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WO2002042959A8 - Television program recommender with interval-based profiles for determining time-varying conditional probabilities - Google Patents

Television program recommender with interval-based profiles for determining time-varying conditional probabilities

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Publication number
WO2002042959A8
WO2002042959A8PCT/EP2001/013418EP0113418WWO0242959A8WO 2002042959 A8WO2002042959 A8WO 2002042959A8EP 0113418 WEP0113418 WEP 0113418WWO 0242959 A8WO0242959 A8WO 0242959A8
Authority
WO
WIPO (PCT)
Prior art keywords
viewing
television program
characteristic
changes
preferences
Prior art date
Application number
PCT/EP2001/013418
Other languages
French (fr)
Other versions
WO2002042959A2 (en
Inventor
James D Schaffer
Original Assignee
Koninkl Philips Electronics Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Electronics NvfiledCriticalKoninkl Philips Electronics Nv
Priority to KR1020027009369ApriorityCriticalpatent/KR20020070496A/en
Priority to EP01991738Aprioritypatent/EP1340179A2/en
Priority to JP2002545412Aprioritypatent/JP2004515145A/en
Publication of WO2002042959A2publicationCriticalpatent/WO2002042959A2/en
Publication of WO2002042959A8publicationCriticalpatent/WO2002042959A8/en

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Abstract

Translated fromEnglish

La présente invention concerne un procédé et un appareil permettant de produire des recommandations de programme de télévision, sur la base d'un historique de visionnement à fenêtre temporelle d'un téléspectateur. Des changements des préférences de visionnement sont automatiquement identifiés. Le profil d'historique de visionnement est maintenu sous forme d'une série de fenêtres d'historique de visionnement. La longueur de chaque fenêtre de visionnement individuelle et la longueur totale de l'historique de visionnement complet lui-même (c'est-à-dire le nombre de telles fenêtres de visionnement plus petites) peuvent être fixes ou variables. Des caractéristiques peu importantes ou non récurrentes, qui peuvent être supprimées du profil du téléspectateur sans que des informations importantes ne soient perdues, sont également identifiées. Une caractéristique peut être supprimée du profil du téléspectateur lorsque la fréquence correspondant à cette caractéristique ne dépasse pas un seuil minimum pendant une période de temps prédéfinie. Le système de recommandation de programme de télévision selon cette invention adapte les recommandations de programme de télévision produites aux changements des préférences de visionnement. La probabilité conditionnelle d'une caractéristique (la probabilité que des programmes d'une classe connue, telle que la classe des programmes regardés, présentent ladite caractéristique) est calculée en fonction du temps. Pour des changements cycliques ou périodiques des préférences de visionnement, le système de recommandation de programme de télévision selon cette invention règle la probabilité conditionnelle d'un attribut de façon qu'il reflète plus précisément un ou plusieurs cycles ou périodes précédents identiques. Pour des tendances ou des changements permanents des préférences de visionnement, le système de recommandation de programme de télévision produit des recommandations de programme de télévision en utilisant la/les fenêtre(s) la/les plus récente(s) de l'historique de visionnement, qui est/sont le/les plus susceptibles de représenter la tendance (préférences de visionnement actuelles) ou extrapole une valeur à partir de la tendance identifiée.The present invention relates to a method and apparatus for producing television program recommendations, based on a time window viewing history of a viewer. Changes in viewing preferences are automatically identified. The viewing history profile is maintained as a series of viewing history windows. The length of each individual viewing window and the total length of the entire viewing history itself (i.e., the number of such smaller viewing windows) can be fixed or variable. Unimportant or non-recurring characteristics, which can be deleted from the viewer's profile without losing important information, are also identified. A characteristic can be deleted from the viewer's profile when the frequency corresponding to this characteristic does not exceed a minimum threshold for a predefined period of time. The television program recommendation system according to this invention adapts the television program recommendations produced to changes in viewing preferences. The conditional probability of a characteristic (the probability that programs of a known class, such as the class of the programs watched, exhibit said characteristic) is calculated as a function of time. For cyclic or periodic changes in viewing preferences, the television program recommendation system according to this invention adjusts the conditional probability of an attribute so that it more accurately reflects one or more identical previous cycles or periods. For trends or permanent changes in viewing preferences, the TV program recommendation system produces TV program recommendations using the most recent viewing history window (s) , which is / are the most likely to represent the trend (current viewing preferences) or extrapolates a value from the identified trend.

