A Big Data platform is a software and hardware infrastructure designed to process, store and analyze large amounts of structured and unstructured data from various sources, such as sensors, social networks, mobile devices, business transactions, etc. Big Data platforms are often based on distributed technologies such as Hadoop, Spark, NoSQL and real-time stream processing technologies such as Kafka, Flink, Storm. Big Data platforms provide capabilities for parallel processing, distributed storage, real-time data management, and unstructured data processing, enabling businesses to uncover hidden insights, make more informed decisions, and create new business opportunities.

Here is a more detailed article (in french) on the subject :

Evaluation des plateformes Big Data