2025-10-06 15:12:49 +05:30

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Robust CKG and TKG System Design

Overview

This document outlines the design for a robust Component Knowledge Graph (CKG) and Template Knowledge Graph (TKG) system that provides intelligent tech-stack recommendations based on template features, permutations, and combinations.

System Architecture

1. Component Knowledge Graph (CKG)

Purpose: Manages feature permutations and combinations with tech-stack mappings
Storage: Neo4j graph database
Key Entities: Features, Permutations, Combinations, TechStacks, Technologies

2. Template Knowledge Graph (TKG)

Purpose: Manages template-feature relationships and overall tech recommendations
Storage: Neo4j graph database
Key Entities: Templates, Features, Technologies, TechStacks

Enhanced Graph Schema

Node Types

CKG Nodes

Feature {
  id: String
  name: String
  description: String
  feature_type: String (essential|suggested|custom)
  complexity: String (low|medium|high)
  template_id: String
  display_order: Number
  usage_count: Number
  user_rating: Number
  is_default: Boolean
  created_by_user: Boolean
}

Permutation {
  id: String
  template_id: String
  feature_sequence: String (JSON array)
  sequence_length: Number
  complexity_score: Number
  usage_frequency: Number
  created_at: DateTime
  performance_score: Number
  compatibility_score: Number
}

Combination {
  id: String
  template_id: String
  feature_set: String (JSON array)
  set_size: Number
  complexity_score: Number
  usage_frequency: Number
  created_at: DateTime
  synergy_score: Number
  compatibility_score: Number
}

TechStack {
  id: String
  combination_id: String (optional)
  permutation_id: String (optional)
  frontend_tech: String (JSON array)
  backend_tech: String (JSON array)
  database_tech: String (JSON array)
  devops_tech: String (JSON array)
  mobile_tech: String (JSON array)
  cloud_tech: String (JSON array)
  testing_tech: String (JSON array)
  ai_ml_tech: String (JSON array)
  tools_tech: String (JSON array)
  confidence_score: Number
  complexity_level: String
  estimated_effort: String
  created_at: DateTime
  ai_model: String
  analysis_version: String
}

Technology {
  name: String
  category: String (frontend|backend|database|devops|mobile|cloud|testing|ai_ml|tools)
  type: String (framework|library|service|tool)
  version: String
  popularity: Number
  description: String
  website: String
  documentation: String
  compatibility: String (JSON array)
  performance_score: Number
  learning_curve: String (easy|medium|hard)
  community_support: String (low|medium|high)
}

TKG Nodes

Template {
  id: String
  type: String
  title: String
  description: String
  category: String
  complexity: String
  is_active: Boolean
  created_at: DateTime
  updated_at: DateTime
  usage_count: Number
  success_rate: Number
}

Feature {
  id: String
  name: String
  description: String
  feature_type: String
  complexity: String
  display_order: Number
  usage_count: Number
  user_rating: Number
  is_default: Boolean
  created_by_user: Boolean
  dependencies: String (JSON array)
  conflicts: String (JSON array)
}

Technology {
  name: String
  category: String
  type: String
  version: String
  popularity: Number
  description: String
  website: String
  documentation: String
  compatibility: String (JSON array)
  performance_score: Number
  learning_curve: String
  community_support: String
  cost: String (free|freemium|paid)
  scalability: String (low|medium|high)
  security_score: Number
}

TechStack {
  id: String
  template_id: String
  template_type: String
  status: String (active|deprecated|experimental)
  ai_model: String
  analysis_version: String
  processing_time_ms: Number
  created_at: DateTime
  last_analyzed_at: DateTime
  confidence_scores: String (JSON object)
  reasoning: String (JSON object)
}

Relationship Types

CKG Relationships

Template -[:HAS_FEATURE]-> Feature
Feature -[:REQUIRES_TECHNOLOGY]-> Technology
Permutation -[:HAS_ORDERED_FEATURE {sequence_order: Number}]-> Feature
Combination -[:CONTAINS_FEATURE]-> Feature
Permutation -[:RECOMMENDS_TECH_STACK]-> TechStack
Combination -[:RECOMMENDS_TECH_STACK]-> TechStack
TechStack -[:RECOMMENDS_TECHNOLOGY {category: String, confidence: Number}]-> Technology
Technology -[:SYNERGY {score: Number}]-> Technology
Technology -[:CONFLICTS {severity: String}]-> Technology
Feature -[:DEPENDS_ON {strength: Number}]-> Feature
Feature -[:CONFLICTS_WITH {severity: String}]-> Feature

TKG Relationships

Template -[:HAS_FEATURE]-> Feature
Template -[:HAS_TECH_STACK]-> TechStack
Feature -[:REQUIRES_TECHNOLOGY]-> Technology
TechStack -[:RECOMMENDS_TECHNOLOGY {category: String, confidence: Number}]-> Technology
Technology -[:SYNERGY {score: Number}]-> Technology
Technology -[:CONFLICTS {severity: String}]-> Technology
Feature -[:DEPENDS_ON {strength: Number}]-> Feature
Feature -[:CONFLICTS_WITH {severity: String}]-> Feature
Template -[:SIMILAR_TO {similarity: Number}]-> Template

Enhanced Services

1. Advanced Combinatorial Engine

Smart permutation generation based on feature dependencies
Compatibility-aware combination generation
Performance optimization with caching
Feature interaction scoring

2. Intelligent Tech Stack Analyzer

AI-powered technology recommendations
Context-aware tech stack generation
Performance and scalability analysis
Cost optimization suggestions

3. Relationship Manager

Automatic dependency detection
Conflict resolution
Synergy identification
Performance optimization

4. Recommendation Engine

Multi-factor recommendation scoring
User preference learning
Success rate tracking
Continuous improvement

API Enhancements

CKG APIs

GET /api/ckg-tech-stack/template/:templateId
GET /api/ckg-tech-stack/permutations/:templateId
GET /api/ckg-tech-stack/combinations/:templateId
GET /api/ckg-tech-stack/compare/:templateId
GET /api/ckg-tech-stack/recommendations/:templateId
POST /api/ckg-tech-stack/analyze-compatibility
GET /api/ckg-tech-stack/synergies
GET /api/ckg-tech-stack/conflicts

TKG APIs

GET /api/tkg/template/:templateId/tech-stack
GET /api/tkg/template/:templateId/features
GET /api/tkg/template/:templateId/recommendations
POST /api/tkg/template/:templateId/analyze
GET /api/tkg/technologies/synergies
GET /api/tkg/technologies/conflicts
GET /api/tkg/templates/similar/:templateId

Implementation Strategy

Phase 1: Enhanced CKG Service

Improve permutation/combination generation
Add intelligent tech stack analysis
Implement relationship scoring
Add performance optimization

Phase 2: Advanced TKG Service

Enhance template-feature relationships
Add technology synergy detection
Implement conflict resolution
Add recommendation scoring

Phase 3: Integration & Optimization

Connect CKG and TKG systems
Implement cross-graph queries
Add performance monitoring
Implement continuous learning

Benefits

Intelligent Recommendations: AI-powered tech stack suggestions
Relationship Awareness: Understanding of feature dependencies and conflicts
Performance Optimization: Cached and optimized queries
Scalability: Handles large numbers of templates and features
Flexibility: Supports various recommendation strategies
Learning: Continuous improvement based on usage patterns

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