A Prior Work on Listwise Ranking
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چکیده
The exchangeability assumption as defined in this paper on ranking functions seems intuitively natural, and indeed, specific ranking functions previously proposed in the literature are all exchangeable. While pointwise ranking functions are vacuously exchangeable, we now discuss two specifically listwise ranking functions previously proposed by [22] and [26] in light of our representation theory. These papers do not maintain a clear distinction between the ranking function and the loss, though their results do result in particular ranking functions.
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