KR102444435B1 - A system for selecting Media Things (MThings) for performing a mission by using service descriptions in the Internet of Media Things (IoMT), a method therefor, and a computer-readable recording medium in which a program that performs this method is recorded - Google Patents

Abstract

A system for selecting a media thing is provided. The system selects, as a candidate media thing, a plurality of media things and a media thing having a capability capable of performing a mission among the plurality of media things, collects service descriptions of the selected candidate media things, and and a user device that selects a media thing participating in a mission based on the service description.

Description

A system for selecting a media thing for performing a mission by using a service description in the media IoT, a method for the same, and a computer readable recording medium recording a program for performing the method {A system for selecting Media Things (MThings) for performing a mission by using service descriptions in the Internet of Media Things (IoMT), a method therefor, and a computer-readable recording medium in which a program that performs this method is recorded}

The present invention relates to the Internet of Media Things (IoMT), and more particularly, a system for selecting a media thing for performing a mission in the Media Internet of Things using a service description, a method therefor, and the same It relates to a computer-readable recording medium in which a program for performing a method is recorded.

Recently, industrial and academic circles have high interest in products, systems, and services using the Internet of Things. Therefore, in order to provide valuable services through connection between things, the entire network of things, things (eg, sensors, actuators), users and things, and data exchanged between things (eg, sensor data, control commands), etc. There is a growing need for standards that can be embraced. Currently, although public/private international organizations such as ISO, ITU, IEEE, IETF, oneM2M, and OMA are in the process of standardizing the Internet of Things, most of them are concerned with network protocols that connect things and their unique identifiers. The focus is on standardization.

An important point that should not be overlooked in the standardization of the Internet of Things is that just as the most exchanged data on the existing Internet was media content (video, audio, photos, etc.), the most exchanged data in the Internet of Things environment is also media content. Therefore, it is urgent to consider Internet of Things systems and services from a media-centric perspective and to establish standards for interfaces constituting them.

Publication of Korean Patent Application Laid-Open No. 2016-012436 on October 27, 2016 (Title: Multimedia data and metadata display system and method using Internet of Things-based camera)

An object of the present invention is to provide a system for selecting a media thing for performing a mission based on a service description provided by each of a plurality of media things when a mission is performed using a plurality of media things, for this purpose An object of the present invention is to provide a computer-readable recording medium on which a method and a program for performing the method are recorded.

In order to achieve the above object, a system for selecting a media thing according to a preferred embodiment of the present invention selects, as a candidate media thing, a media thing having a mission capable capability among a plurality of media things, and the and a user device that collects hardware status information and service description of the selected candidate media thing, and selects a media thing participating in a mission based on the hardware status information and service description of the candidate media thing.

The service description includes a function provided by the media thing and price information for each condition for using the corresponding function for each function.

The service description is characterized in that it further includes information on whether access to the output is permitted.

The service description is characterized in that it is expressed in RDF (Resource Description Framework) or a markup language.

The service description includes a resource node indicating a resource, an arrow for classifying the resource node according to an attribute, and a final node indicating an atomic value of the finally classified attribute.

The resource is characterized in that any one of a function, a price condition, an access permission, a condition, and a price.

The user equipment may request a service description from the candidate media thing and receive a service description from the candidate media thing.

The system further comprises a storage for storing the service descriptions of the plurality of media things, and the user equipment retrieves the service descriptions of the candidate media things from the storage.

A media thing according to a preferred embodiment of the present invention for achieving the above object is characterized in that when there is a request for a service description from a user device, the service description is transmitted to the user device.

The service description is characterized in that it includes a function provided by the media thing and price information for each condition for using the corresponding function for each function.

The service description is characterized in that it further includes information on whether access to the output is permitted.

The service description is characterized in that it is expressed in RDF (Resource Description Framework) or a markup language.

The service description is characterized in that it includes a resource node indicating a resource, an arrow for classifying the resource node according to an attribute, and a final node indicating an atomic value of the finally classified attribute.

