Link Brain

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Eun Kyu PARK
Project Owner

Link Brain

Expert Rating

n/a

Overview

We propose a neural-symbolic AI agent integrating LinkBrain platform with SynaLink framework for experiential learning and higher-order reasoning. LinkBrain is documents and knowledge graphs managing AI service. Adding SynaLink's neuro-symbolic capabilities and in-context reinforcement learning, we embed symbolic knowledge into neural networks for enhanced reasoning without weight modification. This bridges data-driven and symbolic reasoning, transforming unstructured information into actionable knowledge graphs supporting human interpretation and AI operations, meeting RFP requirements for explainable AI systems learning from small data using symbolic knowledge.

RFP Guidelines

Neural-symbolic DNN architectures

Complete & Awarded
  • Type SingularityNET RFP
  • Total RFP Funding $160,000 USD
  • Proposals 17
  • Awarded Projects 1
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SingularityNET
Apr. 14, 2025

This RFP invites proposals to explore and demonstrate the use of neural-symbolic deep neural networks (DNNs), such as PyNeuraLogic and Kolmogorov Arnold Networks (KANs), for experiential learning and/or higher-order reasoning. The goal is to investigate how these architectures can embed logic rules derived from experiential systems like AIRIS or user-supplied higher-order logic, and apply them to improve reasoning in graph neural networks (GNNs), LLMs, or other DNNs. Bids are expected to range from $40,000 - $100,000.

Proposal Description

Our Team

FutureWorkLab, founded in November 2023, develops enterprise-focused AI agent solutions, notably the LinkBrain product. With a lean and skilled team of nine members—primarily developers—the company focuses on delivering advanced AI technologies tailored to business needs.

Company Name (if applicable)

Future Work Lab Co.,Ltd.

Project details

Problem Statement and Innovation Approach

The current landscape of AI systems faces a critical challenge: the gap between data-driven neural approaches and symbolic reasoning systems. While large language models excel at pattern recognition, they struggle with logical consistency, explainability, and learning from limited data. Conversely, symbolic systems provide transparency but lack the flexibility to handle unstructured, real-world data. This RFP seeks solutions that bridge this divide through neural-symbolic architectures capable of experiential learning and higher-order reasoning.

Our proposed solution uniquely addresses this challenge by combining our mature LinkBrain knowledge graph platform with the cutting-edge SynaLink framework. LinkBrain has already proven its capability to transform heterogeneous user data into structured knowledge representations, while SynaLink provides the neural-symbolic infrastructure needed for advanced reasoning without traditional weight-based learning.

LinkBrain: Foundation for Knowledge Extraction and Structuring

LinkBrain represents a sophisticated knowledge management system that automatically processes diverse user inputs including web links, text documents, and multimedia files. The system performs several critical functions that align directly with the RFP's requirements:

Intelligent Document Processing: LinkBrain employs advanced LLM-based analysis to summarize documents and perform multi-level classification across domain hierarchies (major-medium-minor categories). This automated categorization creates the foundational symbolic structure needed for higher-order reasoning tasks.

Document Type Classification: The system categorizes documents by format and content type, enabling specialized processing pipelines for different information structures. This capability is crucial for handling the diverse data types that neural-symbolic systems must process.

Keyword Extraction and Metadata Generation: LinkBrain extracts semantic keywords and generates comprehensive metadata, creating the symbolic annotations that serve as the basis for logic rule formation in neural-symbolic architectures.

Relationship Mapping: The system identifies and creates connections between documents based on content similarity, topic overlap, and semantic relationships. These connections form the graph structure that enables complex reasoning across multiple information sources.

Knowledge Extraction and Graph Formation: LinkBrain extracts factual knowledge from document content and creates semantic relationships between knowledge entities, resulting in a comprehensive knowledge graph that serves as the symbolic foundation for reasoning tasks.

LangGraph Integration: The entire processing pipeline is orchestrated using the LangGraph framework, providing robust workflow management and enabling complex, multi-step processing chains that can be easily modified and extended.

SynaLink Integration: Enabling Neural-Symbolic Reasoning

SynaLink's integration into our solution addresses the core neural-symbolic requirements outlined in the RFP. As an adaptation of Keras 3 focused on neuro-symbolic systems, SynaLink provides several critical capabilities:

Progressive Complexity Management: SynaLink's principle of progressive disclosure of complexity aligns perfectly with the RFP's need for systems that can handle both simple experiential learning and complex higher-order reasoning tasks. Simple knowledge graph queries can be processed through straightforward pathways, while complex multi-hop reasoning can leverage SynaLink's advanced capabilities.

