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.

University of Minnesota
Skills you'll gain: Cloud Security, Data Security, Cloud Services, Cloud Storage, Personally Identifiable Information, General Data Protection Regulation (GDPR), Information Privacy, Data Management, Data Storage, Data Governance, Data Integrity, Security Controls, Analysis, Authorization (Computing), Health Insurance Portability And Accountability Act (HIPAA) Compliance, Relational Databases, Encryption, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Training, Machine Learning Methods, Predictive Modeling, Applied Machine Learning, Machine Learning Algorithms, Probability Distribution, Machine Learning, Analytics, Data Analysis, Analysis, Data Processing
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Cloud Deployment, Cloud Computing, Cloud Services, Cloud Infrastructure, Scalability, Cloud Platforms, Public Cloud, Software As A Service, Infrastructure As A Service (IaaS), Cloud Management, Platform As A Service (PaaS), Private Cloud, Hybrid Cloud Computing
Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Database Design, Database Systems, Relational Databases, Database Software, Databases, Database Application, Database Management, Database Management Systems, Database Development, SQL, MySQL, Database Theory, Database Architecture and Administration, Transaction Processing, Stored Procedure, Data Modeling, Unified Modeling Language, Data Integrity, Query Languages, Application Development
Build toward a degree
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), Linux Servers, System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

Cloudera
Skills you'll gain: Database Design, SQL, Apache Hive, Relational Databases, Databases, Database Management, Database Management Systems, Data Store, Big Data, Database Systems, Amazon Web Services, MySQL, Data Management, Query Languages, Amazon S3, Data Storage, Data Access, NoSQL, Cloud Storage, Data Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Modeling, Data Analysis, Business Intelligence, Star Schema, Data Transformation, Snowflake Schema, Data Visualization Software, Data Integration, Data Manipulation, Data Cleansing, Data Wrangling, Interactive Data Visualization, Dashboard Creation, Data Presentation, Business Reporting, Data Import/Export
Intermediate · Course · 1 - 3 Months
Georgia Institute of Technology
Skills you'll gain: Software-Defined Networking, Virtual Networking, Network Performance Management, Network Infrastructure, Data Centers, Network Architecture, Computer Networking, Cloud Computing, Cloud Computing Architecture, Network Switches, Network Routing, Microsoft Azure, General Networking, Test Tools, Network Analysis, Debugging
Mixed · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Analytical Skills, Science and Research, Sampling (Statistics), Statistical Hypothesis Testing, Data Literacy, Statistical Analysis, R (Software), Data Analysis, Statistical Software, Statistical Programming, Probability & Statistics, Statistical Methods, R Programming, Statistics, Public Health, Statistical Inference, Descriptive Statistics, Probability Distribution, Data Import/Export
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Business Analytics, Risk Analysis, Data-Driven Decision-Making, Operations Research, Strategic Decision-Making, Decision Making, Analytics, Decision Intelligence, Predictive Analytics, Simulation and Simulation Software, Risk Modeling, Business Modeling, Data Analysis, Process Optimization, Market Analysis, Unsupervised Learning, Model Optimization, Microsoft Excel, Data Mining, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: OSI Models, Network Architecture, Computer Networking, TCP/IP, Network Protocols, General Networking, Wireless Networks, Network Routing, Local Area Networks, Network Security, Routing Protocols, Load Balancing, Network Model, Wide Area Networks, Network Performance Management, Telecommunications, Cloud Services
Beginner · Course · 1 - 3 Months

Skills you'll gain: Financial Statements, Microsoft Excel, Excel Formulas, Balance Sheet, Ledgers (Accounting), Financial Statement Analysis, Financial Data, Income Statement, Bookkeeping, Data Entry, Financial Reporting, Financial Accounting, Profit and Loss (P&L) Management, Spreadsheet Software, Month End Closing
Intermediate · Guided Project · Less Than 2 Hours