DATA DRIVEN PARSING Impact of Reference Data on Contact Data Parsing.
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Transcript of DATA DRIVEN PARSING Impact of Reference Data on Contact Data Parsing.
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DATA DRIVEN PARSINGImpact of Reference Data on Contact Data Parsing
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UNDERSTANDING VS. KNOWLEDGEThe difference between an Algorithmic Approach vs. a Data Driven Approach
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Definition
PARSING
Analyze (a string or text) into logical syntactic components.
* The process of detecting and extracting individual components of a string into their respective and specific Domains.
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The Algorithmic Approach
Understanding Addresses
123 Main St,Los Angeles, CA 90210USA
ADDRESSLINE
CITY
STATE ZIP
COUNTRY
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The Algorithmic Approach
Understanding Phone Numbers
1 (800) 800 - 6245
AREA CODE
US COUNTRY CODE
SUFFIX
PREFIX
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The Algorithmic Approach
Understanding Names
Condition Name Form
2 words John Doe First Last
2 words with comma Doe, John Last First
3 words John M. Doe First Middle Last
4 words John M. Doe Jr. First Middle Last Suffix
• Use of Word Counts
TECHNIQUES
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The Algorithmic Approach
Disadvantages
• Logic is very Presumptuous
• Relies for the data to be well formed
• There will always be exceptions
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The Algorithmic Approach
Exception: No Delimiters
123 Main St Los Angeles CA 90210 USA
ADDRESSLINE
CITY
STATE ZIP
COUNTRY
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The Algorithmic Approach
Exceptions: Missing Elements
123 Main St,Los Angeles, CA 90210
ADDRESSLINE
CITY
STATE
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The Algorithmic Approach
Exceptions: Missing Elements
123 Main St,Los Angeles, CA 90210
ADDRESSLINE
ZIP
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The Algorithmic Approach
Exceptions: Unconventional Order
123 Main St,90210 Los Angeles, CAUSA
ADDRESSLINE
ZIP
CITY STATE
COUNTRY
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The Algorithmic Approach
Exceptions: Missing Elements
(800) 800 - 6245
AREA CODE SUFFIX
PREFIX
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The Algorithmic Approach
Exception: Unexpected Elements
1 (800) 800 – 6245 x236
AREA CODE
US COUNTRY CODE
SUFFIX
PREFIX EXTENSION
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The Algorithmic Approach
Exceptions: Name
Exception Name Form
Inverted Order Doe John Last First
Prefix Dr. John Doe Prefix First Last
Unknown Type John First
Dual Name John and Jane Doe First1 First2 Last
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The Algorithmic Approach
Exception: Combination of Domains
22382 Avenida Empresa, 92688 1(800) 800 –6245 Melissa Data [email protected]
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The Data Driven Approach
Advantages
• Bypasses many exceptions
• Does not rely on well formed data
• Having both an Understanding and Knowledge of Domains greatly improves Parsing Accuracy
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The Data Driven Approach
Knowledge of State through Reference
123 Main St Los Angeles CA 90210 USAState
AK
AZ
AR
CA
CO
CT
DE
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The Data Driven Approach
Knowledge of Zip through Reference
123 Main St Los Angeles CA 90210 USAZip
90200
90207
90208
90210
90211
90215
90220
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The Algorithmic Approach
Knowledge of Area Code and Prefix through Reference
(800) 800 - 6245
Area Codes
714
866
855
800
877
909
Area Codes
672
682
692
800
822
872
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The Algorithmic Approach
Knowledge of First Names through Reference
Vertido Joseph
First Name
John
James
Jerry
Joseph
Jeffrey
Jeremy
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Problem
Data alone is not enough
123 Main Ct Hartford CT 06154 USAState
AK
AZ
AR
CA
CO
CT
DE
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Intelligent Parsing: The Combined Approach
By using both Logic and Data, we can develop a more Robust and Intelligent way to parse Contact Data and overcome exceptions that would otherwise cause problems.
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DEMOMelissa Data Solution to Intelligent Parsing
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Recap
Algorithmic Approach
Reference Data Approach
Intelligent Parsing using both Algorithms/Logic and Reference Data through the Melissa Data Components.
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Joseph [email protected]
800 800 6245 x827 Download the Data Quality Components for SSIS
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