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2015 ; 6
(4
): 403-422
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Using ontologies to model human navigation behavior in information networks: A
study based on Wikipedia
#MMPMID26568745
Lamprecht D
; Strohmaier M
; Helic D
; Nyulas C
; Tudorache T
; Noy NF
; Musen MA
Semant Web
2015[]; 6
(4
): 403-422
PMID26568745
show ga
The need to examine the behavior of different user groups is a fundamental
requirement when building information systems. In this paper, we present
Ontology-based Decentralized Search (OBDS), a novel method to model the
navigation behavior of users equipped with different types of background
knowledge. Ontology-based Decentralized Search combines decentralized search, an
established method for navigation in social networks, and ontologies to model
navigation behavior in information networks. The method uses ontologies as an
explicit representation of background knowledge to inform the navigation process
and guide it towards navigation targets. By using different ontologies, users
equipped with different types of background knowledge can be represented. We
demonstrate our method using four biomedical ontologies and their associated
Wikipedia articles. We compare our simulation results with base line approaches
and with results obtained from a user study. We find that our method produces
click paths that have properties similar to those originating from human
navigators. The results suggest that our method can be used to model human
navigation behavior in systems that are based on information networks, such as
Wikipedia. This paper makes the following contributions: (i) To the best of our
knowledge, this is the first work to demonstrate the utility of ontologies in
modeling human navigation and (ii) it yields new insights and understanding about
the mechanisms of human navigation in information networks.