{"id":"https://openalex.org/W2032111200","doi":"https://doi.org/10.1145/1571941.1572161","title":"Pharos","display_name":"Pharos","publication_year":2009,"publication_date":"2009-07-19","ids":{"openalex":"https://openalex.org/W2032111200","doi":"https://doi.org/10.1145/1571941.1572161","mag":"2032111200"},"language":"en","primary_location":{"id":"doi:10.1145/1571941.1572161","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1571941.1572161","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval","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/A5028101938","display_name":"Alessandro Bozzon","orcid":"https://orcid.org/0000-0002-3300-2913"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Alessandro Bozzon","raw_affiliation_strings":["Politecnico di Milano, Milan, Italy","Politecnico di Milano, Milan (Italy)#TAB#"],"affiliations":[{"raw_affiliation_string":"Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]},{"raw_affiliation_string":"Politecnico di Milano, Milan (Italy)#TAB#","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091879812","display_name":"Marco Brambilla","orcid":"https://orcid.org/0000-0002-8753-2434"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Marco Brambilla","raw_affiliation_strings":["Politecnico di Milano, Milan, Italy","Politecnico di Milano, Milan (Italy)#TAB#"],"affiliations":[{"raw_affiliation_string":"Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]},{"raw_affiliation_string":"Politecnico di Milano, Milan (Italy)#TAB#","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024296934","display_name":"Piero Fraternali","orcid":"https://orcid.org/0000-0002-6945-2625"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Piero Fraternali","raw_affiliation_strings":["Politecnico di Milano, Milan, Italy","Politecnico di Milano, Milan (Italy)#TAB#"],"affiliations":[{"raw_affiliation_string":"Politecnico di Milano, Milan, Italy","institution_ids":["https://openalex.org/I93860229"]},{"raw_affiliation_string":"Politecnico di Milano, Milan (Italy)#TAB#","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026908656","display_name":"Francesco Nucci","orcid":"https://orcid.org/0000-0001-7330-4601"},"institutions":[{"id":"https://openalex.org/I4210139705","display_name":"Ingegneria dei Sistemi (Italy)","ror":"https://ror.org/03spsm219","country_code":"IT","type":"company","lineage":["https://openalex.org/I4210139705"]},{"id":"https://openalex.org/I4210101866","display_name":"Informa (Italy)","ror":"https://ror.org/017c2y429","country_code":"IT","type":"company","lineage":["https://openalex.org/I4210101866","https://openalex.org/I4210154378"]},{"id":"https://openalex.org/I4210127672","display_name":"Engineering (Italy)","ror":"https://ror.org/045s9b323","country_code":"IT","type":"company","lineage":["https://openalex.org/I4210127672"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Francesco Nucci","raw_affiliation_strings":["Engineering - Ingegneria Informatica SpA R&amp;D Lab, Rome, Italy"],"affiliations":[{"raw_affiliation_string":"Engineering - Ingegneria Informatica SpA R&amp;D Lab, Rome, Italy","institution_ids":["https://openalex.org/I4210139705","https://openalex.org/I4210127672","https://openalex.org/I4210101866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090803396","display_name":"Stefan Debald","orcid":null},"institutions":[{"id":"https://openalex.org/I4210135422","display_name":"Microsoft (Norway)","ror":"https://ror.org/03jtz4s80","country_code":"NO","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210135422"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Stefan Debald","raw_affiliation_strings":["FAST, a Microsoft\u00ae Subsidiary, Oslo, Norway"],"affiliations":[{"raw_affiliation_string":"FAST, a Microsoft\u00ae Subsidiary, Oslo, Norway","institution_ids":["https://openalex.org/I4210135422"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110336823","display_name":"Eric Moore","orcid":null},"institutions":[{"id":"https://openalex.org/I4210135422","display_name":"Microsoft (Norway)","ror":"https://ror.org/03jtz4s80","country_code":"NO","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210135422"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Eric Moore","raw_affiliation_strings":["FAST, a Microsoft\u00ae Subsidiary, Oslo, Norway"],"affiliations":[{"raw_affiliation_string":"FAST, a Microsoft\u00ae Subsidiary, Oslo, Norway","institution_ids":["https://openalex.org/I4210135422"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108085341","display_name":"Wolfgang Neidl","orcid":null},"institutions":[{"id":"https://openalex.org/I4210136150","display_name":"L3S Research Center","ror":"https://ror.org/039t4wk02","country_code":"DE","type":"facility","lineage":["https://openalex.org/I114112103","https://openalex.org/I4210136150","https://openalex.org/I94509681"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Wolfgang Neidl","raw_affiliation_strings":["L3S Research Center, Hanover, Germany"],"affiliations":[{"raw_affiliation_string":"L3S Research Center, Hanover, Germany","institution_ids":["https://openalex.org/I4210136150"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010700961","display_name":"Michel Plu","orcid":null},"institutions":[{"id":"https://openalex.org/I19370010","display_name":"Orange (France)","ror":"https://ror.org/035j0tq82","country_code":"FR","type":"company","lineage":["https://openalex.org/I19370010"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Michel Plu","raw_affiliation_strings":["France T\u00e9l\u00e9com R&amp;D, Lannion, France"],"affiliations":[{"raw_affiliation_string":"France T\u00e9l\u00e9com R&amp;D, Lannion, France","institution_ids":["https://openalex.org/I19370010"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037565234","display_name":"Patrick Aichroth","orcid":"https://orcid.org/0000-0003-4777-6335"},"institutions":[{"id":"https://openalex.org/I4210138578","display_name":"Fraunhofer