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.

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Business Writing, AI Security, Email Automation, Artificial Intelligence, Marketing Communications, AI Workflows, Copywriting, Strategic Thinking, AI Personalization, Business Communication, Marketing Automation, Content Strategy, Business Risk Management, Ethical Standards And Conduct, Engineering Documentation, Research Reports, Data-Driven Decision-Making, Information Privacy, Security Awareness
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Cryptographic Protocols, Application Design, Exploitation techniques, Event Monitoring, Intrusion Detection and Prevention, Server Side, Continuous Monitoring, Computer Security Incident Management, System Monitoring, System Configuration
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Ruby (Programming Language), Scripting Languages, Scripting, Devops Tools, DevOps, Computer Programming Tools
Intermediate · Guided Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: Economic Development, Community Development, Entrepreneurship, Economics, Project Design, Sustainable Development, Socioeconomics, International Relations, Competitive Analysis, New Business Development, Case Studies, Social Studies, Innovation, Policy Development, Governance, Natural Resource Management
Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Quantitative Research, Scientific Methods, Research Design, Science and Research, Research Methodologies, Research, Research and Design, Data Collection, Social Sciences, Peer Review, Experimentation, Data Analysis, Psychology
Beginner · Course · 1 - 3 Months

Skills you'll gain: File Management, Document Management, Microsoft Power Automate/Flow, Email Automation, Version Control, Microsoft Power Platform, Intranet, Automation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Network Troubleshooting, Network Security, OSI Models, Network Monitoring, Network Performance Management, Network Architecture, Computer Networking, TCP/IP, General Networking, Local Area Networks, Cybersecurity, Network Analysis, Network Protocols, Network Infrastructure, Network Support, Information Systems Security, Software-Defined Networking, Network Administration, Network Planning And Design, Network Routing
Build toward a degree
Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Ansible, IT Automation, Devops Tools, Automation, DevOps, YAML, Linux, Encryption, Security Controls, System Configuration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Artificial Intelligence and Machine Learning (AI/ML), Model Training, Digital Transformation, Artificial Intelligence, Business Transformation, Cloud Solutions, Responsible AI, Business Intelligence, AI literacy, Data Ethics, Data Quality, Machine Learning, Natural Language Processing, Model Deployment, Applied Machine Learning, Cloud API, Data Analysis, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Manufacturing Operations, Production Planning, Digital Transformation, Digital Assets, Technology Strategies, Business Transformation, Internet Of Things, Simulation and Simulation Software, Emerging Technologies, Real Time Data, Data Integration, Trend Analysis, Risk Analysis, Business, Systems Integration, Case Studies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Centers, Ansible, Open Shortest Path First (OSPF), Routing Protocols, Network Switches, Computing Platforms, Software-Defined Data Center (SDDC), Virtual Networking, Virtual Local Area Network (VLAN), IT Automation, Security Controls, Network Infrastructure, Devops Tools, Network Engineering, Border Gateway Protocol, Network Routers, Network Routing, Infrastructure Security, Network Monitoring, Data Storage Technologies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Windows PowerShell, Scripting, Microsoft Windows, Shell Script, Scripting Languages, Command-Line Interface, IT Automation
Beginner · Course · 1 - 4 Weeks