Κεντρικοποιημένο σύστημα αναζήτησης προϊόντων σε κρυπτογραφημένες εγγραφές
Centralized product search system on hashed records

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Keywords
LSH ; Locality Sensitive Hashing ; SearchAbstract
This postgraduate thesis presents a web-based centralized product search system which provides anonymity on user’s searches and the corresponding results. Small stores (EncryptedAuctionStore) can register their products, in a hashed form, in the database of a central service (EncryptedAuctionAggregator). Then, customers interested in searching for a product can, using the client application (EncryptedAuctionClient), post a hashed search query. Locality Sensitivity Hashing has been implemented and used for the function of searching on hashed records.