Case Study: AI Metadata Extraction Agent for SG Library

Automated metadata enrichment pipeline for document collections—improving quality, search and throughput.

Metadata Extraction Engine

The Problem

Manual tagging slows scale and yields uneven metadata quality.

Manual Tagging Overhead

Staff spend excessive hours labeling documents.

Inconsistent Metadata Quality

Human variation results in uneven field coverage.

Low Discoverability

Poor metadata reduces search relevance and click‑through.

Slow Ingestion Throughput

Pipeline cannot scale to growing document volumes.

Our Solution

Automated extraction, normalization and search relevance scoring pipeline.

Automated Entity Extraction

LLMs identify key phrases, entities and relationships.

Schema Normalization

Validation layer enforces required fields & formats.

Search Relevance Scoring

Boosts ranking using enriched metadata signals.

Parallel Ingestion Pipeline

Processes batches concurrently to scale throughput.

Results

80% Fewer Tagging Hours

Bulk automation replaces manual labeling effort.

62% → 94% Completeness

Metadata field coverage raised dramatically.

45% Higher Search CTR

Improved metadata boosts discovery and engagement.

3× Ingestion Throughput

Processing speed scaled from 1k to 3k docs/hour.