{"id":"https://openalex.org/W7167610480","doi":"https://doi.org/10.48550/arxiv.2607.04118","title":"Parametric Memory Decoding for Zero-Shot Routing in LoRA-Based External Parametric Memory","display_name":"Parametric Memory Decoding for Zero-Shot Routing in LoRA-Based External Parametric Memory","publication_year":2026,"publication_date":"2026-07-05","ids":{"openalex":"https://openalex.org/W7167610480","doi":"https://doi.org/10.48550/arxiv.2607.04118"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2607.04118","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.04118","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2607.04118","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5140205656","display_name":"Fengxian Ji","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ji, Fengxian","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140209271","display_name":"Zhuohan Xie","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xie, Zhuohan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140173990","display_name":"Jingpu Yang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yang, Jingpu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047301622","display_name":"F Zhang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhang, Fan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108833307","display_name":"Zirui Song","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Song, Zirui","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5129725643","display_name":"Xiuying Chen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chen, Xiuying","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"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":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10036","display_name":"Advanced Neural Network Applications","score":0.3346000015735626,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10036","display_name":"Advanced Neural Network Applications","score":0.3346000015735626,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T12808","display_name":"Ferroelectric and Negative Capacitance Devices","score":0.2134000062942505,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10502","display_name":"Advanced Memory and Neural Computing","score":0.1136000007390976,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/routing","display_name":"Routing (electronic design automation)","score":0.545199990272522},{"id":"https://openalex.org/keywords/static-routing","display_name":"Static routing","score":0.5149999856948853},{"id":"https://openalex.org/keywords/cognitive-reframing","display_name":"Cognitive reframing","score":0.5077999830245972},{"id":"https://openalex.org/keywords/multipath-routing","display_name":"Multipath routing","score":0.4526999890804291},{"id":"https://openalex.org/keywords/link-state-routing-protocol","display_name":"Link-state routing protocol","score":0.4293000102043152},{"id":"https://openalex.org/keywords/parametric-statistics","display_name":"Parametric statistics","score":0.42820000648498535},{"id":"https://openalex.org/keywords/dynamic-source-routing","display_name":"Dynamic Source Routing","score":0.3977999985218048},{"id":"https://openalex.org/keywords/modular-design","display_name":"Modular design","score":0.36059999465942383}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7113000154495239},{"id":"https://openalex.org/C74172769","wikidata":"https://www.wikidata.org/wiki/Q1446839","display_name":"Routing (electronic design automation)","level":2,"score":0.545199990272522},{"id":"https://openalex.org/C204948658","wikidata":"https://www.wikidata.org/wiki/Q1119410","display_name":"Static routing","level":4,"score":0.5149999856948853},{"id":"https://openalex.org/C187029079","wikidata":"https://www.wikidata.org/wiki/Q958679","display_name":"Cognitive reframing","level":2,"score":0.5077999830245972},{"id":"https://openalex.org/C76522221","wikidata":"https://www.wikidata.org/wiki/Q5035396","display_name":"Multipath routing","level":5,"score":0.4526999890804291},{"id":"https://openalex.org/C89305328","wikidata":"https://www.wikidata.org/wiki/Q1755411","display_name":"Link-state routing protocol","level":4,"score":0.4293000102043152},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.42890000343322754},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.42820000648498535},{"id":"https://openalex.org/C9659607","wikidata":"https://www.wikidata.org/wiki/Q1268903","display_name":"Dynamic