Research Article
HCV: Practical Multi-Keyword Conjunctive Query with Little Result Pattern Leakage
Algorithm 1
Generation of CV database.
| | Input: inverted index | | | Output: CV database | | (1) | sort the original inverted index according to ; | | (2) | fordo | | (3) | compute ; | | (4) | ifthen | | (5) | initial the of length with 0; | | (6) | while do ; | | (7) | end | | (8) | end | | (9) | for,do | | (10) | ifandthen | | (11) | compute ; | | (12) | if initial the CV with length , let ; while do ; | | (13) | end | | (14) | end |
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