Why You Need Strong Entity Resolution When Using AI

Scope 3
Alex Rudnicki
,

COO

4 min read
Table of contents

Howden manages Scope 3 PG&S emissions across 55 countries with DitchCarbon.

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Why You Need Strong Entity Resolution When Using AI

How accurate entity matching unlocks true intelligence, reliability, and scale, especially in sustainability data.

Artificial intelligence is only as good as the data it learns from. At DitchCarbon, where we integrate emissions data from thousands of sources to power accurate carbon insights, one truth consistently stands out:

If your AI doesn't know what it's talking about, meaning which companies, assets, or products belong together, you can't trust what it tells you.

That truth is the heart of entity resolution (ER). Whether you're building sustainability tools, risk engines, recommendation systems, or analytics dashboards, strong entity resolution is the foundation that makes AI actually useful.

Below, we break down what entity resolution is, why it matters even more in the age of AI, and how DitchCarbon uses it to deliver trustworthy climate intelligence.

What Is Entity Resolution?

Entity resolution is the process of:

  • Identifying when two data points refer to the same thing
  • Disambiguating when similar looking data points refer to different things
  • Linking entities across datasets, sources, and formats

In practice, this could mean determining:

  • "Microsoft Corporation," "MSFT," and "Microsoft Corp." are the same entity
  • "Shell," "Shell PLC," and "Shell Chemical" are different entities
  • Two suppliers with the same name are actually different companies
  • One product ID in one system maps to a completely different taxonomy in another

Without this, you get messy, duplicated, contradicting data, the kind of data that breaks AI systems.

Why AI Makes Entity Resolution Even More Critical

1. AI amplifies mistakes: fast

AI is great at pattern recognition. Unfortunately, it doesn't know the difference between a true pattern and a broken one.

If your AI model believes two entities are the same when they are not, or vice versa, it will:

  • generate incorrect summaries
  • produce misleading recommendations
  • hallucinate connecting information that doesn't exist
  • create unreliable embeddings

Bad entity resolution at scale becomes exponentially worse with AI.

2. Large Language Models hallucinate without structured grounding

LLMs (like the ones used across the sustainability space) can synthesize information beautifully, but only if you give them a clean, unified view of the world.

If your system has three partially overlapping records for the same supplier, the model may:

  • reason incorrectly across incomplete profiles
  • duplicate results
  • contradict itself
  • produce inconsistent emissions calculations

Good ER gives AI a single source of truth to ground its outputs.

3. Accurate AI depends on accurate embeddings

Embeddings are the vectorized representations that power search, recommendations, classification, and clustering.

But embeddings are only meaningful when the underlying entities are correct.

Bad entity resolution leads to:

  • multiple embeddings for the same company
  • embeddings that merge unrelated companies
  • mis clustered suppliers or products
  • degraded search and retrieval performance

Strong ER improves the semantic quality of your AI workflows.

4. Sustainability and compliance workflows require trustworthy data

In climate and ESG data, companies often appear:

  • under different names
  • in multiple registries
  • with different corporate structures
  • with partial or missing identifiers

If you misidentify a company, you can produce:

  • incorrect emissions estimates
  • wrong supplier classifications
  • misaligned regulatory reporting
  • faulty risk assessments

In sustainability, bad ER has real world consequences.

How DitchCarbon Solves Entity Resolution at Scale

DitchCarbon brings strong, AI enhanced entity resolution to sustainability and supply chain emissions data.

1. Multi source matching

We match entities across:

  • corporate registries
  • sustainability reports
  • supplier databases
  • emissions datasets
  • user uploaded data
  • web and public datasets

This creates a unified, enriched, de duplicated record for each company.

2. Hybrid ML + rule based resolution

We combine:

  • deep learning similarity models
  • industry trained embeddings
  • deterministic rule layers
  • hierarchical reasoning (parent/child companies)
  • human validation loops

This hybrid approach delivers improved precision over simple fuzzy matching.

3. Real time resolution for customer data

Whether you're importing a supplier list, connecting a procurement system, or integrating with DitchCarbon's API, our ER system continuously:

  • deduplicates
  • links
  • aligns
  • enriches

Each incoming entity to ensure clean, consistent data throughout your pipeline.

4. Structured grounding for AI insights

Clean entities allow DitchCarbon's AI driven insights and emissions estimates to be:

  • accurate
  • reproducible
  • consistent
  • regulatory aligned
  • explainable

This gives customers trusted outputs they can act on.

The Bottom Line: Strong ER Is the Silent Hero of Reliable AI

No matter how advanced your model is, AI built on messy, duplicated, ambiguous data will always produce:

  • hallucinations
  • contradictions
  • weak predictions
  • mistrust from users

Entity resolution is the foundation layer that turns raw data into usable intelligence.

It's what lets AI operate on a stable, unambiguous representation of the real world.

At DitchCarbon, we've learned that investing deeply in entity resolution yields exponential gains in:

  • model performance
  • emissions accuracy
  • customer trust
  • automation quality
  • system scalability

If you're using AI in any data intensive domain, especially sustainability, strong entity resolution isn't optional. It's essential.

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