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.

Illinois Tech
Skills you'll gain: Operating System Administration, Microsoft Windows, Operating Systems, System Configuration, Firewall, Linux Administration, Linux, System Monitoring, File Systems, System Support, Event Monitoring, Authorization (Computing), File Management, Network Security, Data Security
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Data-Driven Decision-Making, Business Analytics, Operational Efficiency, Peer Review, Business Analysis, Marketing Analytics, Marketing Strategies, Analytics, Data Analysis, Marketing Effectiveness, Data Strategy, Performance Measurement, Operations, Strategic Decision-Making, Business Strategy, Analysis, People Analytics, Business Metrics, Online Advertising, Digital Advertising
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Month End Closing, Inventory Accounting, Inventory Management System, Accounting, Sales Tax, Accounting Software, General Accounting, Reconciliation, Payroll, Payroll Administration, Ledgers (Accounting), Tax Management, Small Business Accounting, Payroll Reporting, Payroll Tax, Payroll Systems, Bookkeeping, Finance, Enterprise Application Management, Business
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Application Deployment, Cloud Infrastructure, Google App Engine, Microservices, CI/CD, API Design, Site Reliability Engineering, Google Cloud Platform, Service Level, Network Architecture, Kubernetes, Restful API, Cloud Computing Architecture, Infrastructure As A Service (IaaS), DevOps, Cloud-Native Computing, Cloud Storage, Cloud Security, Network Planning And Design
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Immigration Law, Case Studies, International Relations, Diplomacy, World History, Social Justice, Sustainable Development, Socioeconomics, Demography, Policy Analysis, Social Sciences, European History
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Calculus, Applied Mathematics, Data Modeling, Model Optimization, Estimation, Graphing, Mathematical Modeling, Data Analysis Software, Algebra, Cost Estimation, Mathematical Software, Linear Algebra, Trigonometry, General Mathematics, Advanced Mathematics, Analysis, Derivatives, Mathematical Theory & Analysis, Geometry, Data Analysis
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Infrastructure As A Service (IaaS), Cloud Deployment, Cloud Infrastructure, Cloud Services, Cloud Computing, Service Level Agreement, Cloud Platforms, Public Cloud, Service Level, Virtualization, Application Deployment
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Maintenance, Google Cloud Platform, Data Store, Database Administration, Database Architecture and Administration, Data Management, Databases, Data Access, Dataflow, Data Import/Export, Query Languages
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Excel Formulas, Spreadsheet Software, Business Reporting, Data Visualization, Interactive Data Visualization, Excel Macros, Data Presentation, Dashboard, Forecasting, Data Analysis, Data Visualization Software, Predictive Modeling, Data Validation, Data Entry, Data Management, Data Security, Data Integrity, Debugging
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Sales Process, Active Listening, Prospecting and Qualification, Business Communication, Sales, Sales Development, Verbal Communication Skills, Selling Techniques, Inside Sales, Communication, Customer Analysis, Technical Sales, Sales Prospecting, Outside Sales, Interviewing Skills
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Docker (Software), Prometheus (Software), Cloud-Native Computing, Containerization, Package and Software Management, CI/CD, Grafana, DevOps, YAML, Application Deployment, Role-Based Access Control (RBAC), Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Predictive Modeling, Predictive Analytics, Model Evaluation, Exploratory Data Analysis, Logistic Regression, Data Presentation, Business Analytics, Analytics, Statistical Visualization, Statistical Modeling, Data-Driven Decision-Making, Regression Analysis, Classification And Regression Tree (CART), Data Analysis, Applied Machine Learning, Classification Algorithms, Data Analysis Software, Microsoft Excel, Data Preprocessing, Data Cleansing
Intermediate · Course · 1 - 4 Weeks