66 citations · 303 across the 30 of their papers we have counts for
4 papers · 1 filter
Effective Discovery of Meaningful Outlier Relationships
Aline Bessa, Juliana Freire, Divesh Srivastava +1
We propose PODS (Predictable Outliers in Data-trendS), a method that, given a collection of temporal data sets, derives data-driven explanations for outliers by identifying meaning…
Random Sampling for Group-By Queries
Trong Duc Nguyen, Ming-Hung Shih, Sai Sree Parvathaneni +3
Random sampling has been widely used in approximate query processing on large databases, due to its potential to significantly reduce resource usage and response times, at the cost…
Errata Note: Discovering Order Dependencies through Order Compatibility
Parke Godfrey, Lukasz Golab, Mehdi Kargar +2
A number of extensions to the classical notion of functional dependencies have been proposed to express and enforce application semantics. One of these extensions is that of order…
ABC of Order Dependencies
Pei Li, Michael Bohlen, Jaroslaw Szlichta +1
We enhance constrained-based data quality with approximate band conditional order dependencies (abcODs). Band ODs model the semantics of attributes that are monotonically related w…