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Document Intelligence: How to Automate Knowledge Extraction 

January 30, 2025
5 mins
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Data intelligence is the process of extracting actionable insights from unstructured, raw data such as text, scanned documents, and PDFs. With businesses handling large amounts of data everyday, the ability to process and analyze documents efficiently is important. Manual data processing is slow, prone to error, and not scalable. Hence, automation in the knowledge extraction from the documents is essential. 

Industries like healthcare, legal, and finance, heavily depend on document intelligence for tasks like summarizing contracts, extracting customer data, and analyzing invoices. Automating knowledge extraction saves time, reduces human error, and provides businesses with accurate, structured data for decision making.

This blog explores how document intelligence works, its challenges, and how tools like Encord improve automation for precise and scalable document annotation.

What is Document Intelligence?

Document intelligence focuses on using artificial intelligence and natural language processing to convert unstructured text into structured, usable formats. It enables businesses to extract valuable information from complex datasets and streamline processes that traditionally require significant manual effort. These structured data can either be used by the team for data analysis or used to build machine learning algorithms. 

document intelligence

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Key Applications of Document Intelligence

  • Text Classification: Categorizing documents into predefined groups, such as labeling emails as "urgent" or "non-urgent."
  • Named Entity Recognition (NER): Identifying specific entities like names, dates, monetary amounts, and locations in documents.
  • Sentiment Analysis: Analyzing text for emotional tone, such as determining customer feedback sentiment.
  • Summarization: Condensing long documents into concise summaries.
  • Data Extraction: Extracting key values or fields from documents, such as invoice numbers or legal clauses.

Real World Use Cases

Automate Data Entry for Analytics and Operations

Document intelligence simplifies data extraction, helping businesses to automate tedious data entry processes. This is particularly useful in industries such as shipping, procurement, financial services, mortgage processing, and the mail room, where large volumes of documents need to be processed quickly and accurately.

By automating the extraction of critical data points like invoice numbers, order details, or customer addresses, businesses can reduce manual errors and improve overall efficiency. This extracted data can then be fed into business systems for analytics for data-backed decision-making.

Data Analysis

By integrating knowledge extraction models with analytics platforms like BigQuery, you can get deeper insights from their documents. The models extract metadata from the documents and automatically load it into structured tables. This combines the structured and unstructured data, enabling advanced analytics that was not possible previously. For example, by joining document data with sales data, companies can uncover patterns that inform marketing and sales strategies.

Document Classification for Workflow Management

The knowledge extraction models are trained to assign categories or labels to the documents. This categorization ensures that the documents are routed to the appropriate team or department for further action, making them easier to search, filter, and analyze. This document management reduces the time spent on manual sorting and speeds up the decision making process.

Read the blog on Data classification for more information.

Improving Data Processing with AI

SaaS customers and independent software vendors (ISVs) are increasingly using automated knowledge extraction models to improve document processing solutions. These models not only extract and categorize information but also generate responses or perform advanced analysis based on content of the document. This offers significant value for applications like customer support, compliance monitoring and document review.

Digitizing Text for ML Model Training

With optical character recognition (OCR) in the workflows, businesses can convert scanned or handwritten documents, reports, and presentations into machine readable formats. This makes archival content usable for training models tailored to specific business needs, such as predictive maintenance or customer behaviour forecasting. By transforming previously inaccessible data into structured information, these models enable faster and more efficient model development.

document intelligence in practice

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Building Generative AI with Document Data

Automated knowledge extraction models are critical in feeding valuable document data into generative AI systems. By combining OCR and natural language processing with advanced AI frameworks like Gemini or GPT APIs organizations can access capabilities such as document Q&A experiences, automated document comparison, or document generation. 

Challenges in Manual Knowledge Extraction

Unstructured Data Complexity

Unstructured documents are inherently messy. Documents like contracts, invoices, or emails have varying formats, inconsistent layouts, and ambiguous language. Scanned documents and handwritten notes further complicate the process by requiring additional preprocessing like OCR.

