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SIGMOD
2000
ACM
83views Database» more  SIGMOD 2000»
15 years 8 months ago
Synchronizing a Database to Improve Freshness
In this paper we study how to refresh a local copy of an autonomous data source to maintain the copy up-to-date. As the size of the data grows, it becomes more difficult to mainta...
Junghoo Cho, Hector Garcia-Molina

Publication
1686views
16 years 10 months ago
Information Preserving Color Transformation for Protanopia and Deuteranopia
In this letter, we proposed a new recoloring method for people with protanopic and deuteranopic color deficiencies.We present a color transformation that aims to preserve the color...
Jia-Bin Huang, Yu-Cheng Tseng, Se-In Wu, and Sheng...
ICIP
2004
IEEE
16 years 5 months ago
Deringing and deblocking dct compression artifacts with efficient shifted transforms
A new method, using weighted combinations of shifted transforms, is developed for deringing and deblocking DCT compressed color images. The method shows substantial deringing impr...
Ramin Samadani, Arvind Sundararajan, Amir Said
ICDE
2007
IEEE
156views Database» more  ICDE 2007»
16 years 5 months ago
Using Control Theory for Load Shedding in Data Stream Management
Database performance can be greatly affected by environmental and internal dynamics such as workloads and system configurations. Existing strategies to maintain performance under ...
Yi-Cheng Tu, Song Liu, Sunil Prabhakar, Bin Yao, W...
ICDE
2005
IEEE
147views Database» more  ICDE 2005»
16 years 5 months ago
Cost-Driven General Join View Maintenance over Distributed Data Sources
Maintaining materialized views that have join conditions between arbitrary pairs of data sources possibly with cycles is critical for many applications. In this work, we model vie...
Bin Liu, Elke A. Rundensteiner