Browsing Computer Science by Author "Li, Feifei"

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Browsing Computer Science by Author "Li, Feifei"

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  • Li, Feifei; Hadjieleftheriou, Marios; Kollios, George; Reyzin, Leonid (Boston University Computer Science Department, 2006-07-20)
    In an outsourced database system the data owner publishes information through a number of remote, untrusted servers with the goal of enabling clients to access and query the data more efficiently. As clients cannot trust ...
  • Li, Feifei; Hadjieleftheriou, Marios; Kollios, George; Reyzin, Leonid (Boston University Computer Science Department, 2006-04-22)
    In outsourced database (ODB) systems the database owner publishes its data through a number of remote servers, with the goal of enabling clients at the edge of the network to access and query the data more efficiently. As ...
  • Chang, Ching; Li, Feifei; Bestavros, Azer; Kollios (Boston University Computer Science Department, 2004-07-01)
    We investigate adaptive buffer management techniques for approximate evaluation of sliding window joins over multiple data streams. In many applications, data stream processing systems have limited memory or have to deal ...
  • Li, Feifei; Cheng, Dihan (Boston University Computer Science Department, 2004-07-01)
    In this paper we discuss a new type of query in Spatial Databases, called Trip Planning Query (TPQ). Given a set of points P in space, where each point belongs to a category, and given two points s and e, TPQ asks for the ...

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