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.

Google Cloud
Skills you'll gain: Data Cleansing, Data Wrangling, Data Integration, Data Transformation, Data Processing, Data Manipulation, Data Preprocessing, Google Cloud Platform, Self Service Technologies
Beginner · Project · Less Than 2 Hours

University of Glasgow
Skills you'll gain: Wireless Networks, Emerging Technologies, Digital Communications, Communication Systems, Internet Of Things, Software-Defined Networking, Network Planning And Design, Distributed Computing, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Electronics Engineering, Zero Trust Network Access, AI Integrations, Information Technology, Machine Learning, Trustworthiness
★ 4.8 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Backlogs, Stakeholder Communications, Virtual Teams, Stakeholder Management, Agile Project Management, Stakeholder Engagement, Agile Software Development, Agile Product Development, Agile Methodology, Communication, Communication Strategies, Collaborative Software, Cross-Functional Collaboration, Cross-Functional Team Leadership, Negotiation, Conflict Management, Product Management, Product Requirements, User Story, Team Oriented
★ 4.8 (17) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Generative AI Agents, Prompt Engineering, Google Gemini, Retrieval-Augmented Generation, Responsible AI, Generative AI, Gemini, Prompt Patterns, Google Workspace, Generative Model Architectures, Prompt Engineering Tools, AI Product Strategy, Agentic Workflows, AI Security, AI Workflows, Google Cloud Platform, Large Language Modeling, Artificial Intelligence, Cloud Computing, Collaboration
★ 4.8 (6) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unix Shell, Unix, Unix Commands, Shell Script, Linux, Authorization (Computing), System Configuration, Operating System Administration, User Accounts, File Systems, Security Controls, File Management, Identity and Access Management, Systems Administration
★ 5 (12) · Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Data Analysis, Data Literacy, Data-Driven Decision-Making, Clinical Informatics, Image Analysis, AI Integrations, Health Technology, Diagnostic Tests, Advanced Analytics, Treatment Planning, Care Management, Emerging Technologies
★ 4.2 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Cloud Management, Kibana, Google Cloud Platform, Cloud Computing, Data Import/Export, Financial Data, Mainframe Computing, Dataflow, Mainframe Technologies, Big Data, Exploratory Data Analysis, Data Pipelines, Cloud Deployment, SQL, Data Analysis
Beginner · Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Microsoft Azure, Cloud Security, Data Security, Network Security, Cloud Applications, Role-Based Access Control (RBAC), Application Security, Microsoft SQL Servers, Cloud Development, Security Controls, Firewall, Database Architecture and Administration, Relational Databases, Cloud Management, Key Management, Identity and Access Management, Threat Detection, Encryption
★ 4.5 (20) · Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Court Systems, Telecommunications, Law, Regulation, and Compliance, Information Privacy, Personally Identifiable Information, Legal Research, Case Law, Data Access, Data Security, Policy Development, Public Policies, Security Management, Security Strategy
★ 4.3 (50) · Intermediate · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Open Web Application Security Project (OWASP), Debugging, DevSecOps, Security Strategy, Penetration Testing, Cyber Security Strategy, Security Testing, Application Security, Vulnerability Scanning, Continuous Monitoring, Software Testing, Cybersecurity, Vulnerability Assessments, Cyber Security Assessment, Test Automation, Secure Coding, Vulnerability Management, Technical Communication
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI, Data Analysis, Data Analysis Software, Advanced Analytics, Analytics, Predictive Analytics, Data Preprocessing
★ 4.7 (24) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Gemini, Gemini, Google Cloud Platform, Cloud Applications, Cloud Development, Application Development, Generative AI, LLM Application, AI literacy, AI Integrations, Multimodal Prompts
Beginner · Project · Less Than 2 Hours