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.

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Education Software and Technology, Digital pedagogy, Program Evaluation, Learning Management Systems, Analytics, Data Ethics, Data Access, Natural Language Processing
★ 4.7 (327) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Power Apps Component Framework, Business Process Automation, No-Code Development, Microsoft Power Platform, Automation, Application Development, Microsoft 365, Data Integration
Intermediate · Guided Project · Less Than 2 Hours

National Academy of Sports Medicine
Skills you'll gain: Nutrition and Diet, Nutrition Counseling, Nutrition Education, Meal Planning And Preparation, Nutritional Assessment, Sports Medicine, Exercise Science, Health Assessment, Patient Education And Counseling, Food and Beverage, Health Promotion, Athletic Training, Regulatory Compliance, Clinical Nutrition, Psychology, Scientific Methods, Medical Science and Research, Life Sciences
★ 4.7 (202) · Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Cryptography, Cryptographic Protocols, Key Management, Security Engineering, Threat Modeling, Security Management, Authorization (Computing), Encryption, Email Security, Data Integrity, Authentications
★ 3.9 (241) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Intrusion Detection and Prevention, Computer Security Incident Management, Incident Management, Threat Detection, Security Information and Event Management (SIEM), IT Automation, Automation, Event Monitoring, Cyber Threat Intelligence, Continuous Monitoring, System Monitoring, Anomaly Detection, Cybersecurity, Data Analysis Software, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.7 (69) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Development, Database Software, Database Management Systems, Data Sharing, Database Architecture and Administration, Microsoft SQL Servers, Data Integration, Management Reporting, Report Writing, IT Automation, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design
Intermediate · Course · 3 - 6 Months
Skills you'll gain: Vulnerability Scanning, Digital Forensics, Vulnerability Assessments, Linux, Linux Administration, Network Security, Authorization (Computing), Role-Based Access Control (RBAC), Identity and Access Management, Linux Commands, Security Testing, User Accounts, Network Monitoring, System Monitoring, Hardening, Continuous Monitoring, Information Systems Security, Security Controls, Wireless Networks, Cybersecurity
★ 5 (7) · Beginner · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Compensation Analysis, Compensation Management, Job Evaluation, Benefits Administration, Compensation and Benefits, Data Collection, Data Visualization, Job Analysis, Compensation Strategy, Data Presentation, Data-Driven Decision-Making, Spreadsheet Software, Data Visualization Software, Project Management, Communication Planning, Data Analysis, Microsoft Excel, Benefits Enrollment Processes, Business Analytics, Program Management
★ 4.5 (121) · Beginner · Professional Certificate · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Income Statement, Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Accounting, Accounting, Cash Flows, Financial Reporting, Balance Sheet, Financial Data, Revenue Recognition, Business Metrics, Gross Profit, Cash Management
★ 4.7 (794) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Operations, Intrusion Detection and Prevention, Cybersecurity, Security Controls, Cyber Attacks, Incident Response, Digital Forensics, Risk Management Framework, Exploitation techniques, Network Security, Threat Management, Computer Security Incident Management, Network Monitoring, Event Monitoring, Network Analysis, Firewall, Data Integrity
★ 5 (22) · Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Health Care Administration, Staff Management, Clinical Leadership, Community Health, Health Administration, Public Health, People Management, Human Resources Management and Planning, Health Systems, Electronic Medical Record, Electronic Medical Record System, Marketing and Public Relations, Financial Management, Marketing Communications, Health Informatics, Quality Improvement, Media and Communications, Human Resources, Philanthropy, Health Information Management and Medical Records
★ 4.7 (109) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AutoCAD Civil 3D, Autodesk Revit, Autodesk, Grading (Landscape), AutoCAD, Stormwater Management, Drafting and Engineering Design, Network Model, Design, Visualization (Computer Graphics), Coordination, Design and Product, Data Management
Beginner · Course · 3 - 6 Months