The two-volume set IFIP AICT 803 + 804 constitutes the refereed proceedings of the 27th IFIP WG 5.5 SOCOLNET Working Conference on Virtual Enterprises, PRO-VE 2026, held in Padua, Italy, during October 26–28, 2026.

The 69 full papers included in these books were carefully reviewed and selected from 141 submissions. They deal with the major challenges of Collaborative Networks in the area of AI. The papers were organized in topical sections as follows: 
Part I: Research Challenges and Trends; From Collaboration to Cognition; Decision-Making in Human-AI Collaboration: Frameworks; Decision-Making in Human-AI Collaboration: Models; AI as Human Mediator in Hybrid Networks; Evolution Towards Collaborative Ecosystems; Doing Business in Society 5.0 Collaborative Environments; Collaborative Networks in Manufacturing; Collaborative Healthcare Ecosystems; and Explainable AI for Collaborative Healthcare Ecosystems;
Part II: Agentic Skills in Hybrid Collaborative Networks; Collaborative Business Governance; Navigating the Socio-Technical Frontiers of Digital Ecosystems; Resilient Networks in the AI Era; Collaborative Governance of Resilient Ecosystems; Sustainable and Resilient Collaborative Agri-Food Networks; Managing Dynamics in Circular Economy Ecosystems and Manufacturing; Distributed Safety-Critical Systems; and Habrid CNs for Critical and Complex Situations.