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.

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Authentications, Cloud Security, Cybersecurity, Threat Detection, Security Awareness, Cyber Attacks, Network Security, Vulnerability Assessments, Cloud Computing, Data Security, Identity and Access Management, Human Factors (Security), Software As A Service
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: AI Personalization, Fraud detection, Data Management, Responsible AI, Big Data, Data Ethics, Generative Adversarial Networks (GANs), AI Enablement, AI Product Strategy, Machine Learning Algorithms, Data Governance, Business Strategies, Data Security, Governance, Human Resources, Analytics, Deep Learning, Credit Risk, Machine Learning, Data-Driven Decision-Making
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Content Marketing, Digital Media Strategy, AI Personalization, Marketing Analytics, Customer Insights, Market Intelligence, Ethical Standards And Conduct
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, File Systems, Operating Systems, Authentications, Information Technology Infrastructure Library, Microsoft Windows, Linux, Linux Administration, Authorization (Computing), Desktop Support, Identity and Access Management, IT Service Management, Systems Administration, Virtualization, Virtualization and Virtual Machines, Mac OS, IT Management, Cloud Computing, Information Systems Security, User Accounts
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Hardware, Hardware Architecture, Hardware Troubleshooting, Data Storage Technologies, System Configuration, Computer Architecture, Peripheral Devices, Computer Displays
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Web Scraping, Pandas (Python Package), Data Presentation, Data Visualization, Data Analysis, Data Processing, Data Science, Python Programming, Data Manipulation, Jupyter, Data Collection
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Customer Analysis, Customer Retention, Marketing Analytics, Customer Insights, Strategic Decision-Making, Product Strategy, Data Analysis, Product Management, Data-Driven Decision-Making, Advanced Analytics, Unsupervised Learning, Technical Documentation, Performance Measurement, Machine Learning Algorithms
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: AI Security, Cybersecurity, Cyber Attacks, Fraud detection, Email Security, Threat Detection, Jupyter, Authentications, Intrusion Detection and Prevention, Machine Learning Algorithms, Artificial Intelligence, Multi-Factor Authentication, Anomaly Detection, Natural Language Processing, Machine Learning, Supervised Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Endpoint Security, Cybersecurity, Compliance Auditing, IT Service Management, Cyber Governance, Regulatory Compliance, Cyber Risk, Encryption, Law, Regulation, and Compliance, Compliance Management, ISO/IEC 27001, Information Technology, Patch Management, User Accounts, Risk Management, Regulatory Requirements, Data Ethics, NIST 800-53, Responsible AI, AI Security
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Database Management Systems, Relational Databases, Data Modeling, Database Management, Databases, SQL, Oracle Databases, MySQL, Query Languages
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Web Development Tools, Web Development, Hypertext Markup Language (HTML), HTML and CSS, Web Design and Development, Web Applications, Web Design, Web Servers, Development Environment, Apache, Software Development, Web Content, Front-End Web Development, Semantic Web, Information Architecture
Mixed · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Security Strategy, Cyber Governance, Security Management, Cyber Risk, Compliance Management, Risk Management, Regulatory Compliance, Cyber Security Policies, Cybersecurity, Law, Regulation, and Compliance, Cyber Security Strategy, Governance, NIST 800-53, Security Controls, Procedure Development, Data Governance, Program Standards, Computer Security
Mixed · Course · 1 - 4 Weeks