{"id":"https://openalex.org/W7167903588","doi":"https://doi.org/10.1145/3805712.3808405","title":"Semantic IDs for Recommender Systems at Snapchat: Use Cases, Technical Challenges, and Design Choices","display_name":"Semantic IDs for Recommender Systems at Snapchat: Use Cases, Technical Challenges, and Design Choices","publication_year":2026,"publication_date":"2026-07-10","ids":{"openalex":"https://openalex.org/W7167903588","doi":"https://doi.org/10.1145/3805712.3808405"},"language":null,"primary_location":{"id":"doi:10.1145/3805712.3808405","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3805712.3808405","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3805712.3808405","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5118969340","display_name":"Clark Mingxuan Ju","orcid":"https://orcid.org/0009-0008-9054-3856"},"institutions":[{"id":"https://openalex.org/I174135032","display_name":"Bellevue College","ror":"https://ror.org/05gr4yv49","country_code":"US","type":"education","lineage":["https://openalex.org/I174135032"]},{"id":"https://openalex.org/I58064216","display_name":"Bellevue University","ror":"https://ror.org/00b7ckn36","country_code":"US","type":"education","lineage":["https://openalex.org/I58064216"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Clark Mingxuan Ju","raw_affiliation_strings":["Snap. Inc, Bellevue, USA"],"raw_orcid":"https://orcid.org/0009-0008-9054-3856","affiliations":[{"raw_affiliation_string":"Snap. Inc, Bellevue, USA","institution_ids":["https://openalex.org/I174135032","https://openalex.org/I58064216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035766567","display_name":"Tong Zhao","orcid":"https://orcid.org/0000-0001-7660-1732"},"institutions":[{"id":"https://openalex.org/I4210108985","display_name":"Bellevue Hospital Center","ror":"https://ror.org/01ky34z31","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1283621791","https://openalex.org/I4210086933","https://openalex.org/I4210108985"]},{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tong Zhao","raw_affiliation_strings":["Snap Inc., Bellevue, USA"],"raw_orcid":"https://orcid.org/0000-0001-7660-1732","affiliations":[{"raw_affiliation_string":"Snap Inc., Bellevue, USA","institution_ids":["https://openalex.org/I4210142583","https://openalex.org/I4210108985"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103323921","display_name":"Leonardo Neves","orcid":"https://orcid.org/0009-0008-9539-5100"},"institutions":[{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Leonardo Neves","raw_affiliation_strings":["Snap Inc., Santa Monica, USA"],"raw_orcid":"https://orcid.org/0009-0008-9539-5100","affiliations":[{"raw_affiliation_string":"Snap Inc., Santa Monica, USA","institution_ids":["https://openalex.org/I4210142583"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111408224","display_name":"L. Collins","orcid":"https://orcid.org/0009-0006-3139-3339"},"institutions":[{"id":"https://openalex.org/I4210108985","display_name":"Bellevue Hospital Center","ror":"https://ror.org/01ky34z31","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1283621791","https://openalex.org/I4210086933","https://openalex.org/I4210108985"]},{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Liam Collins","raw_affiliation_strings":["Snap Inc., Bellevue, USA"],"raw_orcid":"https://orcid.org/0009-0006-3139-3339","affiliations":[{"raw_affiliation_string":"Snap Inc., Bellevue, USA","institution_ids":["https://openalex.org/I4210142583","https://openalex.org/I4210108985"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121099393","display_name":"Bhuvesh Kumar","orcid":null},"institutions":[{"id":"https://openalex.org/I4210108985","display_name":"Bellevue Hospital Center","ror":"https://ror.org/01ky34z31","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1283621791","https://openalex.org/I4210086933","https://openalex.org/I4210108985"]},{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bhuvesh Kumar","raw_affiliation_strings":["Snap Inc., Bellevue, USA"],"raw_orcid":"https://orcid.org/0009-0004-0849-8648","affiliations":[{"raw_affiliation_string":"Snap Inc., Bellevue, USA","institution_ids":["https://openalex.org/I4210142583","https://openalex.org/I4210108985"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140403558","display_name":"Jiwen Ren","orcid":"https://orcid.org/0009-0000-1158-9680"},"institutions":[{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jiwen Ren","raw_affiliation_strings":["Snap Inc., New York, USA"],"raw_orcid":"https://orcid.org/0009-0000-1158-9680","affiliations":[{"raw_affiliation_string":"Snap Inc., New York, USA","institution_ids":["https://openalex.org/I4210142583"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140395740","display_name":"Lili