default search action
Shanshan Zhang 0001
Person information
- affiliation: Nanjing University of Science and Technology, School of Computer Science and Engineering, China
- affiliation (2015 - 2016): Max Planck Institute for Informatics, Saarbrücken, Germany
- affiliation (PhD 2015): University of Bonn, Germany
Other persons with the same name
- Shanshan Zhang (aka: Shan-Shan Zhang) — disambiguation page
Refine list
refinements active!
zoomed in on ?? of ?? records
view refined list in
export refined list as
2020 – today
- 2024
- [j25]Yang Li, Shanshan Zhang, Yunan Liu, Jian Yang:
Reliable hybrid knowledge distillation for multi-source domain adaptive object detection. Knowl. Based Syst. 297: 111956 (2024) - [j24]Yunan Liu, Chunpeng Wang, Mingyu Lu, Jian Yang, Jie Gui, Shanshan Zhang:
From Simple to Complex Scenes: Learning Robust Feature Representations for Accurate Human Parsing. IEEE Trans. Pattern Anal. Mach. Intell. 46(8): 5449-5462 (2024) - [j23]Yang Li, Shanshan Zhang, Yunan Liu, Jian Yang:
Loose to compact feature alignment for domain adaptive object detection. Pattern Recognit. Lett. 181: 92-98 (2024) - [j22]Shenjian Gong, Jian Yang, Shanshan Zhang:
Adaptive Teaching for Cross-Domain Crowd Counting. IEEE Trans. Multim. 26: 2943-2952 (2024) - [j21]Gang Li, Xiang Li, Shanshan Zhang, Jian Yang:
Towards more reliable evaluation in pedestrian detection by rethinking "ignore regions". Vis. Intell. 2(1) (2024) - [c42]Yanling Tian, Di Chen, Yunan Liu, Jian Yang, Shanshan Zhang:
Divide and Conquer: Hybrid Pre-training for Person Search. AAAI 2024: 5224-5232 - [c41]Gang Li, Wenhai Wang, Xiang Li, Ziheng Li, Jian Yang, Jifeng Dai, Yu Qiao, Shanshan Zhang:
Distilling Knowledge from Large-Scale Image Models for Object Detection. ECCV (84) 2024: 142-160 - [c40]Hao Kong, Jie Xu, Shenjian Gong, Jian Yang, Shanshan Zhang:
Adaptive Pedestrian Trajectory Prediction via Target-Directed Angle Augmentation. ICASSP 2024: 4065-4069 - [c39]Chuyang Wu, Shanshan Zhang, Jussi P. P. Jokinen:
Detecting changes in mental models during interaction. TKTP 2024: 54-60 - [c38]Shanshan Zhang, Chuyang Wu, Jussi P. P. Jokinen:
Quantifying uncertainty in machine theory of mind across time. TKTP 2024: 151-156 - [i17]Shanshan Zhang, Mingqian Ji, Yang Li, Jian Yang:
Imagine the Unseen: Occluded Pedestrian Detection via Adversarial Feature Completion. CoRR abs/2405.01311 (2024) - [i16]Anthony Cioppa, Silvio Giancola, Vladimir Somers, Victor Joos, Floriane Magera, Jan Held, Seyed Abolfazl Ghasemzadeh, Xin Zhou, Karolina Seweryn, Mateusz Kowalczyk, Zuzanna Mróz, Szymon Lukasik, Michal Halon, Hassan Mkhallati, Adrien Deliège, Carlos Hinojosa, Karen Sanchez, Amir M. Mansourian, Pierre Miralles, Olivier Barnich, Christophe De Vleeschouwer, Alexandre Alahi, Bernard Ghanem, Marc Van Droogenbroeck, Adam Gorski, Albert Clapés, Andrei Boiarov, Anton Afanasiev, Artur Xarles, Atom Scott, Byoungkwon Lim, Calvin Yeung, Cristian Gonzalez, Dominic Rüfenacht, Enzo Pacilio, Fabian Deuser, Faisal Sami Altawijri, Francisco Cachón, Hankyul Kim, Haobo Wang, Hyeonmin Choe, Hyunwoo J. Kim, Il-Min Kim, Jae-Mo Kang, Jamshid Tursunboev, Jian Yang, Jihwan Hong, Jimin Lee, Jing Zhang, Junseok Lee, Kexin