Human Error and Inconsistency

Manual annotation heavily relies on individual effort which introduces variability and errors, especially when scaling across thousands of documents. Two annotators may interpret and classify the same text differently, leading to inconsistent data.

Time Consuming 

Extracting insights manually from large datasets need significant time and resources. For example, reviewing 1000 contracts manually could take weeks, whereas automated tools can complete the same task in hours or even minutes.

Scalability Issues

As the amount of data grows, manual methods cannot keep up. Scaling knowledge extraction to process millions of documents required automation to maintain speed and quality.

High Costs

Manual processes often require hiring large teams of annotators and quality assurance, driving up the operational costs. This can be burdensome for industries with tight margins, like retail and small-scale legal firms.

Benefits of Intelligent Document Processing

Better Efficiency

Automating document workflows eliminates the need for time consuming manual data entry and processing. Tasks such as extracting key fields or categorizing large batches of documents can be completed in less time, reducing turnaround times and allowing you to focus on higher value tasks.

Improved Accuracy

AI-powered document automation reduces errors commonly associated with manual processes. Models trained for OCR, NER, and classification ensure precise extraction of data. For instance, in financial processing, automation minimizes discrepancies in invoice matching, improving operational accuracy and compliance.

Scalability

Document intelligence automation systems can handle vast amounts of data, making them ideal for industries such as banking, insurance, and healthcare. Whether it's processing thousands of claims, customer applications, or research documents, these systems scale effortlessly, maintaining consistency and accuracy across all inputs.

Better Compliance and Auditability

In industries where compliance is critical, document automation ensures that all necessary data is captured, stored, and retrievable for audits. By maintaining an accurate digital trail of processed documents, businesses can easily demonstrate regulatory adherence and avoid potential penalties.

Actionable Insights through Analytics

Document intelligence automation doesn't stop at data extraction, it allows businesses to analyze the extracted information to get actionable insights. By integrating with tools like analytics platforms, you can uncover trends, patterns, and opportunities hidden within the documents for smarter strategic decisions.

Automating Knowledge Extraction: Key Steps

Here’s an overview of the main steps in the process:

Document Ingestion and Preprocessing

The first step in automating knowledge extraction from documents is data curation and ingesting documents into the system. This involves collecting various types of documents from different sources, such as emails, PDFs, scanned images, and digital files. Once done, preprocessing takes place. This includes converting scanned documents into machine readable text using OCT, removing noise from images from scanned documents, or standardizing document formats. 

Text Parsing and Layout Analysis

This step involves analyzing the structure of the document, such as identifying headings, paragraphs, tables, or bullet points. The models break down the document into logical components or key value pairs that are easier to interpret. For example, in a legal contract, the system would identify clauses, parties involved, and dates. 

Layout analysis helps in understanding the spatial arrangement of elements in the document, allowing the extraction model to focus on relevant areas and avoid irrelevant content.

Named Entity Recognition (NER)

NER identifies specific entities within the document, such as dates, names, monetary values, locations, and other key terms. NER makes sure that only the relevant pieces of information are extracted and structured. This helps to transform raw documents into valuable data for subsequent document analysis or action.

Data Extraction and Structuring

At this stage, the automated models extract text from the documents. This involves getting key fields like invoice numbers, payment terms, and order quantities from invoices or extracting medical details such as patient names, diagnoses, and treatment dates from medical records. The extracted data is then structured into a usable format with the help of predefined templates, such as a database entry, a table, or a spreadsheet. 

Data Classification and Annotation

In order to ensure the documents are appropriately organized and processed, the automated knowledge extractors use classification models to classify and annotate documents. By classifying the documents, you streamline the workflows ensuring that the documents are directed to the correct team or department. 

