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Categorizing E-mail for Delegation Purposes Disclosure Number: IPCOM000019487D
Original Publication Date: 2003-Sep-16
Included in the Prior Art Database: 2003-Sep-16
Document File: 3 page(s) / 74K

Publishing Venue



Disclosed is a system for delegation of email based on the email source address (name or relationship), content and delivery tags.

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Categorizing E-mail for Delegation Purposes

Disclosed is a method for automatically delegating email to multiple people using Bayesian filtering which learns from past delegations performed. This system is designed to intelligently categorize email for delegation. Today, Lotus Notes has email delegation with the following options:

Read my mail and read my calendar Read and send mail on my behalf and read my calendar Read, send, and edit any document in my mail file Delete mail and calendar entries

While this provides some relief to the information overload that comes with too much email, it still has problems. It does not reduce the volume of email in the user's in/out baskets.

The idea is to have some email that comes in to automatically be sent to an alternate user for inspection and processing. This is especially important in the internet era, when public email address have become the norm. Email is delegated to another users inbasket, and never appears in your own inbox. Delegating spam is a perfect application of this idea, although there are many more. While you do not want to see the spam, no spam filtering technique is fool-proof. A busy person delegates email which has automatically been identified as spam to an assistant who then verifies that the email is indeed spam. If the email is not spam, the assistant reroutes the message back to the original user for processing.

Another utilization of this technique is for a manager to automatically delegate incoming tasks to the responsible person in the department.


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Categorizing E-mail for Delegation Purposes Logic Flow



Undelegated Email

Delegated Folder






Targets of Delegation



2. 3.

Delegation Filter



Several techniques/rules are used to determine if the email should be delegated and to whom should it be delegated. Figure 1 depicts the logic flow of categorizing email for delegation:

1. Each time the user clicks the 'delegate' button on his e-mail screen the corpora are updated with the new target of delegation address (if applicable) and information specific to the email. A corpus is a collection of recorded statements based on specific e-mail content used as a basis for descriptive analysis. The corpora consists of the following:
a. E-mail source addresses whitelist for addresses which the user has chosen to never delegate.
b. E-mail source addresses blacklist for addresses which the user has chosen to always delegate.
c. Delegation corpora (ex. Bob, Alice, Joe) containing statements from e-mail content filtered using the commonly used Bayesian filtering techniques. These categorizations could consist of the following (user options a...