Terms of Use of Yandex Data Catalog/Яндекс Каталог данных
This is an old version of the document that has expired. The current version is available at: https://yandex.com/legal/cloud_terms_data_catalog/en/.
This document contains specific Terms of Use of Yandex Data Catalog data management service (“the Service”) and is an integral part of Yandex.Cloud Customer Agreement (”Agreement”) and Service Terms set forth at https://yandex.com/legal/cloud_service_terms. Capitalized terms used herein but not defined herein shall have the meanings set forth in Agreement and Linked Documents.
1. Functional Features of the Service
1.1. Yandex provides the Customer with the Service that allows the Customer to collect, analyze, and annotate Metadata from various Sources. A full description of the Service’s functional features is contained in the Service User Instructions posted on the Site.
1.2. Functional Features of the Service:
1.2.1. collection, storage, and systematization of Metadata;
1.2.2. use of generative models for:
- performing search over Metadata;
- automatic description of Metadata;
- automatic creation of Tags and Domains;
The generative-model functionality is provided to the Customer via the Yandex Foundation Models service, the terms of use of which are located at https://yandex.com/legal/cloud_terms_yandex_foundation_models.
The Customer may, at its discretion, disable functionality that uses generative models.
By accepting these Terms, the Customer represents and warrants that it has read and agrees to the terms of use of the Yandex Foundation Models service.
1.2.3. data profiling;
1.2.4. creation of Terms, Domains, and Tags for data labeling;
1.2.5 other functional features of the Service, which Yandex makes available to Customer. Functional features of the Service are described in Documentation on Site.
1.3. No Service Level is provided for the Service.
2. Pricing
2.1. The use of the Service is non chargeable.
3. Definitions
Metadata — system information about data in a database describing their structure, properties, and use (including, without limitation, table names and schemas, field names and types, indexes and constraints, versions, creation/modification timestamps, connection parameters, statistics and query execution plans, operation logs, and access rights), provided that the metadata do not contain the content of the database records themselves.
Data Sources (“Sources”) — a connection through which Metadata are uploaded. This connection stores information about the database or other service from which Metadata are uploaded, as well as authentication data.
Domain — a group of Metadata. Domains enable grouping of Metadata to meet workflow needs (for example, by the Metadata’s belonging to a specific company department or business line). A subdomain may be created for each Domain for more granular grouping of Metadata.
Term — concepts used to label data by their semantic meaning (for example, “revenue”, “expenses”, etc.). For each Term, you may specify its synonym or create a child Term for more granular labeling of Metadata.
Tags — labels used to label data by their types (for example, sensitive data, table characteristics, etc.). The same set of Metadata or an element therein may be assigned several tags, including from different Classifications.
Classifications — a group of Tags used for labeling Metadata.
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Yandex Services AG
Web address: https://yandex.com/legal/cloud_terms_data_catalog/
Date of placement: September 22, 2025
Effective date: September 22, 2025