AJAX: An Extensible Data Cleaning Tool


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AJAX: An Extensible Data Cleaning Tool

Citeseer cleaning program

Declaration of external functions

Algorithms and input data flows

Data transformations

Logging in AJAX

Graph of transformations

Browse DirtyData

Show transformation code

Executing transformation

Finishing the transformation execution

Data flow resulting from the mapping execution

Extraction of pages, volume, number, url and year

Execution throwing exceptions

Explaining exceptions

Inspecting the exceptional tuple

Updating an exceptional tuple

Re-executing the transformation

Normalization code

Summary of normalization execution

Extraction of authors, title and event name

Extraction execution

Extracted author names

Matching author names

Executing the matching transformation

Matches

Clustering and merging

Explaining merging exceptions

Correcting exceptional situation in merging

Updating result of merging

Alternative ways of execution

Author: Helena Galhardas