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Time-aware cloud se...
Time-aware cloud service recommendation using similarity-enhanced collaborative filtering and ARIMA model
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Ding, Shuai (author)
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Li, Yeqing (author)
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- Wu, Desheng (author)
- Stockholms universitet,Företagsekonomiska institutionen,University of Chinese Academy of Sciences, China
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Zhang, Youtao (author)
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Yang, Shanlin (author)
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(creator_code:org_t)
- Elsevier BV, 2018
- 2018
- English.
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In: Decision Support Systems. - : Elsevier BV. - 0167-9236 .- 1873-5797. ; 107, s. 103-115
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The quality of service (QoS) of cloud services change frequently over time. Existing service recommendation approaches either ignore this property or address it inadequately, leading to ineffective service recommendation. In this paper, we propose a time-aware service recommendation (taSR) approach to address this issue. We first develop a novel similarity-enhanced collaborative filtering (CF) approach to capture the time feature of user similarity and address the data sparsity in the existing PITs (point in time). We then apply autoregressive integrated moving average model (ARIMA) to predict the QoS values in the future PIT under QoS instantaneity. We evaluate the proposed approach and compare it to the state-of-the-art. Our experimental results show that taSR achieves significant performance improvements over existing approaches.
Subject headings
- NATURVETENSKAP -- Data- och informationsvetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences (hsv//eng)
- SAMHÄLLSVETENSKAP -- Ekonomi och näringsliv (hsv//swe)
- SOCIAL SCIENCES -- Economics and Business (hsv//eng)
Keyword
- Cloud service
- Time-aware recommendation
- QoS
- Similarity-enhanced CF
- ARIMA
Publication and Content Type
- ref (subject category)
- art (subject category)
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