Editors

Editor-in-Chief
João Gama // INESC TEC and University of Porto, Portugal

Founding Editor-in-Chief
Longbing Cao // University of Technology, Sydney, Australia

Special Issues Editor
Zhongfei Zhang // Binghamton University, USA

Viewpoint Section Editor
Longbing Cao // University of Technology, Sydney, Australia

Advisory Board
Usama Fayyad // Northeastern University, USA
Masaru Kitsuregawa // University of Tokyo, Japan
Ramamohanarao Kotagiri // University of Melbourne, Australia
Vipin Kumar // University of Minnesota, USA
Bengchin Ooi // National University of Singapore, Singapore
Xin Yao // Southern University of Science and Technology, China
Philip S. Yu // University of Illinois at Chicago, USA

Editors
Pedro Henriques Abreu // University of Coimbra, Portugal
Kapil Ahuja // Indian Institute of Technology Indore, India
José Campo Ávila // University of Malaga, Spain
Gustavo Batista // New South Wales University, Australia
Albert Bifet // University of Waikato, New Zealand
Francesco Bonchi // ISI Foundation, Italy
Paula Branco // University of Ottawa, Canada
Pavel Brazdil // Institute for Systems and Computer Engineering, Technology and Science, Portugal
Ricardo Campos // University of Beira Interior and INESC TEC, Portugal
Andre Carvalho // University of São Paulo, Brazil
Nitesh Chawla // University of Notre Dame, USA
Keith Chun Chung Chan // Hong Kong Polytechnic University, Hong Kong SAR
Enhong Chen // University of Science and Technology of China, China
Paulo Cortez // University of Minho, Portugal
Gillian Dobbie // The University of Auckland, New Zealand
Peter Flach // University of Bristol, UK
Felipe França // Instituto de Telecomunicações, Universidade do Porto, Portugal
Paolo Giudici // University of Pavia, Italy
Cyril Goutte // National Research Council of Canada, Canada
Vladimir Gorodetsky // Russian Academy of Sciences, Russia
Lim Kian Guan // Singapore Management University, Singapore
Joshua Huang // Shenzhen University, China
Mirjana Ivanovic // University of Novi Sad, Serbia
Alipio Jorge // University of Porto, Portugal
Irwin King // The Chinese University of Hong Kong, Hong Kong SAR
Irena Koprinska // University of Sydney, Australia
Priyan Malarvizhi Kumar // University of North Texas, USA
Satoshi Kurihara // Keio University, Japan
James Kwok // Hong Kong University, Hong Kong SAR
Carson K Leung // University of Manitoba, Canada
Jiuyong Li // University of South Australia, Australia
Jerry Chun-Wei Lin // Western Norway University of Applied Sciences, Norway
Penghang Liu // University of Buffalo, USA
Ana Carolina Lorena // ITA, Brazil
Yannis Manolopoulos // Open University of Cyprus, Cyprus
Duoqian Miao // Tongji University, China
João Mendes Moreira // University of Porto
Antonio Silva Neto // Univ. Estadual do Rio de Janeiro, Brazil
Slawomir Nowaczyk // University of Halmstad, Sweden
Gabriella Pasi // Università degli Studi di Milano-Bicocca, Italy
Mykola Pechenizkiy // University Eindhoven, Netherlands
Balaraman Ravindran // Indian Institute of Technology Madras, India
Rita P. Ribiero // University of Porto, Portugal
Paolo Rosso // Universitat Politècnica de València, Spain
Miriam Santos // University of Porto, Portugal
Michael Sheng // Macquarie University, Australia
Marina Sokolova // Dalhousie University and University of Ottawa, Canada
Myra Spiliopoulou // Otto-von-Guericke-University, Germany
Maguelonne Teisseire // National Institute for Environmental and Agricultural Science and Research, France
Bruno Veloso // University of Porto, Portugal
Herna Viktor // University of Ottawa, Canada
Hua Wang // Victoria University, Australia
Ruili Wang // Massey University, New Zealand
Shouyi Wang // University of Texas at Arlington, USA
Xintao Wu // University of Arkansas, USA
Li Xiaoli //  Institute for Infocomm Research
Zhongfei Zhang // Binghamton University, USA
Hong Zhong // Anhui University, China
Qiang Zhu // University of Michigan, USA

