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.

Skills you'll gain: Brand Strategy, Brand Management, Marketing Communications, Brand Marketing, Communication Planning, Branding, Consumer Behaviour, Brand Awareness, Strategic Communication, Marketing and Public Relations, Media and Communications, Promotional Strategies, Communication Strategies, Business Communication, Communication, Marketing Psychology, Global Marketing, Cultural Diversity, Digital Communications, Drive Engagement
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Analytical Skills, Data Wrangling, SQL, Data Preprocessing, Data Analysis, Data Manipulation, Query Languages, Problem Solving, Case Studies, GitHub, Relational Databases, Analytical Testing, Data Modeling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Windows, Authentications, Operating System Administration, Azure Active Directory, Microsoft Intune (Mobile Device Management Software), Identity and Access Management, System Configuration, User Provisioning, Active Directory, Remote Access Systems, Software Installation, Role-Based Access Control (RBAC), Automation, Data Migration
★ 4.7 (14) · Intermediate · Course · 1 - 4 Weeks

Stanford University
Skills you'll gain: Child Health, Maternal Health, Postpartum Care, Infant Care, Prenatal Care, Preventative Care, Family Support, Nutrition and Diet
★ 4.8 (1.7K) · Beginner · Course · 1 - 4 Weeks

Alibaba Cloud Academy
Skills you'll gain: Relational Databases, Plot (Graphics), Load Balancing, Data Visualization Software, Cloud Security, Network Security, Cloud Management, Cloud Computing, Database Systems, Cloud Hosting, Database Management Systems, Big Data, Database Management, General Networking, Apache Hadoop, Cloud Infrastructure, Operating System Administration, Network Architecture, Apache Spark, Machine Learning
★ 4.6 (145) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Azure Active Directory, Microsoft Azure, Web Applications, Cloud Applications, Application Security, Identity and Access Management, Cloud Security, Authorization (Computing), Key Management, Application Development, Security Strategy, Application Programming Interface (API), Authentications, Encryption
★ 4.6 (14) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Remote Access Systems, Local Area Networks, Software Installation, Command-Line Interface, Threat Management, Microsoft Windows, System Configuration, Threat Detection, Information Technology Operations, Wireless Networks, Systems Administration, Network Security, TCP/IP, Information Systems Security, Peripheral Devices, USB, Operating Systems, Computer Hardware, Data Storage Technologies
★ 4.7 (45) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Financial Forecasting, Risk Analysis, Analysis, Scenario Testing, Business Metrics, Mathematical Modeling, Forecasting, Risk Modeling, Excel Formulas, Financial Reporting, Business Modeling, Management Reporting, Performance Stress Testing, Business Risk Management, Data Analysis, Decision Support Systems
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Digital Forensics, Microsoft Windows, User Accounts, USB, File Systems, System Configuration, Software Installation, Operating Systems, Incident Response
★ 4.7 (68) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: LLM Application, Large Language Modeling, Prompt Engineering, Fine-tuning, Prompt Patterns, Model Deployment, Model Training, Generative Model Architectures, Model Optimization, Natural Language Processing, Enterprise Architecture, Machine Learning, Software Design Patterns, Cloud API, API Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Digital Forensics, Penetration Testing, Network Security, Threat Management, Mobile Security, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Public Key Infrastructure, Vulnerability Assessments, Security Testing, Cryptography, Security Controls, Cryptographic Protocols, Cyber Security Assessment, Cybersecurity, Authorization (Computing), Cloud Computing, Malware Protection, Cyber Attacks, Data Integrity
★ 4.6 (808) · Beginner · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Generative AI, Generative Model Architectures, Generative Adversarial Networks (GANs), Large Language Modeling, Autoencoders, Model Evaluation, Embeddings, Model Optimization, Natural Language Processing, Model Training, Bayesian Statistics, Statistical Methods, Sampling (Statistics), Probability Distribution
Intermediate · Course · 1 - 3 Months