WO2005088498A1 - System and method for determining a profile of a user of a communication network - Google Patents
System and method for determining a profile of a user of a communication network Download PDFInfo
- Publication number
- WO2005088498A1 WO2005088498A1 PCT/IB2005/000813 IB2005000813W WO2005088498A1 WO 2005088498 A1 WO2005088498 A1 WO 2005088498A1 IB 2005000813 W IB2005000813 W IB 2005000813W WO 2005088498 A1 WO2005088498 A1 WO 2005088498A1
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- WIPO (PCT)
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- user
- site
- identified
- profile
- users
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/02—Marketing; Price estimation or determination; Fundraising
Definitions
- the invention relates to the field of performing studies of the behaviour of an Internet users or any other communication network users.
- 5 Internet service providers whether brokers, advertisers, e- commerce companies, publishers or more generally broadcasters of digital contents, would like to dynamically adapt the digital content they offer according to the profile of each Internet user in order to optimise efficiency. For example, they would like to be able to display advertising banners that0 are customized according to the profile of each Internet user that visits a site and be able to highlight the various products according to the type of Internet user.
- Document WO 02/33626 (published on April 25, 2002) describes a method that allows determining the profile of a given unknown Internet5 user.
- This method consists in determining in a probabilistic manner demographic attributes (marital status, age, gender, income, profession) of the Internet user mainly according to the URL address of the Internet pages he visits, the keywords he uses in his searches and the banners he selects.
- the method consists in determining, from a0 reference population that includes Internet users with known socio- demographic profiles, sets of discriminating URL addresses for a set of attributes, including for example, gender, marital status, or profession. These sets of URL addresses thus determined allow obtaining for each unknown Internet user a score associated to each attribute, this score being computed according to the URL address the Internet user has visited.
- This profiling method gives results in terms of the most common Internet populations, that is, the populations that present the most widespread attributes.
- this method is not well suited for determining the profiles of minority Internet users.
- the method proposed in document WO 02/33626 is based on URL addresses and does not allow determining reliable conclusions as regards to the socio-demographic profile of an Internet user.
- An objective of the invention is to provide a profiling method that leads to more accurate results than the methods of the prior art.
- the invention proposes a method for determining a profile of a user to be identified of a communications network, comprising the steps consisting in: - saving profile data regarding known network users into a database, these users being part of a reference population, the profile data regarding known users including a set of attributes values associated to each user, - for each site or part of a site of a set of sites of interest accessible via the network, determining, using processing means, a set of probabilities that represent the attribute values of the users that connect to the site or part of site, according to connection history of the users of the reference population to the site or the part of site, - determining, using processing means, a probability that the user to be identified has a given attribute, according to the probabilities associated to the sites or parts of sites of interest to which the user connected during a given time period, wherein the processing means determine the probability that the user to be identified has a given attribute as a combination of a decorrelated probability value that takes into account the probabilities associated to the sites or parts of sites of interest and
- the invention also refers a system for determining a profile of a user to be identified of a communication network ⁇ comprising a profiling server connected to the network and which includes processing means, wherein the processing means are adapted for determining a probability that a user to be identified has a given attribute, depending on the probabilities associated to said sites of interest to which the user has been connected during a given period of time.
- the processing means determine the probability that the user has a specific attribute as a combination of a decorrelated probability value that takes into account the probabilities associated to the sites of interest and a correlated probability value that takes into account average profile data relative to users that are part of a reference -population.
- the server is adapted to be connected to a database that contains profile data relative to known users of the network, these users being part of the reference population, the profile data relative to the known users including a set of attributes values associated to each user.
- the processing means are adapted for determining, for each site of a set of sites of interest accessible via the network, a set of probabilities that represent the attributes values of the users that connect to the site, according to the connection history of the users of the reference population to the site.
- This figure is a diagram that represents a profiling system according to the invention.
- the profiling system 100 is connected to a communication network 200 (such as the Internet) to which a set 300 of
- Web servers of interest 301 to 304 are connected. Each Web server hosts a site or digital content made available to the network 200 users (Internet users) by a service provider. In order to adapt the services they offer, service providers would like to know in real time the profile of the Internet users that visit their sites.
- the profiling system 100 includes a profiling server 101 , which includes processing means adapted for calculating the profile data regarding the Internet users that connect to the Web servers of interest 301 to 304.
- the profiling server 101 is connected to a database 102 that contains the data regarding the members of a reference population 400 of Internet users.
- the profiling server 101 is lined to a database 102 that contains the data relative to the members of a reference population 400 of Internet users.
- the reference Internet users population 400 groups voluntary Internet users that agree to provide profile data about themselves.
- These Internet users are recruited, for example, by telephone or directly on-line over the Internet, depending on the socio-demographic criteria considered as representative of an overall population (for example, the population of Internet users in a country), or randomly.
- Sensor software and/or a cookie is/are installed on the computer 401 or the navigation station of each member of the Internet user reference population.
- the recruited members can be subjected to a selection process or processing operation in order to create a population that can be considered representative.
- the cookie contains data that identifies the Internet user.
