Glossary

AI, Data & Automation in Corporate Travel

#

AI Agent

Software that can interpret a goal, make decisions, use tools and take steps toward completing a task, such as rebooking, checking policy or resolving an invoice exception.

#

AI / Artificial Intelligence

Technology that enables systems to perform tasks normally requiring human intelligence, such as classification, prediction, language understanding or decision support.

#

AI Governance

Policies, controls and processes that guide how AI systems are developed, monitored, audited and used responsibly.

#

AI Orchestration

Coordination of multiple AI models, systems, rules and workflows to complete complex business processes across travel, payment, invoice or expense systems.

#

Algorithm

Set of computational rules used to process data and produce an output, such as a ranking, prediction, recommendation or classification.

#

API / Application Programming Interface

Technical connection that allows systems such as booking tools, payment platforms, expense systems or AI services to exchange data.

#

Automation

Use of technology to complete repetitive tasks with limited or no manual intervention, such as invoice matching, policy checks or payment reconciliation.

#

Autonomous Workflow

Workflow where a system can complete multi-step tasks independently within defined guardrails, such as validating a hotel invoice and routing only exceptions to AP.

#

Bot

Automated software interaction layer, often used for basic support, notifications, FAQs or transactional tasks.

#

Classification Model

AI model that assigns data to categories, such as compliant vs. non-compliant booking, valid vs. invalid invoice, or hotel vs. meal expense.

#

Computer Vision

AI technique that interprets images or visual documents, relevant for reading receipts, invoices, passports or scanned folios.

#

Conversational AI

AI that enables users to interact with systems through natural language, such as a travel assistant, chatbot or service automation interface.

#

Data Lake

Central repository that stores large volumes of structured and unstructured data for analytics, AI and reporting.

#

Data Model

Structured representation of how data entities relate to each other, such as traveler, booking, payment, invoice, supplier and cost center.

#

Data Pipeline

Automated flow that collects, transforms and delivers data from one system to another for reporting, automation or AI use cases.

#

Decision Engine

System that applies rules, data and sometimes AI to determine the next action, such as approving, rejecting, flagging or routing a transaction.

#

Entity Resolution

Process of identifying when different records refer to the same entity, such as the same hotel appearing under different names across systems.

#

Exception Handling

Process for routing cases that cannot be automatically resolved, such as invoice mismatches, policy exceptions or failed payments.

#

Explainable AI / XAI

AI approach that makes model outputs understandable to users, auditors or business owners.

#

Generative AI / GenAI

AI that creates new content or responses, such as summaries, recommendations, emails, service replies or meeting briefs.

#

Guardrails

Rules and controls that limit what an AI system can do, access or recommend, especially in sensitive workflows involving spend, PII or compliance.

#

Hallucination

Incorrect or unsupported AI-generated output that may sound plausible but is not grounded in reliable data.

#

Human-in-the-Loop / HITL

Operating model where humans review, approve or intervene in AI-driven decisions, especially for high-risk or exception-based processes.

#

IDP / Intelligent Document Processing

AI-enabled extraction and interpretation of data from documents such as invoices, receipts, contracts or hotel folios.

#

Intent Detection

AI capability that identifies what a user wants to do, such as book a hotel, change a trip, find an invoice or check policy.

#

Knowledge Graph

Data structure that maps relationships between entities, such as travelers, suppliers, destinations, rates, policies and invoices.

#

Large Language Model / LLM

AI model trained on large text datasets that can understand and generate language, used for assistants, summarization, search and workflow automation.

#

Machine Learning / ML

AI method where systems learn patterns from data to make predictions or decisions without being explicitly programmed for every scenario.

#

MLOps

Operational discipline for deploying, monitoring, maintaining and governing machine learning models in production.

#

Model Drift

Degradation of model performance over time as data patterns, traveler behavior, supplier content or market conditions change.

#

Natural Language Processing / NLP

AI capability for understanding, interpreting and generating human language. Relevant for search, support, chat, policy interpretation and summaries.

#

OCR / Optical Character Recognition

Technology that converts scanned or image-based text into machine-readable text, often used for receipts, folios and invoices.

#

Predictive Analytics

Use of historical and current data to forecast future outcomes, such as spend, demand, cancellation risk, leakage or savings opportunity.

#

Prompt

Instruction or input given to a generative AI system to produce a response or complete a task.

#

Prompt Engineering

Practice of designing prompts to improve the accuracy, relevance and consistency of AI-generated outputs.

#

RAG / Retrieval-Augmented Generation

AI approach that retrieves information from approved sources before generating an answer, reducing hallucination and improving enterprise relevance.

#

Recommendation Engine

System that suggests options based on user needs, policy, availability, pricing, preferences or historical behavior.

#

Robotic Process Automation / RPA

Automation approach that mimics manual user actions in software systems, often used where APIs or integrations are limited.

#

Semantic Search

Search method that understands meaning and context rather than relying only on exact keyword matches.

#

Structured Data

Data organized in defined fields, such as booking ID, traveler name, room rate, tax amount, invoice number or cost center.

#

Training Data

Dataset used to teach or fine-tune an AI model. In corporate travel, this could include bookings, invoices, policies, supplier content or support cases.

#

Unstructured Data

Data without a fixed format, such as emails, PDFs, contracts, chat logs, receipts or meeting notes.

#

Virtual Travel Assistant

AI-enabled interface that helps travelers, arrangers or travel managers with booking, service, policy, disruption or reporting tasks.

#

Workflow Automation

Automation of business process steps across systems, such as booking-to-payment, invoice validation or expense approval.