Spark, Kafka & machine learning: 10 big data start-ups taking analytics to the next level

List: What start-ups are worth watching as they grow in the big data market? The rise of both structured and unstructured data has created a booming market that is expected to be worth around 41.5 billion by 2018. The rapid growth of the big data market has resulted in the creation of a large crop of vendors that are all looking to take a slice. Amid the plethora of vendors competing for market position are a number of start-ups that are aiming to help organisations collect and analyse data. CBR identifies 10 companies that are worth watching.