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: Network Troubleshooting, Network Performance Management, Technical Communication, Technical Support and Services, Network Support, Technical Support, Debugging, End User Training and Support, Help Desk Support, Problem Management, Network Analysis
★ 5 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Contingency Planning, Business Continuity Planning, Computer Security Incident Management, Security Management, Incident Response, Disaster Recovery, Data Centers, Incident Management, Security Controls, Cybersecurity, Infrastructure Security, Configuration Management, Change Control, Digital Forensics, Scenario Testing
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Sampling (Statistics), Bayesian Statistics, Probability & Statistics, Statistical Inference, Statistical Methods, Statistics, Probability, Probability Distribution, Data Analysis, Statistical Analysis, Biostatistics, Statistical Hypothesis Testing, R Programming
★ 4.4 (544) · Mixed · 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

Skills you'll gain: Power Apps Component Framework, Business Process Automation, No-Code Development, Microsoft Power Platform, Automation, Application Development, Microsoft 365, Data Integration
Intermediate · Guided Project · Less Than 2 Hours

Yale University
Skills you'll gain: Global Positioning Systems, Geospatial Information and Technology, Communication Systems, Mechanics, General Science and Research, Physics, Environmental Monitoring
★ 4.9 (680) · Beginner · Course · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Prompt Engineering, Multimodal Prompts, Prompt Engineering Tools, Prompt Patterns, ChatGPT, Generative AI, Large Language Modeling, AI Workflows, Generative AI Agents, AI powered creativity, AI literacy, Image Analysis, AI Personalization, Automation, Data Analysis, AI Integrations, Data Synthesis, Artificial Intelligence
★ 4.6 (16) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Google Cloud Platform, SQL, Dashboard, Big Data, Data Visualization Software, Dashboard Creation, Applied Machine Learning, Data Access, Data Transformation, Query Languages, Machine Learning, Data Cleansing, Model Evaluation, Model Training, Data Analysis, Data Wrangling, Analytics, Database Design, Data Architecture
★ 4.5 (13) · Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Linux, Linux Administration, Linux Commands, File Management, Linux Servers, User Accounts, File Systems, Unix, OS Process Management, Unix Shell, Command-Line Interface, User Provisioning, General Networking, Shell Script, Operating Systems, File I/O, Network Support, Remote Access Systems, Scripting, Dataflow
★ 4.6 (10) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Medical History Documentation, Child Health, Childbirth, Airway Management, Pediatric First Aid, Hazardous Waste Operations And Emergency Response Standard (HAZWOPER), Maternal Health, Emergency Medical Services, Emergency Medicine, Pediatrics, Postpartum Care, Patient Transport, Respiratory Care, Prenatal Care, Obstetrics And Gynecology, Patient Evaluation, Patient Transfer Equipment, Environment Health And Safety, Health Assessment, Pathology
★ 4.8 (313) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Network Troubleshooting, Microsoft Azure, Virtual Networking, Virtual Machines, Load Balancing, System Configuration, Cloud Security, Network Planning And Design, Network Security, Cloud Storage, Cloud Management, Data Storage, Data Security, Performance Tuning
★ 4.8 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Keras (Neural Network Library), Deep Learning, PyTorch (Machine Learning Library), Computer Vision, Machine Learning, Python Programming
★ 4.5 (695) · Advanced · Course · 1 - 4 Weeks