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.

Johns Hopkins University
Skills you'll gain: R (Software), Statistical Analysis, R Programming, Statistical Programming, Statistical Methods, Data Analysis, Debugging, Simulations, Program Development, Programming Principles, Software Installation, Data Structures, Performance Tuning, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), OSI Models, Wide Area Networks, Network Troubleshooting, TCP/IP, Wireless Networks, Cloud Computing, Network Routing, Routing Protocols, Network Security, Network Routers, Network Monitoring, Cloud Computing Architecture, Cloud Platforms, Event Monitoring, Threat Detection, Threat Management, Network Performance Management, Cloud Services
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Classification And Regression Tree (CART), Decision Tree Learning, Large Language Modeling, Retrieval-Augmented Generation, LLM Application, Data Analysis, Applied Machine Learning, Keras (Neural Network Library), Machine Learning Methods, Model Evaluation, Model Training, Fine-tuning, Model Deployment, Generative AI, Text Mining, Prompt Engineering, Deep Learning, Random Forest Algorithm, Machine Learning, MLOps (Machine Learning Operations)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Meta Ads Manager, Data Storytelling, Data Presentation, Business Metrics, Key Performance Indicators (KPIs), Marketing Analytics, Data-Driven Marketing, Bayesian Statistics, Data Visualization, Descriptive Statistics, Marketing Effectiveness, Statistical Hypothesis Testing, Target Audience, Pandas (Python Package), Data Analysis, Data Visualization Software, A/B Testing, Data Collection, Marketing, Interviewing Skills
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months
EDUCBA
Skills you'll gain: Splunk, Security Information and Event Management (SIEM), Data Modeling, Role-Based Access Control (RBAC), Dashboard Creation, System Monitoring, Dashboard, Model Training, Incident Response, Computer Security Incident Management, Threat Detection, User Accounts, Machine Learning Methods, Data Transformation, Applied Machine Learning, User Provisioning, Cybersecurity, Interactive Data Visualization, Event Monitoring, Data Manipulation
Beginner · Specialization · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Classification Algorithms, Exploratory Data Analysis, Data Mining, Data Analysis, Machine Learning Algorithms, Model Evaluation, Data Manipulation, Data Management, Data Science, Unsupervised Learning, Supervised Learning, Algorithms, Transaction Processing
Beginner · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Digital Assets, Digital Transformation, Case Studies, digital literacy, Business Modeling, Production Process, Systems Architecture, Manufacturing Processes, Process Optimization, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Microsoft Office, Microsoft 365
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Dashboard, Data Storytelling, Tableau Software, Dashboard Creation, Peer Review, Data Presentation, Presentations, Data Visualization, Interactive Data Visualization, Plot (Graphics), Data Cleansing, Business Intelligence, Real Time Data, Data Manipulation, Business Intelligence Software, Data Quality, Data Transformation, Data Integration, Data Analysis, Data Visualization Software
Advanced · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Windows Servers, Authorization (Computing), Microsoft Windows, Authentications, Operating System Administration, User Accounts, Group Policy, User Provisioning, Microsoft Servers, Security Controls, Enterprise Security, Active Directory, Identity and Access Management, Software Installation, Role-Based Access Control (RBAC), Server Administration, Encryption, Network Planning And Design, Network Performance Management, Computer Networking
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Prompt Engineering, Google Cloud Platform, Cloud Infrastructure, Kubernetes, Case Studies, CI/CD, Microservices, Application Deployment, Cloud Computing, Cloud Deployment, Generative AI, Site Reliability Engineering, Terraform, Infrastructure As A Service (IaaS), Data Storage Technologies, Cloud Security, Cloud Platforms, Data Storage, Cloud Computing Architecture
Intermediate · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Cloud Storage, Version Control, Encryption, Data Storage, Cloud Security
Beginner · Guided Project · Less Than 2 Hours