Articles

Serena Secures €200 Million for AI Advancement and Energy Transition Initiatives

October 01, 2025
AIventure capitalenergy transitionEuropestartup fundinginvestmenttechnologysustainability

Serena, a prominent European venture capital entity, makes strategic moves within the technology sector by closing the initial round for its fourth flagship fund at €200 million. The fund, Serena IV, specifically targets promising sectors such as applied artificial intelligence and energy transition endeavors. This substantial commitment involves support from enduring LPs alongside new institutional and private investors.

Understanding Cross-Validation: A Clear Guide with Visuals

October 01, 2025
Cross-ValidationMachine LearningModel EvaluationAI ResearchData ScienceTraining DataValidationAlgorithm Performance

This article demystifies cross-validation, a statistical method used in machine learning to ensure that an algorithm's predictions are accurate and reliable. By explaining how cross-validation compares to the hold-out method, the text illustrates the importance of using different data subsets to train and validate a machine learning model, offering essential insights backed with code examples and diagrams.

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