{"id":"https://openalex.org/W2020625618","doi":"https://doi.org/10.1109/tit.1971.1054653","title":"Simple data compression by redundancy replacement (Corresp.)","display_name":"Simple data compression by redundancy replacement (Corresp.)","publication_year":1971,"publication_date":"1971-07-01","ids":{"openalex":"https://openalex.org/W2020625618","doi":"https://doi.org/10.1109/tit.1971.1054653","mag":"2020625618"},"language":"en","primary_location":{"id":"doi:10.1109/tit.1971.1054653","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.1971.1054653","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Information Theory","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/A5066992654","display_name":"Estelle Wallingford","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"E. Wallingford","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014494469","display_name":"I. Alleslev","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"I. Alleslev","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087377773","display_name":"J.P. Wilson","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. Wilson","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5022136472","display_name":"W. Henry","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"W. Henry","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.11123962,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"17","issue":"4","first_page":"500","last_page":"503"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11269","display_name":"Algorithms and Data Compression","score":0.9919999837875366,"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/T11269","display_name":"Algorithms and Data Compression","score":0.9919999837875366,"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.98580002784729,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9835000038146973,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/redundancy","display_name":"Redundancy (engineering)","score":0.6115337610244751},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5759404301643372},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.38190189003944397},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.36071157455444336},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3433421850204468}],"concepts":[{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.6115337610244751},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5759404301643372},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.38190189003944397},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.36071157455444336},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3433421850204468},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tit.1971.1054653","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.1971.1054653","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Information Theory","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1995875735","https://openalex.org/W2032749690","https://openalex.org/W2129151737","https://openalex.org/W2139631957","https://openalex.org/W2872312229"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2051487156","https://openalex.org/W2073681303","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/W4391913857"],"abstract_inverted_index":{"A":[0],"redundancy":[1],"replacement":[2],"system":[3,58],"is":[4,31,59,79],"described.":[5],"Whenevermbits":[6],"of":[7,52,77],"ann-bit":[8],"word":[9,35],"are":[10,21],"identical":[11],"with":[12,45],"corresponding":[13],"bits":[14,20,43],"in":[15],"the":[16,38,67],"preceding":[17],"word,":[18],"these":[19],"replaced":[22],"bymbits":[23],"from":[24],"a":[25,62],"second":[26],"source.":[27],"An":[28,73],"extra":[29,50],"bit":[30],"added":[32],"to":[33,36],"each":[34],"signal":[37],"substitution.":[39],"If":[40],"words":[41],"withmredundant":[42],"occur":[44],"probabilityP(m),":[46],"one":[47],"gains":[48],"an":[49],"channel":[51],"average":[53],"capacitymP(m)":[54],"--":[55],"1.":[56],"The":[57],"analyzed":[60],"as":[61],"data":[63,75],"compressor":[64],"that":[65],"enhances":[66],"source":[68],"entropy":[69],"by":[70],"replacing":[71],"redundancies.":[72],"effective":[74],"compression":[76],"2.11":[78],"obtained":[80],"for":[81],"typical":[82],"voice":[83],"sources.":[84]},"counts_by_year":[],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}