{"id":"https://openalex.org/W2028142593","doi":"https://doi.org/10.1145/1869790.1869862","title":"Memory-efficient A*-search using sparse embeddings","display_name":"Memory-efficient A*-search using sparse embeddings","publication_year":2010,"publication_date":"2010-11-02","ids":{"openalex":"https://openalex.org/W2028142593","doi":"https://doi.org/10.1145/1869790.1869862","mag":"2028142593"},"language":"en","primary_location":{"id":"doi:10.1145/1869790.1869862","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1869790.1869862","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 18th SIGSPATIAL International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5078859026","display_name":"Franz Graf","orcid":"https://orcid.org/0009-0002-1709-7307"},"institutions":[{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]},{"id":"https://openalex.org/I4210095579","display_name":"Institute for Sports Medicine","ror":"https://ror.org/0084rd854","country_code":"DE","type":"other","lineage":["https://openalex.org/I4210095579"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Franz Graf","raw_affiliation_strings":["Institute for Informatics, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Institute for Informatics, Munich, Germany","institution_ids":["https://openalex.org/I8204097","https://openalex.org/I4210095579"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109848174","display_name":"Hans\u2010Peter Kriegel","orcid":null},"institutions":[{"id":"https://openalex.org/I4210095579","display_name":"Institute for Sports Medicine","ror":"https://ror.org/0084rd854","country_code":"DE","type":"other","lineage":["https://openalex.org/I4210095579"]},{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hans-Peter Kriegel","raw_affiliation_strings":["Institute for Informatics, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Institute for Informatics, Munich, Germany","institution_ids":["https://openalex.org/I8204097","https://openalex.org/I4210095579"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016653456","display_name":"Matthias Renz","orcid":"https://orcid.org/0000-0002-2024-7700"},"institutions":[{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]},{"id":"https://openalex.org/I4210095579","display_name":"Institute for Sports Medicine","ror":"https://ror.org/0084rd854","country_code":"DE","type":"other","lineage":["https://openalex.org/I4210095579"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Matthias Renz","raw_affiliation_strings":["Institute for Informatics, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Institute for Informatics, Munich, Germany","institution_ids":["https://openalex.org/I8204097","https://openalex.org/I4210095579"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003177894","display_name":"Matthias Schubert","orcid":"https://orcid.org/0000-0002-6566-6343"},"institutions":[{"id":"https://openalex.org/I4210095579","display_name":"Institute for Sports Medicine","ror":"https://ror.org/0084rd854","country_code":"DE","type":"other","lineage":["https://openalex.org/I4210095579"]},{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Matthias Schubert","raw_affiliation_strings":["Institute for Informatics, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Institute for Informatics, Munich, Germany","institution_ids":["https://openalex.org/I8204097","https://openalex.org/I4210095579"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5078859026"],"corresponding_institution_ids":["https://openalex.org/I4210095579","https://openalex.org/I8204097"],"apc_list":null,"apc_paid":null,"fwci":0.3383,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.56375413,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"462","last_page":"465"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11106","display_name":"Data Management and Algorithms","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T12288","display_name":"Optimization and Search Problems","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T12292","display_name":"Graph Theory and Algorithms","score":0.9948999881744385,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/embedding","display_name":"Embedding","score":0.8011224865913391},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.7563385963439941},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6999098062515259},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.559927225112915},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.5240669250488281},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.5062238574028015},{"id":"https://openalex.org/keywords/approximation-algorithm","display_name":"Approximation algorithm","score":0.4774794578552246},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3575325012207031},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.324489563703537},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24327340722084045},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.23661217093467712}],"concepts":[{"id":"https://openalex.org/C41608201","wikidata":"https://www.wikidata.org/wiki/Q980509","display_name":"Embedding","level":2,"score":0.8011224865913391},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.7563385963439941},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6999098062515259},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.559927225112915},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.5240669250488281},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.5062238574028015},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.4774794578552246},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3575325012207031},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.324489563703537},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24327340722084045},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.23661217093467712},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1869790.1869862","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1869790.1869862","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 18th SIGSPATIAL International Conference on Advances in Geographic Information Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.385.5855","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.385.5855","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.dbs.ifi.lmu.de/Publikationen/Papers/ACMGIS_SEM10.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3645676756","display_name":null,"funder_award_id":"01MQ07020","funder_id":"https://openalex.org/F4320321469","funder_display_name":"Bundesministerium f\u00fcr Wirtschaft und Technologie"}],"funders":[{"id":"https://openalex.org/F4320321469","display_name":"Bundesministerium f\u00fcr Wirtschaft und Technologie","ror":"https://ror.org/02vgg2808"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W27247825","https://openalex.org/W30435042","https://openalex.org/W127515624","https://openalex.org/W168093571","https://openalex.org/W197260046","https://openalex.org/W1489554686","https://openalex.org/W1537256577","https://openalex.org/W1543003006","https://openalex.org/W1561240874","https://openalex.org/W1600592911","https://openalex.org/W1810931192","https://openalex.org/W1996805805","https://openalex.org/W1999545213","https://openalex.org/W2000480596","https://openalex.org/W2003457914","https://openalex.org/W2007572995","https://openalex.org/W2014889099","https://openalex.org/W2027580688","https://openalex.org/W2048096483","https://openalex.org/W2056403031","https://openalex.org/W2063491776","https://openalex.org/W2066582699","https://openalex.org/W2069916913","https://openalex.org/W2077383738","https://openalex.org/W2084224084","https://openalex.org/W2085248615","https://openalex.org/W2095352457","https://openalex.org/W2100586428","https://openalex.org/W2127470768","https://openalex.org/W2151400766","https://openalex.org/W2169528473","https://openalex.org/W2176446742","https://openalex.org/W2180471588","https://openalex.org/W2548579856","https://openalex.org/W2979473749","https://openalex.org/W3015760390"],"related_works":["https://openalex.org/W2081900870","https://openalex.org/W2037549926","https://openalex.org/W2345479200","https://openalex.org/W2183306018","https://openalex.org/W2849310602","https://openalex.org/W3006008237","https://openalex.org/W2419146053","https://openalex.org/W4388890789","https://openalex.org/W2088247287","https://openalex.org/W2963903416"],"abstract_inverted_index":{"When":[0],"searching":[1],"for":[2,34,40,76],"optimal":[3],"paths":[4],"in":[5],"a":[6,23,31],"network,":[7],"algorithms":[8],"like":[9],"A*-search":[10],"need":[11],"an":[12,37],"approximation":[13,38],"of":[14,43,49,57,66,82,89],"the":[15,19,50,54,58,64,79,87,90],"minimal":[16],"costs":[17],"between":[18],"current":[20],"node":[21,28],"and":[22,68,85],"target":[24],"node.":[25],"A":[26,47],"reference":[27],"embedding":[29,59],"is":[30,52,60],"universal":[32],"method":[33],"making":[35],"such":[36],"working":[39],"any":[41],"type":[42],"positive":[44],"edge":[45],"weights.":[46],"drawback":[48],"approach":[51],"that":[53],"memory":[55,80],"consumption":[56,81],"linearly":[61],"increasing":[62],"with":[63],"number":[65],"attributes":[67],"landmarks.":[69],"In":[70],"this":[71],"paper,":[72],"we":[73],"propose":[74],"methods":[75],"significantly":[77],"decreasing":[78],"embedded":[83],"graphs":[84],"examine":[86],"impact":[88],"landmark":[91],"selection.":[92]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