- the purpose of the sensor software is to record the navigation of the Internet user; that is, the various sites or parts of sites that he visited over time.
- the sensor software regularly transmits information regarding the navigation history of the members of the reference population to the profiling server via the network 200.
- the profiling server 101 records information it receives from the software into the database 102. Information collection can also be performed using markers placed on the pages of the sites of interest as described below. Depending on the different Web sites visited by the members of the reference population, the profiling server 101 is adapted for statistically determine the profile of Internet users that connect to a specific site of interest 301 to 304.
- the profile of an Internet user is composed of a series of attribute values associated to this Internet user. Attributes are data elements associated to each Internet user that are of interest to service providers. These attributes relate to, for example, the gender, age, and socio- professional category of the Internet user.
- the profiling server 101 determines profile ij of a given Internet user i as a sequence that includes N attribute values p tj , p tj being the probability that Internet user i has attribute j.
- the profile of an Internet user i is given:
- the profiling server 101 also determines profile P s of a given Web site of interest as a sequence that also includes N attribute values p sj ,- p sj being the probability that an Internet user that visits the site s has attribute j-
- the value p sj of attribute j is the average of values p tj associated to the Internet users of the reference population that visit the site s.
- the profiling server 101 determines and returns data containing the profile of said Internet user to the Web server 601. This profile is determined according to the connection history of Internet user 501 on the Web servers of interest 301 to 304 by comparing this history with the history of the members of the reference population 400.
- the Web servers 301 to 304 host sites in which some pages are marked by page markers. These markers reside on the profiling server 101 so that when Internet user 501 accesses a Web page thus marked, the downloading of the marker triggers the transmission of a request to the profiling server 101. This request indicates to the profiling server 101 that the Internet user has loaded a specific Web page.
- the profiling server 101 When Internet user 501 successively connects to a series of Web sites, he/she triggers the successive transmission of requests to the profiling server 101. These requests are interpreted by the profiling server as navigation data. This data is recorded by the profiling server 101 into a database 102 and constitutes the navigation history of the Internet user to be identified. From this history, the profiling server 101 can determine a statistical profile of the Internet user to be identified 501 by comparing it with the data related to Internet users of the reference population 400. For this purpose, the profiling server 101 determines a first statistical profile M ⁇ of the Internet user 501 according to an initial calculation method called "decorrelated". This method depends solely on the set of sites s that Internet user 501 has visited and therefore on the probabilities associated to each attribute for the visited sites.
- n s is the number of times the Internet user has visited site s during a specific period of time (for example in the last two months)
- e is the Euler number
- the profiling server 101 also determines a second statistical profile M 2 of the Internet user 501 , according to a second calculation method called "correlated". This method takes into account the average profile G of the
- the second statistical profile is defined by:
- the first calculation method called “decorrelated” favours the prediction of attribute values that conform to those that are associated to the majority members of the reference population 400
- the second calculation method called “correlated” favours the prediction of attribute values that conform to those that are associated to the minority members of the reference population 400.
- the profiling server 101 calculates a combined statistical profile 3 of Internet user 501 obtained, like the combination of the M ⁇ profile, according to the decorrelated probability calculation and the M2 profile obtained according to the correlated probability calculation.
- the linear combination parameters ⁇ • can be determined in an empirical manner by applying the probability calculation to the members of the reference population 400 in order to determine the combination rate to be applied between the correlated approach and the decorrelated approach. These combination parameters are updated on a regular basis in order to take into account the progress of the reference population.
- the profiling server 101 can determine a new average profile G 3 in the following manner:
- the profiling server 101 can convert the probability profile M 3 of the Internet user 501 into a "determined" profile I.
- the conversion into a determined profile will be performed or not depending on whether the error generated by this conversion is less than or not less than an acceptable prediction error for each attribute.
- the acceptable prediction error is fixed in collaboration with the service providers of each of the sites to which the profiling results are to be sent. The following can be noted: N , the number of sites or parts of a site visited by an Internet user i and recorded by the profiling server 101 during a predetermined period of time (for example the last two months), ej , the error generated (in a percentages) when the profiling server
- the profiling server 101 predicts that an Internet user has attribute j, i j , the maximum acceptable error (in a percentage) when the profiling server 101 predicts that an Internet user has attribute j, P j , the minimum probability threshold associated to attribute j necessary to predict that the Internet user presents attribute j so that the prediction error e y - is less than e 7 - , this minimum probability threshold depends on the number of sites or parts of a site N visited by an Internet user. Based on the known Internet users of the reference population 400 that have performed a given number of visits N , the profiling server 101 determines, for each attribute j, the probability threshold j below which the prediction error ⁇ j is less than e - . It performs this calculation for each
- Z of attributes ; ' This predetermined order is chosen according to the commercial importance of each attribute for a specific service provider.
- the Web server 101 can keep the data relative to the profile of the Internet server in memory or store it in a cookie that it installs in the Internet user's navigator. Thus, the profile of the Internet user 501 will be immediately available to the Web server 501 for the subsequent visits made by the Internet user over a specific period of time (for example, for a period of three weeks.)
