Sciweavers

COMAD
2008
14 years 14 days ago
Exploiting Semantics and Speculation for Improving the Performance of Read-only Transactions
A read-only transaction (ROT) does not modify any data. Efforts are being made in the literature to improve the performance of ROTs without correctness and data currency issues. T...
Thirumalaisamy Ragunathan, P. Krishna Reddy
ADBIS
2004
Springer
92views Database» more  ADBIS 2004»
14 years 2 months ago
Optimal Database Locks for Efficient Integrity Checking
Abstract. In concurrent database systems, correctness of update transactions refers to the equivalent effects of the execution schedule and some serial schedule over the same set o...
Davide Martinenghi
VLDB
1997
ACM
84views Database» more  VLDB 1997»
14 years 3 months ago
Using Versions in Update Transactions: Application to Integrity Checking
This paper proposes an extension of the multiversion two phase locking protocol, called EMVZPL, which enables update transactions to use versions while guaranteeing the serializab...
François Llirbat, Eric Simon, Dimitri Tombr...
SIGMOD
1996
ACM
176views Database» more  SIGMOD 1996»
14 years 3 months ago
The Dangers of Replication and a Solution
: Update anywhere-anytime-anyway transactional replication has unstable behavior as the workload scales up: a ten-fold increase in nodes and traffic gives a thousand fold increase ...
Jim Gray, Pat Helland, Patrick E. O'Neil, Dennis S...
WMCSA
1999
IEEE
14 years 3 months ago
Broadcast of Consistent Data to Read-Only Transactions from Mobile Clients
In this paper, we study the inconsistency problem in data broadcast. While data items in a mobile computing system are being broadcast, update transactions may install new values ...
Kam-yiu Lam, Mei-Wau Au, Edward Chan
SRDS
2005
IEEE
14 years 4 months ago
Consistent Main-Memory Database Federations under Deferred Disk Writes
Current cluster architectures provide the ideal environment to run federations of main-memory database systems (FMMDBs). In FMMDBs, data resides in the main memory of the federati...
Rodrigo Schmidt, Fernando Pedone