Sciweavers

2956 search results - page 384 / 592
» Databases and Higher Types
Sort
View
SIGMOD
2002
ACM
84views Database» more  SIGMOD 2002»
16 years 5 months ago
Skew handling techniques in sort-merge join
Joins are among the most frequently executed operations. Several fast join algorithms have been developed and extensively studied; these can be categorized as sort-merge, hash-bas...
Wei Li, Dengfeng Gao, Richard T. Snodgrass
136
Voted
PODS
2004
ACM
137views Database» more  PODS 2004»
16 years 5 months ago
On the Memory Requirements of XPath Evaluation over XML Streams
The important challenge of evaluating XPath queries over XML streams has sparked much interest in the past few years. A number of algorithms have been proposed, supporting wider f...
Ziv Bar-Yossef, Marcus Fontoura, Vanja Josifovski
EDBT
2006
ACM
157views Database» more  EDBT 2006»
16 years 5 months ago
Caching Complementary Space for Location-Based Services
In this paper, we propose a novel client-side, multi-granularity caching scheme, called "Complementary Space Caching" (CS caching), for location-based services in mobile ...
Ken C. K. Lee, Wang-Chien Lee, Baihua Zheng, Jianl...
EDBT
2008
ACM
173views Database» more  EDBT 2008»
16 years 5 months ago
SeMap: a generic mapping construction system
Most previous schema mapping works focus on creating mappings in specific data models for data transformation, failing to capture a richer set of possible relationships between sc...
Ting Wang, Rachel Pottinger
ICDE
2010
IEEE
198views Database» more  ICDE 2010»
16 years 4 months ago
Q-Cop: Avoiding Bad Query Mixes to Minimize Client Timeouts Under Heavy Loads
In three-tiered web applications, some form of admission control is required to ensure that throughput and response times are not significantly harmed during periods of heavy load....
Sean Tozer, Tim Brecht, Ashraf Aboulnaga