From Federation of Earth Science Information Partners

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

Contents 1 1.Use Case Identification 1.1 1.1.Use Case Number 1.2 1.2.Use Case Name 2 2.Use Case Definition 2.1 2.1.Actors 2.2 2.2.Preconditions 2.3 2.3.Postconditions 2.4 2.4.Normal Flow 2.5 2.5.Alternative Flows 2.5.1 Service update: 2.5.2 Service deletion: 2.6 2.6.Exceptions 2.7 2.7.Extension Points 2.8 2.8.Priority 2.9 2.9.Frequency of Use 2.10 2.10.Business Rules 2.11 2.11.Special Requirements 2.12 2.12.Assumptions 2.13 2.13.Notes and Issues

[edit] 1.Use Case Identification

[edit] 1.1.Use Case Number

EIE20

[edit] 1.2.Use Case Name

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

[edit] 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.

[edit] 2.1.Actors

• Provider (Expert)
• Operator (Reviewer)

[edit] 2.2.Preconditions

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

[edit] 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.

[edit] 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.

[edit] 2.5.Alternative Flows

[edit] 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.

[edit] 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

[edit] 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.

[edit] 2.7.Extension Points

None

[edit] 2.8.Priority

Moderate

[edit] 2.9.Frequency of Use

Invoked once per session

[edit] 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

[edit] 2.11.Special Requirements

None

[edit] 2.12.Assumptions

The Expert services managed through this use case are based upon a human resource that would respond to requests provided through standard (telephone, e-mail, post) communication methods.

[edit] 2.13.Notes and Issues

Criteria for validation of expert services need to be established so that both service providers and operators responsible for publishing advertisements understand and apply these criteria.