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: Security Controls, NIST 800-53, Authorization (Computing), Risk Management Framework, Change Control, Federal Information Security Management Act, Cyber Risk, Security Management, Vulnerability Assessments, Vulnerability Management, Configuration Management, System Monitoring, Security Requirements Analysis, System Implementation, Change Requests, Cyber Security Assessment, Security Testing, Risk Mitigation, Document Management
★ 4.8 (13) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Global Positioning Systems, Journalism, Environmental Monitoring, Music, Geospatial Information and Technology, Political Sciences, Entrepreneurship, Systems Engineering, Concept Of Operations, Culture, Media and Communications, International Relations, Governance, Higher Education, Physical Science, Physics, Engineering Design Process, Systems Integration, Environmental Science, Writing
★ 4.2 (41) · Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Statistical Analysis, Policty Analysis, Research, and Development, Program Evaluation, Policy Analysis, Data Analysis, Statistical Methods, Public Policies, Statistical Hypothesis Testing, Statistical Programming, Analytics, Analytical Skills, Statistical Software, Forecasting, R Programming, Data-Driven Decision-Making, Research Design, Science and Research, Time Series Analysis and Forecasting, Ggplot2
★ 4.7 (49) · Intermediate · Course · 1 - 3 Months

University of Cambridge
Skills you'll gain: Childhood Education and Development, Human Learning, Child Development, Teaching, Learning Theory, Instructional Strategies, K-12 pedagogy, Pedagogy, Learning Strategies, Developmental Disabilities, Disabilities, Autism Spectrum Disorders, Special Education, Human Development, Differentiated Instruction, Interactive Learning, Neurology, Diversity Awareness
★ 4.8 (31) · Beginner · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Infectious Diseases, Epidemiology, Infection Control, Health Disparities, Public Health and Disease Prevention, Social Determinants Of Health, Socioeconomics, Public Health, Health Equity, Emergency Response, Environmental Issue, Climate Change Adaptation, Social Justice, Media and Communications, Neurology, Anthropology, Maternal Health, Diagnostic Tests, Research
★ 4.7 (115) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Embeddings, Model Deployment, MLOps (Machine Learning Operations), Model Evaluation, Data Cleansing, Anomaly Detection, Vector Databases, LLM Application, System Monitoring, Verification And Validation, Data Quality, Legal Technology, Semantic Web, Large Language Modeling, Data Validation, Continuous Monitoring, Performance Testing, Data Manipulation, Dimensionality Reduction, Cost Reduction
Intermediate · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Digital Forensics, Electronic Discovery, Investigation, Criminal Investigation and Forensics, Incident Response, Technical Communication, Computer Security Incident Management, Report Writing, Data Ethics, Legal Hearings, Cybersecurity, Cyber Governance, Litigation Support, Fraud detection, Legal Proceedings, Law, Regulation, and Compliance, Compliance Reporting, Data Collection, Analysis, Management Reporting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Ansible, Red Hat Enterprise Linux, Infrastructure as Code (IaC), System Configuration, Debugging, Code Reusability, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, NoSQL, Big Data, Database Administration, Data Access, Databases, Data Store, Command-Line Interface, Data Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Event-Driven Programming, Application Development, Application Design, Debugging, Application Deployment, Program Development, Computer Graphics, Visualization (Computer Graphics), Maintainability, Development Environment, Computer Graphic Techniques, Application Lifecycle Management, Microsoft Windows, Context Management, Software Architecture, Memory Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Interactive Data Visualization, Business Intelligence, Business Intelligence Software, Data Presentation, Infographics, Data Visualization, Dashboard Creation, Generative AI, Data Ethics, Large Language Modeling, Responsible AI, Artificial Intelligence, LLM Application, Query Languages, SQL, Data Analysis, Presentations, Natural Language Processing
★ 4.7 (35) · Intermediate · Course · 1 - 4 Weeks

Universidade Estadual de Campinas
Skills you'll gain: Media and Communications, Journalism, digital literacy, Intercultural Competence, Media Production, Content Creation, Cultural Diversity, Community Development, Social Impact, Electronic Media, Liberal Arts, Public Affairs, Advocacy, Research, Ethical Standards And Conduct, Information Management
★ 4.9 (91) · Beginner · Course · 1 - 3 Months