agent
In modeling, an entity within a model that conducts transactions to simulate the actions of a human, group of humans, animal, or other actor.
GIS Dictionary
agent-based model
A simulation of the large-scale consequences of the decisions and interactions of individual members of a population. An agent-based model consists of an environment or framework that defines the scope … Read more
aggregation
[data editing] The process of collecting a set of similar, usually adjacent, polygons (with their associated attributes) to form a single, larger entity.