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.

Board Infinity
Skills you'll gain: White-Box Testing, Test Planning, Test Case, Software Testing, Software Documentation, Software Quality Assurance, Test Automation, Code Review, Test Data, Issue Tracking, Software Technical Review, Quality Assurance, Development Environment, Technical Communication
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Global Marketing, Marketing, Brand Management, Branding, Marketing Management, Marketing Strategies, Innovation, Consumer Behaviour, Market Analysis, New Business Development, Market Opportunities, Product Development, Market Intelligence, Business Strategy
★ 4.7 (1K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Network Routing, Amazon Web Services, Servers, Network Monitoring
★ 4.4 (27) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Game Design, Human Computer Interaction, Program Development, Code Reusability, Python Programming, Programming Principles, Computer Programming, Mathematical Software, Data Analysis
★ 4.7 (288) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Retrieval-Augmented Generation, Responsible AI, Containerization, AI Orchestration, Scalability, Docker (Software), Agentic Workflows, Application Deployment, AI Workflows, Generative AI Agents, Prompt Patterns, LangChain, Microsoft Azure, Microservices, Artificial Intelligence, Prompt Engineering, Distributed Computing, Serverless Computing, Reinforcement Learning, Natural Language Processing
★ 3.4 (22) · Intermediate · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Pivot Tables And Charts, Dashboard Creation, Microsoft Excel, Dashboard, Excel Formulas, Depreciation, Spreadsheet Software, Regression Analysis, Data Management, Case Studies, Financial Analysis, Financial Modeling, Cash Flows, Finance, Data Validation, Data Analysis, Loans, Problem Solving, Model Optimization
★ 4.7 (572) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Security, Information Management, Security Controls, Configuration Management, Threat Management, Secure Coding, Vulnerability Assessments, System Configuration, Asset Management, Cloud Security, Patch Management, Cloud Management, Software Development Life Cycle, Asset Protection, Cloud Computing, Change Control, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Generative AI, Data Presentation, Data Ethics, Interactive Data Visualization, Data Visualization, Matplotlib, Exploratory Data Analysis, Pandas (Python Package), Plotly, Data Manipulation, Generative Model Architectures, Data Transformation, Data Visualization Software, Generative Adversarial Networks (GANs), Data Cleansing, Data Wrangling, Scikit Learn (Machine Learning Library), Data Analysis, Machine Learning
★ 4.4 (112) · Beginner · Course · 1 - 3 Months

Tencent Cloud
Skills you'll gain: Data Storage Technologies, Cloud Computing, Cloud Platforms, Database Management, Cloud Storage, Cloud Security, Data Storage, Cloud Infrastructure, Cloud Services, Cloud Computing Architecture, Cloud Solutions, Databases, Public Cloud, Cloud Standards, Cloud Deployment, Virtual Machines, Virtual Networking, Application Security, Load Balancing, Distributed Denial-Of-Service (DDoS) Attacks
★ 4.7 (56) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Docs, Gmail, Google Sheets, Google Workspace, Calendar Management, Presentations, Setting Appointments, Data Validation, Spreadsheet Software, Data Visualization, Sales Presentation, Excel Macros, Document Management, Email Security, Collaborative Software, Meeting Facilitation, Scheduling, Productivity Software, Data Entry, Business Solutions
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Management, Distributed Denial-Of-Service (DDoS) Attacks, Digital Transformation, Serverless Computing, Containerization, Business Transformation, Cloud Infrastructure, Google Cloud Platform, Cloud Solutions, Artificial Intelligence and Machine Learning (AI/ML), Encryption, Data Warehousing, Cloud Security, Dataflow, AI Enablement, Cloud Services, Data Governance, Cloud Computing, Looker (Software), Cost Management
★ 5 (6) · Beginner · Specialization · 3 - 6 Months

Georgia Institute of Technology
Skills you'll gain: Structural Analysis, Structural Engineering, Engineering Design Process, Failure Analysis, Engineering Analysis, Mechanical Design, Engineering Calculations, Mechanical Engineering, Mechanics, Integral Calculus, Calculus, Differential Equations
★ 4.8 (807) · Intermediate · Course · 1 - 4 Weeks