Editorial Member
Sonali Agarwal // IIT Allahabad, India
Shafiq Alam // Massey University, New Zealand
Vito Walter Anelli // Politecnico di Bari, Italy
Carlos Arcila Calderon // University of Salamanca, Spain
Wei Cao // Hefei University of Technology, China
Yonghua Cen // Tianjin Normal University, China
Ming-Syan Chen // Academia Sinica, Taiwan
Ling Chen // University of Technology, Sydney, Australia
Xiaochun Cheng // Swansea University, Wales, UK
Xueqi Cheng // Chinese Academy of Science, China
Xuhui Fan // University of New South Wales, Australia
Hongxia Gao // South China University of Technology, China
Anastasia Giachanou // Utrecht University, Netherlands
Rayid Ghani // Carnegie Mellon University, USA
Liang Hu // Tongji University, China
Tu-Bao Ho // Japan Advanced Institute of Science and Technology, Japan
Heyan Huang // Beijing Institute of Technology, China
Zhong Ji // Tianjin University, China
Geun-Sik Jo // Inha University, South Korea
George Karypis // University of Minnesota, USA
Masahiro Kimura // Ryukoku University, Japan
Yun Sing Koh // University of Auckland, New Zealand
Hady Lauw // Singapore Management University, Singapore
Defu Lian // University of Science and Technology of China, China
Chuanren Liu // The University of Tennessee Knoxville, USA
Lin Liu // Univeristy of South Australia, Australia
Wenpeng Lu // Qilu University of Technology, China
Xiangfu Meng // Liaoning Technical University, China
Hiroshi Motoda // Osaka University, Japan
Ngoc-Thanh Nguyen // Wroclaw University of Science and Technology, Poland
Alexandros Ntoulas // National and Kapodistrian University of Athens, Greece
Guansong Pang // Singapore Management University, Singapore
Krishna Reddy Polepalli // Indian Institute of Technology Hyderabad, India
Guoqi Qian // The University of Melbourne, Australia
Rita P. Ribeiro // University of Porto, Portugal
Mathieu Roche // CIRAD and TETIS, France
Manik Sharma // DAV University Jalandhar, India
Yinghuan Shi // Nanjing University, China
Alina Sirbu // University of Pisa, Italy
Vincent S. Tseng // National Chiao Tung University, Taiwan
Iraklis Varlamis // Harokopio University of Athens, Greece
Can Wang // Griffith University, Australia
Li Wang // Taiyuan University of Technology
Lizhen Wang // Yunnan University, China
Wei Wang // University of California, Los Angeles, USA
Xin Wang // University of Calgary
Peter A. Whigham // University of Otago, New Zealand
Ka-Chun Wong // City University of Hong Kong, China
Xiaodong Yue // Shanghai University, China
Ruofei Zhang // Microsoft, USA
Wei Zhang // University of Adelaide, Australia
Feida Zhu // Singapore Management University, Singapore
Jun Zhu // Tsinghua University, China

Social Media Editor
Shoujin Wang // RMIT University, Australia 
João Vinagre // University of Porto, Portugal

