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The Gold Standard – The Key to Information Extraction and Data Quality Control

Ontotext

This happens through the process of semantic annotation , where documents are tagged with relevant concepts and enriched with metadata , i.e., references that link the content to concepts, described in a knowledge graph. Evaluation is for AI systems what quality assurance (QA) is for software systems.

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A Data Analyst’s Guide to the Data Catalog

Alation

Those algorithms draw on metadata, or data about the data, that the catalog scrapes from source systems, along with behavioral metadata, which the catalog gathers based on human data usage. These profiles include basic statistics about the asset, like the number of rows and columns or the percentage of null values.

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What Is a Data Fabric and How Does a Data Catalog Support It?

Alation

As a reminder, here’s Gartner’s definition of data fabric: “A design concept that serves as an integrated layer (fabric) of data and connecting processes. In this blog, we will focus on the “integrated layer” part of this definition by examining each of the key layers of a comprehensive data fabric in more detail.