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Towards event ordering in digital forensics
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Levett, C., Jhumka, Arshad and Anand, Sarabjot Singh (2010) Towards event ordering in digital forensics. In: 12th ACM Multimedia Security Workshop, Univ Studi Roma TRE, Roma, Italy, 09-10 Sep 2010 . Published in: MM&Sec '10 : proceedings of the 2010 ACM SIGMM Multimedia and Security Workshop ; September 9-10, 2010, Roma, Italy / sponsored by ACM SIGMM pp. 35-42. doi:10.1145/1854229.1854238 ISSN 9781450302869.
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Abstract
In criminal investigation and criminal justice, investigators are usually faced with several reports, which contain a set of events of interest. Often, it is important to be able to order these events so that relevant queries can be posed on this ordering, such as "was X at location Y when the murder took place?" However, ordering of these events is very difficult, especially if very few events are anchored in time, i.e., few events are associated with an explicit time. Manual extraction of all the events of interest from these reports is tedious. On the other hand, automated extraction is inaccurate at best, in the sense that either several events that may not be important could be included. This ultimately gives a large set of events to consider, and imposing an ordering on this set can yield a large tree structure, where nodes represent an event of interest, and an edge (i, j) indicates that event i occurred before or at the same time as event j, and the root node represents a special "start" event. In this paper, we investigate two techniques for automating extraction of events, and then ordering these. We compare the efficiency of the techniques through the size of the tree structure obtained.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | ||||
Library of Congress Subject Headings (LCSH): | Forensic sciences -- Data processing, Forensic sciences -- Technological innovations | ||||
Journal or Publication Title: | MM&Sec '10 : proceedings of the 2010 ACM SIGMM Multimedia and Security Workshop ; September 9-10, 2010, Roma, Italy / sponsored by ACM SIGMM | ||||
Publisher: | Association for Computing Machinery | ||||
ISSN: | 9781450302869 | ||||
Official Date: | 2010 | ||||
Dates: |
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Page Range: | pp. 35-42 | ||||
DOI: | 10.1145/1854229.1854238 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 12th ACM Multimedia Security Workshop | ||||
Type of Event: | Conference | ||||
Location of Event: | Univ Studi Roma TRE, Roma, Italy | ||||
Date(s) of Event: | 09-10 Sep 2010 |
Data sourced from Thomson Reuters' Web of Knowledge
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