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Submitted on: 05 April 2018.
Revised on: 25 April 2018.
Accepted on: 03 May 2018.
SIGMOD RECORD
Submitted on: 16 November 2012.
Revised on: 30 December 2012.
Accepted on: 25 January 2013.
SIGMOD RECORD
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Submitted on: 20 October 2022.
Revised on: 29 October 2022.
Accepted on: 09 November 2022.
SIGMOD RECORD
Submitted on: 06 June 2004.
Revised on: 19 July 2004.
Accepted on: 29 July 2004.
SIGMOD RECORD---ASSOC COMPUTING MACHINERY
Submitted on: 10 July 2003.
Revised on: 23 July 2003.
Accepted on: 30 July 2003.
SIGMOD RECORD---ASSOC COMPUTING MACHINERY
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