NDLI: A biased random walk recommender based on Rejection Sampling

Content Provider	IEEE Xplore Digital Library
Author	Alexandridis, G. Siolas, G. Stafylopatis, A.
Copyright Year	2013
Description	Author affiliation: Sch. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens, Zografou, Greece (Alexandridis, G.; Siolas, G.; Stafylopatis, A.)
Abstract	In this paper, we focus on Recommender Systems that are enhanced with social information in the form of trust statements between their users. The trust information may be processed in a number of ways, including the random walks in the Social Graph, where every step in the walk is chosen almost uniformly at random from the available choices. Even though this strategy yields satisfactory results, it still does not fully exploit the similarity information among users and items. Our work tries to model user-to-user and user-to-item relation as a probability distribution using a novel approach based on Rejection Sampling in order to decide on its next step (biased random walk). Some initial results on reference datasets reveal the potential of this idea.
Sponsorship	IEEE Comput. Soc.
Starting Page	648
Ending Page	652
File Size	112352
Page Count	5
File Format	PDF
ISBN	9781450322409
DOI	10.1145/2492517.2492653
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-25
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	ACM and IEEE
Subject Keyword	Measurement Correlation Social network services Conferences Collaboration Probability distribution Recommender systems
Content Type	Text
Resource Type	Article

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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
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