KR101632142B1 - System and method for providing contents using benefit logic for high quality contents - Google Patents

Abstract

Disclosed are a system and a method for providing content using benefit logic for high quality content. The method for providing content of a system for providing content realized by a computer comprises: a step of calculating a quality index during a unit time in a bid for exposure of content; a step of setting a quality override value based on the quality index; a step of using the set quality override value to reset a required exposure amount of the content during the unit time; and a step of providing the content based on the required exposure amount.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system and a method for providing contents using benefit logic for high-

Embodiments of the present invention are directed to a system and method for providing content using benefit logic for high quality content.

There are providers who want to expose their content through the medium. Since there are a large number of providers who are willing to expose content through the media, there are a relatively large number of providers who are willing to expose the content. do.

For example, bidding is a selection method that provides an opportunity to expose content to media through a competition between providers. However, even when the providers are selected using the same selection method of bidding, the aggressiveness of the providers varies depending on the content exposure method and the type of contents.

For example, when a user of a medium inputs a keyword, a method of exposing content corresponding to the input keyword to users exists. In this way, the providers actively participate in the bidding in that they can expose content suitable for the users' needs. For example, the providers constantly adjust their bids in the bidding process for a predetermined period (for example, five minutes) to expose their contents in a desired order.

On the other hand, there is a method of exposing contents such as text, image, and moving picture through a predetermined space of the medium. This approach allows the providers to participate in a bid in passive form in that they expose the content by a predetermined number of impressions through a predetermined space. For example, once awarded providers tend to avoid efforts to actively adjust their bids steadily, since exposure of content is guaranteed by a predetermined number of impressions.

On the other hand, these contents are intended to obtain a response according to the exposure of contents from the users of the medium. For example, the moving picture contents may be reproduced in accordance with the reproduction request of the users, and may be aimed at the response of the users watching the moving picture to be reproduced. At this time, the content having a large number of desired responses to the number of impressions can be evaluated as having a relatively good quality of the content. High quality content can better satisfy the needs of users in terms of media, and the revenue from exposure of content is relatively higher because of the high number of responses.

Thus, from a media standpoint, there is a need to provide benefits to providers that provide high quality content, thereby inducing providers to provide better quality content. For example, Korean Patent Laid-Open No. 10-2008-0089616 discloses a configuration for calculating a quality score by using a probability that a content is a quality of a predetermined criterion, and filtering the content using a quality score and a click rate.

Provided is a content providing system and method that can solve a need to minimize change of a bid amount of content providers and can provide high quality content.

A method of processing big data in a computer-implemented processing system, the method comprising: generating a dictionary of column-by-column data; Arranging data included in the dictionary according to a value of data; Classifying the sorted data into at least one data block for each dictionary according to the size of the data; And generating, for each dictionary, an index including the values of the first data for each of the data blocks according to the order of the data blocks.

A processing system for processing big data by being implemented by a computer, the processing system comprising: a dictionary generating unit for generating a dictionary in a column unit of the big data; A data sorting unit for sorting the data included in the dictionary according to a value of data; A data classifying unit classifying the sorted data into at least one data block according to a size of data; And an index generator for generating, for each dictionary, an index including the values of the first data for each of the data blocks according to the order of the data blocks.

It is possible to solve the need to minimize the change of the bid amount of the content providers and induce the provision of the high quality content, thereby increasing the exposure ratio of the high quality content.

1 is a diagram for explaining an example of an operation environment of a content providing system according to an embodiment of the present invention.
2 is a block diagram illustrating an internal configuration of a content providing system according to an embodiment of the present invention.
3 is a flowchart illustrating a content providing method according to an exemplary embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram for explaining an example of an operation environment of a content providing system according to an embodiment of the present invention.

