Use Case EIE20: Manage Experts

for

ESIP Earth Information Exchange

Version 1.0 draft

Prepared by Karl Benedict

Earth Data Analysis Center, University of New Mexico

November 22, 2005

1.Use Case Identification

1.1.Use Case Number

EIE20

1.2.Use Case Name

Create, modify, and delete entries in the portal for domain experts accessible for user queries.

2.Use Case Definition

Provide a user interface for the self-registration of domain experts into the portal as knowledge resources. Registered experts would then be published through a review process for the portal.

2.1.Actors

Provider (Expert)
Operator (Reviewer)

2.2.Preconditions

1.'Expert' is already registers with the portal as a user
2.'Expert' has been authenticated

2.3.Postconditions

1.'Expert' knowledge resource has been added to /modified/ or deleted from the service registry.
2.The change in service is reflected in subsequent service queries.

2.4.Normal Flow

EIE20.0.1) User (Expert) logs into the portal as a portal member
EIE20.0.2) User enters portal area where products and services may be registered
EIE20.0.3) User selects the option to register a new 'expert' service
EIE20.0.4) User completes a service registration or update form and submits it for review.
EIE20.0.5) Operator (reviewer) reviews and publishes the new or updated service.

2.5.Alternative Flows

Service update:

EIE20.1.1) User (Expert) logs into the portal as a portal member
EIE20.1.2) User enters portal area where products and services may be registered
EIE20.1.3) User selects the option to update an existing 'expert' service
EIE20.1.4) The current service record is retrieved and presented for modification to the service provider
EIE20.1.5) User completes update form and submits it for review.
EIE20.1.6) Operator (reviewer) reviews and publishes the updated service.

Service deletion:

EIE20.1.7) User (Expert) logs into the portal as a portal member
EIE20.1.8) User enters portal area where products and services may be registered
EIE20.1.9) User selects the option to delete an existing 'expert' service
EIE20.1.10) The current service record is retrieved and presented to the user for confirmation of the service deletion
EIE20.1.11) User confirms the deletion

2.6.Exceptions

1.Authentication information associated with an addition, modification, or deletion request is not consistent with user privileges or existing service ownership. Log the event and terminate request.
2.Service requested for modification or deletion does not exist. Log the event and terminate the request.

2.7.Extension Points

None

2.8.Priority

Moderate

2.9.Frequency of Use

Invoked once per session

2.10.Business Rules

1.Service providers must be registered with the system as a user.
2.Deletion of a user removes all Expert services associated with that user.
3.Service provider must respond to an automated availability verification at a regular time interval (i.e. monthly) for their service to remain discoverable.
4.Contact information for service provider must be verifiable

2.11.Special Requirements