Zhang","orcid":"https://orcid.org/0009-0008-4602-9518"},"institutions":[{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lili Zhang","raw_affiliation_strings":["Snap Inc., Palo Alto, USA"],"raw_orcid":"https://orcid.org/0009-0008-4602-9518","affiliations":[{"raw_affiliation_string":"Snap Inc., Palo Alto, USA","institution_ids":["https://openalex.org/I4210142583"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028811847","display_name":"Wenfeng Zhuo","orcid":null},"institutions":[{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wenfeng Zhuo","raw_affiliation_strings":["Snap Inc., Palo Alto, USA"],"raw_orcid":"https://orcid.org/0000-0002-9014-4117","affiliations":[{"raw_affiliation_string":"Snap Inc., Palo Alto, USA","institution_ids":["https://openalex.org/I4210142583"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140414131","display_name":"Wen Zhang","orcid":"https://orcid.org/0009-0003-3922-401X"},"institutions":[{"id":"https://openalex.org/I4210108985","display_name":"Bellevue Hospital Center","ror":"https://ror.org/01ky34z31","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1283621791","https://openalex.org/I4210086933","https://openalex.org/I4210108985"]},{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wen Zhang","raw_affiliation_strings":["Snap Inc., Bellevue, USA"],"raw_orcid":"https://orcid.org/0009-0003-3922-401X","affiliations":[{"raw_affiliation_string":"Snap Inc., Bellevue, USA","institution_ids":["https://openalex.org/I4210142583","https://openalex.org/I4210108985"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140451317","display_name":"Xiao Bai","orcid":"https://orcid.org/0009-0005-2217-8381"},"institutions":[{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xiao Bai","raw_affiliation_strings":["Snap Inc., Palo Alto, USA"],"raw_orcid":"https://orcid.org/0009-0005-2217-8381","affiliations":[{"raw_affiliation_string":"Snap Inc., Palo Alto, USA","institution_ids":["https://openalex.org/I4210142583"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101494431","display_name":"Jinchao Li","orcid":"https://orcid.org/0000-0003-1378-2788"},"institutions":[{"id":"https://openalex.org/I4210108985","display_name":"Bellevue Hospital Center","ror":"https://ror.org/01ky34z31","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1283621791","https://openalex.org/I4210086933","https://openalex.org/I4210108985"]},{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jinchao Li","raw_affiliation_strings":["Snap Inc., Bellevue, USA"],"raw_orcid":"https://orcid.org/0009-0000-6909-9326","affiliations":[{"raw_affiliation_string":"Snap Inc., Bellevue, USA","institution_ids":["https://openalex.org/I4210142583","https://openalex.org/I4210108985"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071400294","display_name":"Kartik K. Iyer","orcid":"https://orcid.org/0009-0008-9165-6780"},"institutions":[{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Karthik Iyer","raw_affiliation_strings":["Snap Inc., Palo Alto, USA"],"raw_orcid":"https://orcid.org/0009-0008-9165-6780","affiliations":[{"raw_affiliation_string":"Snap Inc., Palo Alto, USA","institution_ids":["https://openalex.org/I4210142583"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101338073","display_name":"Zihao Fan","orcid":"https://orcid.org/0009-0004-1467-5073"},"institutions":[{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zihao Fan","raw_affiliation_strings":["Snap Inc., Palo Alto, USA"],"raw_orcid":"https://orcid.org/0009-0004-1467-5073","affiliations":[{"raw_affiliation_string":"Snap Inc., Palo Alto, USA","institution_ids":["https://openalex.org/I4210142583"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102802142","display_name":"Yilun Xu","orcid":"https://orcid.org/0000-0003-1791-4637"},"institutions":[{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yilun Xu","raw_affiliation_strings":["Snap Inc., Palo Alto, USA"],"raw_orcid":"https://orcid.org/0000-0003-1791-4637","affiliations":[{"raw_affiliation_string":"Snap Inc., Palo Alto, USA","institution_ids":["https://openalex.org/I4210142583"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100439331","display_name":"Yiwen Chen","orcid":"https://orcid.org/0000-0002-7706-7540"},"institutions":[{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yiwen Chen","raw_affiliation_strings":["Snap Inc., Palo Alto, USA"],"raw_orcid":"https://orcid.org/0000-0002-7706-7540","affiliations":[{"raw_affiliation_string":"Snap Inc., Palo Alto, USA","institution_ids":["https://openalex.org/I4210142583"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047287257","display_name":"P. H. Yu","orcid":"https://orcid.org/0000-0002-2286-3152"},"institutions":[{"id":"https://openalex.org/I4210108985","display_name":"Bellevue