Sciweavers

8259 search results - page 662 / 1652
» Self-Tuning Database Systems
Sort
View
SDM
2007
SIAM
103views Data Mining» more  SDM 2007»
15 years 8 months ago
A System for Keyword Search on Textual Streams
An increasing amount of data is produced in the form of text streams − these can be RSS news feeds, TV closed captions, emails, etc. We study the problem of answering keyword qu...
Vagelis Hristidis, Oscar Valdivia, Michail Vlachos...
ICDAR
2009
IEEE
15 years 5 months ago
Evaluation of Different Strategies to Optimize an HMM-Based Character Recognition System
Different strategies for combination of complementary features in an HMM-based method for handwritten character recognition are evaluated. In addition, a noise reduction method is...
Murilo Santos, Albert Hung-Ren Ko, Luiz S. Oliveir...
ICDE
2006
IEEE
162views Database» more  ICDE 2006»
16 years 8 months ago
Efficient Batch Top-k Search for Dictionary-based Entity Recognition
We consider the problem of speeding up Entity Recognition systems that exploit existing large databases of structured entities to improve extraction accuracy. These systems requir...
Amit Chandel, P. C. Nagesh, Sunita Sarawagi
ICDE
2006
IEEE
144views Database» more  ICDE 2006»
16 years 8 months ago
Super-Scalar RAM-CPU Cache Compression
High-performance data-intensive query processing tasks like OLAP, data mining or scientific data analysis can be severely I/O bound, even when high-end RAID storage systems are us...
Marcin Zukowski, Niels Nes, Peter A. Boncz, S&aacu...
ICDE
2005
IEEE
143views Database» more  ICDE 2005»
16 years 8 months ago
Postgres-R(SI): Combining Replica Control with Concurrency Control based on Snapshot Isolation
Replicating data over a cluster of workstations is a powerful tool to increase performance, and provide faulttolerance for demanding database applications. The big challenge in su...
Shuqing Wu, Bettina Kemme