@article{USSp23,  
author    = {Leong Hou U and Yasushi Sakurai and Marc Spaniol},
  title     = {Preface to the special issue on the Asia Pacific Web (APWeb) and Web-Age
               Information Management {(WAIM)} Joint International Conference on
               Web and Big Data (APWeb-WAIM) 2021},
  journal   = {World Wide Web {(WWW)}},
  volume    = {26},
  number    = {2},
  pages     = {635--636},
  year      = {2023},
  url       = {https://doi.org/10.1007/s11280-022-01133-z},
  doi       = {10.1007/s11280-022-01133-z}
}