1 is a diagram schematically illustrating a relationship between an advertiser, an advertisement platform, a publisher, and a user in an embodiment of the present invention. 1 shows a user 110, a medium 120, a content platform 130, and a provider 140. As shown in FIG. Herein, the user 110 may mean a terminal device such as a PC (personal computer), a smart phone, etc., which the user 110 actually uses, and the medium 120 and the content platform 130 may each be one or more server devices And the provider 140 may refer to a device of the provider 140. [ At this time, the device of the provider 140 may be a server device or a terminal device. For example, the arrows shown in FIG. 1 indicate that data is exchanged between a terminal device used by a user 110, a server device of the medium 120, a server device of the content platform 130, and a provider 140 using a wired / wireless network Lt; RTI ID = 0.0 > and / or < / RTI >

The content platform 130 can perform bidding on the contents of the provider 140, matching between contents and keywords, sorting of contents or providers 140, transmission of contents to the medium 120, have. For example, with respect to the general and technical matters of the content platform 130, the matters that can be understood with reference to the prior art relating to the search advertisement and / or the banner advertisement transmitted through the Internet are not described.

The term "medium" herein may be used interchangeably with the terms "publisher" or "site ". However, the explanations using the terms "publisher" and "site" do not exclude the possibility of implementing the present invention in an environment other than a general PC web site connection such as an application screen executed in a mobile terminal. Conversely, the term "site" may be used interchangeably with the term publishing site or the publisher or medium described above. In other words, each site can correspond to an individual publisher or individual medium. Here, the term "site" may include all kinds of web sites that can expose various types of contents including advertisements and can be provided to the user 110 through a wired / wireless network, It may also refer to a web page.

Also, the "exposure" of the content may include content such as text, images, etc., sound, video, hyperlinks, etc. associated with the provider 140 being provided to the user 110 of the site through the site (publisher or medium) Can be interpreted. In addition, the "selection" for the exposed content causes a situation in which the user 110 is trying to achieve through the delivery of the contents by causing the provider 140 to respond to the contents such as text and images, . ≪ / RTI > Here, the situation that the provider 140 derives may include, for example, a situation of exposing the page associated with the provider 140 to the user 110 who selected the content, or a situation of reproducing the moving image content.

The medium 120 can provide its own site to the user 110, provide the pages included in the site through the site, or provide the user 110 with search results for the keyword through the entered keyword . At this time, the medium 120 may receive the contents for exposing through the pages from the content platform 130, and may provide the content to the user 110. The medium 120 may transmit the keyword inputted by the user 110 to the content platform 130 and may receive the content of the keyword from the content platform 130 and provide the content to the user 110 as a search result have. In addition, the medium 120 can receive the content of the moving image or the banner type from the content platform 130 through various logic and provide it to the user 110 through the site.

The medium 120 may provide a path (screen) in which the user 110 directly receives contents, and the contents may be provided through a web site in a general online environment. Each of the plurality of individual content platforms (the first content platform, the second content platform, ...) included in the content platform 130 includes a plurality of individual media (a first medium, a second medium, The second medium, ..., etc.). In addition, each of the plurality of individual media includes at least one of a variety of services that can be provided through a wired / wireless network such as integrated search, keyword search, blog service, etc., including exposure of the content through at least one site to the user 110 . ≪ / RTI >

At this time, the content providing system according to the embodiments of the present invention may be a system included in one of the individual content platforms. The medium 120 and the content platform 130 may be implemented as a single system. In this case, the content providing system may be a system included in one system including the medium 120 and the content platform 130.

Table 1 below shows the method of providing the winning bid probability according to the current ranking.

