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.

Coursera
Skills you'll gain: Excel Macros, Microsoft Excel, Data Manipulation, Advanced Analytics, Visual Basic (Programming Language), Data Analysis, Productivity Software, Debugging, Spreadsheet Software, Automation, Strategic Decision-Making, Scripting, User Interface (UI)
★ 4.5 (265) · Beginner · Course · 1 - 4 Weeks

Nanjing University
Skills you'll gain: Web Scraping, User Interface (UI), Object Oriented Programming (OOP), Data Processing, Statistical Analysis, Data Structures, Data Analysis, User Interface (UI) Design, Pandas (Python Package), Data Capture, NumPy, Data Manipulation, Python Programming, Data Preprocessing, Data Mining
★ 4.7 (1.6K) · Mixed · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Life Sciences, Molecular Biology, Biotechnology, Environment, Precision Medicine, Molecular, Cellular, and Microbiology, Biology, Physiology, Sustainable Development, Medical Science and Research, Environmental Science, Biochemistry, Cell Biology, Microbiology, Analysis, Computational Thinking
★ 4.6 (331) · Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Electrical Systems, Electrical Wiring, Electrical Power, Electric Power Systems, HVAC, Construction Inspection, Electrical Equipment, Engineering Calculations, Architectural Design, Mechanical Design, Systems Analysis, Energy and Utilities, Building Codes, Structural Analysis, Cost Estimation
★ 4.7 (732) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Gateway, Kubernetes, Cloud API, Google Cloud Platform, Hybrid Cloud Computing, Application Programming Interface (API), API Testing, Application Deployment, Software Installation, Proxy Servers, Verification And Validation, Configuration Management, YAML
★ 4.6 (44) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Differentiated Instruction, Teaching, Instructional Strategies, Oral Comprehension, Digital pedagogy, Literacy, Oral Expression, Pedagogy, digital literacy, Learning Styles, Media and Communications, Multimedia, Higher Education, Cultural Diversity, Language Learning, Writing
★ 4.7 (183) · Mixed · Course · 1 - 4 Weeks

Dell
Skills you'll gain: Rapport Building, Sales Presentation, Digital Transformation, Selling Techniques, Data Centers, General Sales Practices, Customer Relationship Building, Market Research, Customer Insights, Sales Development, Sales, Customer Analysis, Technical Sales, Outside Sales, Sales Strategy, Inside Sales, Communication, Data Infrastructure, Customer Engagement, Computer Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtualization and Virtual Machines, Cloud Deployment, Network Troubleshooting, Hardware Troubleshooting, Cloud Computing, Cloud Infrastructure, Virtualization, Computer Hardware, Network Protocols, Cloud Platforms, Virtual Machines, General Networking, Desktop Support, Hardware Architecture, TCP/IP, Peripheral Devices, Wireless Networks, Mobile Security, USB, Microsoft Intune (Mobile Device Management Software)
★ 4.3 (12) · Intermediate · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: Oral Comprehension, Literacy, Vocabulary, Language Competency, Grammar, Language Learning
★ 4.8 (284) · Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Microsoft Azure, Virtual Networking, Cloud Services, System Monitoring, Infrastructure As A Service (IaaS), Network Monitoring, Cloud Engineering, Application Performance Management, Cloud Management, Network Troubleshooting, Cloud Infrastructure, Cloud Storage, Virtual Machines, Event Monitoring, Disaster Recovery, Continuous Monitoring, Data Storage, Query Languages
★ 4 (28) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Computing Architecture, Cloud Management, Cloud Security, Cloud Computing, Zero Trust Network Access, Business Continuity Planning, Business Continuity, Cloud Standards, Continuous Monitoring, Cloud Infrastructure, Hybrid Cloud Computing, Cloud Services, Data Migration, Resource Allocation, Security Management, Cloud Platforms, Data Management, Disaster Recovery, Infrastructure As A Service (IaaS), Cloud Deployment
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: SAS (Software), Network Analysis, Trend Analysis, Data Manipulation, Data Analysis, Forecasting, Data Quality, Text Mining, Exploratory Data Analysis, Datamaps, Spatial Data Analysis, Data Visualization Software, Data Transformation, Analysis, Data Mapping, Interactive Data Visualization, Analytics, Data Visualization, Business Analytics, Business Reporting
★ 4.7 (1.1K) · Beginner · Professional Certificate · 3 - 6 Months