Thank you to our 2021 International Journal of Data Science and Analytics Reviewers!
Longbing Cao, Shaina Raza, Jiuyong Li, Qing Liu, Riccardo Ortale, Tissaoui Anis, Shahzad Ashraf, Prathamesh Churi, Qi Zhang, Siyuan Ren, Salma Sassi, Isambo Karali, Guoqi Qian, Usman Naseem, Shuang Wang, Imene Dlala, Mustafa A. AL-ASADI, Hacene Belhadef,Daryna Dementieva, Fredrik Johansson, Sarika Jain, Sebastião Pais, Nishan A H , Weipeng CAO, Riccardo Cervero, Richard Chbeir, Taotao Cai, Olawande Daramola, Wei Du, Souad Ghazouani, Zhimin Gao, Jialin Song, Michele Starnini, Christoph Weisser, Qinfen Wang, Warwick Graco, Marouene Kachroudi, Maram Hasanain, Ahmad Hashemi, Dengzhao Hong, Panagiotis Karampelas, Kaicheng Yang, Jie Zhou, Mucahid Kutlu, Yanchi Liu, Elio Mansour, Patrick Cheong-Iao Pang, Cheng Peng, Brian Schwartz, Sana Sellami, Gautam Kishore Shahi, Mattia Samory, Zeinab Noorian, Kevin Labille, Sabri Allani, Lucile Sautot, Guansong Pang, Francesca Pratesi, Sai Kumar Popuri, Shengsheng Qian, Paula Raissa, Enayat Rajabi, Aghiles Salah, Shamima Mithun, Sha Lu, Zhigang Lu, Golshan Madraki, Queen Nguyen, Mihir Narayan, Chuanren Liu, Dominique Laurent, Ki Yong Lee, Rina Kumari, Yawen Zheng, Shengming Zhang, Ping Zhang, Zhilin Zhao, Taoufik Yeferni, Ming Yin, Sihong Xie, Hua Yuan, Wenhui Zeng, Atikur Khan, Marwa Herzi, Azza Harbaoui, Abderrazek Jemai, Siyu Huang, Xiaodi Huang, Fujiao Ju, Songlei Jian, Mingzhe Wang, Pengyang Wang, Venu Madhav Tammali, Yorgos Tsitsikas, Damiano Spina, Chang Su, Masood Ghayoomi, Amir Mohammad Fathollahi-Fard, Antonio Ferrara, Ahmed Dridi, Alessandra Teresa Cignarella, Oliver Chi, Yuyue Chen, Veronika Batzdorfer, Michael Bewong, Riadh Bouslimi, Shun Cao, Mete Celik, Mohammad Alian Nejadi, Salim Amri, Jeff Ansah, Liesbeth Allein, Ahmed Hamed, Samira Zad, Alireza Rezvanian, Ali Ayadi, Wojtek Buczynski, Murat Alper Basaran, Hu Cao, Ronald Denaux, Pierpaolo D'Urso, Faezeh Ensan, Hamidreza Esmalifalak, Kirill Fedyanin, Mohamed Ferah, Nadia Soudani, Ruofei Shen, Iraklis Varlamis, Lennart van de Guchte, Chenxu WANG, Jianwu Wang, Levin Wiebelt, Valerio Grossi, Mayank Jobanputra, Adel Jebali, Xiuyi Jia, Mourad Khayati, Ashraf Kamal, Li Yang, Snezana Lawrence, Alina Lazar, Majd Latah, Hao Liu, Mahmood Neshati, Md Sarowar Morshed, Athanasios Salamanis, Pablo Sánchez Pérez, Frederic Andres, Jose María Alvarez Rodríguez, Bernd Amann, Manoj Apte, Sabeur Aridhi, Dennis Assenmacher, Gamal Attiya, Ayoub Bagheri, Ritwik Banerjee, Sattam Al-Matarneh, Özgür Akgün, Belhassen Akrout, Malak Abdullah, Svetlana Abramova, Raksha Agarwal, Mahima Agumbe Suresh, Mohammad Akbari, Yonghua Cen, Vitor Cerqueira, Ricardo Cerri, Wei Cao, Sahil Chelaramani, Alycia Carey, Maaz Amjad, Ruichu Cai, David Camacho, Paula