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Within the Polyglot framework, a each tool is alternatively known as a converter to emphasize on the data format conversion capabilities. A converter resides within a software server which hosts the third party software/library with convert functionality. The software server is the component that automates the use of conversion capabilities of any piece of code through the converterits data format conversion capabilities. A converter is a wrapper script, written in any scripting languages language, such as bash, R, Python, on any existing piece of code to leverage its convert capability. . A converter resides within a software server, which also hosts third-party software or libraries which provide the actual format conversion. The software server orchestrates the operation of the converter tool which runs the third-party software.
Similarly, a tool is known as extractor within Clowder framework to emphasize on the extraction of metadata from data content. An extractor is a program that extracts metadata within the file content, analyzes the file’s contents and tags it according to some specific classification or criteria, etc. It resides in distributed environment such as cloud, as extraction service and listens to a message queue for extraction requests from DTS API. The extraction process is triggered based on specific file types and the metadata extracted are made available through the DTS API.
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