114 citations · 456 across the 24 of their papers we have counts for
3 papers · 1 filter
HopRank: How Semantic Structure Influences Teleportation in PageRank (A Case Study on BioPortal)
Lisette Espín-Noboa, Florian Lemmerich, Simon Walk +2
This paper introduces HopRank, an algorithm for modeling human navigation on semantic networks. HopRank leverages the assumption that users know or can see the whole structure of t…
How Users Explore Ontologies on the Web: A Study of NCBO's BioPortal Usage Logs
Simon Walk, Lisette Espín-Noboa, Denis Helic +2
Ontologies in the biomedical domain are numerous, highly specialized and very expensive to develop. Thus, a crucial prerequisite for ontology adoption and reuse is effective suppor…
Discovering Beaten Paths in Collaborative Ontology-Engineering Projects using Markov Chains
Simon Walk, Philipp Singer, Markus Strohmaier +3
Biomedical taxonomies, thesauri and ontologies in the form of the International Classification of Diseases (ICD) as a taxonomy or the National Cancer Institute Thesaurus as an OWL-…