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.

Amazon Web Services
Skills you'll gain: Amazon Web Services, Database Administration, Relational Databases, Database Software, IT Automation
★ 4.9 (14) · Mixed · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Proposal Development, Market Research, Data Collection, Research Design, Proposal Writing, Research Reports, Research Methodologies, Business Research, Marketing Management, Marketing, Surveys, Report Writing, Research, Qualitative Research, Data Analysis, Focus Group, Business Ethics
★ 4.5 (80) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Reinforcement Learning, Google Cloud Platform, GitHub, Tensorflow, Machine Learning, Game Design
★ 3.7 (10) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Active Listening, Communication Strategies, Business Communication, Communication, Strategic Communication, Professional Development, Verbal Communication Skills, Professionalism, Emotional Intelligence, Sales Presentation, Empathy & Emotional Intelligence, Adaptability, Sales Training, General Sales Practices, Technical Sales, Sales Presentations, Sales, Job Analysis, Personal Attributes, Branding
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Agentic Workflows, Tool Calling, Generative AI Agents, Retrieval-Augmented Generation, LLM Application, Agentic systems, Debugging, General Science and Research, Document Management
★ 4.7 (89) · Beginner · Project · Less Than 2 Hours
Emory University
Skills you'll gain: Social Media Analytics, Social Media Marketing, Social Media, Marketing Analytics, Social Media Management, Customer Analysis, Consumer Behaviour, Data Mining, Customer Insights, Market Analysis, Data Analysis Software, Trend Analysis, Research, Peer Review
★ 4.3 (112) · Mixed · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Storage vMotion, vCenter Server, VMware ESX Servers, VMware vSAN, Data Migration, Amazon Web Services, Virtual Machines, Cloud Hosting, NSX-T Network Virtualization, Cloud Infrastructure, Amazon Elastic Compute Cloud, AWS CloudFormation, Cloud Management, Enterprise Application Management, Cloud Solutions, AWS Identity and Access Management (IAM), Public Cloud, Cloud Computing Architecture, Application Performance Management, Verification And Validation
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Analysis, Sales Strategy, Sales, Data Analysis Software, Data Analysis, Query Languages, Database Software, Trend Analysis, Databases, Customer Insights, Performance Analysis, Product Assortment
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Data Lakes, Data Processing, Google Cloud Platform, Data Warehousing, Data Integration, Data Management, Data Pipelines, Data Governance, Data Access, Analytics, Data Security, Identity and Access Management, Automation
★ 2.8 (10) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Incident Response, Email Security, Email Automation, Incident Management, Computer Security Incident Management, Threat Management, Threat Detection, IT Automation, Google Cloud Platform
★ 4.2 (6) · Intermediate · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Research Design, Institutional Review Board (IRB), Science and Research, Laboratory Research, Research Methodologies, Research, Consumer Behaviour, Sensory Systems Analysis, Influencing, Marketing Psychology, Case Studies, Persuasive Communication, Statistical Analysis, Psychological Evaluations, Ethical Standards And Conduct, Data Analysis, Data Collection, Advertising, Behavioral Economics, Marketing Communications
★ 4.5 (45) · Intermediate · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Security Testing, Cyber Threat Intelligence, Cyber Risk, AI Integrations, Cyber Attacks, Cyber Security Assessment, Cybersecurity, IT Security Architecture, Security Controls, Threat Modeling, Security Strategy, Data Ethics, Security Engineering, Threat Detection, Data Governance, Data Security, Security Management, Information Privacy, Emerging Technologies
★ 4.6 (25) · Beginner · Course · 1 - 3 Months