Date time discrimination
number need
Dose Average
ranking Average BA Average QI VTR SCORE over
Ride 2014.11.12 05: 20 ~ 05: 25 One 8 One 75 0.16 17% 12.0 5% 2014.11.12 05: 20 ~ 05: 25 2 48 2 40 0.16 16% 6.4 5% 2014.11.12 05: 20 ~ 05: 25 3 52 3 50 0.1 9.97% 5.0 5% 2014.11.12 05: 20 ~ 05: 25 4 50 4 50 0.1 10.41% 5.0 5% 2014.11.12 05: 20 ~ 05: 25 5 52 5 50 0.1 10.98% 5.0 5% 2014.11.12 05: 20 ~ 05: 25 6 53 6 50 0.1 8.41% 5.0 5% 2014.11.12 05: 20 ~ 05: 25 7 28 7 30 0.15 15% 4.5 5% 2014.11.12 05: 20 ~ 05: 25 8 30 8 50 0.07 7% 3.5 5% 2014.11.12 05: 20 ~ 05: 25 9 28 9 30 0.1 11% 3.0 5% 2014.11.12 05: 20 ~ 05: 25 10 20 10 25 0.1 9% 2.5 5% 2014.11.12 05: 20 ~ 05: 25 11 14 11 15 0.1 11% 1.5 5%

Table 1 shows the winning bid and the distribution of the amount of bids for the 5-minute unit time of the bid. For example, when a plurality of bid bids are awarded to one content exposure area of the medium 120 as shown below, the traffic can be distributed at a winning probability from 1 to n (for example, 10). Here, the traffic may correspond to the access frequency of users to the corresponding content exposure area of the medium 120, and the access frequency may be distributed according to the winning bid probability. For example, the distribution of 34% of the traffic to the first provider means that when 100 users visit the corresponding content exposure area of the medium 120, the content provided by the first provider is exposed to 34 persons It can mean.

At this time, Table 1 shows that a common 5% override value is provided for all bids. The override may mean an amount of exposure that exposes the content for free through the medium 120. [ For example, content that is exposed 100 times can be scheduled to be exposed 105 times according to an override value of 5%.

These override values can be used for the purpose of preventing budget misalignment for content that is charged for per-impression. For example, override values can be used as buffer exposures to ensure that bidders who are consistently top-ranked and able to spend their budget can normally spend 100% of their budget.

The "BA" may refer to the maximum amount that the provider 140 is willing to pay in the event of a situation intended by the provider 140, such as a maximum click cost. For example, suppose that the provider 140 intends to provide the video content and the entire content of the video content is played back and BA is 80 won. At this time, the 'BA' 80 won is a rate at which the provider 110 pays a maximum of 80 won for the situation in which the user 110 plays the video content of the provider 140 through the medium 120 and watches the entire contents thereof It can be an indicator that there is a doctor.

The QI (Quality Index) may mean the quality index of the content. The higher the QI, the higher the quality of the content. For example, the quality index may be determined to be higher as the VTR (View Through Rate), which is a ratio of the number of times the user views the video content to the portion intended by the provider 140 with respect to the number of times of exposure of the video content, . Such a QI may be divided into a plurality of classes (for example, three classes of upper-middle-lower section), and may be set to have the same QI in the same class.

'SCORE' is a value calculated for each bid, and individual bids can be ranked higher when 'SCORE' is higher.

Table 2 shows an example in which a quality override indicator is added.

Date time discrimination
number need
Dose Average
ranking Average BA Average QI VTR SCORE over
Ride Quality over
Ride 2014.11.12 05: 20 ~ 05: 25 One 8 One 75 0.16 17% 12.0 5% 8.0% 2014.11.12 05: 20 ~ 05: 25 2 48 2 40 0.16 16% 6.4 5% 8.0% 2014.11.12 05: 20 ~ 05: 25 3 52 3 50 0.1 9.97% 5.0 5% - 2014.11.12 05: 20 ~ 05: 25 4 50 4 50 0.1 10.41% 5.0 5% - 2014.11.12 05: 20 ~ 05: 25 5 52 5 50 0.1 10.98% 5.0 5% - 2014.11.12 05: 20 ~ 05: 25 6 53 6 50 0.1 8.41% 5.0 5% - 2014.11.12 05: 20 ~ 05: 25 7 28 7 30 0.15 15% 4.5 5% 7.5% 2014.11.12 05: 20 ~ 05: 25 8 30 8 50 0.07 7% 3.5 5% - 2014.11.12 05: 20 ~ 05: 25 9 28 9 30 0.1 11% 3.0 5% - 2014.11.12 05: 20 ~ 05: 25 10 20 10 25 0.1 9% 2.5 5% - 2014.11.12 05: 20 ~ 05: 25 11 14 11 15 0.1 11% 1.5 5% -

Table 2 shows an example of applying the quality override to the highest grade bid. In the case of the upper and lower sections, the VTR generated by each bidding event can be directly applied to the quality, and the middle section may have a structure that converges to the intermediate value. For example, the quality interval may be set to a median value when the specific VTR range is not fixed and the average VTR of the bidder is considered and is within a certain range (for example, 90%).

