Research lineage · 2020–2026

MACI: Multi-LLM Agent Collaborative Intelligence

The original multi-LLM agent collaboration framework, pioneered since 2022: from consciousness modeling and Socratic debate to a unified theory of anchoring, and onward into The Path to AGI trilogy. This page traces the lineage and collects the publications.

The nine pillars, 2020–2025

How the framework was built

I Consciousness modeling (CoCoMo) — reflective, multi-perspective reasoning as the epistemic foundation (2020–2022).
II CRIT — critical-reading analysis: claims, warrants, counterarguments, and a scored verdict (2023).
III SocraSynth — structured multi-LLM debate with dynamic modulation of linguistic behavior to mitigate hallucination and bias (2023).
IV BEAM — behavioral emotion analysis: modeling and modulating linguistic behaviors on foundational emotion spectra (2024).
V EVINCE — entropy-governed debate: dual-entropy roles, information-theoretic stopping (2024).
VI DIKE–ERIS — ethical adjudication through deliberative dual-agent governance, culturally aware by design (2024).
VII Adaptive multi-agent planning — think-validate loops against Gödelian self-validation limits and context-window narrowing (2024).
VIII SagaLLM — transactional long-lived planning: persistent context, validation, compensation (2025).
IX UCCT — the Unified Cognitive Consciousness Theory: System-1 and System-2 unified through semantic anchoring (2025).
Temple diagram: a System-2 roof carried by eight pillars over a System-1 pattern repository base
The architecture as a temple: a System-2 roof carried by the pillars, standing on the System-1 pattern repository. From the CS300 lecture, November 2025.

2020–2022 · Consciousness modeling

MACI's origins lie in computational consciousness and multi-perspective reasoning, developed through the Stanford CS372 lecture series and culminating in CoCoMo: consciousness modeled as emerging from automatic, reflective pattern-matching over an unconscious substrate. CoCoMo articulated the transition between pattern recognition and conscious function and seeded the architectural vision that became MACI.

2023 · SocraSynth, CRIT, and the birth of multi-agent reasoning

SocraSynth orchestrates structured debates between LLM agents with distinct stances, in two phases: a generative phase of critique and refinement, and an evaluative phase of scenario testing, counterfactual reasoning, and coherence validation, resting on adversarial integration, a conditional statistics framework, adversarial linguistic calibration, and reflexive evaluation. In parallel, CRIT operationalized the Socratic method for argument inspection: identify claims and evidence, validate reason-to-conclusion links, surface missing counterarguments, weigh source credibility, and emit a justified quality score.

2024 · EVINCE, BEAM, and DIKE–ERIS

EVINCE replaced qualitative tuning with a principled controller: cross entropy, mutual information, and divergence scores modulate the dialogue, dual-entropy optimization balances early diversity against final consensus, and CRIT-based validation guards coherence. BEAM mapped linguistic behaviors onto basic emotion spectra, making tone and intensity controllable levers, and laid the ground for DIKE–ERIS: a deliberative dual-agent design in which DIKE advocates fairness and normative consistency while ERIS challenges assumptions and introduces cultural context, extending MACI from "what is true?" to "what is just?".

2025 · SagaLLM and UCCT

SagaLLM matured MACI into an execution-ready platform: spatial-temporal checkpointing, inter-agent dependency management, and independent critical validation deliver transactional consistency with compensatory rollback for long-lived, high-stakes workflows. UCCT supplied the missing theory: LLMs are pattern repositories, and semantic anchoring shifts behavior from a fixed prior to a task-conditioned posterior, with threshold-governed phase transitions. Critiques that LLMs cannot reach AGI for want of memory, planning, and grounding are answered, not disputed: those capabilities are built above the repository, and the repository's role cannot be diminished.

2025–2026

The pillars became a trilogy

In 2025 the framework was consolidated as Multi-LLM Agent Collaborative Intelligence: The Path to AGI (ACM Books, Volume 1). In 2026, System-2 Reasoning: From Semantic Anchoring to Causal Intelligence (Volume 2) carried the program from anchoring through causal audit and regret-driven learning, and a second generation of components emerged: ERM and RLER (epistemic regret as critique and as reward), Trivium (temporal regret over a causal transaction log), TRACE (typed, versioned reasoning records), Mnemosyne (agentic transaction processing: admission, compensation, durable obligations), TRW (the world model as a materialized view bridging cognitive and physical AI), and the diagnostic line CausalT5K and RAudit. Volume 3, Beyond Intelligence: From Operational AGI to Wisdom, is forthcoming in 2027. Condensed claims are posted as position statements.