The resource is characterized in that any one of a function, a price condition, an access permission, a condition, and a price.

A method for selecting a media thing according to a preferred embodiment of the present invention for achieving the above object includes the steps of: receiving a mission input by a user device; selecting a possible candidate media thing; collecting, by the user device, hardware state information and service description of the selected candidate media thing; It includes a step of selecting a media thing to participate in, and a step of connecting the selected media thing and performing a mission.

The service description includes functions provided by the media thing and price information for each condition for using the corresponding function for each function.

The service description includes a function provided by the media thing and price information for each condition for using the corresponding function for each function.

The service description is characterized in that it further includes information on whether access to the output is permitted.

The service description is characterized in that it is expressed in RDF (Resource Description Framework) or a markup language.

The service description includes a resource node indicating a resource, an arrow for classifying the resource node according to an attribute, and a final node indicating an atomic value of the finally classified attribute.

The resource is characterized in that any one of a function, a price condition, an access permission, a condition, and a price.

The collecting of the service description may include, by the user device, requesting a service description from the candidate media thing and receiving the service description from the candidate media thing.

Alternatively, the collecting of the service description may include retrieving, by the user device, the service description of the candidate media thing from a storage storing the service description of the plurality of media things.

According to another aspect of the present invention, there is provided a computer-readable recording medium in which a program for executing the method for selecting a media object according to the preferred embodiment of the present invention as described above is recorded.

In order to achieve the above object, a method for selecting a media thing according to a preferred embodiment of the present invention includes the steps of: discovering, by a user device, a media thing having a capability required for a mission; selecting at least some of the media things as candidate media things; collecting, by a user device, a service description of the selected candidate media thing; and allowing the user device to participate in a mission based on the service description of the candidate media thing. It includes the steps of selecting , and generating and providing mission data to perform the selected media thing mission.

The service description is characterized in that it includes a function provided by the media thing and price information for each condition for using the corresponding function for each function.

The service description is characterized in that it further includes information on whether access to the output is permitted.

The service description is characterized in that it is expressed in RDF (Resource Description Framework) or a markup language.

The service description includes a resource node indicating a resource, an arrow for classifying the resource node according to an attribute, and a final node indicating an atomic value of the finally classified attribute.

The resource is characterized in that any one of a function, a price condition, an access permission, a condition, and a price.

The collecting of the service description may include, by the user device, requesting a service description from the candidate media thing and receiving the service description from the candidate media thing.

The collecting of the service description may include retrieving, by the user device, the service description of the candidate media thing from a storage storing the service description of the plurality of media things.

According to another aspect of the present invention, there is provided a computer-readable recording medium in which a program for executing the method for selecting a media object according to a preferred embodiment of the present invention as described above is recorded.

Through the service description according to the present invention, the user can check the service description of the media thing and know which media thing provides a better service to the user. Accordingly, the user can configure the desired media service according to the purpose.

1 is a diagram for explaining the configuration of a system for selecting a media thing for performing a mission by using a service description in the media IoT.
2 is a graph illustrating a service description of a media thing Mcamera according to an embodiment of the present invention in a standard data format.
3 is a graph illustrating a service description of a media thing Mcamera according to an embodiment of the present invention in a standard data format.
4 is a flowchart illustrating a method for selecting a media thing for performing a mission using a service description in the media IoT according to an embodiment of the present invention.
5 is a flowchart illustrating a method for selecting a media thing for performing a mission using a service description in the media-centric IoT according to another embodiment of the present invention.
6 is a diagram illustrating a computing device according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment in which a person of ordinary skill in the art to which the present invention pertains can easily practice the present invention will be described in detail. However, in the detailed description of the operating principle of the preferred embodiment of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. This is to more clearly convey the essence of the present invention by omitting unnecessary description. In addition, the present invention can make various changes and can have various embodiments, and specific embodiments are illustrated in the drawings and described in detail in the detailed description, which is not intended to limit the present invention to specific embodiments, It should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

In addition, when an element is referred to as being “connected” or “connected” to another element, it means that it is logically or physically connected or can be connected. In other words, it should be understood that a component may be directly connected or connected to another component, but another component may exist in the middle, and may be indirectly connected or connected.

