23 citations · 65 across the 9 of their papers we have counts for
9 papers
RFID-based Article-to-Fixture Predictions in Real-World Fashion Stores
Matthias Wölbitsch, Thomas Hasler, Patrick Kasper +2
In recent years, Radio Frequency Identification (RFID) technology has been applied to improve numerous processes, such as inventory management in retail stores. However, automatic…
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…
Activity Archetypes in Question-and-Answer (Q&A) Websites - A Study of 50 Stack Exchange Instances
Tiago Santos, Simon Walk, Roman Kern +2
Millions of users on the Internet discuss a variety of topics on Question-and-Answer (Q&A) instances. However, not all instances and topics receive the same amount of attention, as…
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…
Assessing the Navigational Effects of Click Biases and Link Insertion on the Web
Florian Geigl, Kristina Lerman, Simon Walk +2
Websites have an inherent interest in steering user navigation in order to, for example, increase sales of specific products or categories, or to guide users towards specific infor…
Random Surfers on a Web Encyclopedia
Florian Geigl, Daniel Lamprecht, Rainer Hofmann-Wellenhof +3
The random surfer model is a frequently used model for simulating user navigation behavior on the Web. Various algorithms, such as PageRank, are based on the assumption that the mo…
Activity Dynamics in Collaboration Networks
Simon Walk, Denis Helic, Florian Geigl +1
Many online collaboration networks struggle to gain user activity and become self-sustaining due to the ramp-up problem or dwindling activity within the system. Prominent examples…
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-…
How to Apply Markov Chains for Modeling Sequential Edit Patterns in Collaborative Ontology-Engineering Projects
Simon Walk, Philipp Singer, Markus Strohmaier +3
With the growing popularity of large-scale collaborative ontology-engineering projects, such as the creation of the 11th revision of the International Classification of Diseases, w…