Sciweavers

6318 search results - page 74 / 1264
» Data Leakage Detection
Sort
View
SAC
2009
ACM
15 years 8 months ago
Parameterless outlier detection in data streams
Outlyingness is a subjective concept relying on the isolation level of a (set of) record(s). Clustering-based outlier detection is a field that aims to cluster data and to detect...
Alice Marascu, Florent Masseglia
ER
1999
Springer
155views Database» more  ER 1999»
15 years 6 months ago
Detecting Redundancy in Data Warehouse Evolution
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over a set of remote data sources. A DW is intended to satisfy a set of queries. The views materi...
Dimitri Theodoratos
IGARSS
2009
14 years 11 months ago
The Quest for Automated Land Cover Change Detection using Satellite Time Series Data
This paper shows that a feedforward Multilayer Perceptron (MLP) operating over a temporal sliding window of multispectral time series MODerate-resolution Imaging Spectroradiometer...
Brian P. Salmon, Jan C. Olivier, Waldo Kleynhans, ...
ICDM
2007
IEEE
140views Data Mining» more  ICDM 2007»
15 years 5 months ago
Sequential Change Detection on Data Streams
Model-based declarative queries are becoming an attractive paradigm for interacting with many data stream applications. This has led to the development of techniques to accurately...
S. Muthukrishnan, Eric van den Berg, Yihua Wu
ICDE
2012
IEEE
223views Database» more  ICDE 2012»
13 years 4 months ago
Incremental Detection of Inconsistencies in Distributed Data
—This paper investigates the problem of incremental detection of errors in distributed data. Given a distributed database D, a set Σ of conditional functional dependencies (CFDs...
Wenfei Fan, Jianzhong Li, Nan Tang, Wenyuan Yu