In grounded responses, selected citations represent URLs explicitly cited in the final generated text, while unselected citations are sources browsed by the model during search retrieval but omitted from the answer.
flowchart LR
Q[User Query] --> S[Grounded Web Search]
S --> R[Retrieved Sources Pool]
R -->|Model cites in text| SC[Selected Citations]
R -->|Model omits from answer| UC[Unselected Citations]Referenced by