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.

Coursera
Skills you'll gain: Event Management, Blogs, Web Presence, Content Management, Photo Editing, Editing, Writing and Editing, Web Design, Digital Publishing, Web Design and Development, No-Code Development, User Accounts, Brand Management, Drive Engagement, Digital Marketing, Public Relations
Beginner · Guided Project · Less Than 2 Hours

New York University
Skills you'll gain: Authentications, Public Key Infrastructure, Cryptographic Protocols, Public Key Cryptography Standards (PKCS), Cryptography, Data Encryption Standard, Computer Security, Cybersecurity, Network Security, Security Controls, Cyber Attacks, Encryption, Key Management, Multi-Factor Authentication, Single Sign-On (SSO)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Engagement, Journey Mapping, Stakeholder Management, Customer Engagement, Consultative Approaches, Stakeholder Communications, Agile Methodology, Stakeholder Analysis, Requirements Elicitation, SAP Applications, SAP S/4HANA, Customer Analysis, Technical Consulting, Customer Insights, Consulting, Process Analysis, Solution Design, Business Analysis, Project Management, Business Requirements
Beginner · Course · 1 - 3 Months
Skills you'll gain: Infrastructure As A Service (IaaS), Cloud Deployment, Cloud Infrastructure, Cloud Services, Cloud Computing, Service Level Agreement, Cloud Platforms, Service Level, Virtualization, Application Deployment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Security, Cloud Security, Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Incident Management, Vulnerability Management, Risk Management Framework, Malware Protection, Security Management, Threat Management, Application Security, Cloud Computing, Cybersecurity, Cyber Attacks, Disaster Recovery, Vulnerability Assessments, Threat Detection, Network Security, Risk Management
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Security Testing, DevSecOps, Threat Modeling, Vulnerability Scanning, Continuous Monitoring, Vulnerability Assessments, Application Performance Management, System Monitoring, Vulnerability Management, Development Environment, Security Controls, DevOps, Data Security, Software Development Life Cycle
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Google Gemini, AI literacy, Google Cloud Platform, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Active Directory, Azure Active Directory, Virtual Machines, Group Policy, Hyper-V, Microsoft Servers, Windows Servers, Virtualization and Virtual Machines, Cloud Infrastructure, Containerization, Virtualization, Remote Access Systems, Microsoft Azure, Virtual Private Networks (VPN), Virtual Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Hybrid Cloud Computing, Windows PowerShell, Data Storage Technologies
Intermediate · Specialization · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Data-Driven Decision-Making, Business Analytics, Operational Efficiency, Peer Review, Marketing Strategies, Data Analysis, Marketing Effectiveness, Data Strategy, Performance Measurement, Operations, Business Strategy, Strategic Decision-Making, Analysis, People Analytics, Business Metrics, Online Advertising, Digital Advertising, Presentations, Problem Management, Advertising
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Self-Awareness, Teaching, Education and Training, Empathy & Emotional Intelligence, Journals, Pedagogy, Empathy, Growth Mindedness, Tenacity, Persistence, Relationship Building
Advanced · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Chronic Diseases, Parent Communication, Care Management, Pediatric First Aid, Care Coordination, Psychosocial Assessments, Medical Emergency, Health Education, First Aid, Patient Education and Support, Pediatrics, Emergency Response, Pulmonology, Pediatric Nursing, Nursing Care, Respiratory Care, Patient Communication, Food Safety and Sanitation, Nursing, Airway Management
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Climate Change Mitigation, Climate Change Programs, Risk Management, Climate Change Adaptation, Mitigation, Risk Mitigation, Environmental Policy, Environmental Issue, Corporate Sustainability, Pollution Prevention, Environmental Resource Management, Persuasive Communication, Interpersonal Communications, Media and Communications, Social Sciences, Social Impact, Sustainable Systems, Scientific Methods, Energy and Utilities, Vulnerability
Beginner · Specialization · 1 - 3 Months