In addition, the terms used herein are used only to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In addition, terms such as "comprises" or "have" described in this specification are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, but one or the It should be understood that the above does not preclude the possibility of addition or existence of other features or numbers, steps, operations, components, parts, or combinations thereof.

Now, an embodiment of the present invention will be described in detail with reference to the drawings. In this case, the same reference numerals are used for parts having similar functions and actions throughout the drawings, and overlapping descriptions thereof will be omitted. In addition, in order to avoid obscuring the concept of the present invention, well-known structures and devices may be omitted or shown in block diagram form focusing on core functions of each structure and device.

First, a system for selecting a media thing for performing a mission using a service description in the media IoT according to an embodiment of the present invention will be described. 1 is a diagram for explaining the configuration of a system for selecting a media thing for performing a mission by using a service description in the media IoT. Referring to FIG. 1 , the mission performance system includes a user device 100 , a media thing 200 , a Media Things: MThings , a management server 300 , and a storage 400 .

The media thing 200 is “Media Things” defined in the MPEG-IoMT (Internet of Media Things: ISO/IEC 23093) standard, and is a device capable of sensing, acquiring, operating, or processing media or metadata of media. The media thing 200 may be connected to the user device 100 and connected to a network through the user device 100 . Alternatively, the media thing 200 alone may be connected to the network.

The user device 100 is a device that exists at the edge of a network, and is a kind of media thing 200 , includes the media thing 200 , is directly connected to the media thing 200 by wire, or is a media thing 200 and may be directly (P2P: Point to Point) wirelessly connected. In addition, the user device 100 may be connected to the media thing 200 through a network in addition to a direct connection. In this case, the user device 100 is connected to the media thing 200 through a commonly known core network device, or the media thing 200 managed by the management server 300 through the management server 300 and can be connected

The management server 300 is a device for managing a plurality of media things 200 through a network connection, and may be a server for providing media-related services through the plurality of media things 200 .

The storage 400 is for storing a large amount of data, and may preferably be implemented as a block chain network 401 . Also, the storage 400 may be implemented as a database server 402 .

The present invention stores hardware state information and service descriptions of a plurality of media things 200 in the storage 400 , in particular, the block chain 401 . Then, the user device 100 selects the media thing 200 having the function capable of performing the mission as the candidate media thing 200 , and hardware state information and service description of the candidate media thing 200 selected from the storage 400 . may be provided, and the media thing 200 participating in the mission may be selected based on the hardware state information and service description of the candidate media thing 200 .

In MPEG-IoMT (ISO/IEC 23093), the service description of the media thing 200 (MThing) means information that the media thing 200 can provide. For example, the user may check the service description of the media thing 200, such as price and usage conditions, and then select the media thing 200 according to reasonable conditions and connect it with the selected media thing 200 . As described above, when a user selects a media thing 200 to participate in a mission, the present invention provides a service description that explains complex conditions of individual media things 200 so that more information can be provided. . Table 1 below is an example of a service description of MCamera among the media things 200 according to an embodiment of the present invention. Here, the service description of MCamera includes information such as permission to access the function, price, and output.

- MCamera
■ Functionalities
◆ getVideoURL
● Price
■ $0.05 per second less than 10 minutes (if x < 10 min)
■ $0.02 per second between 10 and 60 minutes (if 10 min <= x < 60 min)
■ $0.005 per second more than 60 minutes (if x > 60 min)
● Access permission to output (The output is permitted to broadcast)
■ True
◆ getImageURL
● Price
■ $0.01 per image (if x < 10 pieces)
■ $0.004 per image (if x >= 10 pieces)
● Access permission to output (The output is permitted to broadcast)
■ True

As shown in Table 1, the service description basically includes functions (Functionalities) provided by the media thing Mcamera and price information (Price) for each condition for using the corresponding function for each function. Also, additionally, the service description includes information on whether access to the output is permitted. Here, the functions include a getVideoURL function and a getImageURL function. According to “Information technology　- Internet of media things　- Part3: Media data formats and API (ISO/IEC 23093-3), the getVideoURL function provides a function to return the URL of the source video. Also, the getImageURL function provides a function to return the URL of the source image.