Publications

2026

KDD 2026
Longling Geng, Andy Ouyang, Theodore Wu, Daphne Barretto, et al., and Edward Y. Chang
KDD 202640+ citations
Longling Geng, Edward Y. Chang
arXiv Jul 2026
Edward Y. Chang and Emily J. Chang
arXiv Jun 2026
Edward Y. Chang, Longling Geng, and Emily J. Chang

2025

ACM Books 2025Top seller
Edward Y. Chang · December 2025
VLDB 2025ground-breaking70+ citations
Edward Y. Chang and Longling Geng

2023–2024

CSCI 2023
Jocelyn Chang and Edward Chang · December 2023
Abstract

Introduces SocraHealth, using LLM-based agents in structured debates to refine diagnoses and correct historical record inaccuracies from patient data. Case studies with GPT-4 and Bard across two experiments demonstrate logical, hallucination-free debates and a significant advance over traditional diagnostic techniques.

CSCI 2023
with S. Tsao, TrendMicro · December 2023
Abstract

Applies LLMs to a five-stage sales-planning pipeline: market landscape survey, customer profiling, product usage analysis, strategy formulation, and pitch crafting, blending artificial with genuine data for confidentiality while optimizing value-oriented conversion and profitability.

arXiv 2023/24
Edward Y. Chang · September 2023, revised January 2024
Abstract

Introduces the SocraSynth platform: conditional statistics and systematic context enhancement through continuous arguments with adjustable contentiousness; a human moderator and two opposing LLM agents run knowledge generation then Socratic and formal-logic evaluation, concluding with conciliatory synthesis. Case studies across three domains.

CSCI 2023Top 1% read
Edward Y. Chang · December 2023 · 12,000+ reads
Abstract

Investigates GPT-4's shortcomings in reasoning and ethics (hallucination, imitation without understanding, weak fact-checking) and proposes remedies: the CoCoMo framework with Socratic prompt ensembles, demonstration-taught ethical behavior from the Noora chatbot experience, and broader training objectives beyond cross-entropy.

ResearchGate 2023Most read, Aug 2023
August 2023
Abstract

A committee of a human moderator and two GPT-4 agents, ignited by the Adam and Eve narrative, explores myth in ecological interpretation, AI ethics, and the brain-technology nexus, demonstrating foundation models as catalysts for interdisciplinary dialogue beyond individual human scope.

IEEE CCWC 2023100+ citations
Edward Y. Chang · March 2023 · Best presentation, AI track
Abstract

A systematic approach to Socratic prompt templates: definition, elenchus, dialectic, maieutics, generalization, and counterfactual reasoning, mapped to inductive, deductive, and abductive inference, with the observation that conveying goal and intent before a dialogue connects the model to external context and improves performance.

arXiv 2023
February 2023
Abstract

Proposes consciousness modeling, reinforcement learning, and prompt-template formulation to build AI agents prioritizing fairness, beneficence, non-maleficence, empathy, adaptability, transparency, and critical and exploratory thinking: knowledge combined with compassion.

2023
January 2023
Abstract

CRIT streamlines critical reading with structured, recursive prompts: extract conclusions and supporting reasons, scrutinize reason-to-claim arguments, suggest counterarguments, weigh source reliability, and emit an overall quality assessment; applicable to fact-checking foundation-model outputs and to K-12 education.

Elsevier 2023
December 2022 · Chapter 2, Precision Medicine in Liver Diseases, Elsevier 2023
Abstract

Addresses the small-data problem in medical imaging through data augmentation, transfer learning, federated learning, and GANs, proposing knowledge-guided generation that incorporates domain knowledge, with pre-trained language models as a source of high-quality knowledge.

About

About this project

SocraSynth orchestrates a symposium of generative agents, facilitating investigative dialogues to reveal knowledge and insights previously elusive to humans. The concept was introduced by Dr. Edward Y. Chang, Fellow of the ACM and IEEE, Director of Google Research from 2006 to 2012, adjunct professor of Computer Science at Stanford University since 2019, and author of The Path to AGI trilogy (ACM Books). For the current research program, see the research page and the position statements.