Expert Contributors Articles

Artem Oppermann

Updated on July 31, 2025

CatBoost is a machine learning gradient-boosting library that builds decision trees optimized for handling categorical data with high accuracy and minimal data preprocessing.

Sara A. Metwalli

Updated on July 31, 2025

Data labeling is the process of annotating raw data with meaningful tags or classifications so machine learning models can learn to recognize patterns and make accurate predictions.

Edoardo Romani

Updated on July 31, 2025

Diagnostic analytics is the process of examining historical data to identify the root causes behind outcomes, trends or anomalies.

Artem Oppermann

Updated on July 31, 2025

Object-relational mapping (ORM) is a programming technique that lets developers use object-oriented code to interact with relational databases, by translating objects to and from database-compatible formats.

Ali Zonoozi

Updated on July 31, 2025

Matrix factorization is a mathematical technique that decomposes a large matrix into two lower-rank matrices whose product approximates the original, revealing latent patterns in the data. It's used in data science and unsupervised learning applications.

Bisola Olasehinde

Updated on July 31, 2025

There are four common methods that will allow you to add Python variables in a string, including: the comma, the modulus operator, string format and f-strings. Here’s how they work.

Anthony Corbo

Updated on July 31, 2025

C++ is a general-purpose, object-oriented programming language that was created by Bjarne Stroustrup at Bell Labs around 1980.

Russ Munisteri

Updated on July 30, 2025

Cybersecurity careers are often a perfect fit for IT professionals thanks to its mix of growth opportunities and similar skill sets. Here’s how to make the leap.   

Matt Przybyla

Updated on July 30, 2025

Data science focuses on extracting data insights by using mathematics, statistics and programming, while computer science focuses on computer hardware, software and systems. Here’s what you need to know as you enter either field.

David Montoya

Updated on July 29, 2025

Legacy systems and outdated infrastructure pose significant security risks for companies reliant on uptime operations. Here’s how they can close the uptime security gap.