According to the pricing policy for the getVideoURL function, you will be charged $0.05 per second for use less than 10 minutes, $0.05 per second for use between 10 and 60 minutes, and $0.005 per second for use over 60 minutes. do.

According to the pricing policy for the getImageURL function, if you have fewer than 10 images, you will be charged $0.01 per image, and if you have more than 10 images, you will be charged $0.004 per image.

Both the getVideoURL function and the getImageURL function are granted access to the output.

Table 2 below is an example of service description of MDisplay among media things 200 according to an embodiment of the present invention. MDisplay can be used for advertising and access to the output is not required.

- MDisplay
■ Functionalities
◆ setVideoURL
● Price
■ $5 per minute if resolution is 1080 x 1920
■ $4 per minute if resolution is 640 x 480
◆ SetDisplayResolution
● Price
■ $0.001 if resolution is 1080 x 1920
■ $0.0004 if resolution is 640 x 480

As shown in Table 2, the service description basically includes functions (Functionalities) provided by the media thing MDisplay and price information (Price) for each condition for using the corresponding function for each function. Here, the functions include a setVideoURL function and a SetDisplayResolution function.

According to “Information technology　- Internet of media things　- Part　3: Media data formats and API (ISO/IEC 23093-3), the setVideoURL function provides a function to receive the URL of the video source transmitted by another media thing 200 do. The SetDisplayResolution function provides the function to set the resolution of the video display.

According to the pricing policy for the setVideoURL function, you will be charged $5 per minute for a resolution of 1080 x 1920 and $4 per minute for a resolution of 640 x 480. According to the pricing policy for the SetDisplayResolution function, you will be charged $0.001 for a resolution of 1080 x 1920, and $0.0004 for a resolution of 640 x 480.

Neither getVideoURL nor getImageURL allow access to the output.

Next, a method of expressing a service description in a standard data format according to an embodiment of the present invention will be described. 2 is a graph illustrating a service description of a media thing Mcamera according to an embodiment of the present invention in a standard data format. 3 is a graph illustrating a service description of a media thing Mcamera according to an embodiment of the present invention in a standard data format.

Referring to Tables 1 and 2 and Tables 2 and 3, a service description may be represented by a Resource Description Framework (RDF). The RDF includes a resource node displayed in a circle, an arrow for classifying resource nodes according to attributes, and a final node displayed in a rectangle. A resource node represents a resource. Here, the resource may be any one of a function, a price condition, an access permission, a condition, and a price. The arrow is for indicating the property of the resource, and the property to be classified is described. In the final node, the atomic value of the attribute indicated by the arrow is described. That is, the final node represents the atomic value of the finally classified attribute.

The service description of MCamera as shown in Table 1 may be expressed in RDF as shown in FIG. 2 . Referring to Table 1 and FIG. 2, it is divided into resource nodes (getVideoURL, getImageURL) representing each of the getVideoURL function and the getImageURL function according to the is functionalities from the uppermost resource node SD001. In addition, resource nodes (getVideoURL, getImageURL) are classified according to a price condition attribute (has price condition) and a usage condition attribute (has Usage condition). In particular, the resource nodes (AP1, AP2) classified according to the usage condition attribute (has Usage condition) indicate access permission information, and again, are classified into an attribute indicating whether to allow the output (has access permission to output), a rectangle Because the value of the final node indicated by is “True”, it can be seen that access to the corresponding output is permitted.

On the other hand, each of the plurality of resource nodes PC1, PC2, PC3, PC4, and PC5 classified according to the has price condition is classified according to the condition attribute (is condition) and the price attribute (is price).

