| Vol-2881 urn:nbn:de:0074-2881-0 Copyright © 2020 for the individual papers by the papers' authors. Copyright © 2020 for the volume as a collection by its editors. This volume and its papers are published under the Creative Commons License Attribution 4.0 International (CC BY 4.0).

# CIKM AnalytiCup 2020
Information and Knowledge Management - AnalytiCup 2020

### Proceedings of the CIKM AnalytiCup 2020 co-located with 29th ACM International Conference on Information and Knowledge Management (CIKM 2020)

### Gawlay (Virtual Event), Ireland, October, 2020.

Edited by

### Dimitar Dimitrov *
Xiaofei Zhu **

* GESIS - Leibniz Institute for the Social Sciences, Cologne, Germany
** Chongqing University of Technology, Chongqing, China

## Table of Contents

- Preface to the proceedings of the CIKM AnalytiCup 2020
  Summary: There were 19 papers submitted for peer-review to the CIKM AnalytiCup 2020. Out of these, 9 papers were accepted for this volume.

### Challenge 1: COVID-19 Retweet Prediction Challenge

- CIKM AnalytiCup 2020: COVID-19 Retweet Prediction with Personalized Attention 1-4
  T Vinayaka Raj
- Word and Graph Embeddings for COVID-19 Retweet Prediction 5-8
  Tam T. Nguyen, Karamjit Singh, Sangam Verma, Hardik Wadhwa, Siddharth Vimal, Lalasa Dheekollu, Sheng Jie Lui, Divyansh Gupta, Dong Yang Yin, Zha Wei
- Feature Extraction for Deep Neural Networks: A Case Study on the COVID-19 Retweet Prediction Challenge 9-12
  Daichi Takehara
- Regression-enhanced Random Forests with Personalized Patching for COVID-19 Retweet Prediction 13-16
  Guangyuan Piao, Weipeng Huang

### Challenge 2: Alibaba-Tsinghua Adversarial Challenge on Object Detection

- Fool Object Detectors with L0-Norm Patch Attack 17-20
  Honglin Li, Yunqing Zhao
- Efficient Warm Restart Adversarial Attack for Object Detection 21-23
  Ye Liu, Xiaofei Zhu, Xianying Huang
- Object Hider: Adversarial Patch Attack Against Object Detectors 24-27
  Yusheng Zhao, Huanqian Yan, Xingxing Wei
- Sparse Adversarial Attack to Object Detection 28-31
  Jiayu Bao
- Fooling Object Detectors:Adversarial Attacks by Half-Neighbor Masks 32-35
  Yanghao Zhang, Fu Wang, Wenjie Ruan

2021-05-20: submitted by Dimitar Dimitrov, metadata incl. bibliographic data published under Creative Commons CC0
2021-06-11: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|