Source Routing","level":4,"score":0.3977999985218048},{"id":"https://openalex.org/C101468663","wikidata":"https://www.wikidata.org/wiki/Q1620158","display_name":"Modular design","level":2,"score":0.36059999465942383},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.3587000072002411},{"id":"https://openalex.org/C196423136","wikidata":"https://www.wikidata.org/wiki/Q7209671","display_name":"Policy-based routing","level":5,"score":0.34689998626708984},{"id":"https://openalex.org/C184896649","wikidata":"https://www.wikidata.org/wiki/Q290066","display_name":"Routing table","level":4,"score":0.3292999863624573},{"id":"https://openalex.org/C115443555","wikidata":"https://www.wikidata.org/wiki/Q5367790","display_name":"Equal-cost multi-path routing","level":5,"score":0.3215000033378601},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.30300000309944153},{"id":"https://openalex.org/C195780805","wikidata":"https://www.wikidata.org/wiki/Q1535986","display_name":"Metrics","level":5,"score":0.2874000072479248},{"id":"https://openalex.org/C104954878","wikidata":"https://www.wikidata.org/wiki/Q1648707","display_name":"Routing protocol","level":3,"score":0.2854999899864197},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.2660999894142151},{"id":"https://openalex.org/C29436982","wikidata":"https://www.wikidata.org/wiki/Q3700557","display_name":"Destination-Sequenced Distance Vector routing","level":5,"score":0.25690001249313354}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2607.04118","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.04118","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2607.04118","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.04118","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"With":[0],"the":[1,58,108,155,167],"rise":[2],"of":[3,169],"parametric":[4,126],"memory,":[5],"LoRA-based":[6,36],"External":[7],"Parametric":[8,104],"Memory":[9,105],"(EPM)":[10],"has":[11],"emerged":[12],"as":[13,121,179],"a":[14,31,35,82,144,180],"modular":[15],"solution,":[16],"but":[17],"existing":[18,48],"routing":[19,45,51,79,117,162,172,186],"methods":[20,52],"often":[21],"introduce":[22],"additional":[23,44],"training,":[24],"deployment,":[25],"and":[26,76,100,102,173],"maintenance":[27],"overhead.":[28],"This":[29],"raises":[30],"natural":[32],"question:":[33],"can":[34,177],"EPM":[37,59,74],"bank":[38],"be":[39],"routed":[40],"without":[41],"maintaining":[42],"an":[43],"component?":[46],"However,":[47],"zero-shot":[49,115,161,170,185],"LoRA":[50,116,138,171],"still":[53],"face":[54],"two":[55],"problems":[56],"under":[57],"setting:":[60],"(1)":[61],"their":[62,78],"evaluations":[63],"are":[64],"scattered":[65],"across":[66,159],"different":[67],"task":[68],"settings":[69],"rather":[70],"than":[71],"organized":[72],"around":[73],"access,":[75],"(2)":[77],"signals":[80],"lack":[81],"unified":[83],"perspective":[84],"to":[85,112],"guide":[86],"systematic":[87],"improvement.":[88],"To":[89],"address":[90],"these":[91],"problems,":[92],"we":[93,131],"organize":[94],"PMD-Bench,":[95],"covering":[96],"document-level,":[97],"domain-level":[98],"knowledge,":[99],"task-skill,":[101],"propose":[103],"Decoding":[106],"(PMD),":[107],"first":[109],"framework":[110,182],"designed":[111],"systematically":[113],"improve":[114],"by":[118,139],"reframing":[119],"it":[120],"decoding":[122],"activations":[123],"over":[124],"external":[125],"memory.":[127],"Based":[128],"on":[129,149],"PMD,":[130],"further":[132],"instantiate":[133],"PMDRouter,":[134],"which":[135],"scores":[136],"each":[137],"its":[140],"response":[141],"magnitude":[142],"from":[143],"single":[145],"base-model":[146],"prefill.":[147],"Experiments":[148],"PMD-Bench":[150],"show":[151],"that":[152,175],"PMDRouter":[153],"achieves":[154],"strongest":[156],"internal-signal":[157],"performance":[158],"multiple":[160],"settings.":[163],"These":[164],"results":[165],"demonstrate":[166],"feasibility":[168],"suggest":[174],"PMD":[176],"serve":[178],"general":[181],"for":[183],"improving":[184],"methods.":[187],"Sources:":[188],"Github":[189],"(https://anonymous.4open.science/r/Parametric-Memory-Decoding-872A/)":[190]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-07-08T00:00:00"}