Zhang, Konrad Habel, Licheng Jiao, Linyi Li, Marc Gutiérrez-Pérez, Marcelo Ortega, Menglong Li, Milosz Lopatto, Nikita Kasatkin, Nikolay Nemtsev, Norbert Oswald, Oleg Udin, Pavel Kononov, Pei Geng, Saad Ghazai Alotaibi, Sehyung Kim, Sergei Ulasen, Sergio Escalera, Shanshan Zhang, Shuyuan Yang, Sunghwan Moon, Thomas B. Moeslund, Vasyl Shandyba, Vladimir Golovkin, Wei Dai, WonTaek Chung, Xinyu Liu, Yongqiang Zhu, Youngseo Kim, Yuan Li, Yuting Yang, Yuxuan Xiao, Zehua Cheng, Zhihao Li:
SoccerNet 2024 Challenges Results. CoRR abs/2409.10587 (2024) - 2023
- [j20]Shuguang Dou, Cairong Zhao, Xinyang Jiang, Shanshan Zhang, Wei-Shi Zheng, Wangmeng Zuo:
Human Co-Parsing Guided Alignment for Occluded Person Re-Identification. IEEE Trans. Image Process. 32: 458-470 (2023) - [c37]Jie Xu, Shanshan Zhang, Jian Yang:
Adaptive Decoupled Pose Knowledge Distillation. ACM Multimedia 2023: 4401-4409 - [c36]Mingqian Ji, Jian Yang, Shanshan Zhang:
OKGR: Occluded Keypoint Generation and Refinement for 3D Object Detection. PRCV (12) 2023: 3-15 - [i15]Yanling Tian, Di Chen, Yunan Liu, Jian Yang, Shanshan Zhang:
Divide and Conquer: Hybrid Pre-training for Person Search. CoRR abs/2312.07970 (2023) - 2022
- [c35]Di Chen, Andreas Doering, Shanshan Zhang, Jian Yang, Juergen Gall, Bernt Schiele:
Keypoint Message Passing for Video-Based Person Re-identification. AAAI 2022: 239-247 - [c34]Gang Li, Xiang Li, Yujie Wang, Shanshan Zhang, Yichao Wu, Ding Liang:
Knowledge Distillation for Object Detection via Rank Mimicking and Prediction-Guided Feature Imitation. AAAI 2022: 1306-1313 - [c33]Shenjian Gong, Shanshan Zhang, Jian Yang, Dengxin Dai, Bernt Schiele:
Bi-level Alignment for Cross-Domain Crowd Counting. CVPR 2022: 7532-7540 - [c32]Andreas Doering, Di Chen, Shanshan Zhang, Bernt Schiele, Juergen Gall:
PoseTrack21: A Dataset for Person Search, Multi-Object Tracking and Multi-Person Pose Tracking. CVPR 2022: 20931-20940 - [c31]Shenjian Gong, Shanshan Zhang, Jian Yang, Dengxin Dai, Bernt Schiele:
Class-Agnostic Object Counting Robust to Intraclass Diversity. ECCV (33) 2022: 388-403 - [c30]Gang Li, Xiang Li, Yujie Wang, Yichao Wu, Ding Liang, Shanshan Zhang:
PseCo: Pseudo Labeling and Consistency Training for Semi-Supervised Object Detection. ECCV (9) 2022: 457-472 - [c29]Yanling Tian, Di Chen, Yunan Liu, Shanshan Zhang, Jian Yang:
Grouped Adaptive Loss Weighting for Person Search. ACM Multimedia 2022: 6774-6782 - [c28]Gang Li, Xiang Li, Yujie Wang, Yichao Wu, Ding Liang, Shanshan Zhang:
DTG-SSOD: Dense Teacher Guidance for Semi-Supervised Object Detection. NeurIPS 2022 - [i14]Gang Li, Xiang Li, Yujie Wang, Shanshan Zhang, Yichao Wu, Ding Liang:
PseCo: Pseudo Labeling and Consistency Training for Semi-Supervised Object Detection. CoRR abs/2203.16317 (2022) - [i13]Shenjian Gong, Shanshan Zhang, Jian Yang, Dengxin Dai, Bernt Schiele:
Bi-level Alignment for Cross-Domain Crowd Counting. CoRR abs/2205.05844 (2022) - [i12]Gang Li, Xiang Li, Yujie Wang, Yichao Wu, Ding Liang, Shanshan Zhang:
DTG-SSOD: Dense Teacher Guidance for Semi-Supervised Object Detection. CoRR abs/2207.05536 (2022) - [i11]Yanling Tian, Di Chen, Yunan Liu, Shanshan Zhang, Jian Yang:
