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.

Google Cloud
Skills you'll gain: Email Security, Google Workspace, Mobile Security, Security Management, Cloud Security, Application Security, Data Security, Security Controls, Enterprise Application Management, Identity and Access Management, Authentications, Multi-Factor Authentication
★ 4.7 (810) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Exploitation techniques, Border Gateway Protocol, Malware Protection, Cybersecurity, Routing Protocols, TCP/IP, Internet Of Things, Network Security, Cyber Attacks, Threat Detection, Network Monitoring, Network Routing, Network Analysis, Cyber Risk, Network Protocols, Docker (Software), Containerization
★ 4.7 (6) · Intermediate · Course · 1 - 3 Months

HubSpot Academy
Skills you'll gain: Closing (Sales), Booking (Sales), Overcoming Objections, Sales Process, Selling Techniques, Sales Prospecting, HubSpot CRM, Sales, Prospecting and Qualification, General Sales Practices, Sales Strategy, Customer Relationship Management (CRM) Software, Customer Relationship Management, Lead Generation, Negotiation, Business Writing, LinkedIn, Value Propositions, Planning
★ 4.7 (538) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Frontend Integration, Transaction Processing, Event-Driven Programming, Front-End Web Development, JavaScript Frameworks, Event Monitoring, Development Environment, Web Development, Web Applications, Program Development, Secure Coding, Web Development Tools, React.js, Emerging Technologies, Application Development, Javascript
★ 4.8 (78) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Google Gemini, Responsible AI, Generative AI Agents, Retrieval-Augmented Generation, Gemini, Generative AI, Google Workspace, Generative Model Architectures, AI Enablement, AI Product Strategy, AI Security, Prompt Engineering Tools, Google Cloud Platform, Large Language Modeling, AI literacy, Data Ethics, Cloud Computing, Artificial Intelligence, Collaboration
Beginner · Specialization · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Team Performance Management, Project Management, Project Management Institute (PMI) Methodology, Agile Software Development, Agile Project Management, Milestones (Project Management), Project Schedules, Stakeholder Management, Project Documentation, Stakeholder Engagement, Stakeholder Communications, Engineering Documentation, Interpersonal Communications
★ 4.6 (170) · Beginner · Course · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: Structural Engineering, Structural Analysis, Mechanical Engineering, Engineering Analysis, Mechanical Design, Torque (Physics), Engineering, Engineering Design Process, Engineering Calculations, Mechanics
★ 4.8 (1K) · Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Customer Engagement, Sales Pipelines, Power BI, Customer Relationship Management (CRM) Software, Lead Generation, Customer Insights, Resource Allocation, Resource Planning, Scheduling, Customer Relationship Management, Sales Process, Sales Management, Sales Operations, Microsoft Teams, Order Management, Customer Service, Marketing, Marketing Automation, Prospecting and Qualification, Business Reporting
★ 4.5 (86) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Containerization, Cloud-Native Computing, Development Environment, Application Deployment, Software Development
★ 4.3 (6) · Intermediate · Course · 1 - 4 Weeks

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

Macquarie University
Skills you'll gain: Pivot Tables And Charts, Sample Size Determination, Interactive Data Visualization, Data Visualization, Statistical Inference, Data Visualization Software, Statistical Hypothesis Testing, Statistics, Data-Driven Decision-Making, Microsoft Excel, Correlation Analysis, Descriptive Statistics, Probability & Statistics, Data Analysis, Forecasting, Regression Analysis, Data Literacy, Statistical Modeling, Statistical Visualization, Data Presentation
★ 4.7 (119) · Beginner · Specialization · 3 - 6 Months

Imperial College London
Skills you'll gain: Clinical Trials, Research Design, Epidemiology, Clinical Research, Research Methodologies, Public Health, Science and Research, Research, Statistical Analysis, Data Analysis
★ 4.8 (621) · Intermediate · Course · 1 - 4 Weeks