World Encyclopedia of AI/الموسوعة العالمية للذكاء الاصطناعيA sourced reference
Section 05 · Section

Foundation Models and Advanced Agentic Systems

النماذج التأسيسية والأنظمة الوكيلية المتقدمة

This chapter gathers foundation models as a distinct technical phenomenon: their architectures, training, adaptation and modes of release, together with the advanced agentic systems built on them and the reliability and sovereignty questions that follow. It differs from Chapter 4, which treats classical tasks, and from Chapter 8, which covers engineering, operations and adoption.

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الفروع
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5.1Foundation Models and General-Purpose AIDefinitions of foundation models and general-purpose AI systems, their distinguishing traits such as broad generalization and adaptation to many tasks, their taxonomies, their relation to large language models, and the notion of emergent capabilities0
5.2The Transformer and BeyondThe attention mechanism and the Transformer architecture and its variants: tokenizers, positional representations, efficiency improvements, context-window extension, and the designs that followed0
5.3Mamba, State-Space Models, MoE and Emerging ArchitecturesAlternative and emerging architectures that go beyond full attention: state-space models, mixtures of experts, hybrid designs and sparse-computation techniques0
5.4Pre-training and Scaling LawsThe large-scale pre-training stage: massive corpora, self-supervised objectives, scaling laws, the relation of size, data and compute to performance, and distributed training methods0
5.5Fine-tuning, RLHF, DPO and ORPOMethods for adapting a model after pre-training: fine-tuning, learning from human feedback, direct preference optimization and parameter-efficient tuning techniques0
5.6Context Protocols and Tool UseThe protocols and interfaces that give a model context and tools: function calling, protocols connecting models to sources and services, and context management at the standard level0
5.7Multi-Agent OrchestrationThe technical patterns by which multiple agents cooperate: role allocation, planning and delegation, communication channels between agents, coordinator-and-worker structures, and patterns of competition and collaboration0
5.8Open, Open-Weight and Closed ModelsModes of releasing models: open, open-weight and closed, their licences and degrees of transparency about weights, data and code, and the community ecosystems around them0
5.9Natively Multimodal ModelsModels that handle text, image, audio and video within a single architecture from training onward: shared representation across modalities, early fusion, and cross-modal generation0
5.10Hallucination and Structural ReliabilityHallucination as a structural property of generative models: its causes, patterns and the limits of reliability, together with mitigation approaches such as grounding, citation and confidence calibration0
5.11Sovereign and Localized ModelsModels built or adapted for a particular state, language or culture: Arabic and regional models, localization criteria, and ownership of weights and local data0