Resource nodes (C1, C2, C3, C4, C5) that are classified according to these condition attributes (is condition) and represent conditions are again divided into condition unit attributes (is Unit) and condition attributes (is less, is or more), , the condition is expressed through the value of the final node.

In addition, the price nodes (P1, P2, P3, P4, P5) that are classified according to the price attribute (is price) and indicate the price are divided into a billing unit attribute (is Unit), a billing amount attribute (is Value), etc., and finally The billing unit and billing amount are indicated through the node.

Each of the plurality of resource nodes (C1, C2, C3, C4, C5) and the plurality of price nodes (P1, P2, P3, P4, P5) correspond to each, and the properties of the resource node and the price node corresponding to each other, and the Through the value of the final node connected to the property, it is possible to provide a billing amount according to the condition. For example, according to the resource node (C1, P1) and its attributes (is Unit, is less, is Unit, is Value) and the final node (minutes, 10, $/sec, 0.05) according to the attribute, less than 10 minutes If you watch, you can see that you are charged $0.05 per second.

In addition, the service description of MDisplay as shown in Table 2 may be expressed in RDF as shown in FIG. 3 . Referring to Table 2 and FIG. 3, the uppermost resource node SD001 is divided into resource nodes (setVideoURL, SetDisplayResolution) representing each of the setVideoURL function and the SetDisplayResolution function according to the is functionalities. In addition, resource nodes (setVideoURL, SetDisplayResolution) are classified according to a price condition attribute (has price condition).

Each of the plurality of resource nodes (PC1, PC2, PC3, PC4) classified according to the price condition attribute (has price condition) is classified according to the condition attribute (is condition) and the price attribute (is price).

The resource nodes (C1, C2, C3, C4) that are classified according to the condition attribute (is condition) and represent the condition are again divided into the condition unit attribute (is Unit) and the condition attribute (is), and the condition is determined through the value of the final node. indicates

In addition, the resource nodes (P1, P2, P3, P4) that are classified according to the price attribute (is price) and indicate the price are divided into the charging unit attribute (is Unit), the charging amount attribute (is Value), etc., and the final node It indicates the billing unit and billing amount.

Each of the plurality of resource nodes (C1, C2, C3, C4) and the plurality of price nodes (P1, P2, P3, P4) correspond to each, and the properties of the resource nodes and price nodes corresponding to each other and the final connected to the properties It is possible to provide a billing unit and a billing amount according to conditions that are distinguished through the value of the node.

As an example, according to the resource node (C1, P1) and its properties (is Unit, is, is Unit, is Value) and the final node (pixel, 1080X1920, $/min, 5) according to the property, the 1080X1920 pixel If you watch the video through the resolution, you will see that you are charged $5 per minute.

Through the graph such as RDF as described above, the user can check the service description of the media thing 200 and know which media thing provides a better service to the user. These RDFs can be uploaded to the block chain, and users can easily find RDFs online through the user device 100 . RDF can be converted to standard data formats such as XML, JSON, and YAML for interoperability.

Each media thing 200 may set different usage fees for functions according to service types. These service descriptions play an important role in the selection of media items necessary for the user to achieve the desired mission. The user can select the optimal media thing by combining the hardware status such as battery life, resolution, lifespan, etc. of the media thing 200 that can participate in the mission, and the service description such as price, service, function, etc.

Next, a method for selecting a media thing according to an embodiment of the present invention will be described. 4 is a flowchart illustrating a method for selecting a media thing for performing a mission using a service description in the media IoT according to an embodiment of the present invention.

Referring to FIG. 4 , the user device 100 may receive a mission input by the user in step S110 . In step S110, the user can explain or input the mission through the graph tool of the GUI, the menu button interface, or natural language.

Then, the user device 100 selects a candidate media thing 200 capable of performing the corresponding mission according to the mission input by the user in step S120 . In this case, according to an embodiment, the user device 100 discovers the media thing 200 having the capability to perform the corresponding mission on the network, and retrieves the found media thing 200 . A candidate media thing 200 may be selected. According to another embodiment, a list having information on the capability of the media thing 300 may be previously stored in the storage 400 . In this case, the user device 100 may search the list of media things 200 stored in the storage 400 and select a candidate media thing 200 having the capability to perform the corresponding mission.

