activity
20132026
most citedClustering articles based on semantic similarity

74 citations · 145 across the 8 of their papers we have counts for

collaborators

8 papers

cs.IR2026

Separating Semantic Expansion from Linear Geometry for PubMed-Scale Vector Search

Rob Koopman

We describe a PubMed scale retrieval framework that separates semantic interpretation from metric geometry. A large language model expands a natural language query into concise bio…

cs.DL2017★ 22 cited

Contextualization of topics: Browsing through the universe of bibliographic information

Rob Koopman, Shenghui Wang, Andrea Scharnhorst

This paper describes how semantic indexing can help to generate a contextual overview of topics and visually compare clusters of articles. The method was originally developed for a…

cs.IR2017★ 24 cited

Mutual Information based labelling and comparing clusters

Rob Koopman, Shenghui Wang

After a clustering solution is generated automatically, labelling these clusters becomes important to help understanding the results. In this paper, we propose to use a Mutual Info…

cs.DL2017★ 74 cited

Clustering articles based on semantic similarity

Shenghui Wang, Rob Koopman

Document clustering is generally the first step for topic identification. Since many clustering methods operate on the similarities between documents, it is important to build repr…

cs.IR2016★ 1 cited

Bibliometrics and Information Retrieval: Creating Knowledge through Research Synergies

Judit Bar-Ilan, Rob Koopman, Shenghui Wang +4

This panel brings together experts in bibliometrics and information retrieval to discuss how each of these two important areas of information science can help to inform the researc…

cs.DL2015★ 5 cited

Contextualization of topics - browsing through terms, authors, journals and cluster allocations

Rob Koopman, Shenghui Wang, Andrea Scharnhorst

This paper builds on an innovative Information Retrieval tool, Ariadne. The tool has been developed as an interactive network visualization and browsing tool for large-scale biblio…