Accession Number:

ADA390812

Title:

An Architecture and Prototype System for Automatically Processing Natural-Language Statements of Policy

Descriptive Note:

Master's Thesis

Corporate Author:

NAVAL POSTGRADUATE SCHOOL MONTEREY CA

Personal Author(s):

Report Date:

2001-03-01

Pagination or Media Count:

103.0

Abstract:

Organizations are policy-driven entities. Policy bases can be very large and complex these factors are compounded by the dynamic nature of policy evolution. Thus, comprehension of the ramifications of both policy modification and assurance of the consistency, completeness, and correctness of a policy base necessarily requires some level of computer-based support. A policy workbench is an integrated set of computer-based tools for developing, reasoning about, and maintaining policy. A workbench takes as input a computationally equivalent form of policy statements. In this thesis we explore approaches for translating natural-language policy statements into their equivalent computational form with minimal user interaction. We present the architecture of a natural-language input-processing tool NLIPT, which we designed to augment a policy workbench. NLIPT components consist of an extractor, index-term generator, structural modeler, and logic modeler. We experimented with a prototype of the extractor. The extractor successfully parsed twenty-seven of a sample of ninety-nine of U.S. Department of Defense security policy statements. An additional twenty-one statements were correctly parsed based on the syntactic structure of the input.

Subject Categories:

  • Government and Political Science
  • Computer Programming and Software

Distribution Statement:

APPROVED FOR PUBLIC RELEASE