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The purpose of this paper is to introduce the advantages of semantics‐aware representation formalisms in the integration of digital rights management (DRM) infrastructures grounded on heterogeneous formats.

After discussing the notion of semantics‐aware IPR and its relationship with Semantic Web‐style metadata, we exemplify the advantages of adopting it by providing two different use cases. XML‐based DRMLs are mapped with a shared ontology‐based representation in such a way that dependencies between elements can be drawn.

Individual formalisms may take advantage of a semantics‐aware infrastructure to check consistency of DRM policies according to dependencies not explicit in the specification language. On the other hand, distinct formalisms can be integrated with each other according to fine‐grained translation mechanisms.

Inference procedures can pre‐process this knowledge base and derive implicit knowledge that can be used by programming logic in the actual enforcement of DRM policies.

This chapter analyzes the compliance of some category of Open Data in Politics with EU General Data Protection Regulation (GDPR) requirements. After clarifying the legal basis of this framework, with specific attention to the processing procedures that conform to the legitimate interests pursued by the data controller, including open data licenses or anonymization techniques, that can result in partial application of the GDPR, but there is no generic guarantee, and, as a consequence, an appropriate process of analysis and management of risks is required.

The purpose of this Guest Editorial is to introduce the papers in this special issue.

A brief summary of the main contributions of the papers included in this issue is provided.

In order to combat the digital information war it was found that important work must be done to establish both users' and content providers' trust through fair e‐commerce/digital rights management (DRM).

The paper provides an overview of the basic requirements of DRM systems.

Distributed systems usually contain objects with heterogeneous security requirements that pose important challenges for the underlying security mechanisms and especially in access control systems. Access control in distributed systems often relies on centralised security administration. Existing solutions for distributed access control do not provide the flexibility and manageability required. This paper presents the XML‐based secure content distribution (XSCD) infrastructure, which is based on the production of protected software objects that convey contents (software or data) and can be distributed without further security measures because they embed the access control enforcement mechanism. It also provides means for integrating privilege management infrastructures (PMIs). Semantic information is used in the dynamic instantiation and semantic validation of policies. XSCD is scalable, facilitates the administration of the access control system, guarantees the secure distribution of the contents, enables semantic integration and interoperability of heterogeneous sources, provides persistent protection and allows actions (such as payment) to be bound to the access to objects.