Sciweavers

4560 search results - page 216 / 912
» Finding Data in the Neighborhood
Sort
View
ICDE
2008
IEEE
498views Database» more  ICDE 2008»
15 years 8 months ago
Injector: Mining Background Knowledge for Data Anonymization
Existing work on privacy-preserving data publishing cannot satisfactorily prevent an adversary with background knowledge from learning important sensitive information. The main cha...
Tiancheng Li, Ninghui Li
KDD
2008
ACM
234views Data Mining» more  KDD 2008»
14 years 8 months ago
Angle-based outlier detection in high-dimensional data
Detecting outliers in a large set of data objects is a major data mining task aiming at finding different mechanisms responsible for different groups of objects in a data set. All...
Hans-Peter Kriegel, Matthias Schubert, Arthur Zime...
VLDB
2001
ACM
108views Database» more  VLDB 2001»
14 years 22 days ago
Potter's Wheel: An Interactive Data Cleaning System
Cleaning data of errors in structure and content is important for data warehousing and integration. Current solutions for data cleaning involve many iterations of data “auditing...
Vijayshankar Raman, Joseph M. Hellerstein
KDD
2003
ACM
192views Data Mining» more  KDD 2003»
14 years 8 months ago
Efficient elastic burst detection in data streams
Burst detection is the activity of finding abnormal aggregates in data streams. Such aggregates are based on sliding windows over data streams. In some applications, we want to mo...
Yunyue Zhu, Dennis Shasha
PODS
2006
ACM
122views Database» more  PODS 2006»
14 years 8 months ago
Space- and time-efficient deterministic algorithms for biased quantiles over data streams
Skew is prevalent in data streams, and should be taken into account by algorithms that analyze the data. The problem of finding "biased quantiles"-- that is, approximate...
Graham Cormode, Flip Korn, S. Muthukrishnan, Dives...