{"id":"https://openalex.org/W4245221723","doi":"https://doi.org/10.1142/s0129054108006030","title":"PREFACE","display_name":"PREFACE","publication_year":2008,"publication_date":"2008-08-01","ids":{"openalex":"https://openalex.org/W4245221723","doi":"https://doi.org/10.1142/s0129054108006030"},"language":"en","primary_location":{"id":"doi:10.1142/s0129054108006030","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0129054108006030","pdf_url":null,"source":{"id":"https://openalex.org/S68047077","display_name":"International Journal of Foundations of Computer Science","issn_l":"0129-0541","issn":["0129-0541","1793-6373"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Foundations of Computer Science","raw_type":"journal-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/A5033873634","display_name":"Vesa Halava","orcid":"https://orcid.org/0000-0003-3633-4902"},"institutions":[{"id":"https://openalex.org/I155660961","display_name":"University of Turku","ror":"https://ror.org/05vghhr25","country_code":"FI","type":"education","lineage":["https://openalex.org/I155660961"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"VESA HALAVA","raw_affiliation_strings":["Department of Mathematics, University of Turku, Turku, FIN-20014, Finland"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, University of Turku, Turku, FIN-20014, Finland","institution_ids":["https://openalex.org/I155660961"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068817562","display_name":"Igor Potapov","orcid":"https://orcid.org/0000-0002-7192-7853"},"institutions":[{"id":"https://openalex.org/I146655781","display_name":"University of Liverpool","ror":"https://ror.org/04xs57h96","country_code":"GB","type":"education","lineage":["https://openalex.org/I146655781"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"IGOR POTAPOV","raw_affiliation_strings":["Computer Science Department, University of Liverpool, Ashton Building, Ashton Street, Liverpool, L69 3BX, UK"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Liverpool, Ashton Building, Ashton Street, Liverpool, L69 3BX, UK","institution_ids":["https://openalex.org/I146655781"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5033873634"],"corresponding_institution_ids":["https://openalex.org/I155660961"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.40872812,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"19","issue":"04","first_page":"915","last_page":"917"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","score":0.974399983882904,"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/T12288","display_name":"Optimization and Search Problems","score":0.974399983882904,"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/library-science","display_name":"Library science","score":0.6464052796363831},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5133959054946899},{"id":"https://openalex.org/keywords/download","display_name":"Download","score":0.47473034262657166},{"id":"https://openalex.org/keywords/reachability","display_name":"Reachability","score":0.4721004366874695},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.20386460423469543},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.12590625882148743}],"concepts":[{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.6464052796363831},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5133959054946899},{"id":"https://openalex.org/C2780154274","wikidata":"https://www.wikidata.org/wiki/Q7126717","display_name":"Download","level":2,"score":0.47473034262657166},{"id":"https://openalex.org/C136643341","wikidata":"https://www.wikidata.org/wiki/Q1361526","display_name":"Reachability","level":2,"score":0.4721004366874695},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.20386460423469543},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.12590625882148743}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0129054108006030","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0129054108006030","pdf_url":null,"source":{"id":"https://openalex.org/S68047077","display_name":"International Journal of Foundations of Computer Science","issn_l":"0129-0541","issn":["0129-0541","1793-6373"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Foundations of Computer Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W381935118","https://openalex.org/W2368796975","https://openalex.org/W1486100501","https://openalex.org/W2786605369","https://openalex.org/W3006118393","https://openalex.org/W1501233076","https://openalex.org/W4247047556","https://openalex.org/W136900201","https://openalex.org/W4249404856","https://openalex.org/W4255510594"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2022-05-12T00:00:00"}
