| corresp | (corresponds) points to elements that correspond to the current
      element in some way. | 狀態 | 非必備的 |  | 資料類型 | 1–∞ 次可出現: 以空白鍵隔開 |  | 值 | one or more URIs, separated by whitespace. | 
 | 
    | synch | (synchronous) points to elements that are synchronous with the current
      element. | 狀態 | 非必備的 |  | 資料類型 | 1–∞ 次可出現: 以空白鍵隔開 |  | 值 | one or more URIs, separated by whitespace. | 
 | 
    | sameAs | points to an element that is the same as the current
      element. | 
    | copyOf | points to an element of which the current element is a
	copy. | 
    | next | points to the next element of a virtual aggregate of which
      the current element is part. | 
    | prev | (previous) points to the previous element of a virtual aggregate of
      which the current element is part. | 
    | exclude | points to elements that are in exclusive alternation
      with the current element. | 狀態 | 非必備的 |  | 資料類型 | 1–∞ 次可出現: 以空白鍵隔開 |  | 值 | one or more URIs, separated by whitespace. | 
 | 
    | select | selects one or more alternants; if one alternant is
      selected, the ambiguity or uncertainty is marked as resolved. If
      more than one alternant is selected, the degree of ambiguity or
      uncertainty is marked as reduced by the number of alternants not
      selected. | 狀態 | 非必備的 |  | 資料類型 | 1–∞ 次可出現: 以空白鍵隔開 |  | 值 | one or more URIs, separated by whitespace. | 
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