Next, the user device 100 collects hardware state information and service description of the candidate media thing 200 selected for the user to browse in step S130 . According to an embodiment of step S130 , the user device 100 may request a service description from the candidate media thing 200 and receive the service description from the candidate media thing 200 . In this case, the user device 100 may optionally request hardware status information along with the service description from the candidate media thing 200 and receive hardware status information along with the service description from the candidate media thing 200 .

According to another embodiment of step S130 , the storage 400 may store a service description corresponding to the media thing 200 . In this case, the user device 100 may detect the service description corresponding to the candidate media thing 200 from the storage 400 and display the service description for the user to browse. Additionally, the storage 400 may periodically receive hardware state information of the media thing 200 and store it together with the service description of the media thing 200 . In this case, the user device 100 additionally detects hardware status information along with the service description corresponding to the candidate media thing 200 from the storage 400, and the user can view the detected service description and hardware status information. can be indicated to be

The user may view the service description and hardware state information of each of these candidate media things 200 and input to select the desired media thing 200 . Then, in step S140 , the user device 100 selects a media thing participating in the mission based on the service description and hardware state information of the candidate media thing according to the user's input.

Then, the user device 100 connects the media object selected in step S150 and performs a mission.

Next, a method for selecting a media thing according to another embodiment of the present invention will be described. 5 is a flowchart illustrating a method for selecting a media thing for performing a mission using a service description in the media-centric IoT according to another embodiment of the present invention.

Referring to FIG. 5 , a user may receive a capability required for a mission through a GUI provided by the user device 100 . Then, the user device 100 discovers the media thing 200 having the capability required for the mission in step S210, and a capper of the media thing 200 from the media thing 200 found in step S220. Receive blurry and hardware status information.

Accordingly, the user device 100 may display the discovered media thing 200 and the discovered media thing 200 respectively capability and hardware state information in a list so that the user can browse. The user may input to select a candidate media thing 200 to participate in a mission from among the media things 200 found by comparing capability and hardware state information through this list. Accordingly, the user device 100 selects the candidate media thing 200 in step S230.

Next, the user device 100 collects service descriptions from the candidate media things 200 selected in step S240 . In this case, according to an embodiment, the user device 100 may request a service description from the selected candidate media thing 200 and receive the service description from the corresponding candidate media thing 200 . According to another embodiment, the user device 100 may search the storage 400 for a service description of the selected candidate media thing 200 and collect the service description of the corresponding candidate media thing 200 .

After collecting the service descriptions of all the candidate media things 200 , the user device 100 provides the service descriptions of the candidate media things 200 selected for the user to browse. That is, the user device 100 displays the service description of the collected candidate media things 200 so that the user can browse. In this case, the previously received state information of the candidate media thing 200 may also be displayed.

The user may browse the service description and additional status information of each of these candidate media things 200 and input to select the desired media thing 200 . Then, in step S250 , the user device 100 selects the media thing 200 to participate in the mission among the candidate media things 200 based on the service description of the candidate media thing 200 according to the user's input. When selecting the media thing 200 to participate in the mission, additionally, hardware state information may be further considered.

Then, the user device 100 creates a mission in step S260 and provides the created mission to the selected media thing 200 to connect the selected media thing 200 to perform the mission.

In order to implement the above-described embodiment, an API for searching for a media thing 200 having a specific capability or receiving the capability of the media thing 200 discovered by discovering the media thing 200 is can be used. In addition, an API for requesting a service description of the media thing 200 and providing a response to this request and an API for requesting the hardware state of the media thing 200 and providing a response to this request may be used. have.

