{"id":"https://openalex.org/W2017519449","doi":"https://doi.org/10.1145/1458082.1458304","title":"Estimating the number of answers with guarantees for structured queries in p2p databases","display_name":"Estimating the number of answers with guarantees for structured queries in p2p databases","publication_year":2008,"publication_date":"2008-10-26","ids":{"openalex":"https://openalex.org/W2017519449","doi":"https://doi.org/10.1145/1458082.1458304","mag":"2017519449"},"language":"en","primary_location":{"id":"doi:10.1145/1458082.1458304","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1458082.1458304","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 17th ACM conference on Information and knowledge management","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/A5081672569","display_name":"Marcel Karnstedt","orcid":null},"institutions":[{"id":"https://openalex.org/I119449181","display_name":"Technische Universit\u00e4t Ilmenau","ror":"https://ror.org/01weqhp73","country_code":"DE","type":"education","lineage":["https://openalex.org/I119449181"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Marcel Karnstedt","raw_affiliation_strings":["TU Ilmenau, Ilmenau, Germany","Tu Ilmenau, Ilmenau, Germany#TAB#"],"affiliations":[{"raw_affiliation_string":"TU Ilmenau, Ilmenau, Germany","institution_ids":["https://openalex.org/I119449181"]},{"raw_affiliation_string":"Tu Ilmenau, Ilmenau, Germany#TAB#","institution_ids":["https://openalex.org/I119449181"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068875440","display_name":"Kai-Uwe Sattler","orcid":"https://orcid.org/0000-0003-1608-7721"},"institutions":[{"id":"https://openalex.org/I119449181","display_name":"Technische Universit\u00e4t Ilmenau","ror":"https://ror.org/01weqhp73","country_code":"DE","type":"education","lineage":["https://openalex.org/I119449181"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Kai-Uwe Sattler","raw_affiliation_strings":["TU Ilmenau, Ilmenau, Germany","Tu Ilmenau, Ilmenau, Germany#TAB#"],"affiliations":[{"raw_affiliation_string":"TU Ilmenau, Ilmenau, Germany","institution_ids":["https://openalex.org/I119449181"]},{"raw_affiliation_string":"Tu Ilmenau, Ilmenau, Germany#TAB#","institution_ids":["https://openalex.org/I119449181"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Michael Ha\u00df","orcid":null},"institutions":[{"id":"https://openalex.org/I119449181","display_name":"Technische Universit\u00e4t Ilmenau","ror":"https://ror.org/01weqhp73","country_code":"DE","type":"education","lineage":["https://openalex.org/I119449181"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Michael Ha\u00df","raw_affiliation_strings":["TU Ilmenau, Ilmenau, Germany","Tu Ilmenau, Ilmenau, Germany#TAB#"],"affiliations":[{"raw_affiliation_string":"TU Ilmenau, Ilmenau, Germany","institution_ids":["https://openalex.org/I119449181"]},{"raw_affiliation_string":"Tu Ilmenau, Ilmenau, Germany#TAB#","institution_ids":["https://openalex.org/I119449181"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031880032","display_name":"Manfred Hauswirth","orcid":"https://orcid.org/0000-0002-1839-0372"},"institutions":[{"id":"https://openalex.org/I188760350","display_name":"Ollscoil na Gaillimhe \u2013 University of Galway","ror":"https://ror.org/03bea9k73","country_code":"IE","type":"education","lineage":["https://openalex.org/I188760350"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Manfred Hauswirth","raw_affiliation_strings":["National University Ireland Galway, Galway, Ireland","National University Ireland-Galway, Galway, Ireland"],"affiliations":[{"raw_affiliation_string":"National University Ireland Galway, Galway, Ireland","institution_ids":["https://openalex.org/I188760350"]},{"raw_affiliation_string":"National University Ireland-Galway, Galway, Ireland","institution_ids":["https://openalex.org/I188760350"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083507251","display_name":"Brahmananda Sapkota","orcid":null},"institutions":[{"id":"https://openalex.org/I188760350","display_name":"Ollscoil na Gaillimhe \u2013 University of Galway","ror":"https://ror.org/03bea9k73","country_code":"IE","type":"education","lineage":["https://openalex.org/I188760350"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Brahmananda Sapkota","raw_affiliation_strings":["National University Ireland Galway, Galway, Ireland","National University Ireland-Galway, Galway, Ireland"],"affiliations":[{"raw_affiliation_string":"National University Ireland Galway, Galway, Ireland","institution_ids":["https://openalex.org/I188760350"]},{"raw_affiliation_string":"National University Ireland-Galway, Galway, Ireland","institution_ids":["https://openalex.org/I188760350"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5104017028","display_name":"Roman