Sciweavers

1302 search results - page 143 / 261
» Multi-objective Query Processing for Database Systems
Sort
View
163
Voted
SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
16 years 6 months ago
Rank-aware Query Optimization
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
Ihab F. Ilyas, Rahul Shah, Walid G. Aref, Jeffrey ...
DASFAA
2003
IEEE
84views Database» more  DASFAA 2003»
16 years 2 hour ago
Supporting Selection-Projection XQuery Processing Based on Encoding Paths
Providing an efficient way to support XML query processing has become a very important issue. A system called XQP (XQuery Processor) is proposed in this paper to meet the need. X...
Ya-Hui Chang, Cheng-Ta Lee
ICDE
2005
IEEE
123views Database» more  ICDE 2005»
16 years 8 months ago
High-Availability Algorithms for Distributed Stream Processing
Stream-processing systems are designed to support an emerging class of applications that require sophisticated and timely processing of high-volume data streams, often originating...
Alex Rasin, Jeong-Hyon Hwang, Magdalena Balazinska...
VLDB
1992
ACM
105views Database» more  VLDB 1992»
15 years 10 months ago
Multiversion Query Locking
Multiversion two-phase locking (MV2PL) has been incorporated in some commercial transaction processing systems to support the serializable execution of queries. A drawback to this...
Paul M. Bober, Michael J. Carey
ICDE
2005
IEEE
119views Database» more  ICDE 2005»
16 years 8 months ago
Data Triage: An Adaptive Architecture for Load Shedding in TelegraphCQ
Many of the data sources used in stream query processing are known to exhibit bursty behavior. Data in a burst often has different characteristics than steady-state data, and ther...
Frederick Reiss, Joseph M. Hellerstein