Business Requirements 

The National Integrated Land System was developed using an object-oriented analysis and design (OOAD) method to capture the essential business process requirements.  The OOAD approach focused on modeling the real-world entities that were involved in an integrated set of business processes. Essential business processes are identified, named and described as "use cases". 

Use cases serve as conceptual containers for the series of steps that are performed to complete a given workflow process.  As the description of the use case becomes more detailed, a set of real-world actors, inputs, document, forms, processes, interactions and outputs are identified. These process-related entities are "candidates" for the types of software "objects" that are developed in COTS and the custom software that makeup NILS. The documents below reflect the development of the NILS business requirements to date.  

General
Diagram of the NILS Requirements and Analysis Process

Concept of Operation and User Requirements
This document describes the business processes ("Use Cases") needed to collect, maintain, and store parcel-based information that meets the needs of the widest possible spectrum of land title and resource information providers and customers.

ArcGIS Parcel Data Model
NILS uses a version of ESRI's Land Parcel Data Model in accordance with the National Cadastral Data Content Standard.

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