Method for providing scraping-based service and application for executing the same

A system for providing a scraping-based service comprising:

• a client terminal including a task executor configured to request and receive rule information for scraping and obtain external data by executing tasks within the rule information;
• and
• a remote server including a rule server configured to manage the rule information and transmit the rule information according to the request from the client terminal, a command server configured to execute a command according to a remote procedure call received from the client terminal and return an execution result of the command, and a context server configured to record task result values according to the rule information as log information,
• wherein the rule information includes information defining a type and an execution order of the tasks,
• the tasks are configured in the rule information in error message units for error detection, and some independent tasks are executed in parallel according to a predefined dependency relationship with reference to context data values including task names and variable names at the time of executing the tasks,
• the command is a command included in the task, and includes a local command executable by the client terminal, a remote command executed through the remote server, and a test command periodically executing verification, and
• the remote command has a dynamic form in which it is modifiable through the command server.