Alexander Zien

9.5k total citations · 2 hit papers
64 papers, 6.1k citations indexed

About

Alexander Zien is a scholar working on Molecular Biology, Artificial Intelligence and Computer Vision and Pattern Recognition. According to data from OpenAlex, Alexander Zien has authored 64 papers receiving a total of 6.1k indexed citations (citations by other indexed papers that have themselves been cited), including 28 papers in Molecular Biology, 19 papers in Artificial Intelligence and 11 papers in Computer Vision and Pattern Recognition. Recurrent topics in Alexander Zien's work include Face and Expression Recognition (11 papers), Gene expression and cancer classification (10 papers) and Osteoarthritis Treatment and Mechanisms (10 papers). Alexander Zien is often cited by papers focused on Face and Expression Recognition (11 papers), Gene expression and cancer classification (10 papers) and Osteoarthritis Treatment and Mechanisms (10 papers). Alexander Zien collaborates with scholars based in Germany, United States and Norway. Alexander Zien's co-authors include Olivier Chapelle, Thomas Aigner, Ralf Zimmer, Thomas Lengauer, Pia Margarethe Gebhard, Cheng Soon Ong, Bernhard Schölkopf, Gunnar Rätsch, Sören Sonnenburg and Louise A. McKenna and has published in prestigious journals such as Nucleic Acids Research, Bioinformatics and PLoS ONE.

In The Last Decade

Alexander Zien

62 papers receiving 5.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Semi-Supervised Learning

2006 2.8k citations Olivier Chapelle, Alexander Zien et al. The MIT Press eBooks profile →
Semi-Supervised Classification by Low Density Separation

2005 493 citations Olivier Chapelle, Alexander Zien et al. Max Planck Institute for Plasma Physics profile →

Peers

Alexander Zien

AI

CVPR

MB

RHEUM

SP

Iñaki Inza Spain

Donna K. Slonim United States

Boudewijn P. F. Lelieveldt Netherlands

Yun Lin China

Kyunghyun Cho United States

Kai‐Wei Chang Taiwan

Yongmin Li United Kingdom

Sungroh Yoon South Korea

Marco Loog Netherlands

Chi-Sing Leung Hong Kong

Iñaki Inza Spain

Alexander Zien

2.9k ×1.1

AI

1.1k ×0.6

CVPR

2.8k ×1.9

MB

47 ×0.1

RHEUM

245 ×0.6

SP

Citations per year, relative to Alexander Zien Alexander Zien (= 1×) peers Iñaki Inza

Countries citing papers authored by Alexander Zien

Since Specialization

Citations

This map shows the geographic impact of Alexander Zien's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Alexander Zien with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alexander Zien more than expected).

Fields of papers citing papers by Alexander Zien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alexander Zien. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Alexander Zien. The network helps show where Alexander Zien may publish in the future.

Co-authorship network of co-authors of Alexander Zien

This figure shows the co-authorship network connecting the top 25 collaborators of Alexander Zien. A scholar is included among the top collaborators of Alexander Zien based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Alexander Zien. Alexander Zien is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Adam, Liana, Matthew Wszolek, Chang Gong Liu, et al.. (2012). Plasma microRNA profiles for bladder cancer detection. Urologic Oncology Seminars and Original Investigations. 31(8). 1701–1708. 77 indexed citations

2.

Jenssen, Robert, Marius Kloft, Alexander Zien, Sören Sonnenburg, & Klaus‐Robert Müller. (2012). A Scatter-Based Prototype Framework and Multi-Class Extension of Support Vector Machines. PLoS ONE. 7(10). e42947–e42947. 7 indexed citations

3.

Soldatos, Theodoros, et al.. (2011). Abstract 56: MASE: A system for the molecular analysis of side effect information and its application to marketed cancer therapeutics. Cancer Research. 71(8_Supplement). 56–56. 2 indexed citations

4.

