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.

Rutgers the State University of New Jersey
Skills you'll gain: Competitive Intelligence, Competitive Analysis, Data Storytelling, Business Intelligence, Business Analytics, Market Share, Data Analysis, Management Consulting, Business Strategy, Strategic Thinking, Consulting, Market Analysis, Performance Analysis, Performance Measurement, Benchmarking, Key Performance Indicators (KPIs), Business Metrics, Root Cause Analysis, Risk Analysis, Financial Analysis
★ 4.4 (248) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Managed Services, Google Cloud Platform, Big Data, Apache Hadoop
★ 4 (11) · Beginner · Project · Less Than 2 Hours

Shanghai Jiao Tong University
Skills you'll gain: Combinatorics, Graph Theory, Theoretical Computer Science, Network Model, Mathematical Theory & Analysis, Advanced Mathematics, Network Analysis, Mathematics and Mathematical Modeling, Logical Reasoning, General Mathematics, Algorithms, Probability, Computer Science
★ 3.3 (203) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Migration, PostgreSQL, Google Cloud Platform, Database Administration, Database Management, Operational Databases, Data Access, Virtual Private Networks (VPN), Data Management
★ 4.3 (17) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Network Monitoring, Network Infrastructure, Cyber Attacks, Computer Security Incident Management, Operating Systems, Linux, Bash (Scripting Language), Databases
★ 4.8 (85) · Beginner · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Digital Transformation, Data Sharing, Manufacturing Operations, Business Transformation, Data Storage Technologies, Document Management, Product Lifecycle Management, Data Storage, Process Management, Data Strategy, Interoperability, Goal Setting, Knowledge Transfer
★ 4.6 (820) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Data Ethics, Data Cleansing, Data Preprocessing, Data Analysis, Responsible AI, Transfer Learning, AI Integrations, Exploratory Data Analysis, Anomaly Detection
★ 4.3 (97) · Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: SQL, Data Quality, Complex Problem Solving, JSON, Business Metrics, Business Reporting, Data Validation, Data Presentation, Forecasting, Data Analysis, Predictive Analytics
★ 4.2 (24) · Intermediate · Course · 1 - 4 Weeks

National Academy of Sports Medicine
Skills you'll gain: Nutrition and Diet, Nutrition Counseling, Nutrition Education, Meal Planning And Preparation, Nutritional Assessment, Sports Medicine, Exercise Science, Health Assessment, Patient Education And Counseling, Food and Beverage, Health Promotion, Athletic Training, Regulatory Compliance, Clinical Nutrition, Psychology, Scientific Methods, Medical Science and Research, Life Sciences
★ 4.7 (202) · Beginner · Specialization · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: Structural Engineering, Structural Analysis, Mechanical Engineering, Engineering Analysis, Mechanical Design, Torque (Physics), Engineering, Engineering Design Process, Engineering Calculations, Mechanics
★ 4.8 (1K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Network Planning And Design, Microsoft Azure, Network Troubleshooting, Network Security, Network Architecture, Network Monitoring, Load Balancing, Virtual Networking, Network Engineering, Network Performance Management, Network Administration, Network Infrastructure, Cloud Engineering, IT Security Architecture, Scalability, Firewall, Virtual Private Networks (VPN), Performance Tuning, Cloud Deployment, Wide Area Networks
★ 4.8 (129) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Ansible, Infrastructure as Code (IaC), Devops Tools, YAML, IT Automation, Docker (Software), Containerization, Amazon Web Services, Data Security, Performance Tuning, Configuration Management
★ 4.5 (17) · Beginner · Course · 1 - 4 Weeks