In-Context Reinforcement Learning: This key feature enables our system to improve predictions and accuracy without modifying model weights, directly addressing the RFP's emphasis on learning from small data. The knowledge graph provides the symbolic context that guides this learning process.

Neuro-Symbolic Architecture Support: SynaLink facilitates the embedding of symbolic rules derived from LinkBrain's knowledge graphs into neural network architectures, specifically addressing the RFP's requirements for logic rule embedding in GNNs and LLMs.

Technical Architecture and Implementation

Our proposed system architecture creates a seamless flow from unstructured user data to actionable neural-symbolic reasoning:

Data Ingestion Layer: LinkBrain's existing capabilities handle diverse input formats, automatically routing different document types through appropriate processing pipelines. This layer ensures robust handling of real-world data complexity.

Symbolic Processing Layer: The knowledge graph generation process creates structured symbolic representations that serve as the foundation for rule formation. These symbolic structures are compatible with both PyNeuraLogic and KAN architectures mentioned in the RFP.

Neural-Symbolic Integration Layer: SynaLink serves as the bridge between symbolic knowledge and neural processing, enabling the embedding of graph-derived rules into neural architectures without traditional weight updates.

Reasoning and Query Layer: The integrated system supports both direct knowledge graph queries and complex neural-symbolic reasoning tasks, providing flexibility for different use cases.

Agent Orchestration Layer: LangGraph manages the coordination between different system components and enables the deployment of specialized AI agents for specific reasoning tasks.

Addressing RFP Requirements

Experiential Learning: Our system supports experiential learning through continuous knowledge graph updates as new documents are processed. The symbolic relationships captured in the knowledge graph serve as experiential rules that can be embedded into neural architectures via SynaLink.

Higher-Order Reasoning: Complex reasoning tasks are supported through multi-hop knowledge graph traversals combined with SynaLink's neuro-symbolic capabilities. The system can handle abstract concepts and hierarchical reasoning by leveraging the structured relationships in the knowledge graph.

Small Data Learning: SynaLink's in-context learning capabilities, combined with the rich symbolic context provided by the knowledge graph, enable effective learning from limited examples, directly addressing the RFP's emphasis on small data scenarios.

Explainability and Interpretability: The knowledge graph structure provides natural explainability, as reasoning paths can be traced through symbolic relationships. This transparency is enhanced by SynaLink's ability to maintain symbolic reasoning chains even within neural architectures.

Domain Adaptability: LinkBrain's automated classification and relationship detection enable the system to adapt to new domains without manual reconfiguration, supporting the RFP's requirement for systems that can handle diverse application areas.

Proof of Concept Design

Our POC will demonstrate the integration of LinkBrain and SynaLink through a concrete application in the medical domain, specifically focusing on medical ontology reasoning as mentioned in the RFP requirements:

Medical Literature Processing: We will process a corpus of medical research papers, clinical guidelines, and patient case studies through LinkBrain, creating a comprehensive medical knowledge graph.

Symbolic Rule Extraction: From the knowledge graph, we will extract logical rules related to disease diagnosis, treatment protocols, and drug interactions.

Neural-Symbolic Embedding: Using SynaLink, these symbolic rules will be embedded into neural architectures (specifically GNNs for handling the graph structure) without traditional weight training.

Reasoning Demonstration: The system will demonstrate its ability to perform complex medical reasoning tasks, such as differential diagnosis and treatment recommendation, by combining symbolic knowledge with neural pattern recognition.

Comparative Analysis: We will compare the performance of our integrated approach against traditional neural approaches and purely symbolic systems, demonstrating the advantages of the neural-symbolic integration.

Innovation and Competitive Advantage

Our approach offers several unique advantages:

Mature Foundation: LinkBrain provides a proven platform for knowledge extraction and structuring, reducing development risk and ensuring reliable performance.

Framework Synergy: The combination of LangGraph for orchestration and SynaLink for neural-symbolic integration creates a powerful, flexible architecture that can adapt to various use cases.

Real-World Applicability: Unlike purely academic approaches, our system is designed to handle the messiness and diversity of real-world user data.

Scalability: The modular architecture ensures that the system can scale from simple applications to complex enterprise deployments.

Research Impact: The integration of established knowledge graph techniques with cutting-edge neural-symbolic frameworks positions this work at the forefront of AI research.

