{
  "eval_subset_info": {
    "name": "CodeReality-1T Evaluation Subset",
    "version": "1.0.0",
    "created": "2025-09-27T19:25:00.000Z",
    "description": "Complete evaluation subset with enhanced metadata for research benchmarks",
    "purpose": "Standardized evaluation and benchmarking on deliberately noisy data",
    "selection_methodology": "Research value scoring with diversity sampling",
    "source_dataset": "CodeReality-1T (3.05TB, 397,475 repositories)"
  },
  "subset_statistics": {
    "total_files": 323,
    "total_size_gb": 19.0,
    "estimated_repositories": 2049,
    "file_format": "JSONL (JSON Lines)",
    "compression": "None (raw JSONL)",
    "directory_location": "/eval/subset/data/"
  },
  "research_characteristics": {
    "multi_repo_files": {
      "count": 323,
      "percentage": 100.0,
      "description": "Files containing 5+ repositories each"
    },
    "commit_history": {
      "count": 2049,
      "percentage": 100.0,
      "description": "Complete git history available"
    },
    "cross_language_content": {
      "count": 1495,
      "percentage": 73.0,
      "description": "Repositories with multiple programming languages"
    },
    "build_system_configurations": {
      "count": 798,
      "percentage": 39.0,
      "description": "Makefile, package.json, build.gradle, pom.xml"
    },
    "issue_tracking_data": {
      "count": 1209,
      "percentage": 59.0,
      "description": "GitHub/GitLab issues and discussions"
    },
    "bug_fix_commits": {
      "count": 1845,
      "percentage": 90.0,
      "description": "Commits identified as bug fixes"
    },
    "test_coverage": {
      "count": 1332,
      "percentage": 65.0,
      "description": "Repositories with test files"
    },
    "documentation": {
      "count": 1843,
      "percentage": 90.0,
      "description": "README and documentation files"
    }
  },
  "repository_size_distribution": {
    "small": {
      "size_range": "< 10MB",
      "repositories": 800,
      "average_size_mb": 3.2
    },
    "medium": {
      "size_range": "10-100MB",
      "repositories": 1100,
      "average_size_mb": 42.1
    },
    "large": {
      "size_range": "> 100MB",
      "repositories": 149,
      "average_size_mb": 187.3
    }
  },
  "language_diversity": {
    "javascript_typescript": "35%",
    "python": "20%",
    "java_c_cpp": "25%",
    "mixed_other": "20%"
  },
  "evaluation_tasks": [
    "Code completion benchmarks (Pass@k evaluation)",
    "License detection training/testing",
    "Cross-language analysis",
    "Bug detection studies",
    "Repository classification",
    "Security pattern analysis",
    "Build system validation",
    "Commit message generation"
  ],
  "benchmark_integration": {
    "license_detection": {
      "framework": "available",
      "baseline_accuracy": "9.8%",
      "results_file": "../results/license_detection_sample_results.json"
    },
    "code_completion": {
      "framework": "available",
      "baseline_pass_at_1": "14.2%",
      "baseline_pass_at_5": "34.6%",
      "results_file": "../results/code_completion_sample_results.json"
    },
    "bug_detection": {
      "framework": "scaffold_available",
      "status": "community_implementation_needed"
    },
    "cross_language_translation": {
      "framework": "scaffold_available",
      "status": "community_implementation_needed"
    }
  },
  "quality_assurance": {
    "integrity_verification": "SHA256 checksums for all files",
    "completeness_check": "100% coverage verification",
    "reproducibility": "Deterministic selection process",
    "bigcode_compliance": true
  },
  "usage_guidelines": {
    "recommended_uses": [
      "Academic research and education",
      "Model robustness testing",
      "Data curation method development",
      "Benchmark comparison studies"
    ],
    "limitations": [
      "Deliberately noisy data",
      "Research-only licensing",
      "Requires preprocessing for production",
      "Contains potential security patterns"
    ]
  },
  "file_manifest": {
    "verification_method": "SHA256",
    "total_checksums": 323,
    "manifest_location": "data/manifest.json",
    "verification_command": "sha256sum -c data/manifest.json"
  }
}