When Ads Become Profiles: Uncovering the Invisible Risk of Web Advertising at Scale with LLMs.

@inproceedings{chen-2026-ads, author = {Baiyu Chen and Benjamin Tag and Hao Xue and Daniel Angus and Flora Salim}, editor = {Hakim Hacid and Yoelle Maarek and Francesco Bonchi and Ido Guy and Emine Yilmaz}, title = {{When Ads Become Profiles: Uncovering the Invisible Risk of Web Advertising at Scale with LLMs}}, booktitle = {{Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026}}, pages = {9604--9615}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3774904.3793060}, doi = {https://doi.org/10.1145/3774904.3793060} }