- the data contained in the database 102 relative to the reference population 400 is updated regularly as the population evolves.
- the data relative to the various sites are also updated according to the members of the reference population.
- the profiling server 101 is also adapted to generate a record on the connections to a site of particular interest. This record can be accessed online by the site's service provider using the server 101.
- the record indicates, for example, the number of Internet users that have visited the site over a specific period of time and presents the profile of these Internet users in a statistical manner.
- the record can also include the prediction error rate associated to the presented profile data.
- the profiling system 100 and the Web server 601 are not located on the same Internet domain. In this case, the Web server 601 does not have access to the Internet user 501 profile.
- the server 601 asks the Internet user's 501 navigator to send an identification request to the profiling server 101. This way, it is the Internet user's 501 navigator that transmits an identification request to the profiling server 101 , and not the server 601.
- Such a request can be performed in a blocking manner; the Internet user 501 does not access the site until the server 601 has obtained the data containing his/her profile.
- the server 601 forwards the Internet user to be identified 501 to the profiling server 101.
- the profiling server 101 determines the data relative to the Internet user 501 profile, and for this purpose it determines a profile D for this Internet user, or extracts this profile from the database 102. Then, the profiling server 101 forwards the Internet user 501 to the URL address of the initially requested server 601. This time, the Internet user request is enriched with data relative to the profile of the Internet user.
- this request can be performed in a non-blocking manner; for example, through an invisible image.
- the profiling server 101 records into the database 102 a data element that indicates that it has sent the profile D of a specific Internet user to the server 601. If it turns out that this Internet user is part of the reference population 400, then the profiling server 101 verifies the quality of the profile D that it has determined; that is, it compares the profile D that it has determined with the declared profile of the Internet user. If there is a difference between the profile D and the declared profile, the profiling server 101 can send the declared profile of the Internet user to the server of interest 301.
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Abstract
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05708794A EP1723586A1 (en) | 2004-03-10 | 2005-03-10 | System and method for determining a profile of a user of a communication network |
BRPI0508634-5A BRPI0508634A (en) | 2004-03-10 | 2005-03-10 | system and method for profiling a user of a communication network |
US10/592,347 US20070198937A1 (en) | 2004-03-10 | 2005-03-10 | Method for determining a profile of a user of a communication network |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0402476 | 2004-03-10 | ||
FR0402476A FR2867584B1 (en) | 2004-03-10 | 2004-03-10 | METHOD FOR DETERMINING A PROFILE OF A USER OF A COMMUNICATION NETWORK |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005088498A1 true WO2005088498A1 (en) | 2005-09-22 |
Family
ID=34896420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2005/000813 WO2005088498A1 (en) | 2004-03-10 | 2005-03-10 | System and method for determining a profile of a user of a communication network |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070198937A1 (en) |
EP (1) | EP1723586A1 (en) |
CN (1) | CN1954336A (en) |
BR (1) | BRPI0508634A (en) |
FR (1) | FR2867584B1 (en) |
WO (1) | WO2005088498A1 (en) |
Cited By (2)
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FR2935185A1 (en) * | 2008-08-22 | 2010-02-26 | Weborama | METHOD AND SYSTEM FOR DETERMINING A BEHAVIORAL INTERNET PROFILE |
CN103530312A (en) * | 2012-07-05 | 2014-01-22 | 国际商业机器公司 | User identification method and system using multifaceted footprints |
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US8073719B2 (en) * | 2006-06-30 | 2011-12-06 | Rearden Commerce, Inc. | System and method for core identity with personas across multiple domains with permissions on profile data based on rights of domain |
US8095402B2 (en) * | 2006-07-10 | 2012-01-10 | Rearden Commerce, Inc. | System and method for transferring a service policy between domains |
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- 2005-03-10 CN CNA2005800151015A patent/CN1954336A/en active Pending
- 2005-03-10 BR BRPI0508634-5A patent/BRPI0508634A/en not_active IP Right Cessation
- 2005-03-10 US US10/592,347 patent/US20070198937A1/en not_active Abandoned
- 2005-03-10 WO PCT/IB2005/000813 patent/WO2005088498A1/en active Application Filing
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Publication number | Priority date | Publication date | Assignee | Title |
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FR2935185A1 (en) * | 2008-08-22 | 2010-02-26 | Weborama | METHOD AND SYSTEM FOR DETERMINING A BEHAVIORAL INTERNET PROFILE |
EP2161683A1 (en) * | 2008-08-22 | 2010-03-10 | Weborama | Method and system for determining a behavioural profile of Internet users |
CN103530312A (en) * | 2012-07-05 | 2014-01-22 | 国际商业机器公司 | User identification method and system using multifaceted footprints |
Also Published As
Publication number | Publication date |
---|---|
US20070198937A1 (en) | 2007-08-23 |
FR2867584B1 (en) | 2006-06-09 |
CN1954336A (en) | 2007-04-25 |
BRPI0508634A (en) | 2007-09-04 |
EP1723586A1 (en) | 2006-11-22 |
FR2867584A1 (en) | 2005-09-16 |
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