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VLDB
2004
ACM
125views Database» more  VLDB 2004»
9 years 5 months ago
Reverse kNN Search in Arbitrary Dimensionality
Given a point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for processing such quer...
Yufei Tao, Dimitris Papadias, Xiang Lian
SIGMOD
2004
ACM
131views Database» more  SIGMOD 2004»
10 years 3 days ago
Order-Preserving Encryption for Numeric Data
Encryption is a well established technology for protecting sensitive data. However, once encrypted, data can no longer be easily queried aside from exact matches. We present an or...
Rakesh Agrawal, Jerry Kiernan, Ramakrishnan Srikan...
VLDB
2007
ACM
191views Database» more  VLDB 2007»
10 years 5 days ago
Multidimensional reverse k NN search
Given a multidimensional point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for proc...
Yufei Tao, Dimitris Papadias, Xiang Lian, Xiaokui ...
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