Grouped Adaptive Loss Weighting for Person Search. CoRR abs/2209.11492 (2022) - 2021
- [j19]Yunan Liu, Shanshan Zhang, Chunpeng Wang, Jie Xu:
Single image super-resolution via hybrid resolution NSST prediction. Comput. Vis. Image Underst. 207: 103202 (2021) - [j18]Shanshan Zhang, Di Chen, Jian Yang, Bernt Schiele:
Guided Attention in CNNs for Occluded Pedestrian Detection and Re-identification. Int. J. Comput. Vis. 129(6): 1875-1892 (2021) - [j17]Di Chen, Shanshan Zhang, Jian Yang, Bernt Schiele:
Norm-Aware Embedding for Efficient Person Search and Tracking. Int. J. Comput. Vis. 129(11): 3154-3168 (2021) - [j16]Shenjian Gong, Shanshan Zhang, Jian Yang, Pong Chi Yuen:
Self-Fusion Convolutional Neural Networks. Pattern Recognit. Lett. 152: 50-55 (2021) - [j15]Zhaoliang Yao, Yunan Liu, Shanshan Zhang, Jian Yang:
Effective quaternion radial harmonic Fourier moments for color image representation. Signal Image Video Process. 15(1): 93-101 (2021) - [j14]Yunan Liu, Shanshan Zhang, Jie Xu, Jian Yang, Yu-Wing Tai:
An Accurate and Lightweight Method for Human Body Image Super-Resolution. IEEE Trans. Image Process. 30: 2888-2897 (2021) - [j13]Cairong Zhao, Xinbi Lv, Shuguang Dou, Shanshan Zhang, Jun Wu, Liang Wang:
Incremental Generative Occlusion Adversarial Suppression Network for Person ReID. IEEE Trans. Image Process. 30: 4212-4224 (2021) - [c27]Yunan Liu, Shanshan Zhang, Jian Yang, Pong Chi Yuen:
Hierarchical Information Passing Based Noise-Tolerant Hybrid Learning for Semi-Supervised Human Parsing. AAAI 2021: 2207-2215 - [c26]Zhaoyang Gui, Shanshan Zhang, Kangkan Wang, Jian Yang, Pong Chi Yuen:
Adaptive Multi-Domain Learning for Outdoor 3d Human Pose and Shape Estimation. ICASSP 2021: 2165-2169 - [c25]Farzaneh Rezaeianaran, Rakshith Shetty, Rahaf Aljundi, Daniel Olmeda Reino, Shanshan Zhang, Bernt Schiele:
Seeking Similarities over Differences: Similarity-based Domain Alignment for Adaptive Object Detection. ICCV 2021: 9184-9193 - [c24]Jie Xu, Yunan Liu, Lin Zhao, Shanshan Zhang, Jian Yang:
Tiny Person Pose Estimation via Image and Feature Super Resolution. ICIG (3) 2021: 315-327 - [c23]Mengyuan Ding, Shanshan Zhang, Jian Yang:
Improving Pedestrian Detection from a Long-tailed Domain Perspective. ACM Multimedia 2021: 2918-2926 - [c22]Yunan Liu, Shanshan Zhang, Yang Li, Jian Yang:
Learning to Adapt via Latent Domains for Adaptive Semantic Segmentation. NeurIPS 2021: 1167-1178 - [i10]Farzaneh Rezaeianaran, Rakshith Shetty, Rahaf Aljundi, Daniel Olmeda Reino, Shanshan Zhang, Bernt Schiele:
Seeking Similarities over Differences: Similarity-based Domain Alignment for Adaptive Object Detection. CoRR abs/2110.01428 (2021) - [i9]Di Chen, Andreas Doering, Shanshan Zhang, Jian Yang, Juergen Gall, Bernt Schiele:
Keypoint Message Passing for Video-based Person Re-Identification. CoRR abs/2111.08279 (2021) - [i8]Gang Li, Xiang Li, Yujie Wang, Shanshan Zhang, Yichao Wu, Ding Liang:
Knowledge Distillation for Object Detection via Rank Mimicking and Prediction-guided Feature Imitation. CoRR abs/2112.04840 (2021) - 2020
- [j12]Lin Zhao, Jie Xu, Shanshan Zhang, Chen Gong, Jian Yang, Xinbo Gao:
Perceiving heavily occluded human poses by assigning unbiased score. Inf. Sci. 537: 284-301 (2020) - [j11]Yunan Liu, Shanshan Zhang, Guangyu Li, Houjun Wang, Jian Yang:
