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# Table 2
**List of “is a” relations identified in Yeganova et al. [**
39
**]**

From: Identifying named entities from PubMed® for enriching semantic categories

X is a Y | X is a potent Y |

X are Y | X is the most common Y |

X and other Y | X are rare Y |

X as a Y | X is a widely used Y |

X such as Y | X is an uncommon Y |

X is an Y | X is an autosomal dominant Y |

X as an Y | X is a form of Y |

X is an important Y | X is one of the major Y |

X a new Y | X is a chronic Y |

X are the most common Y | X and other forms of Y |

X is a rare Y | X is a broad spectrum Y |

X is a novel Y | X is the primary Y |

X is a major Y | X is a rare autosomal recessive Y |

X is an essential Y | X is the most common type of Y |

X was the only Y | X is the second most common Y |

X was the most common Y | X are the most frequent Y |

X is a common Y | X is the most widely used Y |

X is a new Y | X is the most frequent Y |

X is a complex Y | X is the most common primary Y |

X is an effective Y | X is one of the major Y |