The Data Observer: The Art of Metadata Management 1/3

Part 1: Establishing the baseline and what is metadata exactly.

Piotr Herstowski
re_data
4 min readFeb 17, 2023

--

Data is the lifeblood of modern organizations, and effectively managing it is critical to success. Metadata management, which involves organizing and maintaining information about data assets, is an important aspect of data management. Data context and information such as meaning, intended use, and lineage can be provided by metadata.

Many organizations, however, struggle with metadata management because it can be complex and time-consuming. Despite these difficulties, effective metadata management can provide significant benefits such as improved data quality, increased data accessibility and use, and improved data governance and compliance.

In this three-part article, we will look at the significance of metadata management and how it affects overall data quality. We will go over the advantages of metadata management, such as better data organization and accessibility, improved data governance and compliance, and improved decision-making through better data understanding. We will also look at the challenges of metadata management, such as a lack of standardization, integration with existing systems, and concerns about data privacy and security. Finally, we will make recommendations for organizations that want to manage their metadata effectively and contribute to overall data quality.

What is metadata and what’s vicious about it?

Source: Midjourney’s interpretation of “vicious metadata”

Metadata is defined as “data about data.” It describes the characteristics of data assets, such as the date created, the author, the format, and the intended use. Metadata is used to describe the context and meaning of data, allowing people to better understand and use it. Without it, determining the purpose and meaning of data can be difficult, leading to misunderstandings and errors in decision making.

A metadata repository, which is a centralized location for storing and managing metadata, is where metadata is stored. The repository can be used to search for and retrieve metadata, as well as manage and update it over time. Organizations can ensure that everyone has access to the most up-to-date and accurate information about their data assets by storing metadata in a centralized repository. However, an intriguing phenomenon exists in the data world, particularly now, with so many data observability tools that have recently emerged.

As more and larger data pipelines become necessary, more solutions to handle them spring up. They generate relevant artifacts that serve as a snapshot of reality, which only adds to the problem of siloed metadata. Traditional storage methods become obsolete and unable to keep up with the pace of business, resulting in inconsistencies and making vital information difficult to access. With multiple new tools producing metadata reports and artifacts, dealing with scattered and unintegrated outputs becomes overwhelming for data and analytics engineers. To deal with spiraling complexity, a centralized repository for metadata artifacts is required, with a focus on improving communication and tool versatility. You can sign up for re_cloud here, and see how we decided to tackle this issue.

Metadata’s basic typology

There are several types of metadata that organizations can manage, including:

  • Descriptive metadata: This type of metadata contains basic information about the data, such as its title, author, creation date, and format.
  • Structural metadata: This type of metadata describes how the data is organized, including its structure, relationships between data elements, and how the data should be displayed.
  • Administrative metadata: This type of metadata contains information about data management, such as who is in charge of it, who has access to it, and how it should be safeguarded.
  • Technical metadata: This type of metadata describes the technology used to create and store the data, such as the software and hardware used, as well as the data format.
  • Business metadata: This type of metadata describes the data’s business context, such as the business rules and processes used to create and manage the data.
Source: Midjourney’s interpretation of “metadata iceberg”

Understanding the different types of metadata and how they are used, is key to effectively managing the metadata iceberg. And that’s the first step to making sure it is properly utilized.

What gives?

The purpose of introducing metadata management tactics is to provide a centralized and organized approach to managing metadata, so that it can be effectively used to improve data quality, increase data accessibility, and ensure just the right data governance. The following are some of the specific benefits of investing time and effort in doing this right:

  • Improved data organization and accessibility: Good metadata management framework helps to organize and categorize data, making it easier to find and access the data that is needed.
  • Enhanced data governance and compliance: It becomes significantly easier to define data standards, manage data lineage, and ensure data privacy and security.
  • Better decision-making through better data understanding: Better understanding of the data, including its context and meaning, can lead to improved decision-making.
  • Improved data quality: Consistency, accuracy, and up-to-dateness, lead to improved data quality and reduce the risk of errors and misunderstandings.
Source: Midjourney’s interpretation of “purpose of metadata management”

Organizations can improve business outcomes by properly managing metadata, which ensures that their data assets are well understood, used effectively, and protected.

Wrap up

Metadata management is a critical aspect of data management, as it helps to ensure the expected quality of data. In the next part of “The Data Observer: The Art of Metadata Management,” we will explore more on the topic of the metadata management process and how it contributes to the overall data quality.

--

--