Expected Outcomes and Impact

This project will produce several significant outcomes:

Technical Deliverables: A fully functional neural-symbolic AI system that demonstrates effective integration of knowledge graphs with neural architectures, comprehensive documentation, and reusable code frameworks.

Research Contributions: Novel insights into the integration of knowledge graphs with neural-symbolic architectures, comparative analysis of different approaches, and best practices for real-world deployment.

Practical Applications: A deployable system that can be adapted for various domains, from medical reasoning to scientific research and business intelligence.

Community Impact: Open-source contributions that advance the state of neural-symbolic AI research and provide tools for other researchers and practitioners.

Our team brings extensive experience in knowledge graph construction, neural-symbolic AI, and production AI systems, ensuring successful project execution and meaningful contributions to the field.

Links and references

https://www.linkbrain.kr - LinkBrain MVP Website

https://www.futureworklab.co.kr - FutureWorkLab Company Website

Our CEO github & linkedin
https://github.com/eunkyui 
https://www.linkedin.com/in/ek-park-dev/

Our Tech Lead github
https://github.com/wkpark 

Additional videos

Prof. Youngsook Park is our business partner. She suggest this program to us.

Proposal Video

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Check back later during the Feedback & Selection period for the RFP that is proposal is applied to.

  • Total Milestones

    5

  • Total Budget

    $100,000 USD

  • Last Updated

    28 May 2025

Milestone 1 - Research Planning and System Architecture Design

Description

This initial milestone establishes the comprehensive research framework and technical architecture for integrating LinkBrain with SynaLink. We will conduct an extensive literature review of current neural-symbolic approaches focusing on PyNeuraLogic KAN architectures and related frameworks. The team will analyze the specific requirements for embedding symbolic knowledge derived from knowledge graphs into neural networks and design the overall system architecture. This phase includes defining the data flow between LinkBrain's knowledge graph generation capabilities and SynaLink's neural-symbolic processing framework. We will also establish the experimental methodology for evaluating the system's performance in both experiential learning and higher-order reasoning tasks. The research plan will detail how symbolic rules extracted from user documents will be formalized and embedded into neural architectures addressing both technical implementation challenges and evaluation metrics.

Deliverables

The primary deliverable is a comprehensive research plan document (50-75 pages) that outlines the theoretical foundation technical approach and implementation strategy. This includes detailed system architecture diagrams showing the integration points between LinkBrain and SynaLink a complete literature review covering relevant neural-symbolic approaches and a formal specification of how symbolic knowledge will be embedded into neural networks. Additionally we will deliver an agile project breakdown with detailed task assignments timeline and resource allocation. The framework design document will specify the technical interfaces between components data formats and processing pipelines. We will also provide a preliminary evaluation framework that defines metrics for measuring system performance in experiential learning and higher-order reasoning tasks. All documentation will be formatted for easy reference and will include implementation guidelines for subsequent phases.

Budget

$20,000 USD

Success Criterion

Success is measured by the completeness and technical rigor of the research plan, demonstrated through peer review by domain experts and alignment with RFP objectives. The system architecture must clearly show how LinkBrain's knowledge graph capabilities integrate with SynaLink's neural-symbolic framework to address both experiential learning and higher-order reasoning requirements. The literature review must comprehensively cover current approaches and identify specific gaps that our solution addresses. The agile breakdown must provide realistic timelines and clearly defined deliverables for each subsequent milestone. The evaluation framework must include quantitative metrics for measuring symbolic rule embedding effectiveness, reasoning accuracy, and system explainability. All technical specifications must be detailed enough to guide implementation without ambiguity. The deliverables must receive approval from the project stakeholders and demonstrate clear progress toward the RFP goals.

Milestone 2 - Core System Development and Initial Integration

Description

This milestone focuses on developing the core integration between LinkBrain and SynaLink implementing the foundational components for neural-symbolic processing. We will enhance LinkBrain's knowledge graph generation capabilities to produce symbolic structures compatible with SynaLink's neural-symbolic framework. This involves implementing new modules for extracting logical rules from knowledge graphs and formalizing them in formats suitable for neural embedding. The SynaLink integration will be developed to handle these symbolic inputs and embed them into selected neural architectures (focusing on GNNs for graph processing and exploring KAN implementations). We will implement the basic pipeline that takes user documents through LinkBrain's processing extracts symbolic knowledge and embeds this knowledge into neural networks via SynaLink. This phase includes developing the necessary data transformations API integrations and processing workflows. Initial testing will focus on simple use cases to validate the integration architecture and ensure proper data flow between components.

