NDLI: Access Control Policy Extraction from Unconstrained Natural Language Text

Content Provider	IEEE Xplore Digital Library
Author	Slankas, J. Williams, L.
Copyright Year	2013
Description	Author affiliation: Dept. of Comput. Sci., North Carolina State Univ., Raleigh, NC, USA (Slankas, J.; Williams, L.)
Abstract	While access control mechanisms have existed in computer systems since the 1960s, modern system developers often fail to ensure appropriate mechanisms are implemented within particular systems. Such failures allow for individuals, both benign and malicious, to view and manipulate information that they should not otherwise be able to access. The goal of our research is to help developers improve security by extracting the access control policies implicitly and explicitly defined in natural language project artifacts. Developers can then verify and implement the extracted access control policies within a system. We propose a machine-learning based process to parse existing, unaltered natural language documents, such as requirement or technical specifications to extract the relevant subjects, actions, and resources for an access control policy. To evaluate our approach, we analyzed a public requirements specification. We had a precision of 0.87 with a recall of 0.91 in classifying sentences as access control or not. Through a bootstrapping process utilizing dependency graphs, we correctly identified the subjects, actions, and objects elements of the access control policies with a precision of 0.46 and a recall of 0.54.
Starting Page	435
Ending Page	440
File Size	214020
Page Count	6
File Format	PDF
ISBN	9780769551371
DOI	10.1109/SocialCom.2013.68
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Access control Relation extraction Natural languages Process control Documentation Machine learning Speech Natural language processing Grammar Security Pattern matching
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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