Information retrieval courses can help you learn search algorithms, indexing techniques, and data mining strategies. You can build skills in evaluating search results, optimizing query performance, and understanding user intent. Many courses introduce tools like Elasticsearch, Apache Solr, and various machine learning libraries, showing how these technologies enhance information retrieval processes and improve the accuracy of search results.

LearnQuest
Skills you'll gain: Network Monitoring, Network Administration, Network Security, Routing Protocols, Network Troubleshooting, OSI Models, TCP/IP, Computer Networking, General Networking, Network Switches, Command-Line Interface, Network Routing, Networking Hardware, Network Architecture, Local Area Networks, Network Infrastructure, Network Protocols
Beginner · Course · 1 - 4 Weeks

Palo Alto Networks
Skills you'll gain: Cyber Threat Intelligence, Cyber Operations, Zero Trust Network Access, Threat Modeling, Endpoint Security, Threat Management, Endpoint Detection and Response, Threat Detection, Security Information and Event Management (SIEM), Cybersecurity, IT Automation, Security Strategy, Malware Protection, Incident Response, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Business Ethics, Data Ethics, Responsible AI, Ethical Standards And Conduct, Corporate Sustainability, Leadership Studies, Environmental Social And Corporate Governance (ESG), AI Security, Decision Making, Law, Regulation, and Compliance, Personally Identifiable Information, Artificial Intelligence, Compliance Training, Regulation and Legal Compliance, Risk Analysis, Governance
Mixed · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Analytics, Business Analytics, Trend Analysis, Data-Driven Decision-Making, Advanced Analytics, Data Analysis, Analysis, Predictive Analytics, Case Studies, Spatial Analysis, Mathematical Modeling, Data Collection, Performance Reporting, Data Presentation, Predictive Modeling, Innovation, Learning Styles, Leadership, Computer Vision, Communication
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Microbiology, Health Informatics, Big Data, Biostatistics, Data Analysis, Immunology, Molecular Biology, Nutrition and Diet, Biology, Specimen Collection
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Presentation, Heat Maps, Geospatial Mapping, SQL, Data Visualization Software, Statistical Reporting, Statistical Visualization, Data Visualization, Plot (Graphics), Pivot Tables And Charts, Management Reporting, Business Reporting, Microsoft Access, Business Intelligence Software, Business Intelligence, Data Analysis Software, Data Analysis, Relational Databases, Query Languages, Microsoft Office
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: LangGraph, AI Orchestration, Model Deployment, Retrieval-Augmented Generation, AI Workflows, Generative AI Agents, CrewAI, Agentic Workflows, LangChain, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Agentic systems, OpenAI, Systems Integration, Tool Calling, Google Gemini, Workflow Management, Automation, Prompt Engineering, Responsible AI
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Patient Education And Counseling, Communication Strategies, Communication, Active Listening, Empathy
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Management Accounting, Income Statement, Financial Statements, Performance Measurement, Balance Sheet, Organizational Strategy, Financial Statement Analysis, Capacity Management, Cost Accounting, Cost Control, Financial Accounting, Cash Flows, Asset Management, Budgeting, Financial Reporting, Financial Analysis, Accounting, Budget Management, Business Metrics, Small Business Accounting
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Medical Privacy, Information Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Governance, Security Management, Computer Security Incident Management, Personally Identifiable Information, Law, Regulation, and Compliance, Data Security, Governance, Information Assurance, Document Management, Security Controls, Threat Management, Health Information Management, General Data Protection Regulation (GDPR), Compliance Management, Regulatory Compliance, Training Programs, Compliance Training
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Healthcare 5.0, Artificial Intelligence, AI Enablement, Jupyter, Healthcare Ethics, Health Informatics, Healthcare Industry Knowledge, LLM Application, Machine Learning, Deep Learning, Machine Learning Software, MLOps (Machine Learning Operations), Generative Model Architectures, Statistical Machine Learning, AI Product Strategy, Model Evaluation, Predictive Modeling, Data-Driven Decision-Making, Data Processing, Data Analysis
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, SAP Applications, Unit Testing, Restful API, Application Deployment, Core Data (Software), Business Reporting, Secure Coding, Debugging, Full-Stack Web Development, Application Development, Object Oriented Design, Report Writing, Security Controls, Programming Principles, Enterprise Application Management, Object Oriented Programming (OOP), User Interface (UI)
Intermediate · Specialization · 1 - 3 Months