185 citations · 370 across the 36 of their papers we have counts for
3 papers · 2 filters
Outlier Detection Techniques for SQL and ETL Tuning
Saptarsi Goswami, Samiran Ghosh, Amlan Chakrabarti
RDBMS is the heart for both OLTP and OLAP types of applications. For both types of applications thousands of queries expressed in terms of SQL are executed on daily basis. All the…
Quartile Clustering: A quartile based technique for Generating Meaningful Clusters
Saptarsi Goswami, Amlan Chakrabarti
Clustering is one of the main tasks in exploratory data analysis and descriptive statistics where the main objective is partitioning observations in groups. Clustering has a broad…
Outlier detection from ETL Execution trace
Saptarsi Goswami, Samiran Ghosh, Amlan Chakrabarti
Extract, Transform, Load (ETL) is an integral part of Data Warehousing (DW) implementation. The commercial tools that are used for this purpose captures lot of execution trace in f…