Sciweavers

222 search results - page 29 / 45
» Transaction Time Support Inside a Database Engine
Sort
View
ISADS
1999
IEEE
13 years 12 months ago
Fault Tolerance in Decentralized Systems
: In a decentralised system the problems of fault tolerance, and in particular error recovery, vary greatly depending on the design assumptions. For example, in a distributed datab...
Brian Randell
ICDM
2007
IEEE
99views Data Mining» more  ICDM 2007»
14 years 2 months ago
Optimizing Frequency Queries for Data Mining Applications
Data mining algorithms use various Trie and bitmap-based representations to optimize the support (i.e., frequency) counting performance. In this paper, we compare the memory requi...
Hassan H. Malik, John R. Kender
EUROSYS
2006
ACM
14 years 4 months ago
Database replication policies for dynamic content applications
The database tier of dynamic content servers at large Internet sites is typically hosted on centralized and expensive hardware. Recently, research prototypes have proposed using d...
Gokul Soundararajan, Cristiana Amza, Ashvin Goel
WWW
2006
ACM
14 years 8 months ago
Site level noise removal for search engines
The currently booming search engine industry has determined many online organizations to attempt to artificially increase their ranking in order to attract more visitors to their ...
André Luiz da Costa Carvalho, Paul-Alexandr...
KDD
2002
ACM
140views Data Mining» more  KDD 2002»
14 years 8 months ago
Mining frequent item sets by opportunistic projection
In this paper, we present a novel algorithm OpportuneProject for mining complete set of frequent item sets by projecting databases to grow a frequent item set tree. Our algorithm ...
Junqiang Liu, Yunhe Pan, Ke Wang, Jiawei Han