生成的实体类大致如下（已简化，关键部分）：
Europe's plan to ditch US tech giants is built on open source - and it's gaining steam
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Liam Rosenior has warned his Chelsea players that he will not pick those he cannot trust to stay out of trouble with referees. Rosenior is losing patience with his squad’s discipline problems and has indicated that selection will be based on who is improving their behaviour.
Randomly selecting border points or using simple geometric divisions (squares/hexagons) results in too many border points per cluster (50-80). This leads to a shortcut explosion (N*(N-1)/2 shortcuts), making the files large and and calculations slow.