Multi-layered HITS on Multi-sourced Networks
Başlık:
Multi-layered HITS on Multi-sourced Networks
Yazar:
Yu, Haichao, author.
ISBN:
9780438024847
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (44 pages)
Genel Not:
Source: Masters Abstracts International, Volume: 57-06M(E).
Advisors: Hanghang Tong Committee members: Jingrui He; Yezhou Yang.
Özet:
Network mining has been attracting a lot of research attention because of the prevalence of networks. As the world is becoming increasingly connected and correlated, networks arising from inter-dependent application domains are often collected from different sources, forming the so-called multi-sourced networks. Examples of such multi-sourced networks include critical infrastructure networks, multi-platform social networks, cross-domain collaboration networks, and many more. Compared with single-sourced network, multi-sourced networks bear more complex structures and therefore could potentially contain more valuable information.
This thesis proposes a multi-layered HITS (Hyperlink-Induced Topic Search) algorithm to perform the ranking task on multi-sourced networks. Specifically, each node in the network receives an authority score and a hub score for evaluating the value of the node itself and the value of its outgoing links respectively. Based on a recent multi-layered network model, which allows more flexible dependency structure across different sources (i.e., layers), the proposed algorithm leverages both within-layer smoothness and cross-layer consistency. This essentially allows nodes from different layers to be ranked accordingly. The multi-layered HITS is formulated as a regularized optimization problem with non-negative constraint and solved by an iterative update process. Extensive experimental evaluations demonstrate the effectiveness and explainability of the proposed algorithm.
Notlar:
School code: 0010
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(694472.1) | 694472-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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