Kay Liu Jiahao Ding MohamadAli Torkamani Philip S. Yu TGTOD: A Global Temporal Graph Transformer for Outlier Detection at Scale. 251-263 2025 PAKDD (2) https://doi.org/10.1007/978-981-96-8173-0_20 conf/pakdd/2025-2 db/conf/pakdd/pakdd2025-2.html#LiuDTY25 streams/conf/pakdd