Accurate quaternion radial harmonic Fourier moments for color image reconstruction and object recognition. Pattern Anal. Appl. 23(4): 1551-1567 (2020) - [j10]Yao Tang, Lin Zhao, Shanshan Zhang, Chen Gong, Guangyu Li, Jian Yang:
Integrating prediction and reconstruction for anomaly detection. Pattern Recognit. Lett. 129: 123-130 (2020) - [j9]Jie Xu, Lin Zhao, Shanshan Zhang, Chen Gong, Jian Yang:
Multi-task learning for object keypoints detection and classification. Pattern Recognit. Lett. 130: 182-188 (2020) - [j8]Yunan Liu, Shanshan Zhang, Jian Yang:
Color image watermark decoder by modeling quaternion polar harmonic transform with BKF distribution. Signal Process. Image Commun. 88: 115946 (2020) - [j7]Di Chen, Shanshan Zhang, Wanli Ouyang, Jian Yang, Ying Tai:
Person Search by Separated Modeling and A Mask-Guided Two-Stream CNN Model. IEEE Trans. Image Process. 29: 4669-4682 (2020) - [c21]Di Chen, Shanshan Zhang, Wanli Ouyang, Jian Yang, Bernt Schiele:
Hierarchical Online Instance Matching for Person Search. AAAI 2020: 10518-10525 - [c20]Zhengxi Zhang, Liang Zhao, Yunan Liu, Shanshan Zhang, Jian Yang:
Unified Density-Aware Image Dehazing and Object Detection in Real-World Hazy Scenes. ACCV (4) 2020: 119-135 - [c19]Di Chen, Shanshan Zhang, Jian Yang, Bernt Schiele:
Norm-Aware Embedding for Efficient Person Search. CVPR 2020: 12612-12621 - [c18]Mengyuan Ding, Shanshan Zhang, Jian Yang:
Learning a Dynamic High-Resolution Network for Multi-Scale Pedestrian Detection. ICPR 2020: 9076-9082 - [c17]Gang Li, Shanshan Zhang, Jian Yang:
Nighttime Pedestrian Detection Based on Feature Attention and Transformation. ICPR 2020: 9180-9187 - [c16]Gang Li, Jian Li, Shanshan Zhang, Jian Yang:
Learning Hierarchical Graph for Occluded Pedestrian Detection. ACM Multimedia 2020: 1597-1605 - [c15]Yunan Liu, Liang Zhao, Shanshan Zhang, Jian Yang:
Hybrid Resolution Network Using Edge Guided Region Mutual Information Loss for Human Parsing. ACM Multimedia 2020: 1670-1678 - [i7]Andreas Doering, Di Chen, Shanshan Zhang, Bernt Schiele, Juergen Gall:
PoseTrackReID: Dataset Description. CoRR abs/2011.06243 (2020)
2010 – 2019
- 2019
- [j6]Yunan Liu, Shan-Shan Zhang, Yu Sang, Si-Miao Wang:
Improving image retrieval by integrating shape and texture features. Multim. Tools Appl. 78(2): 2525-2550 (2019) - [j5]Guodong Ding, Shanshan Zhang, Salman H. Khan, Zhenmin Tang, Jian Zhang, Fatih Porikli:
Feature Affinity-Based Pseudo Labeling for Semi-Supervised Person Re-Identification. IEEE Trans. Multim. 21(11): 2891-2902 (2019) - [c14]Jiao Zhu, Shanshan Zhang, Jian Yang:
Online Multi-object Tracking Using Single Object Tracker and Markov Clustering. ICIG (3) 2019: 555-567 - [c13]Yu Guo, Lin Zhao, Shanshan Zhang, Jian Yang:
Coarse-to-Fine 3D Human Pose Estimation. ICIG (3) 2019: 579-592 - [c12]Qihua Cheng, Shanshan Zhang:
Efficiently Handling Scale Variation for Pedestrian Detection. IScIDE (1) 2019: 178-190 - [e2]Zhen Cui, Jinshan Pan, Shanshan Zhang, Liang Xiao, Jian Yang:
