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(Informative)

MPAI, the international, unaffiliated, and not-for-profit organisation developing standard for AI-based data coding [1] established in 2020, has developed a range of Technical Specifications and Technical Reports [2] – 18 and 2, respectively – covering a variety of application domains that can benefit from the use of Artificial Intelligence (AI).

Two standards relevant to this document are

  1. Technical Specification: AI Framework (MPAI-AIF) [11] specifying the Controller, the User Agent, the Storage and the Communication of AI applications implemented as Modules composed of AI Modules (AIM). An overview and the full text of the standard are available.
  2. Technical Specification: MPAI Metaverse Model (MPAI-MMM) – Technologies (MMM-TEC) [12]. An overview and the full text of the standard are available.

MMM-TEC assumes that

  1. M-Instances are metaverse instances implemented in conformity with MMM-TEC.
  2. An M-Instance is populated with Processes acting on Items representing “things” in the M-Instance.
  3. User is a Process operating under the responsibility of a human, either
    1. Directly – Human User (H-User), or
    2. Without direct control – Autonomous User (A-User).

MPAI believes that

  1. A-Users able to interact with Users – both A- and H-Users – are attractive components for M-Instances.
  2. A component-based A-User standard can accelerate the development and deployment at scale of A-Users.
  3. MPAI has the necessary capabilities and technologies to start a new activity called Pursuing Goals in metaverse (MPAI-PGM).

The MPAI-PGM project called Autonomous User Architecture (PGM-AUA) specifies a conversational A-User: a Module that perceives the User it converses with and the Space around it, understands the User and the situation, decides what to say, how to express it with its face and body and which Process Actions to propose, renders its response as a Portable Avatar and performs the Process Actions in the M-Instance. The A-User is governed by one of its AIMs, A-User Control, which is its only interface to the M-Instance. PGM-AUA re-uses the considerable set of technologies that MPAI has developed in the contexts of its other standards – AI Framework, Multimodal Conversation, Object and Scene Description, Portable Avatar Format, Human and Machine Communication and the MPAI Metaverse Model – when relevant to PGM-AUA. Other technologies have been developed for PGM-AUA.

In all Chapters and Sections, Terms beginning with a capital letter are defined in Table 1. All MPAI-defined Terms are accessible online. All Chapters are Normative unless they are labelled as Informative.

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