PCT/EP2001/0134182000-11-222001-11-16Television program recommender with interval-based profiles for determining time-varying conditional probabilitiesWO2002042959A2 (en)

Priority Applications (3)

Application NumberPriority DateFiling DateTitle
KR1020027009369AKR20020070496A (en)2000-11-222001-11-16Television program recommender with interval-based profiles for determining time-varying conditional probabilities
EP01991738AEP1340179A2 (en)2000-11-222001-11-16Television program recommender with interval-based profiles for determining time-varying conditional probabilities
JP2002545412AJP2004515145A (en)2000-11-222001-11-16 A TV program recommender that uses time-based profiles to determine time-varying conditional probabilities

Applications Claiming Priority (2)

Application NumberPriority DateFiling DateTitle
US71825600A2000-11-222000-11-22
US09/718,2562000-11-22

Publications (2)

Publication NumberPublication Date
WO2002042959A2 WO2002042959A2 (en)2002-05-30
WO2002042959A8true WO2002042959A8 (en)2002-07-25

Family

ID=24885404

Family Applications (1)

Application NumberTitlePriority DateFiling Date
PCT/EP2001/013418WO2002042959A2 (en)2000-11-222001-11-16Television program recommender with interval-based profiles for determining time-varying conditional probabilities

Country Status (5)

CountryLink
EP (1)EP1340179A2 (en)
JP (1)JP2004515145A (en)
KR (1)KR20020070496A (en)
CN (1)CN1606746A (en)
WO (1)WO2002042959A2 (en)

Cited By (2)

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US9015736B2 (en)2005-12-292015-04-21Rovi Guides, Inc.Systems and methods for episode tracking in an interactive media environment
US9264656B2 (en)2014-02-262016-02-16Rovi Guides, Inc.Systems and methods for managing storage space

Families Citing this family (26)

* Cited by examiner, † Cited by third party
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US20040003391A1 (en)*2002-06-272004-01-01Koninklijke Philips Electronics N.V.Method, system and program product for locally analyzing viewing behavior
JP2004206679A (en)*2002-12-122004-07-22Sony CorpInformation processing device and method, recording medium and program
CN1635498A (en)2003-12-292005-07-06皇家飞利浦电子股份有限公司 A content recommendation method and system
KR100597399B1 (en)*2004-01-122006-07-06삼성전자주식회사 Device and management method to manage user's favorite channel dynamically
JP4270037B2 (en)2004-06-162009-05-27ソニー株式会社 Information processing apparatus, information processing method, and computer program
KR100663491B1 (en)2005-03-042007-01-02삼성전자주식회사Device and method for processing multimedia broadcasting-related event in wireless terminal
JP2006285383A (en)*2005-03-312006-10-19Nec CorpTrend information report system and trend information report method
EP3169062B1 (en)*2005-12-292019-08-14Rovi Guides, Inc.Systems and methods for episode tracking in an interactive media environment
JP4730619B2 (en)*2007-03-022011-07-20ソニー株式会社 Information processing apparatus and method, and program
US8474002B2 (en)2007-10-312013-06-25Cisco Technology, Inc.Method and system for adaptive disk management
US8694396B1 (en)2007-12-262014-04-08Rovi Guides, Inc.Systems and methods for episodic advertisement tracking
CN101383942B (en)*2008-08-012010-06-09深圳市天威视讯股份有限公司Hidden customer characteristic extracting method and television program recommendation method and system
JP5322550B2 (en)*2008-09-182013-10-23三菱電機株式会社 Program recommendation device
KR101802332B1 (en)2010-11-252017-12-29삼성전자주식회사Method for providing contents and the system thereof
US8863166B2 (en)*2011-04-062014-10-14Rentrak CorporationMethod and system for detecting non-powered video playback devices
CN102957969A (en)*2012-05-182013-03-06华东师范大学Device and method for recommending program to IPTV (Internet protocol television) terminal user
US20140100952A1 (en)*2012-10-042014-04-10Palo Alto Research Center IncorporatedMethod and apparatus for optimizing message delivery in recommender systems
CN103647800B (en)*2013-11-192017-12-12乐视致新电子科技（天津）有限公司Recommend the method and system of application resource
CN103686236A (en)*2013-11-192014-03-26乐视致新电子科技（天津）有限公司 Method and system for recommending video resources
CN103888810B (en)*2014-03-192017-11-07深圳市九洲电器有限公司A kind of TV programme arrangement method and system
CN103957434B (en)*2014-04-032017-05-10三星电子（中国）研发中心Method and device for recommending programs
CN104506892B (en)*2014-12-112018-02-23北京国双科技有限公司Data adjustment method and device
CN104462560B (en)*2014-12-252018-01-05广东电子工业研究院有限公司A kind of recommendation method of personalized recommendation system
CN106412700A (en)*2016-10-262017-02-15四川长虹电器股份有限公司Intelligent television power-on channel recommendation method
CN114827728B (en)*2022-06-232022-09-13中国传媒大学Program data recommendation method and system
US11985385B1 (en)2023-02-092024-05-14Roku, Inc.Dynamic control of media-content presentation based on user presence and/or user profile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US9015736B2 (en)2005-12-292015-04-21Rovi Guides, Inc.Systems and methods for episode tracking in an interactive media environment
US9264656B2 (en)2014-02-262016-02-16Rovi Guides, Inc.Systems and methods for managing storage space

Also Published As

Publication numberPublication date
KR20020070496A (en)2002-09-09
CN1606746A (en)2005-04-13
EP1340179A2 (en)2003-09-03
JP2004515145A (en)2004-05-20
WO2002042959A2 (en)2002-05-30

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