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In this paper, we present the design and implementation of\n            <jats:bold>Adore: A<\/jats:bold>\n            set of\n            <jats:bold>D<\/jats:bold>\n            ifferentially\n            <jats:bold>O<\/jats:bold>\n            blivious\n            <jats:bold>RE<\/jats:bold>\n            lational database operators. Adore includes selection with projection, grouping with aggregation, and foreign key join. We prove that they satisfy the notion of differential obliviousness. Our differentially oblivious operators have reduced cache complexity, runtime complexity, and output size compared to their state-of-the-art fully oblivious counterparts. We also demonstrate that our implementation of these differentially oblivious operators can outperform their state-of-the-art fully oblivious counterparts by up to 7.4X.\n          <\/jats:p>","DOI":"10.14778\/3574245.3574267","type":"journal-article","created":{"date-parts":[[2023,2,21]],"date-time":"2023-02-21T23:14:12Z","timestamp":1677021252000},"page":"842-855","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":20,"title":["Adore"],"prefix":"10.14778","volume":"16","author":[{"given":"Lianke","family":"Qin","sequence":"first","affiliation":[{"name":"UC Santa Barbara"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rajesh","family":"Jayaram","sequence":"additional","affiliation":[{"name":"Carnegie Mellon University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elaine","family":"Shi","sequence":"additional","affiliation":[{"name":"Carnegie Mellon University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhao","family":"Song","sequence":"additional","affiliation":[{"name":"Adobe Research"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Danyang","family":"Zhuo","sequence":"additional","affiliation":[{"name":"Duke University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shumo","family":"Chu","sequence":"additional","affiliation":[{"name":"p0x labs"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2023,2,21]]},"reference":[{"key":"e_1_2_1_1_1","unstructured":"[n.d.]. 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