NDLI: Hot or not: Interactive content search using comparisons

Content Provider	IEEE Xplore Digital Library
Author	Karbasi, A. Ioannidis, S. Massoulie, L.
Copyright Year	2012
Description	Author affiliation: Technicolor, Paris, France (Massoulie, L.) \|\| School of Computer and Communication Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland (Karbasi, A.) \|\| Technicolor, Palo Alto, USA (Ioannidis, S.)
Abstract	In interactive content search through comparisons, a user searching for a target object in a database is asked to select the object most similar to her target from a small list of objects. A new object list is then presented to the user based on her earlier selections. This process is repeated until the target is included in the list presented, at which point the search terminates. We study this problem under the scenario of heterogeneous demand, where target objects are selected from a non-uniform probability distribution. We also assume that objects are embedded in a doubling metric space which is fully observable to the search algorithm. Based on these assumptions, we devise an efficient comparison-based search algorithm whose cost in terms of the number of queries can be bounded by the doubling constant of the embedding c, and the entropy of demand distribution, H. More precisely, we show that the average search costs scales ̄CF = $O(c^{5}H),$ which improves upon the previously best known bound and is order optimal for constant c.
Starting Page	291
Ending Page	297
File Size	318771
Page Count	7
File Format	PDF
ISBN	9781467314732
e-ISBN	9781467314725
DOI	10.1109/ITA.2012.6181787
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-02-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Databases Navigation Humans Search problems Extraterrestrial measurements Entropy
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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