Information Retrieval and Graph Analysis Approaches for Book Recommendation

Table 1

Language modeling-based unigram and term weighting functions. Here, is the number of times term matches in document , is the number of times term matches in the entire collection, is the length of document , and is the size of the collection. Finaly, is a weighting function hyperparameter that is set to 2500.

Weighting	Description
	Weight of unigram in document .
	Weight of exact phrase “” in document .
	Weight of unordered window “” (span = 8) in document .