T/BJITS 11-2021 Active Group standards

T/BJITS 11-2021 The Vessel Navigation Risk Assessment System - Maritime Communications Data Service Specification

Publish Date: 2021-11-30 Implement Date: 2021-12-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/BJITS 11-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: The application of information technology in transportation and trade

Publish Date: 2021-11-30

Implement Date: 2021-12-30

Scope

Scope: This document specifies the requirements for ship-to-shore communication data services of the ship navigation risk assessment system, including data cleaning, data processing, data analysis and display, data exchange, data access methods, and communication security requirements. This document is applicable to ship-to-shore communication data services of the ship navigation risk assessment system. Main technical content: (1) Terms and definitions: In addition to directly referring to the term definitions in GB/Z 20986-2007, GB/T 22239, GB/T 31509-2015, and JT/T 697.1, this document defines two specialized terms, including data tables and ship navigation risks. (2) Data cleaning: This standard specifies the requirements for data cleaning in the ship navigation risk assessment system, including data cleaning steps, principles for handling missing values, filling strategies, and requirements for cleaning results. (3) Data processing: This standard specifies the requirements for data standardization and compliance in the ship navigation risk assessment system, including data standardization processes and requirements, procedures and results for handling outliers, and storage and extraction requirements for processed data. (4) Data analysis and display: This standard specifies the requirements for data analysis and visualization in the ship navigation risk assessment system, including the minimum functionalities required for data analysis modules and system visualization modules. (5) Data exchange: This standard specifies the specific content, exchange formats, exchange frequencies, and exchange methods for data exchange, including the classification and specific content of ship-to-shore exchanged data, field names, field identifiers, data types, data formats, descriptions, and requirements for each category of data; exchange frequencies for static and dynamic data; and offline and online data exchange methods. (6) Data access methods: This standard cla