WebDS: An End-to-End Benchmark for Web-based Data Science - Hsu, Ethan; Yam, Hong Meng; Bouissou, Ines; John, Aaron; Thota, Raj; Koe, Josh; Putta, Vivek; Dharesan, G; Spangher, Alexander; Murty, Shikhar; Huang, Tenghao; Manning, Christopher (International Conference on Learning Representations, 2026)