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.

LearnQuest
Skills you'll gain: Exploratory Data Analysis, Teradata SQL, JSON, Data Integration, Advanced Analytics, Analytics, Data Cleansing, Text Mining, Data Quality, Data Analysis, Customer Insights, Statistical Analysis, Data Manipulation, Application Programming Interface (API), Database Management, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Data Storage, Cloud-Native Computing, YAML, Data Storage Technologies, Data Persistence, Data Management, Configuration Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Large Language Modeling, Internal Communications, Communication, Strategic Leadership, Leadership, Business Transformation, Strategic Decision-Making, Business Strategy, Decision Making
★ 4.8 (143) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Image Analysis, Image Quality, Data Analysis Software, Software Installation, Data Analysis, Analysis, Scientific Visualization, Data Processing
★ 4.4 (62) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Portfolio Management, Plotly, Data Visualization, Portfolio Risk, Interactive Data Visualization, Investment Management, Exploratory Data Analysis, Plot (Graphics), Return On Investment, Financial Modeling, Financial Analysis, Statistical Analysis, Financial Data, Risk Modeling, Market Data, Finance, Equities, Data Analysis, Python Programming, Data Preprocessing
★ 4.6 (47) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Vulnerability Management, Security Engineering, Secure Coding, Software Design Patterns, Software Architecture, Threat Management, Software Visualization, Exploitation techniques, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)
★ 4.6 (94) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Data Preprocessing, Operations Research, NumPy, Data Manipulation, Supply Chain, Supply Chain Management, Data Transformation, Pandas (Python Package), Supply Chain Planning, Data Processing, Data Analysis, Data Cleansing, Data Science, Programming Principles, Python Programming, Pivot Tables And Charts, Applied Machine Learning, Plot (Graphics)
★ 3.7 (41) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Power Platform Architecture & Technical Design, Email Automation, Data Modeling, Database Development
Intermediate · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Amazon Bedrock, AWS SageMaker, Generative Model Architectures, Risking, Artificial Intelligence, LLM Application, Large Language Modeling, AI Workflows, AWS Identity and Access Management (IAM), Cloud Solutions, Cloud Engineering, Cloud Development, Cloud Computing, Cloud Management, Cloud Services, Automation
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Copilot, Generative AI, Power BI, Interactive Data Visualization, AI Integrations, Data Analysis
★ 4.5 (63) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Firewall, Network Security, Linux, Linux Administration, Security Controls, Hardening, Ubuntu, Linux Commands, File Management, Authorization (Computing), File Systems, System Configuration, Endpoint Security, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Scraping, Data Visualization, Data Preprocessing, Data Cleansing, Scripting, Data Analysis, Data Processing, Data Manipulation, Data Import/Export, Data Capture, Extensible Markup Language (XML), Python Programming, Jupyter, GitHub
★ 3.4 (16) · Intermediate · Guided Project · Less Than 2 Hours