NDLI: An Integrated-Model QoS-Based Graph for Web Service Recommendation

Content Provider	IEEE Xplore Digital Library
Author	Abdullah, A. Xining Li
Copyright Year	2015
Description	Author affiliation: Sch. of Comput. Sci., Univ. of Guelph, Guelph, ON, Canada (Abdullah, A.; Xining Li)
Abstract	Web services (WS) are integrated software components that facilitate interoperable machine-to-machine interaction over a network. In the era of Web 2.0, companies worldwide are actively deploying Web services within their business environments. As a result, designing effective Web service recommendation mechanisms based on Quality of Service (QoS) is attracting more attention. However, traditional Neighborhood-based Collaborative Filtering (CF) models fail to capture the actual relationships between users or services due to data sparsity. On the other hand, Random Walk (RW) algorithm, which has been categorized as a sparsity-tolerant recommendation approach, suffers from poor performance in terms of recommendation accuracy. In this paper, we aim at designing a recommendation model that achieves high recommendation accuracy over the transitional RW based model. First, we propose an Integrated-Model QoS-based Graph (IMQG), in which users and services represent the nodes while weighted QoS magnitudes and User/Service similarity measurements serve as the edges. We use Jaccard coefficient in several variants to separately compute similarities of both Users and Services. Then, Top-k Random Walk algorithm is applied to generate final recommendation list to active users. Finally, to demonstrate the effectiveness of our model, comprehensive experiments are conducted on a real-world QoS dataset. Analysis of the results shows high improvement in recommendation accuracy with more tolerance to data sparsity.
Starting Page	416
Ending Page	423
File Size	304759
Page Count	8
File Format	PDF
e-ISBN	9781467372725
DOI	10.1109/ICWS.2015.62
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quality of service Web services Accuracy Bipartite graph Time factors Computational modeling Collaboration Random Walk Web service QoS Jaccard coefficient
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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