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.

LearnKartS
Skills you'll gain: Tableau Software, Data Visualization, Data Presentation, Data Visualization Software, Dashboard, Dashboard Creation, Statistical Visualization, Pivot Tables And Charts, Trend Analysis, Spatial Data Analysis
★ 4.7 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Operations, Threat Management, Threat Detection, Cybersecurity, Exploitation techniques, Scripting, IT Automation, Python Programming, Scripting Languages
★ 4.7 (42) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Spreadsheet Software, Data Literacy, Data Storytelling, Data Presentation, Business Analytics, Excel Formulas, Analytics, Business Workflow Analysis, Data Visualization, Data Analysis, Performance Reporting, Data Synthesis, Analytical Skills, Scalability, Data Manipulation, Operational Efficiency
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Business Ethics, Ethical Standards And Conduct, Compliance Management, Portfolio Management, Investment Management, Regulatory Compliance, Financial Market, Performance Reporting, Financial Regulation, Financial Regulations, Law, Regulation, and Compliance, Client Services, Regulatory Requirements
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Python Programming, Computational Thinking, Data Science, Theoretical Computer Science, Data Processing, Geometry, Data Analysis Expressions (DAX), Data Manipulation, Performance Tuning, Data Analysis, Data Management, Applied Mathematics
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Network Security, Computer Systems, Encryption, Cyber Security Strategy, Cybersecurity, Threat Detection, Security Controls, General Networking, Cloud Computing, Microsoft Azure, Cryptography, Operating Systems, Firewall, Network Monitoring, Virtualization, Authorization (Computing), Active Directory, Business Software, General Data Protection Regulation (GDPR), Authentications
Intermediate · Specialization · 3 - 6 Months

Fundação Instituto de Administração
Skills you'll gain: Digital Transformation, IT Service Management, Information Technology Infrastructure Library, Service Management, Interoperability, Business Transformation, Data Strategy, DevOps, Information Systems Security, Cybersecurity, Cyber Attacks, Systems Integration, Innovation, Service Design, Technology Strategies, Information Technology Operations, Social Media, E-Commerce, Social Media Management, Organizational Development
★ 4.7 (78) · Beginner · Specialization · 3 - 6 Months
Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, AI Workflows, Agentic Workflows, Generative AI Agents, Generative AI, Amazon Web Services, AI Orchestration, Solution Architecture, AI Integrations, Artificial Intelligence, Data Quality, Model Optimization, Computer Vision, Fine-tuning, Scalability, Data Pipelines, Natural Language Processing
★ 4.6 (24) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Scanning, Vulnerability Assessments, Penetration Testing, Security Testing, Network Security, Threat Detection, Network Monitoring, Network Analysis, Operating Systems
★ 4.5 (82) · Beginner · Guided Project · Less Than 2 Hours

Copenhagen Business School
Skills you'll gain: Culture Transformation, Talent Management, Plan Execution, Crisis Management, Innovation, Business Leadership, Leadership, Organizational Leadership, Strategic Leadership, Leadership Development, Organizational Change, Business Ethics, Leadership and Management, Team Leadership, Organizational Strategy, Business Transformation, Human Capital, Ethical Standards And Conduct, Communication, Collaboration
★ 4.7 (1.3K) · Mixed · Course · 3 - 6 Months

Northeastern University
Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, Agile Software Development, Agile Methodology, Requirements Analysis, Agile Project Management, Requirements Management, Software Development Methodologies, User Requirements Documents, Requirements Elicitation, User Story, Waterfall Methodology, Software Architecture, Project Management, Cross-Functional Collaboration, Quality Assurance
★ 4.9 (21) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Data Visualization, Interactive Data Visualization, Data Visualization Software, Data Storytelling, Data Presentation, Dashboard Creation, Dashboard, Data Sharing, Data Analysis, Data Integration, Advanced Analytics, Model Optimization, Data Modeling
★ 4.6 (23) · Intermediate · Course · 1 - 4 Weeks