Hospital Center","ror":"https://ror.org/01ky34z31","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1283621791","https://openalex.org/I4210086933","https://openalex.org/I4210108985"]},{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Peicheng Yu","raw_affiliation_strings":["Snap Inc., Bellevue, USA"],"raw_orcid":"https://orcid.org/0000-0002-2286-3152","affiliations":[{"raw_affiliation_string":"Snap Inc., Bellevue, USA","institution_ids":["https://openalex.org/I4210142583","https://openalex.org/I4210108985"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140445291","display_name":"Manish Malik","orcid":"https://orcid.org/0009-0006-5736-013X"},"institutions":[{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Manish Malik","raw_affiliation_strings":["Snap Inc., Palo Alto, USA"],"raw_orcid":"https://orcid.org/0009-0006-5736-013X","affiliations":[{"raw_affiliation_string":"Snap Inc., Palo Alto, USA","institution_ids":["https://openalex.org/I4210142583"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101799872","display_name":"Neil Shah","orcid":"https://orcid.org/0000-0003-3261-8430"},"institutions":[{"id":"https://openalex.org/I4210108985","display_name":"Bellevue Hospital Center","ror":"https://ror.org/01ky34z31","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1283621791","https://openalex.org/I4210086933","https://openalex.org/I4210108985"]},{"id":"https://openalex.org/I4210142583","display_name":"Snap (United States)","ror":"https://ror.org/04dgkhg68","country_code":"US","type":"company","lineage":["https://openalex.org/I4210142583"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Neil Shah","raw_affiliation_strings":["Snap Inc., Bellevue, USA"],"raw_orcid":"https://orcid.org/0000-0003-3261-8430","affiliations":[{"raw_affiliation_string":"Snap Inc., Bellevue, USA","institution_ids":["https://openalex.org/I4210142583","https://openalex.org/I4210108985"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.96602458,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"4694","last_page":"4699"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9332000017166138,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9332000017166138,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13274","display_name":"Expert finding and Q&A systems","score":0.014999999664723873,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11273","display_name":"Advanced Graph Neural Networks","score":0.004699999932199717,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.669700026512146},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.5741000175476074},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.5059999823570251},{"id":"https://openalex.org/keywords/ranking","display_name":"Ranking (information retrieval)","score":0.5056999921798706},{"id":"https://openalex.org/keywords/identifier","display_name":"Identifier","score":0.42320001125335693},{"id":"https://openalex.org/keywords/encode","display_name":"ENCODE","score":0.4180000126361847},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.41429999470710754},{"id":"https://openalex.org/keywords/component","display_name":"Component (thermodynamics)","score":0.38089999556541443}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7792999744415283},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.669700026512146},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.6172000169754028},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.5741000175476074},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.5059999823570251},{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.5056999921798706},{"id":"https://openalex.org/C154504017","wikidata":"https://www.wikidata.org/wiki/Q853614","display_name":"Identifier","level":2,"score":0.42320001125335693},{"id":"https://openalex.org/C66746571","wikidata":"https://www.wikidata.org/wiki/Q1134833","display_name":"ENCODE","level":3,"score":0.4180000126361847},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.41429999470710754},{"id":"https://openalex.org/C168167062","wikidata":"https://www.wikidata.org/wiki/Q1117970","display_name":"Component (thermodynamics)","level":2,"score":0.38089999556541443},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3691999912261963},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.36039999127388},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.35589998960494995},{"id":"https://openalex.org/C86037889","wikidata":"https://www.wikidata.org/wiki/Q4330127","display_name":"Learning to rank","level":3,"score":0.35580000281333923},{"id":"https://openalex.org/C90312973","wikidata":"https://www.wikidata.org/wiki/Q7449052","display_name":"Semantic