Intelligence Science and Big Data Engineering. Visual Data Engineering - 9th International Conference, IScIDE 2019, Nanjing, China, October 17-20, 2019, Proceedings, Part I. Lecture Notes in Computer Science 11935, Springer 2019, ISBN 978-3-030-36188-4 [contents] - [e1]Zhen Cui, Jinshan Pan, Shanshan Zhang, Liang Xiao, Jian Yang:
Intelligence Science and Big Data Engineering. Big Data and Machine Learning - 9th International Conference, IScIDE 2019, Nanjing, China, October 17-20, 2019, Proceedings, Part II. Lecture Notes in Computer Science 11936, Springer 2019, ISBN 978-3-030-36203-4 [contents] - 2018
- [j4]Shanshan Zhang, Rodrigo Benenson, Mohamed Omran, Jan Hendrik Hosang, Bernt Schiele:
Towards Reaching Human Performance in Pedestrian Detection. IEEE Trans. Pattern Anal. Mach. Intell. 40(4): 973-986 (2018) - [c11]Lukás Neumann, Michelle Karg, Shanshan Zhang, Christian Scharfenberger, Eric Piegert, Sarah Mistr, Olga Prokofyeva, Robert Thiel, Andrea Vedaldi, Andrew Zisserman, Bernt Schiele:
NightOwls: A Pedestrians at Night Dataset. ACCV (1) 2018: 691-705 - [c10]Shanshan Zhang, Jian Yang, Bernt Schiele:
Occluded Pedestrian Detection Through Guided Attention in CNNs. CVPR 2018: 6995-7003 - [c9]Di Chen, Shanshan Zhang, Wanli Ouyang, Jian Yang, Ying Tai:
Person Search via a Mask-Guided Two-Stream CNN Model. ECCV (7) 2018: 764-781 - [c8]Guodong Ding, Shanshan Zhang, Salman H. Khan, Zhenmin Tang:
Center Based Pseudo-Labeling For Semi-Supervised Person Re-Identification. ICME Workshops 2018: 1-6 - [i6]Guodong Ding, Shanshan Zhang, Salman H. Khan, Zhenmin Tang, Jian Zhang, Fatih Porikli:
Feature Affinity based Pseudo Labeling for Semi-supervised Person Re-identification. CoRR abs/1805.06118 (2018) - [i5]Di Chen, Shanshan Zhang, Wanli Ouyang, Jian Yang, Ying Tai:
Person Search via A Mask-Guided Two-Stream CNN Model. CoRR abs/1807.08107 (2018) - 2017
- [c7]Shanshan Zhang, Rodrigo Benenson, Bernt Schiele:
CityPersons: A Diverse Dataset for Pedestrian Detection. CVPR 2017: 4457-4465 - [i4]Shanshan Zhang, Rodrigo Benenson, Bernt Schiele:
CityPersons: A Diverse Dataset for Pedestrian Detection. CoRR abs/1702.05693 (2017) - 2016
- [j3]Shanshan Zhang, Dominik A. Klein, Christian Bauckhage, Armin B. Cremers:
Fast moving pedestrian detection based on motion segmentation and new motion features. Multim. Tools Appl. 75(11): 6263-6282 (2016) - [c6]Shanshan Zhang, Rodrigo Benenson, Mohamed Omran, Jan Hendrik Hosang, Bernt Schiele:
How Far are We from Solving Pedestrian Detection? CVPR 2016: 1259-1267 - [i3]Shanshan Zhang, Rodrigo Benenson, Mohamed Omran, Jan Hendrik Hosang, Bernt Schiele:
How Far are We from Solving Pedestrian Detection? CoRR abs/1602.01237 (2016) - 2015
- [b1]Shanshan Zhang:
Efficient Pedestrian Detection in Urban Traffic Scenes. University of Bonn, 2015 - [j2]Shanshan Zhang, Christian Bauckhage, Dominik A. Klein, Armin B. Cremers:
Exploring Human Vision Driven Features for Pedestrian Detection. IEEE Trans. Circuits Syst. Video Technol. 25(10): 1709-1720 (2015) - [j1]Shanshan Zhang, Christian Bauckhage, Armin B. Cremers:
Efficient Pedestrian Detection via Rectangular Features Based on a Statistical Shape Model. IEEE Trans. Intell. Transp. Syst. 16(2): 763-775 (2015) - [c5]Shanshan Zhang, Rodrigo Benenson, Bernt Schiele:
Filtered channel features for pedestrian detection. CVPR 2015: 1751-1760 - [p1]Shanshan Zhang:
