{"id":"https://openalex.org/W7168421042","doi":"https://doi.org/10.1145/3805712.3809703","title":"STRIDE: Strategic Iterative Decision-Making for Retrieval-Augmented Multi-Hop Question Answering","display_name":"STRIDE: Strategic Iterative Decision-Making for Retrieval-Augmented Multi-Hop Question Answering","publication_year":2026,"publication_date":"2026-07-15","ids":{"openalex":"https://openalex.org/W7168421042","doi":"https://doi.org/10.1145/3805712.3809703"},"language":null,"primary_location":{"id":"doi:10.1145/3805712.3809703","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3805712.3809703","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":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3805712.3809703","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5140832068","display_name":"Wei Chen","orcid":"https://orcid.org/0000-0003-4700-2612"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]},{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Chen","raw_affiliation_strings":["University of Science and Technology of China, Hefei, Anhui, China and State Key Laboratory of Cognitive Intelligence, Hefei, Anhui, China"],"raw_orcid":"https://orcid.org/0000-0003-4700-2612","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, Anhui, China and State Key Laboratory of Cognitive Intelligence, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041","https://openalex.org/I143868143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140853882","display_name":"Lili Zhao","orcid":"https://orcid.org/0000-0002-5786-2424"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]},{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lili Zhao","raw_affiliation_strings":["University of Science and Technology of China, Hefei, Anhui, China and State Key Laboratory of Cognitive Intelligence, Hefei, Anhui, China"],"raw_orcid":"https://orcid.org/0000-0002-5786-2424","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, Anhui, China and State Key Laboratory of Cognitive Intelligence, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041","https://openalex.org/I143868143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140862095","display_name":"Zhi Zheng","orcid":"https://orcid.org/0000-0001-7758-8904"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]},{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhi Zheng","raw_affiliation_strings":["University of Science and Technology of China, Hefei, Anhui, China and State Key Laboratory of Cognitive Intelligence, Hefei, Anhui, China"],"raw_orcid":"https://orcid.org/0000-0001-7758-8904","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, Anhui, China and State Key Laboratory of Cognitive Intelligence, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041","https://openalex.org/I143868143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140836973","display_name":"Huijun Hou","orcid":"https://orcid.org/0009-0003-8764-6938"},"institutions":[{"id":"https://openalex.org/I4210120532","display_name":"Anhui Transport Consulting & Design Institute (China)","ror":"https://ror.org/02h6hms35","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210120532"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huijun Hou","raw_affiliation_strings":["NIO Inc., Hefei, Anhui, China"],"raw_orcid":"https://orcid.org/0009-0003-8764-6938","affiliations":[{"raw_affiliation_string":"NIO Inc., Hefei, Anhui, China","institution_ids":["https://openalex.org/I4210120532"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5140758198","display_name":"Tong Xu","orcid":"https://orcid.org/0000-0003-4246-5386"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]},{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tong Xu","raw_affiliation_strings":["University of Science and Technology of China, Hefei, Anhui, China and State Key Laboratory of Cognitive Intelligence, Hefei, Anhui, China"],"raw_orcid":"https://orcid.org/0000-0003-4246-5386","affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, Anhui, China and State Key Laboratory of Cognitive Intelligence, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041","https://openalex.org/I143868143"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"202","last_page":"212"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":null,"topics":[],"keywords":[{"id":"https://openalex.org/keywords/question-answering","display_name":"Question answering","score":0.5817000269889832},{"id":"https://openalex.org/keywords/information-system","display_name":"Information system","score":0.3057999908924103},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.30550000071525574},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.2822999954223633},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.26759999990463257}],"concepts":[{"id":"https://openalex.org/C44291984","wikidata":"https://www.wikidata.org/wiki/Q1074173","display_name":"Question answering","level":2,"score":0.5817000269889832},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5480999946594238},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3628000020980835},{"id":"https://openalex.org/C56739046","wikidata":"https://www.wikidata.org/wiki/Q192060","display_name":"Knowledge management","level":1,"score":0.30660000443458557},{"id":"https://openalex.org/C180198813","wikidata":"https://www.wikidata.org/wiki/Q121182","display_name":"Information