Schmidt","orcid":null},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Roman Schmidt","raw_affiliation_strings":["Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland"],"affiliations":[{"raw_affiliation_string":"Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5081672569"],"corresponding_institution_ids":["https://openalex.org/I119449181"],"apc_list":null,"apc_paid":null,"fwci":2.696,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.90602594,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1407","last_page":"1408"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10742","display_name":"Peer-to-Peer Network Technologies","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10742","display_name":"Peer-to-Peer Network Technologies","score":1.0,"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/T11478","display_name":"Caching and Content Delivery","score":0.9991999864578247,"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9991000294685364,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8585624694824219},{"id":"https://openalex.org/keywords/completeness","display_name":"Completeness (order theory)","score":0.7165131568908691},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6159389615058899},{"id":"https://openalex.org/keywords/overlay","display_name":"Overlay","score":0.5617246031761169},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.48308685421943665},{"id":"https://openalex.org/keywords/distributed-database","display_name":"Distributed database","score":0.47561436891555786},{"id":"https://openalex.org/keywords/routing","display_name":"Routing (electronic design automation)","score":0.4747091829776764},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.33940112590789795},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.32729172706604004},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.11387282609939575}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8585624694824219},{"id":"https://openalex.org/C17231256","wikidata":"https://www.wikidata.org/wiki/Q5156540","display_name":"Completeness (order theory)","level":2,"score":0.7165131568908691},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6159389615058899},{"id":"https://openalex.org/C136085584","wikidata":"https://www.wikidata.org/wiki/Q910289","display_name":"Overlay","level":2,"score":0.5617246031761169},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.48308685421943665},{"id":"https://openalex.org/C70061542","wikidata":"https://www.wikidata.org/wiki/Q989016","display_name":"Distributed database","level":2,"score":0.47561436891555786},{"id":"https://openalex.org/C74172769","wikidata":"https://www.wikidata.org/wiki/Q1446839","display_name":"Routing (electronic design automation)","level":2,"score":0.4747091829776764},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.33940112590789795},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.32729172706604004},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.11387282609939575},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1458082.1458304","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1458082.1458304","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 17th ACM conference on Information and knowledge management","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2107896715","https://openalex.org/W2128276192","https://openalex.org/W2129755148","https://openalex.org/W2165207942"],"related_works":["https://openalex.org/W595346907","https://openalex.org/W153296825","https://openalex.org/W598989511","https://openalex.org/W2375779923","https://openalex.org/W2041986468","https://openalex.org/W1967800214","https://openalex.org/W2055675609","https://openalex.org/W4388001050","https://openalex.org/W2245277136","https://openalex.org/W3013668398"],"abstract_inverted_index":{"Structured":[0],"P2P":[1],"overlays":[2],"supporting":[3],"standard":[4],"database":[5],"functionalities":[6],"are":[7],"a":[8],"popular":[9],"choice":[10],"for":[11,26],"building":[12],"large-scale":[13],"distributed":[14],"data":[15],"management":[16],"systems.":[17],"In":[18,38],"such":[19],"systems,":[20],"estimating":[21],"the":[22,54],"number":[23],"of":[24],"answers":[25],"structured":[27],"queries":[28],"can":[29],"help":[30],"approximating":[31],"query":[32],"completeness,":[33],"but":[34],"is":[35],"especially":[36],"challenging.":[37],"this":[39],"paper,":[40],"we":[41],"propose":[42],"to":[43,49],"use":[44],"routing":[45],"graphs":[46],"in":[47],"order":[48],"achieve":[50],"this.":[51],"We":[52],"introduce":[53],"general":[55],"approach":[56],"and":[57,64],"briefly":[58],"discuss":[59],"further":[60],"aspects":[61],"like":[62],"overhead":[63],"guarantees.":[65]},"counts_by_year":[{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-03-25T23:56:10.502304","created_date":"2025-10-10T00:00:00"}