At this time, the quality override can be used to provide an override ratio that increases the amount of micro-movement in conjunction with QI (quality index). In other words, the overriding and quality override ratios can be summed up based on the required exposure (the amount of exposure required to exhaust the budget during the unit time of the bid), so that the required exposure can be re-selected. In this case, the exposure ratio of the high quality content is increased.

At this time, the quality override provided for the bidder of the upper section may be determined based on the quality index obtained by the bidder. The QI may be score information based on quality (e.g., an index indicating whether the content on which the VTR is based is valid to the user) regardless of the ranking of the bids, and may include a QI schedule of high quality content (i. The ratio (1/2 in the example of Table 2) can be estimated as the value of the quality override.

In this case, even if the quality of the content is too low, the quality override may not be applied because it is not included in the exposure ranking. In other words, it can lead providers to consider both bids and quality.

The quality override can be updated and applied every bid unit time based on the quality index updated every bid unit time (for example, 5 minutes), and the quality index is not a representative value calculated for each grade, A quality override may be applied to each individual bid.

Also, since the exposure of the content can not exceed the traffic, even if overrides and quality overrides are applied, the selected required exposure amount may not be achieved 100%.

The accounting for exposures can be controlled using BA, and the billing can be controlled so that it does not exceed the amount posted at the time of bidding using the billing control logic, so that no additional billing due to override or quality override can be controlled.

In the case of using only the basic override, bidders that are continuously bidded will receive between 103% and 102% of their exposure, while bidders with a higher quality index will be exposed to a maximum exposure of 120% , As no additional charges are incurred, providers are expected to benefit from a 20% reduction in view price.

Therefore, the providers can apply the quality override automatically to the content providing system without the hassle of lowering the BA even if the VTR becomes high, thereby providing an optimized bidding method even in the manual passive bidding pattern of the providers. Also, there is an increased opportunity for users to be exposed to quality content. In addition, in the PC environment, even if there are relatively high quality contents although they can not enter the winning bid rank but have a high fill rate, these high quality contents are not additionally exposed. On the other hand, applying the benefits of quality overrides can provide additional exposure opportunities for high quality content.

FIG. 2 is a block diagram illustrating an internal configuration of a content providing system according to an embodiment of the present invention. FIG. 3 is a flowchart illustrating a content providing method according to an exemplary embodiment of the present invention.

The content providing system 200 according to the present embodiment may correspond to the content providing system described above and may include a processor 210, a bus 220, a network interface 230, and a memory 240, . ≪ / RTI > The memory 240 may include an operating system 241 and a content providing routine 242. [ The processor 210 may include a quality index calculating unit 211, a quality override setting unit 212, an exposure amount resetting unit 213, and a content providing unit 214. Also, in other embodiments, the content providing system 200 may include more components than the components of FIG. However, there is no need to clearly illustrate most prior art components. For example, the content providing system 200 may further include other components such as a display or a transceiver.

The memory 240 may be a computer-readable recording medium and may include a permanent mass storage device such as a random access memory (RAM), a read only memory (ROM), and a disk drive. In addition, the memory 240 may store program codes for the operating system 241 and the content providing routine 242. [ These software components may be loaded from a computer readable recording medium separate from the memory 240 using a drive mechanism (not shown). Such a computer-readable recording medium may include a computer-readable recording medium (not shown) such as a floppy drive, a disk, a tape, a DVD / CD-ROM drive, or a memory card. In other embodiments, the software components may be loaded into the memory 240 via the network interface 230 rather than from a computer readable recording medium. For example, the content providing routine 242 may be loaded into the memory 240 based on a program installed by the developers via files provided by the network.

