Docling + Go + Bob: The Modern Document Stack

Streamlining Document Intelligence: Introducing Docling-Serve Bob

Docling-Serve Bob is a high-performance desktop application engineered in Go that delivers the power of IBM’s Docling service directly to users. Built with the Fyne framework, this application transforms complex document conversion into an intuitive, point-and-click experience, offering a significant improvement over manual processes and scripting.

Why This Matters

Ideal document processing envisions seamless integration of AI-driven extraction. However, many solutions struggle with advanced features like OCR and complex table structure recognition, often requiring significant engineering effort to implement. Failure to address these complexities can lead to inaccurate data extraction, increased processing costs, and ultimately, unreliable AI applications.

Key Insights

• Python Dependency for Advanced Features: Docling’s core advanced features (OCR, table extraction) are Python-native, necessitating a hybrid Go/Python architecture.
• Hybrid Architecture: Combining Go’s GUI and system integration capabilities with Python’s ML ecosystem optimizes performance and feature access.
• Docling’s Feature Set: Docling supports multiple input formats (PDF, DOCX, HTML, PPTX, etc.) and outputs to JSON, Markdown, Text, and DocTags.

Working Example

package main
import (
	"fmt"
	"log"
	"os/exec"
)
func main() {
	cmd := exec.Command("python3", "./docling_converter.py", "input.pdf", "./output")
	output, err := cmd.CombinedOutput()
	if err != nil {
		log.Fatalf("Error executing Python script: %v\nOutput: %s", err, string(output))
	}
	fmt.Printf("Python script output:\n%s\n", string(output))
}

Practical Applications

• Legal Tech (Kira Systems): Automating contract review by extracting key clauses and data points from legal documents.
• Financial Services (Bloomberg): Processing financial reports and extracting data for analysis and compliance.

References:

• https://dev.to/aairom/docling-go-bob-the-modern-document-stack-37b
• https://github.com/docling-project/docling
• https://github.com/aairom/doclingserve-bob
• https://www.ibm.com/products/bob