data model","level":2,"score":0.33500000834465027},{"id":"https://openalex.org/C20136886","wikidata":"https://www.wikidata.org/wiki/Q749647","display_name":"Interoperability","level":2,"score":0.3292999863624573},{"id":"https://openalex.org/C2779172887","wikidata":"https://www.wikidata.org/wiki/Q184316","display_name":"PageRank","level":2,"score":0.3122999966144562},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.3041999936103821},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.298799991607666},{"id":"https://openalex.org/C44083865","wikidata":"https://www.wikidata.org/wiki/Q3853443","display_name":"Mean reciprocal rank","level":2,"score":0.2833999991416931},{"id":"https://openalex.org/C87117476","wikidata":"https://www.wikidata.org/wiki/Q362383","display_name":"Cardinality (data modeling)","level":2,"score":0.2639999985694885},{"id":"https://openalex.org/C130318100","wikidata":"https://www.wikidata.org/wiki/Q2268914","display_name":"Semantic similarity","level":2,"score":0.2624000012874603},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.2624000012874603},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.2565000057220459}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3805712.3808405","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3805712.3808405","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3805712.3808405","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3805712.3808405","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1997136459","https://openalex.org/W2475334473","https://openalex.org/W2963367478","https://openalex.org/W3040478789","https://openalex.org/W3088463703","https://openalex.org/W3180355996","https://openalex.org/W4213361064","https://openalex.org/W4296591867","https://openalex.org/W4312974539","https://openalex.org/W4384648324","https://openalex.org/W4384648826","https://openalex.org/W4403221552","https://openalex.org/W4410089586","https://openalex.org/W4412377826","https://openalex.org/W4415798712","https://openalex.org/W4416017185","https://openalex.org/W4416018061","https://openalex.org/W7129046771","https://openalex.org/W7133239020"],"related_works":[],"abstract_inverted_index":{"Effective":[0],"item":[1],"identifiers":[2],"(IDs)":[3],"are":[4,15],"an":[5,72,75],"important":[6],"component":[7],"for":[8,63,124],"recommender":[9],"systems":[10],"(RecSys)":[11],"in":[12,18,112,135,189],"practice,":[13],"and":[14,25,45,108,127,156,175],"commonly":[16,91],"adopted":[17],"many":[19],"use":[20],"cases":[21],"such":[22,36,83],"as":[23,84,121,131,178,180],"retrieval":[24,133],"ranking.":[26],"IDs":[27,56],"can":[28,40],"encode":[29],"collaborative":[30,97],"filtering":[31],"signals":[32],"within":[33],"training":[34],"data,":[35],"that":[37],"RecSys":[38],"models":[39,95,192],"extrapolate":[41],"during":[42],"the":[43,47,68,105,113],"inference":[44],"personalize":[46],"prediction":[48],"based":[49],"on":[50,171],"users'":[51],"behavioral":[52],"histories.":[53],"Recently,":[54],"Semantic":[55],"(SIDs)":[57],"have":[58,100,154,160,186],"become":[59],"a":[60],"trending":[61],"paradigm":[62],"RecSys.":[64],"In":[65,139],"comparison":[66],"to":[67,88,162],"conventional":[69],"atomic":[70,106],"ID,":[71],"SID":[73,184],"is":[74],"ordered":[76],"list":[77],"of":[78],"codes,":[79],"derived":[80],"from":[81,93],"tokenizers":[82],"residual":[85],"quantization,":[86],"applied":[87],"semantic":[89,110],"representations":[90],"extracted":[92],"foundation":[94],"or":[96],"signals.":[98],"SIDs":[99,120,130],"drastically":[101],"smaller":[102],"cardinality":[103],"than":[104],"counterpart,":[107],"induce":[109],"clustering":[111],"ID":[114],"space.":[115],"At":[116],"Snapchat,":[117],"we":[118,142,147,153,159],"apply":[119],"auxiliary":[122],"features":[123],"ranking":[125],"models,":[126],"also":[128],"explore":[129],"additional":[132],"sources":[134],"different":[136],"ML":[137],"applications.":[138],"this":[140],"paper,":[141],"discuss":[143],"practical":[144],"technical":[145],"challenges":[146],"encountered":[148],"while":[149],"applying":[150],"SIDs,":[151],"experiments":[152],"conducted,":[155],"design":[157],"choices":[158],"iterated":[161],"mitigate":[163],"these":[164],"challenges.":[165],"Backed":[166],"by":[167],"promising":[168],"offline":[169],"results":[170],"both":[172],"internal":[173],"data":[174],"academic":[176],"benchmarks":[177],"well":[179],"online":[181],"A/B":[182],"studies,":[183],"variants":[185],"been":[187],"launched":[188],"multiple":[190],"production":[191],"with":[193],"positive":[194],"metrics":[195],"impact.":[196]},"counts_by_year":[],"updated_date":"2026-07-11T05:49:48.208612","created_date":"2026-07-11T00:00:00"}