Post-Processing and Integration

After the data has been extracted, it often goes through post processing to ensure that the extraction is accurate and ready for use. This step involves cleaning the data, validating it against predetermined rules, or formatting it for integration for real world use cases. For instance, the extracted data might be transferred into a CRM, accounting software, or a data warehouse for further analysis. Integration with other systems allows businesses to make use of the extracted data immediately, allowing decision making, reporting, and analytics.

Continuous Learning and Improvement

One of the most valuable aspects of automated knowledge extraction systems is their ability to learn and improve over time. ML models used for document processing are often designed to continuously refine their accuracy based on new data. As more documents are processed, the system can fine-tune its models to recognize patterns, improve data extraction, and handle new document types. This ongoing learning process ensures that the system becomes more efficient and accurate as it is used, providing increasing value over time.

How Encord Enhances Knowledge Extraction

Encord is a comprehensive platform designed to streamline the data annotation process for machine learning projects. It provides advanced tools for creating, managing, and scaling annotation workflows across various data types, including text, images, audio, and video. 

Here's how Encord simplifies and accelerates knowledge extraction:

Customizable Annotation Workflows

Encord allows users to create tailored annotation workflows for specific tasks such as Named Entity Recognition (NER), text classification, and sentiment analysis. These workflows are fully adaptable allowing you to define custom labeling schemas, rules, and automation steps that suit your unique data and project needs. 

Scalability and Collaboration

The platform is built to handle large datasets, making it ideal for projects that require extensive document processing. It supports team-based workflows, allowing multiple annotators to collaborate efficiently. With features like task assignment, progress tracking, and real-time updates, teams can work together easily, even on complex projects. This scalability ensures that enterprises can annotate thousands of documents without sacrificing accuracy or speed.

Integration with AI Models

One of Encord’s key strengths is its compatibility with both pre-trained and fine-tuned AI models.  You can easily integrate your prebuilt models into the annotation pipeline to automate repetitive tasks, such as initial labeling or data preprocessing. This integration accelerates workflows and improves the quality of annotations by using model predictions for human validation and review. 

Quality Assurance Mechanisms

Encord offers built-in quality assurance features to ensure labeling consistency across projects. It provides metrics to assess the quality of the annotated data. It also provides features like automated validation checks, inter-annotator agreement metrics, and review workflows to help maintain high data quality. These features reduce errors and ensure that the extracted knowledge is reliable and ready for downstream AI applications.

Conclusion

Document intelligence automation is revolutionizing the way businesses process and utilize unstructured data. With algorithms like NLP, OCR, and AI, you can transform time consuming manual workflows into efficient, scalable, and highly accurate processes. From automating data entry to generating actionable insights, the benefits of document intelligence automation are undeniable across industries like healthcare, finance, and legal.

However, implementing these solutions requires the right tools. Platforms like Encord help businesses to overcome challenges like data complexity, human error, and scalability, making knowledge extraction reliable. By combining customizable workflows, robust quality assurance, and AI integration, Encord not only accelerates document processing but also ensures you get maximum information from your curated data. 

As the demand for intelligent automation grows, adopting document intelligence solutions will no longer be optional—it will be a necessity for staying competitive in today’s data-driven world. Start transforming your document workflows today and unlock the potential of automated knowledge extraction.

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Written by
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Alexandre Bonnet

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Frequently asked questions
  • Document intelligence is the use of artificial intelligence (AI) and natural language processing (NLP) to convert unstructured text from documents, PDFs, or scanned files into structured, usable data. This structured data is essential for analysis, automation, and decision-making.
  • Manual document processing is slow, error-prone, and not scalable. Automating knowledge extraction saves time, reduces human error, enhances accuracy, and allows businesses to make better, data-driven decisions.
  • Text Classification: Categorizing documents into predefined groups. Named Entity Recognition (NER): Identifying entities like names, dates, and monetary amounts. Sentiment Analysis: Understanding emotional tone in feedback or communications. Summarization: Condensing long documents into concise versions. Data Extraction: Pulling key fields from documents, such as invoice numbers or legal clauses.

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