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.

Universidad Austral
Skills you'll gain: Regression Analysis, Statistical Inference, Descriptive Statistics, Risk Analysis, Business Analytics, Statistics, Data Literacy, Risk Modeling, Excel Formulas, Sampling (Statistics), Microsoft Excel, Sample Size Determination, Data Analysis, Statistical Methods, Risk Management, Probability, Descriptive Analytics, Statistical Analysis, Probability & Statistics, Data Science
★ 4.6 (782) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Networking Hardware, Network Infrastructure, Network Routers, Electrical Wiring, General Networking, Embedded Software, Network Switches, Network Protocols, Network Architecture, Security Controls, Cloud Infrastructure, Wireless Networks, Network Routing, Local Area Networks, Telecommunications, Communication Systems, Distributed Computing, Python Programming, Machine Learning
★ 4.7 (627) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Responsible AI, Agentic systems, Machine Learning Algorithms, Model Training, Agentic Workflows, Decision Intelligence, Data Governance, AI Enablement, Health Systems, Health Informatics, Artificial Intelligence, Analytics, Digital Transformation, Healthcare Industry Knowledge, Human Factors (Security), Generative AI Agents, Health Technology, Health Information Management, Information Technology, Information Systems
★ 4.5 (33) · Beginner · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Peer Review, Governance, Leadership and Management, Organizational Effectiveness, Leadership Studies, Organizational Leadership, Organizational Structure, Leadership, Case Studies, Decision Making
★ 4.4 (217) · Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Storyboarding, User Research, Information Architecture, User Experience Design, User Experience, UI/UX Research, Design Research, Ideation, Design Thinking, User Centered Design, User Flows, Creativity
★ 4.6 (110) · Mixed · Course · 1 - 3 Months

Deep Teaching Solutions
Skills you'll gain: Student Engagement, Differentiated Instruction, Lifelong Learning, Persistence, Learning Theory, Tenacity, Problem Solving
★ 4.8 (28) · Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Java, Transaction Processing, File I/O, Java Programming, Data Access, Object Oriented Design, Dataflow, Data Persistence, Database Management, Stored Procedure, SQL, Application Development, Information Management, Command-Line Interface, Application Deployment, Data Integrity, Databases, OS Process Management, Application Programming Interface (API), Mitigation
★ 5 (6) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Looker (Software), Dashboard, Dashboard Creation, Business Intelligence, Data Import/Export, Data Integration, Query Languages, Data Analysis, Data Management
★ 4.3 (15) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Programmable Logic Controllers, Animations, Human Machine Interfaces, UI Components, Control Panels, Interactive Design, Simulations, Interactive Data Visualization, Debugging, Electrical Safety, User Interface (UI) Design, Program Development, Computational Logic, Authorization (Computing), System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JUnit, Test Automation, Test Tools, Test Script Development, Unit Testing, Software Testing, Performance Testing, Quality Assurance, Performance Stress Testing, IT Automation, Performance Tuning, Scripting, Debugging, Network Performance Management, Simulations
★ 4.9 (10) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Infrastructure As A Service (IaaS), Cloud Infrastructure, Amazon Web Services, IT Automation, Amazon Elastic Compute Cloud, Code Reusability, Infrastructure Architecture, Cloud Management, Cloud Platforms, Data Security, Dependency Analysis
★ 4.1 (21) · Intermediate · Course · 1 - 4 Weeks
Google Cloud
Skills you'll gain: Google Sheets, Spreadsheet Software, Data Visualization, Google Workspace, Data Validation, Business Solutions, Automation, Data Analysis Software, Data Integration, Business Analysis
★ 4.7 (65) · Intermediate · Course · 1 - 3 Months