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.

Microsoft
Skills you'll gain: Microsoft 365, Microsoft Office, Collaborative Software, Microsoft Teams, Productivity Software, Endpoint Security, Security Controls, Business Process Automation, Automation, Microsoft Outlook, Data Security, Cloud Applications, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
★ 4.6 (142) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), LangChain, AI Orchestration, Natural Language Processing, Generative AI Agents, Agentic Workflows, Multimodal Prompts, AI Integrations, Artificial Intelligence, Agentic systems, Machine Learning Methods, Python Programming, Machine Learning, System Design and Implementation, Data Science
Intermediate · Specialization · 1 - 3 Months
Skills you'll gain: Email Marketing, Campaign Management, Copywriting, Marketing Strategy and Techniques, Personally Identifiable Information, Email Automation, Digital Marketing Campaigns, Digital Marketing, Digital Marketing Tools, Marketing Automation, Campaign Planning, HubSpot CRM, Information Privacy, Marketing Analytics, Promotional Strategies, Data Ethics, Smart Goals, Customer Retention, Key Performance Indicators (KPIs), Goal Setting
★ 4.8 (2.9K) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Bioinformatics, Unix Commands, grep, Biostatistics, R (Software), Exploratory Data Analysis, Statistical Analysis, Unix Shell, Unix, Data Science, Data Management, Statistical Methods, Information Management, Command-Line Interface, Statistical Hypothesis Testing, Data Structures, Big Data, Molecular Biology, R Programming, Python Programming
★ 4.5 (6.8K) · Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Docs, Google Workspace, Productivity Software, Collaborative Software, Document Management, File Management, Version Control, Editing, Cloud Storage
★ 4.7 (416) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Content Performance Analysis, Multimedia, Microsoft PowerPoint, Microsoft Copilot, Microsoft Word, Microsoft Outlook, Microsoft Excel, Microsoft Teams, Spreadsheet Software, Presentations, Microsoft 365, Microsoft Office, Email Automation, Content Creation, Productivity Software, Collaborative Software, Generative AI, Data Visualization, Data Analysis, Business Communication
★ 4.7 (6.3K) · Beginner · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Prompt Engineering, Scientific Visualization, Image Analysis, Data Visualization Software, File I/O, Matlab, Algorithms, Machine Learning Methods, User Interface (UI), Applied Machine Learning, Prompt Patterns, UI Components, Human Computer Interaction, ChatGPT, LLM Application, Large Language Modeling, Computer Programming, Code Reusability, Data Analysis, Functional Design
★ 4.8 (18K) · Beginner · Specialization · 3 - 6 Months

ISC2
Skills you'll gain: System Configuration, Configuration Management, Cyber Operations, Cybersecurity, Security Awareness, Computer Security Awareness Training, Data Security, Security Controls, Security Management, Event Monitoring, Encryption, Network Security, Continuous Monitoring, Network Administration, IT General Controls (ITGC), Cyber Security Policies, Information Technology Operations, System Monitoring, Patch Management, Cryptography
★ 4.7 (209) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), Microsoft Azure, Cloud API, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), User Accounts, Image Analysis, Artificial Intelligence, Cloud Computing, Software Development
★ 4.5 (531) · Intermediate · Guided Project · Less Than 2 Hours
Macquarie University
Skills you'll gain: Pivot Tables And Charts, Data Storytelling, Power BI, Data Presentation, Microsoft Excel, Excel Formulas, Dashboard Creation, Data Visualization Software, Data Visualization, Interactive Data Visualization, Dashboard, Data Cleansing, Data Manipulation, Data Preprocessing, Spreadsheet Software, Excel Macros, Data Wrangling, Data Processing, Tree Maps, Data Analysis
★ 4.8 (6.1K) · Intermediate · Specialization · 3 - 6 Months

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Internet Of Things, Wireless Networks, General Networking, Emerging Technologies, Networking Hardware, Embedded Software, TCP/IP, Electronic Hardware, Embedded Systems, Information Technology Architecture, Programming Principles, Electronic Components, Computing Platforms, Development Environment, Problem Solving
★ 4.6 (1.8K) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Loss Prevention, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Threat Management, Security Controls, Information Systems Security, Google Cloud Platform, Data Security, Threat Detection, Malware Protection, Continuous Monitoring, IT Automation, Event Monitoring, Identity and Access Management
★ 4.7 (724) · Intermediate · Course · 1 - 4 Weeks