The problem of Web search, as traditionally formulated, has a very " pure " motivation: it seeks to take the content people produce on the Web and find the pages that are most relevant, useful, or authoritative for any given query. However, it soon became clear that a lucrative market existed alongside this for combining search with advertising, targeted to the queries that users were issuing. ...

when emerging technologies such as search engine marketing (sem) face tasks that require human level intelligence, it is inevitable to use the knowledge repositories to endow the machine with the breadth of knowledge available to humans. keyword suggestion for search engine advertising is an important problem for sponsored search and sem that requires a goldmine repository of knowledge. a recen...

The SM9 algorithm is an Identity-Based Encryption (IBE) independently made by China. existing searchable encryption scheme cannot be effective against insider keyword guessing attacks and violates users’ data privacy. This article utilizes the method to propose a Registered Public Keyword Searchable based on (RKSE-SM9), which uses user keys in registration algorithm. For RKSE-SM9 generate ciphe...