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» On the Computation of Approximations of Database Queries
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ICDE
2006
IEEE
176views Database» more  ICDE 2006»
16 years 8 months ago
Mondrian Multidimensional K-Anonymity
K-Anonymity has been proposed as a mechanism for protecting privacy in microdata publishing, and numerous recoding "models" have been considered for achieving kanonymity...
Kristen LeFevre, David J. DeWitt, Raghu Ramakrishn...
CCGRID
2003
IEEE
15 years 12 months ago
An Overlay-Network Approach for Distributed Access to SRS
SRS is a widely used system for integrating biological databases. Currently, SRS relies only on locally provided copies of these databases. In this paper we propose a mechanism th...
Thomas Fuhrmann, Andrea Schafferhans, Thure Etzol
SIGMOD
2009
ACM
215views Database» more  SIGMOD 2009»
16 years 6 months ago
Efficient type-ahead search on relational data: a TASTIER approach
Existing keyword-search systems in relational databases require users to submit a complete query to compute answers. Often users feel "left in the dark" when they have l...
Guoliang Li, Shengyue Ji, Chen Li, Jianhua Feng
ICDE
2008
IEEE
563views Database» more  ICDE 2008»
17 years 6 months ago
Probabilistic Verifiers: Evaluating Constrained Nearest-Neighbor Queries over Uncertain Data
In applications like location-based services, sensor monitoring and biological databases, the values of the database items are inherently uncertain in nature. An important query fo...
Reynold Cheng, Jinchuan Chen, Mohamed F. Mokbel, C...
XSYM
2004
Springer
129views Database» more  XSYM 2004»
15 years 12 months ago
Fractional XSketch Synopses for XML Databases
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
Natasha Drukh, Neoklis Polyzotis, Minos N. Garofal...