IBM BEGAN rolling out its Watson supercomputer system across Africa on Thursday, saying it would help to address continental development obstacles as diverse as medical diagnoses, economic data collection and e-commerce research. The world’s biggest technology service provider said “Project Lucy” would take 10 years and cost $100 million. The undertaking was named after the earliest known human ancestor fossil, which was found in east Africa, “I believe it will spur a whole era of innovation for entrepreneurs here,” IBM Chief Executive Ginni Rometty told a conference on Wednesday. “Data ... needs to be refined. It will determine undisputed winners and losers across every industry,” she said. As an example, Rometty cited how Morocco had used sophisticated data mining for “smart agriculture” to improve how crops are grown by predicting weather, demand and disease outbreaks. The Watson system uses artificial intelligence that can quickly analyze huge amounts of data and understand human language well enough to hold sophisticated conversations. The company said last month it would invest $1 billion in creating a business unit for Watson, named after former IBM President Thomas Watson. The technology would enable poorer parts of Africa to “leapfrog” stages of development they have failed to reach because they were too expensive, in much the same way mobile phones took off across the continent in places where there had been virtually no landlines, said Michel Bézy, a Rwanda-based technology professor who helped develop the Watson system.