@InProceedings{ghazi_et_al:LIPIcs.ITCS.2023.55, author = {Ghazi, Badih and Kumar, Ravi and Nelson, Jelani and Manurangsi, Pasin}, title = {{Private Counting of Distinct and k-Occurring Items in Time Windows}}, booktitle = {14th Innovations in Theoretical Computer Science Conference (ITCS 2023)}, pages = {55:1--55:24}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-263-1}, ISSN = {1868-8969}, year = {2023}, volume = {251}, editor = {Tauman Kalai, Yael}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ITCS.2023.55}, URN = {urn:nbn:de:0030-drops-175580}, doi = {10.4230/LIPIcs.ITCS.2023.55}, annote = {Keywords: Differential Privacy, Algorithms, Distinct Elements, Time Windows} }