Tree-Based Public Key Encryption with Conjunctive Keyword Search

Table 2

Notation.

	All documents in a corpus
	Encrypted documents of
	All keywords in (dictionary for )
	The plaintext index tree for
	The encrypted index tree for
	The keyword set of
	The keyword set of query
	The trapdoor of
	The number of keywords in each document
	The number of keywords in the query
	The vector representation for
	A group of document sets obtained by splitting
	A keyword in ,
	A keyword in , and