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.

Skills you'll gain: Data Pipelines, Data Maintenance, Data Storage, Data Processing, Google Cloud Platform, Cloud Storage, Data Analysis, Data Infrastructure, Data Architecture, Cloud Security, Data Preprocessing, Automation
★ 4.6 (1K) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, Software Architecture, Full-Stack Web Development, Software Design, Web Design and Development, Web Development, Software Development Methodologies, Software Design Patterns, Development Environment, Unified Modeling Language, Software Engineering, Web Applications, Software Development Tools, Software Development, Application Deployment, Programming Principles, Front-End Web Development, Web Language, Python Programming
★ 4.7 (4.7K) · Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Disabilities, Web Content Accessibility Guidelines, Education and Training, Multimedia, Educational Materials, Adaptive Equipment, Pedagogy, Hypertext Markup Language (HTML), Developmental Disabilities, Instructional Design, Visual Impairment Education, Diversity Awareness, Labor Law, Law, Regulation, and Compliance, Family and Medical Leave Act of 1993, Microsoft Office
★ 4.6 (249) · Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Agentic systems, Retrieval-Augmented Generation, Vector Databases, Agentic Workflows, Generative AI Agents, MongoDB, Model Context Protocol, Scalability, Embeddings, AI Workflows, Node.JS, PostgreSQL, Data Integration, Database Management, API Design, Data Transformation, Data Structures, Data Storage, Software Installation
Advanced · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Cyber Risk, Cyber Security Policies, Security Management, Cybersecurity, Risk Management, Cyber Security Strategy, Cyber Attacks, Cyber Governance, Cyber Threat Intelligence, Threat Modeling, Infrastructure Security, Telecommunications, Computer Security Awareness Training, Enterprise Security, Security Awareness, General Networking, Exploitation techniques, Data Security, Governance
★ 4.7 (3.3K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: MySQL, Stored Procedure, Database Management, SQL, Transaction Processing, Databases, Database Development, JSON, Relational Databases, Query Languages, Advanced Analytics, Performance Tuning, Data Analysis
★ 4.7 (257) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Workspace, Calendar Management, Setting Appointments, Collaborative Software, Productivity Software, Scheduling, Event Management, Data Sharing
★ 4.7 (381) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Kubernetes, Google Cloud Platform, Containerization, Cloud Applications, Load Balancing, Cloud Management, Infrastructure As A Service (IaaS), Cloud Engineering, Cloud Computing, Cloud Solutions, Cloud Computing Architecture, Cloud Services, Application Deployment, Data Storage Technologies, Data Storage, Cloud Storage, Infrastructure Architecture, Terraform
★ 4.8 (1.7K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Oracle Cloud, Oracle Databases, Identity and Access Management, Cloud Computing Architecture, Cloud Infrastructure, Oracle Cloud Applications, Database Application, Cloud Security, Data Storage, User Provisioning, Computing Platforms, Cloud Services, Cloud Storage, Data Storage Technologies, Cloud Platforms, Cloud Computing, Infrastructure As A Service (IaaS), Serverless Computing, Data Security, Authorization (Computing)
★ 4.7 (243) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Gmail, Google Docs, Google Sheets, Google Workspace, Presentations, Calendar Management, Spreadsheet Software, File Management, Version Control, Productivity Software, Data Visualization, Meeting Facilitation, Document Management, Setting Appointments, Email Security, Email Automation, Sales Presentations, Event Management, Cloud Storage, Collaborative Software
★ 4.7 (647) · Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Vital Signs, Blood Pressure, Respiration, Respiratory Care, Pulmonology, Pain Management, Physiology, Hemodynamics, Health Assessment, Cardiology, Thermal Management, Capillary, Neurology, Anatomy, Clinical Assessment
★ 4.8 (6.9K) · Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Generative Adversarial Networks (GANs), Anomaly Detection, AI Security, Fraud detection, Model Evaluation, Malware Protection, Cybersecurity, Threat Detection, Feature Engineering, Network Analysis, Cyber Attacks, Cyber Security Strategy, Classification Algorithms, Email Security, Network Security, Jupyter, Authentications, Machine Learning Methods, Machine Learning Algorithms, Artificial Intelligence
★ 4.3 (128) · Intermediate · Specialization · 3 - 6 Months