{"id":"https://openalex.org/W7162405333","doi":"https://doi.org/10.1145/3788853.3801589","title":"PowerRAG: Building Smarter and More Accurate RAG Systems with OceanBase's Multi-modal Retrieval","display_name":"PowerRAG: Building Smarter and More Accurate RAG Systems with OceanBase's Multi-modal Retrieval","publication_year":2026,"publication_date":"2026-05-26","ids":{"openalex":"https://openalex.org/W7162405333","doi":"https://doi.org/10.1145/3788853.3801589"},"language":null,"primary_location":{"id":"doi:10.1145/3788853.3801589","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3788853.3801589","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":"Companion of the International Conference on Management of Data","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3788853.3801589","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5136997359","display_name":"Quanqing Xu","orcid":"https://orcid.org/0000-0001-8989-9662"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Quanqing Xu","raw_affiliation_strings":["OceanBase, Ant Group, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0001-8989-9662","affiliations":[{"raw_affiliation_string":"OceanBase, Ant Group, Hangzhou, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136999025","display_name":"Chuanhui Yang","orcid":"https://orcid.org/0009-0009-3530-6476"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chuanhui Yang","raw_affiliation_strings":["OceanBase, Ant Group, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0009-3530-6476","affiliations":[{"raw_affiliation_string":"OceanBase, Ant Group, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137006218","display_name":"Feizhi Cai","orcid":"https://orcid.org/0009-0009-9915-4782"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Feizhi Cai","raw_affiliation_strings":["OceanBase, Ant Group, Hangzhou, China"],"raw_orcid":"https://orcid.org/0009-0009-9915-4782","affiliations":[{"raw_affiliation_string":"OceanBase, Ant Group, Hangzhou, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137072861","display_name":"Li Feng","orcid":"https://orcid.org/0009-0002-7041-4201"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li Feng","raw_affiliation_strings":["OceanBase, Ant Group, Hangzhou, China"],"raw_orcid":"https://orcid.org/0009-0002-7041-4201","affiliations":[{"raw_affiliation_string":"OceanBase, Ant Group, Hangzhou, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137080020","display_name":"Jiannan Ji","orcid":"https://orcid.org/0009-0007-9221-9702"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jiannan Ji","raw_affiliation_strings":["OceanBase, Ant Group, Hangzhou, China"],"raw_orcid":"https://orcid.org/0009-0007-9221-9702","affiliations":[{"raw_affiliation_string":"OceanBase, Ant Group, Hangzhou, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101533582","display_name":"Zhifeng Yang","orcid":"https://orcid.org/0000-0003-4672-8243"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhifeng Yang","raw_affiliation_strings":["OceanBase, Ant Group, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0000-9747-965X","affiliations":[{"raw_affiliation_string":"OceanBase, Ant Group, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137031648","display_name":"Guoping Wang","orcid":"https://orcid.org/0009-0003-6149-5975"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Guoping Wang","raw_affiliation_strings":["OceanBase, Ant Group, Hangzhou, China"],"raw_orcid":"https://orcid.org/0009-0003-6149-5975","affiliations":[{"raw_affiliation_string":"OceanBase, Ant Group, Hangzhou, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018475146","display_name":"Y S Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I79223203","display_name":"Guangdong Ocean University","ror":"https://ror.org/0462wa640","country_code":"CN","type":"education","lineage":["https://openalex.org/I79223203"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Zhang","raw_affiliation_strings":["OceanBase, Ant Group, Shenzhen, China"],"raw_orcid":"https://orcid.org/0009-0009-9931-1522","affiliations":[{"raw_affiliation_string":"OceanBase, Ant Group, Shenzhen, China","institution_ids":["https://openalex.org/I79223203"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"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":0.81629393,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"142","last_page":"145"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.33320000767707825,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.33320000767707825,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11698","display_name":"Underwater Acoustics Research","score":0.09179999679327011,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14427","display_name":"Environmental Monitoring and Data Management","score":0.07329999655485153,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.27900001406669617},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.27250000834465027},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.2574000060558319},{"id":"https://openalex.org/keywords/information-system","display_name":"Information system","score":0.2554999887943268},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.24789999425411224}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6129999756813049},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3540000021457672},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.27900001406669617},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.27250000834465027},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.2574000060558319},{"id":"https://openalex.org/C180198813","wikidata":"https://www.wikidata.org/wiki/Q121182","display_name":"Information system","level":2,"score":0.2554999887943268},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.251800000667572},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.24789999425411224},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.22779999673366547},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.2207999974489212}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3788853.3801589","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3788853.3801589","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":"Companion of the International Conference on Management of Data","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3788853.3801589","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3788853.3801589","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":"Companion of the International Conference on Management of Data","raw_type":"proceedings-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","display_name":"Life below water","score":0.6080551147460938}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W3156789018","https://openalex.org/W4385565351"],"related_works":[],"abstract_inverted_index":{"To":[0],"reduce":[1],"hallucinations":[2,81],"and":[3,68,71,87,104,118],"improve":[4],"LLM":[5,45],"response":[6],"quality,":[7],"the":[8,25,30,33,44,102,121,130,134],"Retrieval-Augmented":[9],"Generation":[10],"(RAG)":[11],"paradigm":[12],"has":[13],"emerged.":[14],"RAG":[15,136],"retrieves":[16],"relevant":[17],"content":[18],"from":[19],"external":[20],"knowledge":[21,86],"sources":[22],"conditioned":[23],"on":[24],"user's":[26],"query,":[27],"then":[28],"concatenates":[29],"query":[31,58],"with":[32,111],"retrieved":[34],"context":[35],"as":[36,97,113,115],"model":[37],"input":[38],"(an":[39],"augmented":[40],"prompt)":[41],"to":[42,129],"obtain":[43],"response.":[46],"We":[47],"propose":[48],"PowerRAG,":[49,112],"an":[50],"RAG-based":[51],"intelligent":[52,94],"application":[53],"development":[54],"engine.":[55],"PowerRAG":[56],"leverages":[57],"rewriting,":[59],"multi-format":[60],"document":[61,64],"preprocessing,":[62],"RAPTOR-based":[63],"indexing,":[65],"self-developed":[66],"caching,":[67],"candidate":[69],"retrieving":[70],"reranking":[72],"powered":[73],"by":[74,83],"a":[75],"proprietary":[76],"high-performance":[77],"database,":[78],"effectively":[79],"mitigating":[80],"caused":[82],"outdated":[84],"parametric":[85],"gaps":[88],"in":[89],"long-tail":[90],"knowledge.":[91],"Using":[92],"general-purpose":[93],"chat":[95],"assistant":[96],"example":[98],"scenarios,":[99],"we":[100],"demonstrate":[101],"efficiency":[103],"comprehensive":[105],"features":[106],"of":[107,123,133],"building":[108],"AI":[109,124],"applications":[110],"well":[114],"its":[116],"ease":[117],"speed":[119],"during":[120],"use":[122],"applications,":[125],"contributing":[126],"our":[127],"efforts":[128],"further":[131],"improvement":[132],"Agentic":[135],"ecosystem.":[137]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2026-05-27T00:00:00"}