Institute for Digital Media Technology","ror":"https://ror.org/04gp0yb49","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210138578","https://openalex.org/I4923324"]},{"id":"https://openalex.org/I4923324","display_name":"Fraunhofer Society","ror":"https://ror.org/05hkkdn48","country_code":"DE","type":"funder","lineage":["https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Patrick Aichroth","raw_affiliation_strings":["Fraunhofer Institute for Digital Media Technology IDMT , Ilmenau, Germany","Fraunhofer Institute for Digital Media Technology IDMT , Ilmenau, Germany#TAB#"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Digital Media Technology IDMT , Ilmenau, Germany","institution_ids":["https://openalex.org/I4210138578"]},{"raw_affiliation_string":"Fraunhofer Institute for Digital Media Technology IDMT , Ilmenau, Germany#TAB#","institution_ids":["https://openalex.org/I4923324"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061657487","display_name":"Olli Pihlajamaa","orcid":null},"institutions":[{"id":"https://openalex.org/I87653560","display_name":"VTT Technical Research Centre of Finland","ror":"https://ror.org/04b181w54","country_code":"FI","type":"nonprofit","lineage":["https://openalex.org/I4210089493","https://openalex.org/I87653560"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Olli Pihlajamaa","raw_affiliation_strings":["VTT Technical Research Centre of Finland, Espoo, Finland"],"affiliations":[{"raw_affiliation_string":"VTT Technical Research Centre of Finland, Espoo, Finland","institution_ids":["https://openalex.org/I87653560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108349859","display_name":"Cyril Laurier","orcid":null},"institutions":[{"id":"https://openalex.org/I170486558","display_name":"Pompeu Fabra University","ror":"https://ror.org/04n0g0b29","country_code":"ES","type":"education","lineage":["https://openalex.org/I170486558"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Cyril Laurier","raw_affiliation_strings":["Universitat Pompeu Fabra, Barcelona, Spain","Universitat Pompeu, Fabra, Barcelona, Spain#TAB#"],"affiliations":[{"raw_affiliation_string":"Universitat Pompeu Fabra, Barcelona, Spain","institution_ids":["https://openalex.org/I170486558"]},{"raw_affiliation_string":"Universitat Pompeu, Fabra, Barcelona, Spain#TAB#","institution_ids":["https://openalex.org/I170486558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081215986","display_name":"Serge Zagorac","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Serge Zagorac","raw_affiliation_strings":["Knowledge Media Institute, Milton Keynes, United Kingdom"],"affiliations":[{"raw_affiliation_string":"Knowledge Media Institute, Milton Keynes, United Kingdom","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034041072","display_name":"Gerhard Backfried","orcid":"https://orcid.org/0000-0001-8649-7326"},"institutions":[{"id":"https://openalex.org/I4210097184","display_name":"SAIL LABS Technology (Austria)","ror":"https://ror.org/011t3k538","country_code":"AT","type":"company","lineage":["https://openalex.org/I4210097184"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Gerhard Backfried","raw_affiliation_strings":["SAIL LABS Technology, Vienna, Austria"],"affiliations":[{"raw_affiliation_string":"SAIL LABS Technology, Vienna, Austria","institution_ids":["https://openalex.org/I4210097184"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081588671","display_name":"Daniel Weinland","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":"Daniel Weinland","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"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023678916","display_name":"Vincenzo Croce","orcid":"https://orcid.org/0000-0001-5085-3755"},"institutions":[{"id":"https://openalex.org/I4210139705","display_name":"Ingegneria dei Sistemi (Italy)","ror":"https://ror.org/03spsm219","country_code":"IT","type":"company","lineage":["https://openalex.org/I4210139705"]},{"id":"https://openalex.org/I4210101866","display_name":"Informa (Italy)","ror":"https://ror.org/017c2y429","country_code":"IT","type":"company","lineage":["https://openalex.org/I4210101866","https://openalex.org/I4210154378"]},{"id":"https://openalex.org/I4210127672","display_name":"Engineering (Italy)","ror":"https://ror.org/045s9b323","country_code":"IT","type":"company","lineage":["https://openalex.org/I4210127672"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Vincenzo Croce","raw_affiliation_strings":["Engineering - Ingegneria Informatica SpA R&amp;D Lab, Rome, Italy"],"affiliations":[{"raw_affiliation_string":"Engineering - Ingegneria Informatica SpA R&amp;D Lab, Rome, Italy","institution_ids":["https://openalex.org/I4210139705","https://openalex.org/I4210127672","https://openalex.org/I4210101866"]}]}],"institutions":[],"countries_distinct_count":8,"institutions_distinct_count":15,"corresponding_author_ids":["https://openalex.org/A5028101938"],"corresponding_institution_ids":["https://openalex.org/I93860229"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"841","last_page":"841"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":null,"topics":[],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5204156041145325}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5204156041145325}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1571941.1572161","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1571941.1572161","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":1,"referenced_works":["https://openalex.org/W200190827"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626","https://openalex.org/W2350741829","https://openalex.org/W2530322880","https://openalex.org/W1596801655"],"abstract_inverted_index":null,"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2016-06-24T00:00:00"}
