# DS-V5 This specification version contains further improvements to DS-V4, which include: * Adaptions on `@context` * Addition of a system to include external vocabularies * Addition of advanced value constraints from SHACL * Addition of errors related to new constraints * Adaptions on how to represent the author of a DS * An optional JSON-LD serialization of Verification Reports * Introduction of a Vocabulary File for DS-related specifications The motivation for these changes is the need for features like the use of external vocabularies beside schema.org, the introduction of lists as JSON-LD documents, and the need for further constraints. Although the DS-Vocabulary file (for DS-related specifications) and the list specification were created based on DS-V5, they are explained for the most part in their respective specifications ([List-V1](/lists/list-v1.md) and [DS-Vocab-V1](/ds-vocabulary/ds-vocab-v1.md)). ## Content * [Examples](/domainspecifications/ds-v5/examples.md) * [Grammar](/domainspecifications/ds-v5/grammar.md) * [@context of DS-V5](/domainspecifications/ds-v5/grammar/domainspecification/context.md) * [Terms of DS-V5](/domainspecifications/ds-v5/grammar/domainspecification/termsds.md) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://gitbook.semantify.it/domainspecifications/ds-v5.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.