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VLDB
2007
ACM
144views Database» more  VLDB 2007»
16 years 7 months ago
Cooperative Scans: Dynamic Bandwidth Sharing in a DBMS
This paper analyzes the performance of concurrent (index) scan operations in both record (NSM/PAX) and column (DSM) disk storage models and shows that existing scheduling policies...
Marcin Zukowski, Sándor Héman, Niels...
SIGMOD
2009
ACM
189views Database» more  SIGMOD 2009»
16 years 7 months ago
Query segmentation using conditional random fields
A growing mount of available text data are being stored in relational databases, giving rise to an increasing need for the RDBMSs to support effective text retrieval. In this pape...
Xiaohui Yu, Huxia Shi
SIGMOD
2008
ACM
144views Database» more  SIGMOD 2008»
16 years 7 months ago
Preservation of proximity privacy in publishing numerical sensitive data
We identify proximity breach as a privacy threat specific to numerical sensitive attributes in anonymized data publication. Such breach occurs when an adversary concludes with hig...
Jiexing Li, Yufei Tao, Xiaokui Xiao
SIGMOD
2007
ACM
156views Database» more  SIGMOD 2007»
16 years 7 months ago
M-invariance: towards privacy preserving re-publication of dynamic datasets
The previous literature of privacy preserving data publication has focused on performing "one-time" releases. Specifically, none of the existing solutions supports re-pu...
Xiaokui Xiao, Yufei Tao
SIGMOD
2006
ACM
174views Database» more  SIGMOD 2006»
16 years 7 months ago
Dynamic authenticated index structures for outsourced databases
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 acce...
Feifei Li, Marios Hadjieleftheriou, George Kollios...
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