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.

Coursera
Skills you'll gain: Competitive Analysis, Keyword Research, Search Engine Optimization, Competitive Intelligence, Social Media Strategy, Web Analytics and SEO, Market Opportunities, Content Strategy, Market Intelligence, Strategic Thinking, Search Engine Marketing, Digital Marketing, Target Audience, Market Research
Beginner · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Analytics, Performance Analysis, Descriptive Analytics, Business Analytics, Data-Driven Decision-Making, Data Analysis, Media and Communications, Analysis, Predictive Analytics, Performance Measurement, Data Collection, Small Data, Big Data, Spatial Analysis, Research, Performance Reporting, Learning Styles, Innovation, Leadership, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Service Level Agreement, Inventory Management, Supplier Management, Legal Risk, Variance Analysis, Process Improvement, Supplier Performance Management, Contract Review, Supplier Quality Management, Inventory Control Systems, Risk Mitigation, Root Cause Analysis, Data Entry, Risk Management, Data Analysis, Continuous Improvement Process, Contract Management, Quality Control, Cost Reduction
Intermediate · Specialization · 3 - 6 Months
SAS
Skills you'll gain: Data Manipulation, SAS (Software), Data Access, Data Import/Export, Microsoft Excel, Data Analysis, Data Transformation, Requirements Analysis, Statistical Programming, Exploratory Data Analysis, Data Validation, Statistical Analysis, Data Wrangling, Data Processing, Data Preprocessing, Pivot Tables And Charts, Data Integration, SQL, Data Cleansing, Descriptive Statistics
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Logical Operations
Skills you'll gain: Business Writing, Business Correspondence, Proposal Writing, Proposal Development, Target Audience, Business Communication, Report Writing, Writing, Concision, Persuasive Communication, Communication, Writing and Editing, Tactfulness, Diplomacy, Customer Complaint Resolution, Organizational Skills, Grammar, Communication Strategies, Editing, Proofreading
Mixed · Course · 1 - 3 Months

Palo Alto Networks
Skills you'll gain: Cloud Security, Cloud Platforms, Cloud-Native Computing, Cloud Services, Cloud Computing, Cloud Infrastructure, DevSecOps, Software As A Service, Network Security, Cloud Applications, Public Cloud, Infrastructure Security, Data Security, Firewall, Serverless Computing, Hybrid Cloud Computing, Virtual Machines, Containerization, Data Centers, DevOps
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Red Hat Enterprise Linux, Linux, Operating System Administration, IBM Cloud, Linux Commands, Virtualization, Systems Administration, Virtual Machines, Cloud Computing, System Monitoring, Software Installation, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Customer Retention, Customer Analysis, Business Metrics, Data Analysis, Performance Metric, Customer Insights, Analysis, Performance Measurement, Trend Analysis, Benchmarking, Key Performance Indicators (KPIs), Pareto Chart, Data-Driven Decision-Making, Customer experience strategy (CX), Descriptive Analytics, Predictive Analytics, Root Cause Analysis, Consumer Behaviour
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), Unity Engine, Video Game Development, 3D Assets, Visualization (Computer Graphics), Computer Graphics, Game Design, Prototyping, Interaction Design, Virtual Environment, Storyboarding, User Interface (UI), Human Computer Interaction, 3D Modeling, Animations, Application Design, Display Devices, Ideation, Usability Testing
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Seaborn, NumPy, Matplotlib, Data Transformation, Data Manipulation, Data Visualization Software, Pandas (Python Package), Plot (Graphics), Data Visualization, Jupyter, Scatter Plots, Data Science, Data Processing, Data Analysis, Box Plots, Python Programming, Graphing, Computer Programming, Computer Programming Tools, Software Development
Intermediate · Specialization · 1 - 3 Months
Skills you'll gain: Dashboard, Relational Databases, Data Wrangling, Rmarkdown, Data Visualization, Data Visualization Software, Plot (Graphics), Exploratory Data Analysis, Shiny (R Package), Ggplot2, SQL, Model Evaluation, Data Collection, Interactive Data Visualization, Data Transformation, Leaflet (Software), Databases, R Programming, Data Structures, Data Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Organizational Effectiveness, Strategic Decision-Making, Operations Management
Beginner · Course · 1 - 4 Weeks