Sciweavers

2367 search results - page 32 / 474
» Measuring and Comparing Effectiveness of Data Quality Techni...
Sort
View
ICDE
2009
IEEE
202views Database» more  ICDE 2009»
16 years 8 months ago
Tracking High Quality Clusters over Uncertain Data Streams
Recently, data mining over uncertain data streams has attracted a lot of attentions because of the widely existed imprecise data generated from a variety of streaming applications....
Chen Zhang, Ming Gao, Aoying Zhou
BNCOD
2009
182views Database» more  BNCOD 2009»
15 years 7 months ago
Conditional Dependencies: A Principled Approach to Improving Data Quality
Real-life date is often dirty and costs billions of pounds to businesses worldwide each year. This paper presents a promising approach to improving data quality. It effectively det...
Wenfei Fan, Floris Geerts, Xibei Jia
UMUAI
1998
128views more  UMUAI 1998»
15 years 5 months ago
Using Decision Trees for Agent Modeling: Improving Prediction Performance
A modeling system may be required to predict an agent’s future actions under constraints of inadequate or contradictory relevant historical evidence. This can result in low predi...
Bark Cheung Chiu, Geoffrey I. Webb
VLDB
2002
ACM
137views Database» more  VLDB 2002»
15 years 5 months ago
Comparing Data Streams Using Hamming Norms (How to Zero In)
Massive data streams are now fundamental to many data processing applications. For example, Internet routers produce large scale diagnostic data streams. Such streams are rarely s...
Graham Cormode, Mayur Datar, Piotr Indyk, S. Muthu...
IMC
2009
ACM
16 years 21 days ago
Sampling biases in network path measurements and what to do about it
We show that currently prevalent practices for network path measurements can produce inaccurate inferences because of sampling biases. The inferred mean path latency can be more t...
Srikanth Kandula, Ratul Mahajan