system","level":2,"score":0.3057999908924103},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.30550000071525574},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.2822999954223633},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.26759999990463257},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.2671999931335449},{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.26249998807907104},{"id":"https://openalex.org/C143587482","wikidata":"https://www.wikidata.org/wiki/Q1543216","display_name":"Iterative and incremental development","level":2,"score":0.25360000133514404}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3805712.3809703","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3805712.3809703","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:10.1145/3805712.3809703","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3805712.3809703","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":33,"referenced_works":["https://openalex.org/W2889787757","https://openalex.org/W2962922117","https://openalex.org/W2998702515","https://openalex.org/W3105055324","https://openalex.org/W3115947671","https://openalex.org/W3190126809","https://openalex.org/W3190271517","https://openalex.org/W4385571271","https://openalex.org/W4385571898","https://openalex.org/W4389519118","https://openalex.org/W4389519586","https://openalex.org/W4389520103","https://openalex.org/W4389520192","https://openalex.org/W4389520468","https://openalex.org/W4391376033","https://openalex.org/W4396722757","https://openalex.org/W4396758719","https://openalex.org/W4396758745","https://openalex.org/W4400526126","https://openalex.org/W4400528326","https://openalex.org/W4401043267","https://openalex.org/W4401043457","https://openalex.org/W4401857375","https://openalex.org/W4402671930","https://openalex.org/W4402671982","https://openalex.org/W4404239715","https://openalex.org/W4404782186","https://openalex.org/W4409363066","https://openalex.org/W4412377794","https://openalex.org/W4412378274","https://openalex.org/W4412889654","https://openalex.org/W4416034106","https://openalex.org/W4416036316"],"related_works":[],"abstract_inverted_index":{"Multi-hop":[0],"question":[1,53],"answering":[2],"(MHQA)":[3],"enables":[4],"accurate":[5,261],"answers":[6],"to":[7,44,57,106,158,182,193],"complex":[8],"queries":[9,170,181],"by":[10,130],"retrieving":[11],"and":[12,92,149,171,178,188,204,260],"reasoning":[13,50,71,104,121,225,262],"over":[14],"evidence":[15,161],"dispersed":[16],"across":[17],"multiple":[18],"documents.":[19],"Existing":[20],"MHQA":[21,264],"approaches":[22],"mainly":[23],"rely":[24],"on":[25,263],"iterative":[26],"retrieval-augmented":[27],"generation,":[28],"which":[29,125],"suffer":[30],"from":[31,164,244],"the":[32,61,67,108,112,120],"following":[33],"two":[34],"major":[35],"issues.":[36],"On":[37,60],"one":[38],"hand,":[39,63],"existing":[40,64,165],"methods":[41,65],"prematurely":[42],"commit":[43],"surface-level":[45],"entities":[46],"rather":[47],"than":[48],"underlying":[49],"structures,":[51],"making":[52],"decomposition":[54],"highly":[55],"vulnerable":[56],"lexical":[58,132],"ambiguity.":[59],"other":[62],"overlook":[66],"logical":[68,189],"dependencies":[69],"among":[70],"steps,":[72],"resulting":[73],"in":[74,140,222],"uncoordinated":[75],"execution.":[76,94],"To":[77,227],"address":[78],"these":[79],"issues,":[80],"we":[81,231],"propose":[82,233],"STRIDE,":[83,245],"a":[84,98,141,235],"framework":[85,238],"that":[86,239,256],"separates":[87],"strategic":[88],"planning,":[89],"dynamic":[90],"control,":[91],"grounded":[93],"At":[95],"its":[96,223],"core,":[97],"Meta-Planner":[99],"first":[100],"constructs":[101],"an":[102],"entity-agnostic":[103],"skeleton":[105],"capture":[107],"abstract":[109],"logic":[110],"of":[111,202],"query,":[113],"thereby":[114],"deferring":[115],"entity":[116],"grounding":[117],"until":[118],"after":[119],"structure":[122],"is":[123,208],"established,":[124],"mitigates":[126],"disambiguation":[127],"errors":[128],"caused":[129],"premature":[131],"commitment.":[133],"A":[134],"Supervisor":[135],"then":[136],"orchestrates":[137],"sub-question":[138],"execution":[139,195,242],"dependency-aware":[142],"manner,":[143],"enabling":[144],"efficient":[145],"parallelization":[146],"where":[147],"possible":[148],"sequential":[150],"coordination":[151],"when":[152],"necessary.":[153],"By":[154],"dynamically":[155],"deciding":[156],"whether":[157],"retrieve":[159],"new":[160],"or":[162],"infer":[163],"facts,":[166],"it":[167],"avoids":[168],"redundant":[169],"error":[172],"propagation,":[173],"while":[174,266],"fusing":[175],"cross-branch":[176],"information":[177],"reformulating":[179],"failed":[180],"enhance":[183],"robustness.":[184],"Grounded":[185],"fact":[186],"extraction":[187],"inference":[190],"are":[191],"delegated":[192],"specialized":[194],"modules,":[196],"ensuring":[197],"faithfulness":[198],"through":[199],"explicit":[200],"separation":[201],"retrieval":[203],"reasoning.":[205],"While":[206],"STRIDE":[207,257],"compatible":[209],"with":[210],"any":[211],"large":[212],"language":[213],"models":[214],"(LLMs),":[215],"off-the-shelf":[216],"open-source":[217,270],"LLMs":[218],"underperform":[219],"closed-source":[220],"counterparts":[221],"structured":[224],"pipeline.":[226],"close":[228],"this":[229],"gap,":[230],"further":[232],"STRIDE-FT,":[234],"modular":[236],"fine-tuning":[237],"uses":[240],"self-generated":[241],"trajectories":[243],"requiring":[246],"neither":[247],"human":[248],"annotations":[249],"nor":[250],"stronger":[251],"teacher":[252],"models.":[253],"Experiments":[254],"show":[255],"achieves":[258],"robust":[259],"benchmarks,":[265],"STRIDE-FT":[267],"effectively":[268],"enhances":[269],"LLMs.":[271]},"counts_by_year":[],"updated_date":"2026-07-17T05:52:16.776730","created_date":"2026-07-16T00:00:00"}
