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Data Warehousing: Inmon's Definition and Orientation

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Data Warehousing: Inmon's Definition and Orientation

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Questions and Answers

What is the primary objective of the initial analysis in the context of aviation safety records?

To identify patterns that predict safety problems in the aviation industry (correct)

To evaluate the effectiveness of the FAA's Pilot Deviation database

To develop a comprehensive database of aviation safety records

To compare the human error models of the NTSB and FAA

What is the main challenge in integrating data from different sources in aviation safety records?

The limited availability of data mining tools

The complexity of mining patterns from a mix of structured and unstructured data (correct)

The lack of data from various sources

The inability to develop human error models

Which of the following databases is not used in the development of human error models?

FAA's Pilot Deviation database

NTSB's accident and incident database

Federal Aviation Administration's Flight Crew Accident database

National Transportation Safety Board's human error database (correct)

What is the estimated percentage of events labeled 'unclassified' in the NTSB database?

90% Signup and view all the answers

What is the primary limitation of the current human error models?

They are not applicable to a large number of records Signup and view all the answers

What is the extension of the FAA Office of System Safety's Flight Crew Accident and Incident Human Factors Project?

The current data mining effort Signup and view all the answers

What is the approximate number of NTSB events currently labeled 'unknown'?

80,000 Signup and view all the answers

What is the percentage of events in the PDS database that are labeled 'unclassified'?

93% Signup and view all the answers

What is the purpose of the human error models developed in the previous approach?

To check for certain values in specific fields Signup and view all the answers

What is the main goal of integrating data from different sources in the context of aviation safety records?

To improve airline safety by finding patterns that predict safety problems Signup and view all the answers