Branco, Mongi Boulehmi, David Biesner, Alejandro Bellogín Kouki, Lamjed Ben Said, Manel Ben Sassi, Nadav Beno, Arup Baruah, Cesare Bernardis, Paidamoyo Chapfuwa, Dimitris Chatzopoulos, Oliver Chi, Davide Ciucci, Etienne Côme, Giuliano Cornacchia, Luciano Costa, Dipankar Das, Ravi Doddavaram, Sana Fakhfakh, Ahmed Eassa, Baris Erman, Jacques Fize, Francky Fouedjio, Fabíola Fernandes, Fethi Ghazouani, Georgios Siolas, Yu Song, Yu Song, Mikolaj Stanek, Julia Maria Struß, Stan Szpakowicz, Jaya Sreevalsan-Nair, Mohamed Amine Ferrag, Francesca Spezzano, Yanjie Fu, Kenichi Fukui, Guojun Gan, Lilia Georgieva, Dilip Kumar Sharma, Manik Sharma, Pavel Shcherbakov, Lifeng Shen, Tsugawa Sho, Anu Shrestha, Eduarda Silva, Nicolas Turenne, Ayad Turky, Antonela Tommasel, Panagiotis Traganitis, Ha Xuan Tran, Damian Trilling, ANUSUA TRIVEDI, Qiang Tang, Dan Taninecz Miller, Mingfei Teng, Souza Tharsis, Friedhelm Victor, Priyesh Vijayan, Marco Viviani, Nguyen Vo, Guifeng Wang, Yue Wang, Yifang Wei, Ziqi Wei, Edgar Weippl, Jinjin Guo, Bin Wu, Gramoz Goranci, Cyril Goutte, Navneet Goyal, Junbeom Hur, Dongmin Hyun, Gary Holness, Wissem Inoubli, HARIPRIYA HARIKUMAR, Loni Hagen, Marwan Hassani, Harry Halpin, Shuchu Han, Teruaki Hayashi, Shoujin Wang, Delia Irazu Hernandez Farias, Chaker Katar, Ravindra Khattree, Krishna Kant, Chandrika Kamath, Armin Kirchknopf, Valery Kirzner, Gerhard Klassen, Benjamin Kille, Samaneh Khoshrou, Xintao Wu, ZHANGKAI WU, Jing Yuan, Dazheng Zhang, Haijun Zhang, Huaiwen Zhang, Mouna Jouini, Chao Yan, Depeng Xu, Fengli Xu, Hongzuo Xu, Jianfei Yu, Xiangyu Zhao, Yu-Dong Zhang, Kaiwen Zhang, Weijia Zhang, Hao Zhong, Arkaitz Zubiaga, Chaoyuan Zuo, Supriya Kumar De, Nayeon Lee, Mark Last, Carson Leung, dichao Li, Zhizhong Liu, Hao Liao, K.V.L.V. Narayanachari, Anh Nguyen, Nuno Moniz, TAHIR MUNIR, Hannah Nithya, Tomonobu Ozaki, Reynier Ortega, Felipe Ortega Soto, Son Mai, Malamati Louta, Vinay Madanbhavi Shashidhar, Xufang Luo, Kumara Swamy M., Massimiliano Luca, Qingxin Meng, Mazin Abed Mohammed, Dana Mckay, David McMeekin, Alejandro Martin, Inês Martins, Albert Ali Salah, Carlos Rojas, Arnaud Sallaberry, Zghal Sami, Esteban Rissola, Neila Rjaibi, Elkosantini Sabeur, Diego Saez-Trumper, Morteza Poyan Rad, D M MOTIUR Rahaman, Joao Resende, Nikos Pelekis, Subba Reddy Oota, Jose E. Ramirez-Marquez, Diana Portela, Isabel Praça, Daniela Perrotta, Vu Viet Hoang Pham, Danae Pla Karidi, Marco Polignano, Claudio Pomo, Guanqiu Qi, Ana Nogueira, Xiao Pan, Siti Aisyah Panatik, Dimitra Pappa, Pedro Pereira Rodrigues, Maria Pedroto, Paritosh Parmar, Lucia C. Passaro, Arindam Paul, Javier Sánchez Junquera, Mouna Selmi, Kalyani Selvarajah, Apurbalal Senapati, Raquel Sebastiao, Akrem Sellami, Mokhtar Sellami, Shaden Shaar