User profiles for Ralf Stephan

Ralf Stephan

Institute for Globally Distributed Open Research and Education (IGDORE)
Verified email at igdore.org
Cited by 1571

The reactome pathway knowledgebase 2022

M Gillespie, B Jassal, R Stephan, M Milacic… - Nucleic acids …, 2022 - academic.oup.com
The Reactome Knowledgebase ( https://reactome.org ), an Elixir core resource, provides
manually curated molecular details across a broad range of physiological and pathological …

An eigen-analysis of compact antenna arrays and its application to port decoupling

C Volmer, J Weber, R Stephan, K Blau… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
Placing the radiators of antenna arrays closer than aggravates the problem of power mismatch.
Based on efficiency considerations, a general analysis of this effect is presented, putting …

Wikidata as a knowledge graph for the life sciences

…, LM Schriml, T Shafee, D Slenter, R Stephan… - Elife, 2020 - elifesciences.org
Wikidata is a community-maintained knowledge base that has been assembled from repositories
in the fields of genomics, proteomics, genetic variants, pathways, chemical compounds…

Miniaturized antenna arrays using decoupling networks with realistic elements

J Weber, C Volmer, K Blau, R Stephan… - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
In ordinary antenna arrays, the spacing between radiators is usually chosen lambda/2. In
order to use antenna arrays in small mobile platforms, the overall dimensions and, hence, the …

The LOTUS initiative for open knowledge management in natural products research

…, E Willighagen, A Gaudry, JG Graham, R Stephan… - Elife, 2022 - elifesciences.org
Contemporary bioinformatic and chemoinformatic capabilities hold promise to reshape
knowledge management, analysis and interpretation of data in natural products research. …

COVID19 Disease Map, a computational knowledge repository of virus–host interaction mechanisms

…, K Rothfels, V Shamovsky, R Stephan… - Molecular systems …, 2021 - embopress.org
We need to effectively combine the knowledge from surging literature with complex datasets
to propose mechanistic models of SARS‐CoV‐2 infection, improving data interpretation and …

The reactome pathway knowledgebase 2024

…, C Sevilla, V Shamovsky, R Stephan… - Nucleic acids …, 2024 - academic.oup.com
The Reactome Knowledgebase ( https://reactome.org ), an Elixir and GCBR core biological
data resource, provides manually curated molecular details of a broad range of normal and …

Mondo: Unifying diseases for the world, by the world

…, D Smedley, R Sparks, R Stefancsik, R Stephan… - medRxiv, 2022 - medrxiv.org
There are thousands of distinct disease entities and concepts, each of which are known by
different and sometimes contradictory names. The Monarch Initiative aims to integrate …

Ka-band user terminal antennas for satellite communications [antenna applications corner]

H Bayer, A Krauss, T Zaiczek, R Stephan… - IEEE Antennas and …, 2016 - ieeexplore.ieee.org
The growing need for bidirectional mobile satellite communications in the Ka-band necessitates
the development of dedicated antenna systems. In this article, we describe two different …

The LOTUS initiative for open natural products research: knowledge management through Wikidata

…, E Willighagen, A Gaudry, JG Graham, R Stephan… - BioRxiv, 2021 - biorxiv.org
As contemporary bioinformatic and chemoinformatic capabilities are reshaping natural
products research, major benefits could result from an open database of referenced structure-…