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.

SAE Institute México
Skills you'll gain: Exploitation techniques, Penetration Testing, Vulnerability Scanning, Cyber Operations, Vulnerability Assessments, Cybersecurity, Information Systems Security, Security Testing, General Networking, Network Protocols
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Cybersecurity, Network Security, Internet Of Things, Cyber Security Strategy, Infrastructure Security, Cyber Attacks, Communication Systems, Network Protocols, Infrastructure Architecture, Network Architecture, Network Infrastructure, Data Security, Distributed Computing, Information Privacy, Automation
Beginner · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Marketing Planning, Surveys, Consumer Behaviour, Survey Creation, Market Research, Product Lifecycle Management, Marketing Strategies, Strategic Marketing, Marketing Strategy and Techniques, Marketing Effectiveness, Marketing Communications, Product Management, Data Analysis, Product Strategy, Product Lining, Marketing, Target Market, Value Propositions, Product Marketing, Market Data
★ 4.6 (1.2K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Routing Protocols, Network Protocols, Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Network Infrastructure, TCP/IP, Border Gateway Protocol, Network Architecture, Network Engineering, General Networking, OSI Models, Wireless Networks, Network Routing, Network Troubleshooting, Network Administration, Network Switches, Local Area Networks, System Configuration
★ 4.3 (10) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Data Visualization Software, PySpark, Data Visualization, Snowflake Schema, Data Storytelling, Site Reliability Engineering, Docker (Software), Databricks, Containerization, GitHub Copilot, Interactive Data Visualization, Plot (Graphics), Plotly, Data Pipelines, Kubernetes, Apache Spark, Apache Hadoop, Big Data, Data Science, Python Programming
★ 3.8 (128) · Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Epidemiology, Trend Analysis, Chronic Diseases, Public Health, Public Health and Disease Prevention, Event Monitoring, Infection Control, Data Analysis, Descriptive Analytics, Technical Communication, Anomaly Detection, Infectious Diseases, Law, Regulation, and Compliance, Data Collection, Information Privacy
★ 4.7 (389) · Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Public Policies, Policy Analysis, Economics, Policy, and Social Studies, Social Impact, Social Sciences, Sociology, Community Development, Trend Analysis, Psychology, Media and Communications
★ 4.8 (455) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Natural Language Processing, Microsoft Azure, Computer Vision, No-Code Development, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Predictive Modeling, Artificial Intelligence, AI literacy, Responsible AI
★ 4.7 (226) · Beginner · Course · 1 - 4 Weeks

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

HubSpot Academy
Skills you'll gain: Closing (Sales), Booking (Sales), Overcoming Objections, Sales Process, Selling Techniques, Sales Prospecting, HubSpot CRM, Sales, Prospecting and Qualification, General Sales Practices, Sales Strategy, Customer Relationship Management (CRM) Software, Customer Relationship Management, Lead Generation, Negotiation, Business Writing, LinkedIn, Value Propositions, Planning
★ 4.7 (538) · Beginner · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Digital pedagogy, Education Software and Technology, Instructional Design, Problem Solving, Instructional Strategies, digital literacy, Educational Materials, Emerging Technologies, Innovation, Quality Assurance, Planning, Project Management, Learning Strategies, Creative Problem-Solving, Open Mindset, Systems Analysis, Solution Design, Design Strategies, Strategic Decision-Making, Technical Documentation
★ 4.7 (1.3K) · Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Services, Cloud Computing, Cloud Management
★ 4.5 (6) · Beginner · Project · Less Than 2 Hours