoT service repository. The WoT mashup service functionality entity makes a response to a mashup WoT service request from a WoT service user by executing a mashup WoT service optimized for the WoT service user. The WoT service execution functional entity returns the results of simple WoT services to the WoT mashup service functionality entity in response to a request for the execution of the simple WoT services for the execution of the mashup WoT service from the WoT mashup service functionality entity. The WoT service repository stores WoT service execution descriptions each descriptive of execution logic for each of the simple WoT services.

Abstract: Provided is a cloud service agent based on a Service Level Agreement (SLA). The cloud service agent includes: a cloud service user manager configured to manage information on cloud service users; a cloud service manager configured to register cloud services provided by cloud service providers, and to generate and manage virtual cloud services based on the registered cloud services; a cloud service SLA broker configured to manage a matrix of an Service Level Agreement (SLA) of the cloud services, to measure a quality of the cloud services, and to provide information on the SLA or on the measured quality; and a cloud service executor configured to execute the virtual cloud services generated by the cloud service manager and to provide a result of the execution to the cloud service users.

Abstract: Disclosed herein are a push notification-based remote control method and an apparatus for the remote control method. A push notification client includes a message receiving module for receiving a push notification message from a push notification server. A rule interpretation module determines whether a remote control rule is present in the push notification message. A rule registration management module is configured to, if it is determined that the remote control rule is present in the push notification message, register the remote control rule in a rule execution list. A rule execution module executes the remote control rule.

Abstract: A big data distribution brokerage system using data verification performing sales registration of big data, verification of the big data, generation of a sales list of the big data, and a payment processing so as to safely transact the big data when transacting large amounts of big data, and a method thereof are provided. The system includes a big data sales request registration unit, a big data verification unit, a big data sales list management unit, and a big data transaction management unit, and the system and method perform a series of operations using a big data distribution brokerage service in order to activate transaction of big data, do not separately store the big data possessed by a big data seller in the outside, and perform actual transaction of the big data between the seller and a purchaser.

Abstract: Provided is a cloud service agent based on a Service Level Agreement (SLA). The cloud service agent includes: a cloud service user manager configured to manage information on cloud service users; a cloud service manager configured to register cloud services provided by cloud service providers, and to generate and manage virtual cloud services based on the registered cloud services; a cloud service SLA broker configured to manage a matrix of an Service Level Agreement (SLA) of the cloud services, to measure a quality of the cloud services, and to provide information on the SLA or on the measured quality; and a cloud service executor configured to execute the virtual cloud services generated by the cloud service manager and to provide a result of the execution to the cloud service users.

Abstract: An apparatus and method for controlling the execution of mashup WoT service are disclosed herein. The apparatus includes a WoT mashup service functionality entity, a WoT service execution functional entity, and a WoT service repository. The WoT mashup service functionality entity makes a response to a mashup WoT service request from a WoT service user by executing a mashup WoT service optimized for the WoT service user. The WoT service execution functional entity returns the results of simple WoT services to the WoT mashup service functionality entity in response to a request for the execution of the simple WoT services for the execution of the mashup WoT service from the WoT mashup service functionality entity. The WoT service repository stores WoT service execution descriptions each descriptive of execution logic for each of the simple WoT services.

Abstract: Mobile devices, each having multiple communication interfaces, and a cooperative communication method thereof.

Abstract: Disclosed herein are a push notification-based remote control method and an apparatus for the remote control method. A push notification client includes a message receiving module for receiving a push notification message from a push notification server. A rule interpretation module determines whether a remote control rule is present in the push notification message. A rule registration management module is configured to, if it is determined that the remote control rule is present in the push notification message, register the remote control rule in a rule execution list. A rule execution module executes the remote control rule.

Abstract: Provided are an apparatus for mobile cloud cooperation and a system including the apparatus. The system may include a mobile device resource (MDR) user which intends to use a mobile device resource of a different mobile device; a plurality of MDR providers each of which provides one or more owned MDRs; and an MDR coordinator configured to register and manage MDRs provided by the plurality of MDR providers. In response to receiving from the MDR user a request for use of a particular MDR, the MDR coordinator allows a requested MDR among the registered MDRs to be provided to the MDR user.

Abstract: An apparatus and method for providing big data information based on a subscriber's behavior.

Abstract: Provided is a method of reusing a mobile device resource in a mobile cloud. According to an embodiment, the method may be a method for using a mobile device resource of a mobile device resource provider in the mobile cloud, the method including requesting use of at least one of the mobile device resources from the mobile device resource provider, wherein the mobile device resource includes content stored by the mobile device resource provider, a function provided to the mobile device resource provider, and an application installed to the mobile device resource provider; and receiving the requested mobile device resource of the mobile device resource provider, wherein, when use of the content is requested, the requested content may be received through download or streaming, and, when use of the function or the application is requested, a result of executing the function or the application may be received.

Abstract: A system and method for providing a device profile using a device identifier are disclosed. The system for providing a device profile using a device identifier includes: a mobile terminal that provides a device identifier having information regarding a hierarchical structure of a server and a model name; a plurality of servers that analyze the device identifier to recognize the lowermost server when the device identifier is queried, acquire a device profile corresponding to the device identifier through the lowermost server, and provide the acquired device profile; and an application server that connects to one of the plurality of servers, queries the device identifier, and is provided with a device profile corresponding to the device identifier. Device description of various mobile terminals can be more effectively managed and used in a mobile environment.