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» Algorithms for the Database Layout Problem
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GCC
2005
Springer
15 years 9 months ago
Query Optimization in Database Grid
DarGridâ…ˇ is an implemented database gird system whose goal is to provide a semantic solution for integrating database resources on the web. Although many algorithms have been pro...
Xiaoqing Zheng, Huajun Chen, Zhaohui Wu, Yuxin Mao
DEXAW
1997
IEEE
77views Database» more  DEXAW 1997»
15 years 8 months ago
A Per-object Based Hybrid Concurrency Control
Existing concurrency control algorithms do not well conform to various environments, in the performance perspective. Each algorithm has some assumption on the conflict characteris...
Tae-Young Kwak, Yoon-Joon Lee, Myoung-Ho Kim
CIKM
2006
Springer
15 years 7 months ago
Describing differences between databases
We study the novel problem of efficiently computing the update distance for a pair of relational databases. In analogy to the edit distance of strings, we define the update distan...
Heiko Müller, Johann Christoph Freytag, Ulf L...
PODS
2009
ACM
130views Database» more  PODS 2009»
16 years 4 months ago
The finite model theory toolbox of a database theoretician
For many years, finite model theory was viewed as the backbone of database theory, and database theory in turn supplied finite model theory with key motivations and problems. By n...
Leonid Libkin
152
Voted
SIGMOD
2011
ACM
295views Database» more  SIGMOD 2011»
14 years 7 months ago
Attribute domain discovery for hidden web databases
Many web databases are hidden behind restrictive form-like interfaces which may or may not provide domain information for an attribute. When attribute domains are not available, d...
Xin Jin, Nan Zhang 0004, Gautam Das