Jenssen, Robert, Marius Kloft, Alexander Zien, Sören Sonnenburg, & Klaus‐Robert Müller. (2009). A Multi-Class Support Vector Machine Based on Scatter Criteria. DepositOnce. 3 indexed citations

5.

Zien, Alexander, et al.. (2007). An Automated Combination of Kernels for Predicting Protein Subcellular Localization. MPG.PuRe (Max Planck Society). 7 indexed citations

6.

Sonnenburg, Soeren, et al.. (2007). Positional Oligomer Importance Matrices. MPG.PuRe (Max Planck Society). 1 indexed citations

7.

Bona, Fabio De, et al.. (2007). RNA secondary structure prediction using large margin methods. MPG.PuRe (Max Planck Society).

8.

Zien, Alexander. (2006). Semi-Supervised Support Vector Machines and Application to Spam Filtering. MPG.PuRe (Max Planck Society). 1 indexed citations

9.

Chapelle, Olivier, Bernhard Schölkopf, & Alexander Zien. (2006). Semi-Supervised Learning (Adaptive Computation and Machine Learning). The MIT Press eBooks. 118 indexed citations

10.

Aigner, Thomas, Katrin Fundel, Joachim Saas, et al.. (2006). Large‐scale gene expression profiling reveals major pathogenetic pathways of cartilage degeneration in osteoarthritis. Arthritis & Rheumatism. 54(11). 3533–3544. 285 indexed citations

11.

Chapelle, Olivier, et al.. (2005). Semi-Supervised Classification by Low Density Separation. Max Planck Institute for Plasma Physics. 57–64. 493 indexed citations breakdown →

12.

Söder, Stephan, et al.. (2004). Phenotypic Characterization of Human Chondrocyte Cell Line C-20/A4: A Comparison between Monolayer and Alginate Suspension Culture. Cells Tissues Organs. 178(2). 65–77. 20 indexed citations

13.

Aigner, Thomas, Joachim Saas, Alexander Zien, et al.. (2004). Analysis of Differential Gene Expression in Healthy and Osteoarthritic Cartilage and Isolated Chondrocytes by Microarray Analysis. Humana Press eBooks. 100. 109–128. 14 indexed citations

14.

Finger, Fabian, et al.. (2004). Phenotypic characterization of chondrosarcoma-derived cell lines. Cancer Letters. 226(2). 143–154. 13 indexed citations

15.

Eichhorn, J, Andreas S. Tolias, Alexander Zien, et al.. (2003). Prediction on Spike Data Using Kernel Algorithms. Cambridge University Engineering Department Publications Database. 16. 1367–1374. 19 indexed citations

16.

Knorr, Thomas, Franz Obermayr, Eckart Bartnik, Alexander Zien, & Thomas Aigner. (2003). YKL-39 (chitinase 3-like protein 2), but not YKL-40 (chitinase 3-like protein 1), is up regulated in osteoarthritic chondrocytes. Annals of the Rheumatic Diseases. 62(10). 995–998. 58 indexed citations

17.

Finger, Fabian, et al.. (2003). Molecular phenotyping of human chondrocyte cell lines T/C‐28a2, T/C‐28a4, and C‐28/I2. Arthritis & Rheumatism. 48(12). 3395–3403. 106 indexed citations

18.

Aigner, Thomas, Alexander Zien, Daniel Hanisch, & Ralf Zimmer. (2003). GENE EXPRESSION IN CHONDROCYTES ASSESSED WITH USE OF MICROARRAYS. Journal of Bone and Joint Surgery. 85. 117–123. 53 indexed citations

19.

Zien, Alexander, Thomas Aigner, Ralf Zimmer, & Thomas Lengauer. (2001). Centralization: a new method for the normalization of gene expression data. Bioinformatics. 17(suppl_1). S323–S331. 89 indexed citations

20.

Zien, Alexander, Gunnar Rätsch, Sebastian Mika, et al.. (1999). Engineering Support Vector Machine Kerneis That Recognize Translation Initialion Sites.. 37–43. 3 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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