{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,4,23]],"date-time":"2025-04-23T01:38:47Z","timestamp":1745372327876},"reference-count":0,"publisher":"Privacy Enhancing Technologies Symposium Advisory Board","issue":"4","license":[{"start":{"date-parts":[[2022,10,1]],"date-time":"2022-10-01T00:00:00Z","timestamp":1664582400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["PoPETs"],"abstract":"<jats:p>In this paper, we study the task of aggregating user-generated trajectories in a differentially private manner. We present a new algorithm for this problem and demonstrate its effectiveness and practicality through detailed experiments on real-world data. We also show that under simple and natural assumptions, our algorithm has provable utility guarantees.<\/jats:p>","DOI":"10.56553\/popets-2022-0125","type":"journal-article","created":{"date-parts":[[2022,8,31]],"date-time":"2022-08-31T17:28:44Z","timestamp":1661966924000},"page":"626-644","source":"Crossref","is-referenced-by-count":3,"title":["Private Aggregation of Trajectories"],"prefix":"10.56553","volume":"2022","author":[{"given":"Badih","family":"Ghazi","sequence":"first","affiliation":[{"name":"Google Research"}]},{"given":"Neel","family":"Kamal","sequence":"additional","affiliation":[{"name":"Google"}]},{"given":"Ravi","family":"Kumar","sequence":"additional","affiliation":[{"name":"Google Research"}]},{"given":"Pasin","family":"Manurangsi","sequence":"additional","affiliation":[{"name":"Google Research"}]},{"given":"Annika","family":"Zhang","sequence":"additional","affiliation":[{"name":"Google"}]}],"member":"35752","published-online":{"date-parts":[[2022,10]]},"container-title":["Proceedings on Privacy Enhancing Technologies"],"original-title":[],"deposited":{"date-parts":[[2022,8,31]],"date-time":"2022-08-31T17:29:41Z","timestamp":1661966981000},"score":1,"resource":{"primary":{"URL":"https:\/\/petsymposium.org\/popets\/2022\/popets-2022-0125.php"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,10]]},"references-count":0,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2022,10]]}},"alternative-id":["10.56553\/popets-2022-0125"],"URL":"https:\/\/doi.org\/10.56553\/popets-2022-0125","relation":{},"ISSN":["2299-0984"],"issn-type":[{"value":"2299-0984","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,10]]}}}