Process Mining
What is Process Mining?
Process mining is a technique that analyzes event data from business systems, such as ERP and CRM logs, to discover, monitor and improve how processes actually run, revealing delays, variations and inefficiencies.
Updated November 2026 · 5 min read
Ask managers how a process works and they will usually describe the intended version: a request comes in, is checked, approved and completed. Look at what actually happens and the picture is often very different. Some requests skip steps, others loop back several times, approvals wait for days and different teams follow different paths. Traditional process mapping relies on workshops and interviews, which capture opinions and are quickly out of date. Process mining uses the digital traces that systems already record to show how processes really run, case by case, at scale.
Process mining was developed as an academic field in the late 1990s and 2000s, led by Wil van der Aalst at Eindhoven University of Technology, who is often called the godfather of process mining. A Process Mining Manifesto published by an IEEE task force in 2011 helped define the discipline. Commercial tools grew rapidly in the 2010s, and process mining is now widely used to support operational excellence, automation, compliance and system migrations. AI is extending it further, with features that explain findings in plain language, predict delays and recommend actions. For operations and process excellence teams, automation centers of excellence, finance and IT leaders, process mining provides an objective, data-based view of how work flows.
Definition of Process Mining
Process mining is a data-driven discipline that extracts event logs from information systems, each event recording a case identifier, an activity and a timestamp, and uses algorithms to automatically discover process models, check conformance against intended processes and analyze performance, so that organizations can understand and improve their real processes.
It supports process improvement, helps identify opportunities for hyperautomation and complements value stream mapping.
Types of Process Mining
Discovery. Building a model of the process automatically from event data, showing the actual paths cases take. Even simple processes often turn out to have dozens of variants.
Conformance checking. Comparing actual process behavior with the intended process or rules, revealing deviations and compliance issues.
Enhancement. Adding information, such as durations, costs and bottlenecks, to the process model to show where to improve.
Predictive and prescriptive mining. Using models to predict outcomes, such as late deliveries, and recommend actions.
Task mining. Capturing activity on users' desktops to understand work that happens outside core systems.
What Process Mining Reveals
Variants. The different paths cases take, and how often each one occurs.
Bottlenecks. Steps where work waits the longest. Waiting time often exceeds working time by a wide margin.
Rework. Loops where cases return to earlier steps.
Deviations. Cases that skip required steps or break rules, such as payments without approved purchase orders.
Automation opportunities. Repetitive, high-volume steps that are good candidates for automation.
Importance of Process Mining in Enterprise Operations
It replaces opinion with evidence. Decisions about process changes are based on what actually happens. Debates about how the process works give way to shared facts.
It targets improvement and automation. Analysis shows where changes will have the greatest effect. Automation programs can size the value of each opportunity before investing.
It also supports compliance and control. Conformance checking finds deviations across all cases, not just samples. Auditors and compliance teams can review every transaction rather than a small selection.
Process Mining and Financial Management
Process mining in finance processes, such as procure to pay and order to cash, reveals causes of late payments, missed discounts and slow collections. Small changes, such as fixing master data, often have large financial effects.
Quantifying the cost of delays and rework helps build business cases for improvement and automation. Business cases based on actual data are more credible than estimates from workshops.
Continuous monitoring shows whether improvements deliver the expected savings. If benefits fade, the data shows where the process has drifted.
Licensing and data preparation costs should be weighed against the value of the insights and actions they support. Starting with one process keeps initial costs manageable.
Common Challenges
Extracting and preparing event data from complex systems takes significant effort. Event data is often spread across tables and systems, and building a clean log can take weeks.
Data is incomplete when parts of the process happen outside systems, such as in email or spreadsheets. Task mining and interviews can fill some of these gaps.
Insights are generated but not acted on, because no one owns the follow-up. Dashboards full of findings change nothing unless someone is responsible for acting on them.
Employees worry that process mining will be used to monitor individuals, creating resistance. Clear policies on how data will and will not be used help build trust.
How to Use Process Mining
Using process mining involves choosing a process, extracting event data, analyzing results with process owners, acting on findings and monitoring over time.
Pairing analysts with people who know the process ensures findings are understood and acted on. Process owners can explain why certain variants exist, some of which may be legitimate.
Getting Started
Choose a high-value process with good system data, such as procure to pay or order to cash. These processes run largely in ERP systems, which record the events needed.
Extract event logs with case identifiers, activities and timestamps from the relevant systems. Data teams and process experts should work together to define which events matter.
Discover the actual process and compare it with the intended one, focusing on variants, bottlenecks and deviations. Visual process maps often surprise managers who believed the process was simple.
Agree with process owners on the most important problems to address. Prioritize by the cost and frequency of each problem.
Acting and Monitoring
Implement improvements and automations based on the findings. Improvement methods such as DMAIC provide a structure for turning findings into lasting change.
Monitor the process continuously to confirm that changes work and to catch new problems. Alerts can flag cases that are at risk of delay so teams can act before deadlines are missed.
Communicate openly about how data is used, focusing on processes rather than individuals. Aggregated analysis is usually enough to find process problems.
Examples of Process Mining in Practice
The examples below show process mining in practice.
Both use illustrative figures. The first improves accounts payable, and the second supports an ERP migration.
In each, event data revealed what workshops had missed.
Improving Accounts Payable
A manufacturer believes its invoice process is efficient, but it often misses early payment discounts.
Process mining shows that many invoices loop back for price corrections and wait days for approval in certain regions.
The company fixes price data issues and adjusts approval rules, capturing far more discounts.
Supporting an ERP Migration
A retailer is moving to a new ERP system and needs to understand its current processes.
Process mining across its order and fulfillment systems reveals dozens of variants, many caused by local workarounds.
The company standardizes processes before migration, reducing customization in the new system.
Conclusion
Process mining analyzes event data from business systems to discover, check and improve how processes actually run. It includes discovery, conformance checking, enhancement, predictive mining and task mining, revealing variants, bottlenecks, rework, deviations and automation opportunities.
In enterprise operations, process mining replaces opinion with evidence, targets improvement and automation and supports compliance. Choosing high-value processes, extracting good event data, working with process owners, acting on findings and monitoring continuously help organizations get value from it.
Related terms
Hyperautomation
A coordinated, organization-wide push to automate as many processes as possible.
Retrieval-Augmented Generation (RAG)
Retrieving relevant information so AI answers are based on real sources.
Multi-Agent Systems
Several specialized AI agents working together toward a shared goal.
Robotic Process Automation (RPA)
Software bots that mimic people's clicks and keystrokes to automate tasks.