Sciweavers

555 search results - page 9 / 111
» Aggregate Evaluability in Statistical Databases
Sort
View
ICDM
2007
IEEE
166views Data Mining» more  ICDM 2007»
14 years 2 months ago
Mining Statistical Information of Frequent Fault-Tolerant Patterns in Transactional Databases
Constraints applied on classic frequent patterns are too strict and may cause interesting patterns to be missed. Hence, researchers have proposed to mine a more relaxed version of...
Ardian Kristanto Poernomo, Vivekanand Gopalkrishna...
PODS
2003
ACM
104views Database» more  PODS 2003»
14 years 7 months ago
Maintaining time-decaying stream aggregates
We formalize the problem of maintaining time-decaying aggregates and statistics of a data stream: the relative contribution of each data item to the aggregate is scaled down by a ...
Edith Cohen, Martin Strauss
ICCCN
2007
IEEE
14 years 2 months ago
Evaluating Mobile Ad Hoc Networks: A Performance Index and Statistical Model
Abstract— This work is concerned with definining a performance index that can be used as an objective measure in the evaluation and comparison of ad hoc networking protocols. Sp...
Ikhlas Ajbar, Dmitri D. Perkins
ICDE
2010
IEEE
219views Database» more  ICDE 2010»
14 years 7 months ago
PIP: A Database System for Great and Small Expectations
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...
Oliver Kennedy, Christoph Koch
PVLDB
2008
101views more  PVLDB 2008»
13 years 7 months ago
Output perturbation with query relaxation
Given a dataset containing sensitive personal information, a statistical database answers aggregate queries in a manner that preserves individual privacy. We consider the problem ...
Xiaokui Xiao, Yufei Tao