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.

LearnQuest
Skills you'll gain: Continuous Monitoring, Security Management, Security Strategy, Risk Management Framework, Cyber Risk, Threat Management, Cyber Security Strategy, Cloud Security, Computer Security Incident Management, Security Controls, Cyber Threat Intelligence, Incident Response, Risk Analysis, Cloud Standards, Scalability, Interoperability
Beginner · Course · 1 - 4 Weeks

University of Arizona
Skills you'll gain: Water Resources, Environment, Climate Change Programs, Hydrology, Environmental Science, Biology, Environmental Monitoring, Water Sustainability, Life Sciences, Sustainable Systems, Natural Resource Management, Experimentation, Research, Data Collection, Innovation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Endpoint Security, Mobile Security, Cloud Security, Application Security, Cloud Deployment, Malware Protection, Information Systems Security, Security Controls, Virtual Machines, Enterprise Application Management, Virtualization, Firewall, Virtualization and Virtual Machines, Intrusion Detection and Prevention, Containerization, User Provisioning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Seaborn, Plotly, Data Visualization, Data Visualization Software, Interactive Data Visualization, Data Analysis, Python Programming, Predictive Modeling, Data Science, Jupyter, Computing Platforms
Intermediate · Guided Project · Less Than 2 Hours
Cisco Learning and Certifications
Skills you'll gain: Multiprotocol Label Switching, Network Planning And Design, Virtual Private Networks (VPN), Network Troubleshooting, Routing Protocols, Border Gateway Protocol, Network Engineering, Network Routers, Network Monitoring, Open Shortest Path First (OSPF), Network Routing, Wide Area Networks, Network Performance Management, Network Support, Network Protocols, Service Level, Network Architecture, Data Structures, System Configuration, Configuration Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Plotly, Interactive Data Visualization, Plot (Graphics), Data Visualization Software, Ggplot2, Exploratory Data Analysis, Data Analysis, Python Programming, Data Science, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Data Loss Prevention, Google Cloud Platform, Vulnerability Management, Personally Identifiable Information, Email Security, Data Security, Infrastructure Security, Event Monitoring, Threat Detection, Malware Protection, Continuous Monitoring, System Monitoring, Real Time Data, Automation
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Requirements Analysis, Risk Management Framework, Risking, Scalability, Software Visualization
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Accounting, Accounting, Financial Reporting, Balance Sheet, Income Statement, General Accounting, Generally Accepted Accounting Principles (GAAP), Finance, Financial Forecasting, Equities, Annual Reports, Return On Investment, Business Valuation
Build toward a degree
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Amazon DynamoDB, Amazon Web Services, NoSQL, Database Development, Database Management, Query Languages, Database Design, Development Environment, Command-Line Interface, Software Development Tools, Performance Tuning, Scalability, Capacity Management, Software Installation
Intermediate · Course · 1 - 3 Months

Peking University
Skills you'll gain: Memory Management, Data Structures, Algorithms, Performance Tuning, Information Management, Theoretical Computer Science, File Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Model Training, Data Import/Export, Model Evaluation, No-Code Development, Exploratory Data Analysis, Predictive Modeling, Applied Machine Learning, Data Pipelines, Machine Learning Software, Data Preprocessing, Data Analysis, Machine Learning, Predictive Analytics
Beginner · Guided Project · Less Than 2 Hours