Effiziente Fußgängererkennung in Städtischen Verkehrsszenen. Ausgezeichnete Informatikdissertationen 2015: 379-388 - [i2]Shanshan Zhang, Rodrigo Benenson, Bernt Schiele:
Filtered Channel Features for Pedestrian Detection. CoRR abs/1501.05759 (2015) - [i1]Shanshan Zhang, Christian Bauckhage, Dominik A. Klein, Armin B. Cremers:
Exploring Human Vision Driven Features for Pedestrian Detection. CoRR abs/1501.06180 (2015) - 2014
- [c4]Shanshan Zhang, Christian Bauckhage, Armin B. Cremers:
Informed Haar-Like Features Improve Pedestrian Detection. CVPR 2014: 947-954 - [c3]Shanshan Zhang, Dominik Alexander Klein, Christian Bauckhage, Armin B. Cremers:
Center-Surround Contrast Features for Pedestrian Detection. ICPR 2014: 2293-2298 - 2010
- [c2]Shanshan Zhang, Fuqiang Liu, Zhipeng Li:
An Effective Driver Fatigue Monitoring System. MVHI 2010: 279-282
2000 – 2009
- 2008
- [c1]Wenhong Zhu, Fuqiang Liu, Zhipeng Li, Xinhong Wang, Shanshan Zhang:
A Vision Based Lane Detection and Tracking Algorithm in Automatic Drive. PACIIA (1) 2008: 799-803
Coauthor Index
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.
Unpaywalled article links
Add open access links from to the list of external document links (if available).
Privacy notice: By enabling the option above, your browser will contact the API of unpaywall.org to load hyperlinks to open access articles. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Unpaywall privacy policy.
Archived links via Wayback Machine
For web page which are no longer available, try to retrieve content from the of the Internet Archive (if available).
Privacy notice: By enabling the option above, your browser will contact the API of archive.org to check for archived content of web pages that are no longer available. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Internet Archive privacy policy.
Reference lists
Add a list of references from , , and to record detail pages.
load references from crossref.org and opencitations.net
Privacy notice: By enabling the option above, your browser will contact the APIs of crossref.org, opencitations.net, and semanticscholar.org to load article reference information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Crossref privacy policy and the OpenCitations privacy policy, as well as the AI2 Privacy Policy covering Semantic Scholar.
Citation data
Add a list of citing articles from and to record detail pages.
load citations from opencitations.net
Privacy notice: By enabling the option above, your browser will contact the API of opencitations.net and semanticscholar.org to load citation information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the OpenCitations privacy policy as well as the AI2 Privacy Policy covering Semantic Scholar.
OpenAlex data
Load additional information about publications from .
Privacy notice: By enabling the option above, your browser will contact the API of openalex.org to load additional information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the information given by OpenAlex.
last updated on 2024-12-26 01:53 CET by the dblp team
all metadata released as open data under CC0 1.0 license
see also: Terms of Use | Privacy Policy | Imprint