A service description described in a standardized manner may be designed by the owner of each media thing 200 and stored in the media thing 200 or the storage 400 , in particular, the block chain 401 . When the service description is stored in the blockchain 401, a hash value of the service description is stored, and this hash value is used to retrieve the service description stored in the distributed storage system. The service description is converted into a smart contract and can be used for data exchange between media things 200 or transaction automation for function use.

6 is a diagram illustrating a computing device according to an embodiment of the present invention. The computing device TN100 of FIG. 6 may be a device (eg, a user device, a media thing, a management server, storage, etc.) described herein.

In the embodiment of FIG. 6 , the computing device TN100 may include at least one processor TN110 , a transceiver device TN120 , and a memory TN130 . Also, the computing device TN100 may further include a storage device TN140 , an input interface device TN150 , an output interface device TN160 , and the like. Components included in the computing device TN100 may be connected by a bus TN170 to communicate with each other.

The processor TN110 may execute a program command stored in at least one of the memory TN130 and the storage device TN140. The processor TN110 may mean a central processing unit (CPU), a graphics processing unit (GPU), or a dedicated processor on which methods according to an embodiment of the present invention are performed. The processor TN110 may be configured to implement procedures, functions, and methods described in connection with an embodiment of the present invention. The processor TN110 may control each component of the computing device TN100 .

Each of the memory TN130 and the storage device TN140 may store various information related to the operation of the processor TN110 . Each of the memory TN130 and the storage device TN140 may be configured as at least one of a volatile storage medium and a nonvolatile storage medium. For example, the memory TN130 may include at least one of a read only memory (ROM) and a random access memory (RAM).

The transceiver TN120 may transmit or receive a wired signal or a wireless signal. The transceiver TN120 may be connected to a network to perform communication.

Meanwhile, the method according to an embodiment of the present invention may be provided in the form of a computer-readable medium suitable for storing computer program instructions and data. Such a computer-readable recording medium may include program instructions, data files, data structures, etc. alone or in combination, and includes all types of recording devices in which data readable by a computer system is stored. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks and magnetic tapes, compact disk read only memory (CD-ROM), and optical recording media such as DVD (Digital Video Disk). Stores program instructions such as Magneto-Optical Media, ROM (Read Only Memory), RAM (Random Access Memory), Flash memory, etc. and hardware devices specially configured to perform In addition, the computer-readable recording medium is distributed in a computer system connected through a network, so that the computer-readable code can be stored and executed in a distributed manner. In addition, functional programs, codes, and code segments for implementing the present invention can be easily inferred by programmers in the technical field to which the present invention pertains.

Although the above has been described and illustrated in relation to a preferred embodiment for illustrating the technical idea of the present invention, the present invention is not limited to the configuration and operation as shown and described as such, and without departing from the scope of the technical idea. It will be apparent to those skilled in the art that many changes and modifications to the present invention are possible. Accordingly, all such suitable alterations and modifications and equivalents are to be considered as being within the scope of the present invention.

100: user device
200: media thing
300: management server
400: storage

Claims (32)

