A Multimodal Retrieval and Ranking Method for Scientific Documents Based on HFS and XLNet

Algorithm 2

Ranking of the retrieval results of scientific documents.

	Input: document collection of the retrieval results of scientific documents
	Output: the ranking sequence of the documents
(1)	while (Result) do:
(2)	//Mathematical expression similarity degree of membership value
(3)
(4)	location ()   //The position of the mathematical expression in the document
(5)
(6)	,
(7)	//hesitant fuzzy set of
(8)	//The similarity between documents is transformed into the similarity between the hesitant fuzzy set
(9)	return
(10)	end while
(11)	return DESC   //Sort in descending order, return results
(12)	END