{"id":"https://openalex.org/W2088682925","doi":"https://doi.org/10.1137/0201018","title":"Analysis of Scanning Policies for Reducing Disk Seek Times","display_name":"Analysis of Scanning Policies for Reducing Disk Seek Times","publication_year":1972,"publication_date":"1972-09-01","ids":{"openalex":"https://openalex.org/W2088682925","doi":"https://doi.org/10.1137/0201018","mag":"2088682925"},"language":"en","primary_location":{"id":"doi:10.1137/0201018","is_oa":false,"landing_page_url":"https://doi.org/10.1137/0201018","pdf_url":null,"source":{"id":"https://openalex.org/S153560523","display_name":"SIAM Journal on Computing","issn_l":"0097-5397","issn":["0097-5397","1095-7111"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Computing","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/A5039429112","display_name":"E. G. Coffman","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"E. G. Coffman","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069691652","display_name":"Lawrence A. Klimko","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L. A. Klimko","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5039185827","display_name":"Barbara F. Ryan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Barbara Ryan","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5039429112"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.9232,"has_fulltext":false,"cited_by_count":60,"citation_normalized_percentile":{"value":0.9333611,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"1","issue":"3","first_page":"269","last_page":"279"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.9983000159263611,"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9983000159263611,"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/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9399999976158142,"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/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.9039999842643738,"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":0.6380112767219543},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.5730795860290527},{"id":"https://openalex.org/keywords/principal","display_name":"Principal (computer security)","score":0.4441574215888977},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3564000725746155},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.1667342185974121}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6380112767219543},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.5730795860290527},{"id":"https://openalex.org/C144559511","wikidata":"https://www.wikidata.org/wiki/Q2986279","display_name":"Principal (computer security)","level":2,"score":0.4441574215888977},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3564000725746155},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.1667342185974121},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1137/0201018","is_oa":false,"landing_page_url":"https://doi.org/10.1137/0201018","pdf_url":null,"source":{"id":"https://openalex.org/S153560523","display_name":"SIAM Journal on Computing","issn_l":"0097-5397","issn":["0097-5397","1095-7111"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Computing","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":2,"referenced_works":["https://openalex.org/W2127904969","https://openalex.org/W2142449297"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W1585007175","https://openalex.org/W2382521049","https://openalex.org/W2390279801","https://openalex.org/W2144385241","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890"],"abstract_inverted_index":{"A":[0],"number":[1],"of":[2,37],"recent":[3],"studies":[4],"have":[5,22],"examined":[6],"techniques":[7],"for":[8,52],"sequencing":[9],"disk":[10,41],"accesses":[11],"to":[12],"minimize":[13],"or":[14],"reduce":[15],"seek":[16],"times.":[17],"The":[18],"principal":[19],"methods":[20],"proposed":[21],"been":[23],"called":[24],"scanning":[25,47],"policies.":[26],"In":[27],"this":[28],"paper":[29],"we":[30],"formulate":[31],"and":[32,57],"analyze":[33],"simple":[34],"mathematical":[35],"models":[36],"head":[38],"motion":[39],"in":[40,43],"systems":[42],"which":[44],"two":[45],"different":[46],"policies":[48],"are":[49,55,62],"implemented.":[50],"Expressions":[51],"response":[53],"times":[54],"derived,":[56],"the":[58],"properties":[59],"they":[60],"imply":[61],"discussed.":[63]},"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}