Sciweavers

222 search results - page 13 / 45
» Transaction Time Support Inside a Database Engine
Sort
View
VLDB
2004
ACM
161views Database» more  VLDB 2004»
16 years 5 months ago
Supporting top-k join queries in relational databases
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
Ihab F. Ilyas, Walid G. Aref, Ahmed K. Elmagarmid
TKDE
2002
112views more  TKDE 2002»
15 years 4 months ago
Multiversion Locking Protocol with Freezing for Secure Real-Time Database Systems
Database systems for real-time applications must satisfy timing constraints associated with transactions. Typically, a timing constraint is expressed in the form of a deadline and ...
Chanjung Park, Seog Park, Sang Hyuk Son
ASPLOS
1998
ACM
15 years 9 months ago
Performance of Database Workloads on Shared-Memory Systems with Out-of-Order Processors
Database applications such as online transaction processing (OLTP) and decision support systems (DSS) constitute the largest and fastest-growing segment of the market for multipro...
Parthasarathy Ranganathan, Kourosh Gharachorloo, S...
ADC
2008
Springer
156views Database» more  ADC 2008»
15 years 11 months ago
Interactive Mining of Frequent Itemsets over Arbitrary Time Intervals in a Data Stream
Mining frequent patterns in a data stream is very challenging for the high complexity of managing patterns with bounded memory against the unbounded data. While many approaches as...
Ming-Yen Lin, Sue-Chen Hsueh, Sheng-Kun Hwang
RTDB
2001
83views more  RTDB 2001»
15 years 6 months ago
Updates and View Maintenance
A database system contains base data items which record and model a physical, real world environment. For better decision support, base data items are summarized and correlated to...
Ben Kao, Kam-yiu Lam, Brad Adelberg