Deliverables

The main deliverable is a functional prototype system demonstrating basic LinkBrain-SynaLink integration with documented source code API specifications and deployment instructions. This includes enhanced LinkBrain modules with new symbolic rule extraction capabilities SynaLink integration components that handle knowledge graph inputs and basic neural-symbolic embedding functionality. We will provide comprehensive code documentation unit tests and integration tests covering all new components. The system will include a simple user interface for document input and basic querying capabilities. Initial performance benchmarks will be documented showing baseline metrics for knowledge extraction accuracy rule formalization success rates and basic reasoning capabilities. We will also deliver a technical report documenting the integration approach challenges encountered and solutions implemented. All code will be version-controlled and include clear setup and deployment instructions for replication.

Budget

$20,000 USD

Success Criterion

Success is demonstrated by a working system that successfully processes user documents through LinkBrain, extracts symbolic knowledge, and embeds this knowledge into neural networks via SynaLink. The system must handle at least three different document types (text files, web pages, PDFs) and successfully generate knowledge graphs with extractable symbolic rules. The SynaLink integration must successfully embed these rules into at least one neural architecture (preferably GNNs) and demonstrate basic reasoning capabilities. Performance benchmarks must show acceptable accuracy rates (>80%) for knowledge extraction and rule formalization. The system must pass all unit and integration tests, and the codebase must meet established quality standards for maintainability and documentation. User interface functionality must be demonstrated through successful document processing workflows. The technical integration must be stable enough to support the advanced development planned for subsequent milestones.

Milestone 3 - Advanced Neural-Symbolic Implementation and PoC

Description

This milestone focuses on implementing advanced neural-symbolic capabilities and developing a comprehensive proof-of-concept application. We will extend the system to support more sophisticated symbolic rule embedding techniques implementing both PyNeuraLogic-style logic programming integration and exploring KAN architecture implementations for specific use cases. The POC will be developed in the medical domain focusing on processing medical literature clinical guidelines and case studies to create a comprehensive medical knowledge graph. Advanced reasoning capabilities will be implemented including multi-hop reasoning across knowledge graphs complex query processing and decision support functionalities. We will implement explainability features that allow users to trace reasoning paths through both symbolic and neural components. The system will be enhanced to support experiential learning through continuous knowledge graph updates and rule refinement based on new document inputs. Performance optimization will be conducted to ensure the system can handle realistic data volumes and query complexities.

Deliverables

The primary deliverable is a fully functional proof-of-concept system demonstrated in the medical domain complete with a medical knowledge graph containing at least 10000 entities and 50000 relationships derived from processed medical literature. The system will include advanced querying capabilities multi-hop reasoning functionality and clear explainability features. We will provide a comprehensive demonstration showing the system processing medical documents extracting clinical knowledge and performing complex reasoning tasks such as differential diagnosis support and treatment recommendation. Technical documentation will cover all advanced features performance optimization techniques and scalability considerations. A detailed evaluation report will compare the system's performance against baseline approaches and demonstrate improvements in reasoning accuracy explainability and efficiency. The medical POC will include a user-friendly interface for healthcare professionals and comprehensive examples of complex reasoning scenarios.

Budget

$25,000 USD

Success Criterion

Success is measured by the system's ability to perform complex medical reasoning tasks with high accuracy (>85% on standard medical reasoning benchmarks) while maintaining full explainability of reasoning paths. The medical knowledge graph must demonstrate comprehensive coverage of the processed literature with accurate entity extraction and relationship identification. The system must successfully handle complex queries requiring multi-hop reasoning across different medical concepts. Explainability features must provide clear, traceable reasoning paths that medical professionals can understand and validate. Performance benchmarks must show the system can process new medical documents and update the knowledge graph efficiently. The POC must demonstrate clear advantages over traditional approaches in terms of reasoning accuracy, explainability, and ability to learn from limited data. User feedback from medical domain experts must validate the practical utility and accuracy of the system's reasoning capabilities.