A system for selecting a media thing, comprising:
A media thing having the capability to perform a mission among a plurality of media things is selected as a candidate media thing,
a user device for collecting a service description of the selected candidate media thing and selecting a media thing participating in a mission based on the service description of the candidate media thing;
includes,
The service description is
The rules of the service provided by the media thing are explained in a preset format,
The format is
A resource node representing a resource,
Arrows for classifying the resource nodes according to attributes, and
The final node representing the atomic value of the finally classified attribute
includes,
The service description is
It includes the functions provided by the media thing and price information for each condition for using the function for each function,
The service description is
Characterized in that it further includes information on whether access to the output is permitted.
A system for selecting media objects. delete delete According to claim 1,
The service description is
Characterized in that it is expressed in RDF (Resource Description Framework) or markup language
A system for selecting media objects. delete According to claim 1,
the resource is
Characterized in any one of function, price condition, access permission, condition and price
A system for selecting media objects. According to claim 1,
The user device is
requesting a service description from the candidate media thing;
receiving a service description from the candidate media thing
A system for selecting media objects. According to claim 1,
Storage for storing service descriptions of the plurality of media things; further comprising,
The user device is
retrieving the service description of the candidate media thing from the storage
A system for selecting media objects. In the media thing,
If there is a request for service description from the user device,
sending a service description to the user device;
The service description is
The rules of the service provided by the media thing are explained in a preset format,
The format is
A resource node representing a resource,
Arrows for classifying the resource nodes according to attributes, and
The final node representing the atomic value of the finally classified attribute
includes,
The service description is
It includes the functions provided by the media thing and price information for each condition for using the function for each function,
The service description is
Characterized in that it further includes information on whether access to the output is permitted.
media stuff. delete delete 10. The method of claim 9,
The service description is
Characterized in that it is expressed in RDF (Resource Description Framework) or markup language
media stuff. delete 10. The method of claim 9,
the resource is
Characterized in any one of function, price condition, access permission, condition and price
media stuff. A method for selecting a media thing, the method comprising:
receiving, by the user device, a mission;
selecting, by the user device, a candidate media thing capable of performing the input mission from among a plurality of media things;
collecting, by the user device, a service description of the selected candidate media thing;
selecting, by the user device, a media thing participating in a mission based on the service description of the candidate media thing;
connecting the selected media things and performing the mission;
includes,
The service description is
The rules of the service provided by the media thing are explained in a preset format,
The format is
A resource node representing a resource,
Arrows for classifying the resource nodes according to attributes, and
The final node representing the atomic value of the finally classified attribute
includes,
The service description is
It includes the functions provided by the media thing and price information for each condition for using the function for each function,
The service description is
Characterized in that it further includes information on whether access to the output is permitted.
A method for selecting media objects. delete delete 16. The method of claim 15,
The service description is
Characterized in that it is expressed in RDF (Resource Description Framework) or markup language
A method for selecting media objects. delete 16. The method of claim 15,
the resource is
Characterized in any one of function, price condition, access permission, condition and price
A method for selecting media objects. 16. The method of claim 15,
The step of collecting the service description is
wherein the user device requests a service description from the candidate media thing and receives a service description from the candidate media thing
A method for selecting media objects. 16. The method of claim 15,
The step of collecting the service description is
wherein the user device retrieves the service description of the candidate media thing from a storage storing the service description of the plurality of media things.
A method for selecting media objects. A method for selecting a media thing, the method comprising:
discovering, by the user device, a media thing having a capability required for a mission;
selecting, by the user device, candidate media things from at least some of the found media things;
collecting, by the user device, a service description of the selected candidate media thing;
selecting, by the user device, a media thing participating in a mission based on a service description of the candidate media thing;
generating and providing, by the user device, mission data so that the selected media thing performs a mission;
includes,
The service description is
The rules of the service provided by the media thing are explained in a preset format,
The format is
A resource node representing a resource,
Arrows for classifying the resource nodes according to attributes, and
The final node representing the atomic value of the finally classified attribute
includes,
The service description is
It includes the functions provided by the media thing and price information for each condition for using the function for each function,
The service description is
Characterized in that it further includes information on whether access to the output is permitted.
A method for selecting media objects. delete delete 24. The method of claim 23,
The service description is
Characterized in that it is expressed in RDF (Resource Description Framework) or markup language
A method for selecting media objects. delete 24. The method of claim 23,
the resource is
Characterized in any one of function, price condition, access permission, condition and price
A method for selecting media objects. 24. The method of claim 23,
The step of collecting the service description is
wherein the user device requests a service description from the candidate media thing and receives a service description from the candidate media thing
A method for selecting media objects. 24. The method of claim 23,
The step of collecting the service description is
wherein the user device retrieves the service description of the candidate media thing from a storage storing the service description of a plurality of media things.
A method for selecting media objects. 23. A computer-readable recording medium in which a program for executing the method for selecting a media object according to any one of claims 15, 18, and 20 to 22 is recorded. 31. A computer-readable recording medium in which a program for executing the method for selecting a media object according to any one of claims 23, 26, and 28 to 30 is recorded.

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