using suppression for proactive data quality improvement

© Experian Limited 2007. All rights reserved. Experian and the marks used herein are service marks or registered trademarks of Experian Limited. Other product and company names mentioned herein may be the trademarks of their respective owners. No part of this copyrighted work may be reproduced, modified, or distributed in any form or manner without the prior written permission of Experian Limited.Confidential and proprietary.

Using suppression for proactive data quality improvement

Presented by: Elaine Roche, Senior Consultant

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 2

Database degradation

13%*

600,000*

14% per year

*Source: ONS

1.2 m

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 3

What is Suppression data?

Goneaway / Movers

Change of Address

Deceased

Preference Service

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 4

QuickAddress Batch with Suppression

“86% of respondents see clear benefits to suppressing data”

QAS suppression research July 2007

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 5

Compliance42%

Improved citizen

Perception 79%

Why does suppression matter?

Ability to make informed decisions

on accurate data – 39%

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 6

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 7

Assess the state of your data Employ QAS data audit

Stage 1

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 8

Stage 1

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 9

Stage 2

What can you do about it?

– Use QuickAddress Batch to clean your database

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 10

Stage 2

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 11

Why?

Because data isn’t static

E.g. Elaine Roche Aug 04: Moved Cork, Ireland Gunnersbury Ave, Acton

Aug 05: Moved Gunnersbury , Acton Honeywell Rd, Clapham

Aug 06: Moved Honeywell Rd, Clapham Balham Grove, Balham

Name and address captured pre-2006 is no longer accurate

Valuable contact information lost

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 12

Solution?

– Use QuickAddress Batch to clean and suppress

Stage 2a

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 13

Stage 2a

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 14

– Use QuickAddress Batch to maintain over time

Stage 3

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 15

Benefits of suppression

Cost savings

Improved citizen perception

Reduced risk of fraud

Compliance

Internal joined up working

Ability to make informed decisions based on accurate data

© Experian Limited 2007. All rights reserved.Confidential and proprietary. 16

What can you do next?

Request free data health check

Contact your account manager for a free copy of Butler Group Technology Audit

www.qas.co.uk/batchwithsuppression

© Experian Limited 2007. All rights reserved. Experian and the marks used herein are service marks or registered trademarks of Experian Limited. Other product and company names mentioned herein may be the trademarks of their respective owners. No part of this copyrighted work may be reproduced, modified, or distributed in any form or manner without the prior written permission of Experian Limited.Confidential and proprietary.

Thank you for listening