Milestone 4 - Comparative Analysis and System Optimization

Description

This milestone conducts comprehensive comparative analysis of our neural-symbolic approach against established baselines and implements system-wide optimizations based on performance insights. We will systematically compare our LinkBrain-SynaLink integration against purely neural approaches (standard LLMs) purely symbolic systems (traditional knowledge graph reasoning) and other neural-symbolic frameworks where applicable. The analysis will cover multiple dimensions including accuracy explainability learning efficiency from small data and computational performance. We will implement advanced optimization techniques for both the knowledge graph processing pipeline and the neural-symbolic reasoning components. This includes developing efficient graph embedding techniques optimizing SynaLink's in-context learning capabilities and implementing caching and indexing strategies for large-scale knowledge graphs. The system will be tested across multiple domains beyond the medical POC to demonstrate generalizability. Advanced features such as real-time knowledge graph updates distributed processing capabilities and API integrations will be implemented to support production deployment scenarios.

Deliverables

The main deliverable is a comprehensive comparative analysis report (75-100 pages) documenting detailed performance comparisons across multiple neural-symbolic approaches and baseline systems. This includes quantitative metrics for accuracy efficiency explainability and scalability along with qualitative analysis of system capabilities and limitations. We will deliver an optimized system implementation with significant performance improvements in processing speed memory usage and reasoning accuracy. The system will include advanced features such as real-time updates distributed processing support and comprehensive API documentation. Benchmark datasets and evaluation scripts will be provided for reproducible performance testing. We will also deliver domain adaptation guides showing how to configure the system for different application areas along with case studies demonstrating successful deployment in at least three distinct domains. All optimizations will be documented with before/after performance comparisons and implementation guidelines.

Budget

$20,000 USD

Success Criterion

Success is demonstrated by comprehensive performance improvements across all measured dimensions, with at least 25% improvement in processing speed and 15% improvement in reasoning accuracy compared to baseline measurements from Milestone 2. The comparative analysis must show clear advantages of our approach over traditional methods in at least three key areas: explainability, small data learning, and reasoning accuracy. The system must successfully demonstrate adaptability to new domains with minimal reconfiguration, processing domain-specific documents and generating useful knowledge graphs within 24 hours of initial setup. Performance benchmarks must show the system can scale to handle enterprise-level data volumes (100,000+ documents, 1M+ knowledge graph entities). The optimization implementations must maintain system stability while delivering measurable performance improvements. Domain adaptation must be validated through successful deployment in multiple test environments with positive user feedback from domain experts.

Milestone 5 - Final Integration Documentation and Deployment

Description

This final milestone completes the system integration prepares comprehensive documentation and delivers a production-ready deployment package. We will conduct final system integration testing ensuring all components work seamlessly together and meet the performance and reliability standards established in earlier milestones. Comprehensive user documentation will be developed including installation guides user manuals API documentation and best practices guides for different deployment scenarios. We will implement monitoring and logging capabilities to support production deployment and maintenance. The system will be packaged for multiple deployment options including cloud deployment on-premises installation and development environment setup. We will conduct final validation testing with external users and domain experts to ensure the system meets practical requirements. This milestone also includes preparing final research reports academic publications and open-source release materials. Knowledge transfer activities will be conducted to ensure the client team can effectively maintain and extend the system.

Deliverables

The primary deliverable is a complete production-ready neural-symbolic AI system with full LinkBrain-SynaLink integration packaged for multiple deployment scenarios. This includes comprehensive documentation covering installation configuration operation and maintenance procedures. We will provide complete source code with open-source licensing detailed API documentation and development frameworks for extending the system. A final research report (100+ pages) will document all technical innovations performance achievements and lessons learned throughout the project. We will deliver training materials including video tutorials workshop presentations and hands-on exercises for system administrators and end users. The package includes automated deployment scripts monitoring tools and maintenance utilities. Academic contributions will be prepared for publication including technical papers and conference presentations. All deliverables will be professionally packaged with version control release notes and support documentation.

Budget

$15,000 USD

Success Criterion

Success is measured by delivery of a fully functional, production-ready system that meets all RFP requirements and can be successfully deployed in real-world environments. The system must pass comprehensive integration testing, including stress testing with realistic data volumes and user loads. Documentation must be complete and accessible to users with different technical backgrounds, validated through user feedback and usability testing. The system must demonstrate successful deployment in at least two independent environments with positive user acceptance. Performance must meet or exceed all benchmarks established in earlier milestones, with demonstrated stability over extended operation periods. Academic and research contributions must be accepted for publication or presentation at recognized venues. The open-source release must include all necessary components for community adoption and extension. Knowledge transfer activities must result in client team members demonstrating proficiency in system operation and basic maintenance tasks.

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