{"id":"https://openalex.org/W2239115242","doi":"https://doi.org/10.17487/rfc5463","title":"Sieve Email Filtering: Ihave Extension","display_name":"Sieve Email Filtering: Ihave Extension","publication_year":2009,"publication_date":"2009-03-01","ids":{"openalex":"https://openalex.org/W2239115242","doi":"https://doi.org/10.17487/rfc5463","mag":"2239115242"},"language":"en","primary_location":{"id":"doi:10.17487/rfc5463","is_oa":false,"landing_page_url":"https://doi.org/10.17487/rfc5463","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"report"},"type":"report","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/A5056252405","display_name":"N. Freed","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"N. Freed","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5056252405"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"5463","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12031","display_name":"Speech and dialogue systems","score":0.8600999712944031,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T12031","display_name":"Speech and dialogue systems","score":0.8600999712944031,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T12203","display_name":"Mobile Agent-Based Network Management","score":0.8422999978065491,"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/T12607","display_name":"Personal Information Management and User Behavior","score":0.8148000240325928,"subfield":{"id":"https://openalex.org/subfields/1802","display_name":"Information Systems and Management"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.8397361636161804},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7055087089538574},{"id":"https://openalex.org/keywords/scripting-language","display_name":"Scripting language","score":0.656839907169342},{"id":"https://openalex.org/keywords/sieve","display_name":"Sieve (category theory)","score":0.5588471293449402},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.4478349983692169},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21863597631454468},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.15324053168296814}],"concepts":[{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.8397361636161804},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7055087089538574},{"id":"https://openalex.org/C61423126","wikidata":"https://www.wikidata.org/wiki/Q187432","display_name":"Scripting language","level":2,"score":0.656839907169342},{"id":"https://openalex.org/C17732976","wikidata":"https://www.wikidata.org/wiki/Q7511782","display_name":"Sieve (category theory)","level":2,"score":0.5588471293449402},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.4478349983692169},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21863597631454468},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.15324053168296814}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.17487/rfc5463","is_oa":false,"landing_page_url":"https://doi.org/10.17487/rfc5463","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"report"},{"id":"mag:2239115242","is_oa":false,"landing_page_url":"https://tools.ietf.org/html/rfc5463.html","pdf_url":null,"source":{"id":"https://openalex.org/S4306528498","display_name":"RFC","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"RFC","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.5099999904632568,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3110637450","https://openalex.org/W2074735736","https://openalex.org/W2843163432","https://openalex.org/W2626157625","https://openalex.org/W2359946444","https://openalex.org/W297309721","https://openalex.org/W1521794012","https://openalex.org/W3022980119","https://openalex.org/W3173915471","https://openalex.org/W1558065798","https://openalex.org/W1974498811","https://openalex.org/W2819818387","https://openalex.org/W1684995750","https://openalex.org/W1537235601","https://openalex.org/W2073603361","https://openalex.org/W1523580394","https://openalex.org/W2147100344","https://openalex.org/W75908119","https://openalex.org/W2283561169","https://openalex.org/W2065000"],"abstract_inverted_index":{"This":[0],"document":[1],"describes":[2],"the":[3,7,57,60],"ihave":[4,12],"extension":[5,13],"to":[6,17,46],"Sieve":[8,25],"email\nfiltering":[9],"language.":[10],"The":[11],"provides":[14],"a":[15,40],"means":[16],"write\nscripts":[18],"that":[19],"can":[20],"take":[21],"advantage":[22],"of":[23,54,59],"optional":[24,32],"features":[26,33],"but":[27],"can\nstill":[28],"run":[29],"when":[30],"those":[31],"are":[34],"not":[35],"available.":[36],"The\nextension":[37],"also":[38],"defines":[39],"new":[41],"error":[42],"control":[43],"command":[44],"intended":[45],"be":[47],"used\nto":[48],"report":[49],"situations":[50],"where":[51],"no":[52],"combination":[53],"available":[55],"extensions\nsatisfies":[56],"needs":[58],"script.":[61]},"counts_by_year":[],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}