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Content and structure summarisation for accessing XML documents

Content Provider	ACM Digital Library
Author	Szlávik, Zoltán
Abstract	As the availability of structured documents is constantly increasing, retrieval systems able to return document portions are being developed. Structured documents, usually formatted in XML, may consist of large numbers of document portions, often organised into a hierarchical logical structure. With the high number of document portions, it is necessary to direct the attention of users of retrieval systems towards the most important document portions, and also, to give overviews of the structure of documents, in other words, to show document portions in context. This thesis investigates summarisation as a means to help searchers of XML retrieval systems in the process of accessing the contents of document portions. Two types of summarisation are investigated. First, summaries of the textual contents of document portions, called XML elements, are studied in a user-based environment. Traditionally, summarisation is associated with whole documents or document sets, but rarely with document portions. As summaries of documents have been proved to be useful in whole document retrieval, it is considered worthwhile to investigate summaries of document portions in XML element retrieval. Summaries of elements are presented to searchers in the context of other elements from the document. The textual summaries of elements also reflect the searchers' information needs: they are query based. The second type of summarisation investigated in this thesis is called structure summarisation. The automatic generation of tables of contents, as structure summaries, is described and examined. ToC generation is studied either when searchers' queries are available (query based structure summarisation) or otherwise (query independent structure summarisation). The work presented in this thesis has made several contributions to the fields of summarisation and interactive XML retrieval. The thesis is available online at http://www.dcs.qmul.ac.uk/~zolley/thesis.html.
Starting Page	74
Ending Page	74
Page Count	1
File Format	PDF
ISSN	01635840
DOI	10.1145/1670598.1670617
Journal	ACM SIGIR Forum (SIGF)
Volume Number	43
Issue Number	1
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1978-08-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Management Information Systems Hardware and Architecture

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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