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Table 4 Variables (and corresponding predicate names) to be used in the ELDS module development along with parameter types and description are shown

From: On the realization of the recognition-primed decision model for artificial agents

Factor/variable

Predicate

Parameters

Descriptions

Alarm Recognition

R

(agent, alarm, t)

An agent recognizes an alarm as being GPA or PAPA during time interval t

Focus of attention or has focus on

HFO

(agent, pa, t)

An agent has focus on pa messagea during time t

Encounters or sees a threat or hazard

ST

(agent, thtType, t)

An agent has seen a hazard of type, thtType, during t

Follows a PA

FPA

(agent, pa, t)

An agent understands the wording in PA.

Intention to move to a specific muster location

HITR

(agent, musterLoc, t)

An agent has (developed) an intention during t to reach a specific muster location

Situation awareness of emergency

HES

(agent, emgSitType, t)

An agent got awareness about the situation type, emgSitType, during time t

Paying attention to alarm

L

(agent,alarm,t)

An agent listens to an alarm during time interval t

Assessment of alarm recognition based on listening alarm

BST

(agent,alarm,t)

An agent listens to an alarm before seeing the threat. This predicate is used in conjunction with others in rules 2, 5, 9 to assess if the alarm recognition is done before seeing a threat (BST). This concludes that the alarm is recognized otherwise the SA might be due to some other factor such as watching a fire

Sensing of an emergency

HSES

(agent)

Based on the antecedent in rules 3 and 4 an agent will get a sense of some emergency without getting further details

  1. aThe PA was made by a verbal announcement of the message, “Attention all personnel! This is the offshore installation manager speaking. We have report of a fire in a galley.”