The bus 220 may enable communication and data transfer between components of the content providing system 200. The bus 220 may be configured using a high-speed serial bus, a parallel bus, a Storage Area Network (SAN), and / or other suitable communication technology.

The network interface 230 may be a computer hardware component for connecting the content providing system 200 to a computer network. The network interface 230 may connect the content providing system 200 to the computer network via a wireless or wired connection.

The processor 210 may be configured to process instructions of a computer program by performing basic arithmetic, logic, and input / output operations of the content providing system 200. The instructions may be provided by the memory 240 or the network interface 230 and to the processor 210 via the bus 220. The processor 210 may be configured to execute program codes for the quality index calculating section 211, the quality override setting section 212, the exposure amount resetting section 213 and the content providing section 214. [ Such program code may be stored in a recording device, such as memory 240 (e.g., a content provisioning routine 242).

At this time, the quality index calculating unit 211, the quality override setting unit 212, the exposure amount resetting unit 213, and the content providing unit 214 perform the steps 310 to 340 included in the content providing method of FIG. 3 Lt; / RTI >

In step 310, the quality index calculating unit 211 may calculate a quality index for a unit time in a bid for exposing the content. The quality index may be determined based on the ratio of the number of times that the situation set by the provider of the content with respect to the number of impressions of the content is related to the exposure of the content. The situation set by the provider of the content may be, for example, a situation induced by the provider, such as a situation of exposing a page associated with the provider to a user who selected the content, or a situation of reproduction of the moving picture content.

In step 320, the quality override setting unit 212 may set a quality override value based on the quality index. For example, the quality override setting unit 212 may set the quality override value to be relatively higher than other contents as the quality index is higher.

In Table 2, an embodiment is described in which the quality override value is set only for the content of the upper section grade among the quality indexes set according to the three classes. In this case, the grade-specific bids can be set so that the tenders included in the middle grade among the plurality of grades have a predetermined weight of the total bids, and the quality index can be calculated for a plurality of grades. At this time, the quality override setting unit 212 can set the quality override value when the content is content related to the bid of a grade higher than the middle grade. A quality override value may not be set for bids of a lower grade than an intermediate or intermediate grade.

In step 330, the exposure amount resetting unit 213 may reset the necessary exposure amount of the content for a unit time using the set quality override value. At this time, the exposure amount resetting unit 213 may reset the required exposure amount according to the set quality override value. In other words, the higher the quality index, the higher the quality override value, and the higher the quality override value, the more the required exposure amount can be increased relatively. Accordingly, the higher the quality of the content, the more the proportion of the content of the content is increased.

In addition, when the quality index is set according to the grade, the quality override value can be set only for the content of the bid case having the quality index of the specific grade (the grade higher than the middle grade). In this case, Can be reset.

Such a required exposure amount can be increased according to the quality override value that is relatively increased as the quality index is increased in the amount the content is scheduled to be exposed for a unit time.

In step 340, the content providing unit 214 may provide the content based on the required exposure amount. At this time, if the cost charged to the provider of the content exceeds the amount set by the provider of the content in accordance with the re-setting of the necessary exposure amount due to the situation where the content is set by the provider of the content, Can be excluded. Accordingly, the content providers can increase the content of the content by improving the quality of the content without additional cost.

As described above, according to the embodiments of the present invention, it is possible to solve the need to minimize the change of the bid amount of content providers and to induce the provision of high-quality contents, thereby increasing the exposure ratio of high-quality contents.

The apparatus described above may be implemented as a hardware component, a software component, and / or a combination of hardware components and software components. For example, the apparatus and components described in the embodiments may be implemented within a computer system, such as, for example, a processor, a controller, an arithmetic logic unit (ALU), a digital signal processor, a microcomputer, a field programmable gate array (FPGA) , A programmable logic unit (PLU), a microprocessor, or any other device capable of executing and responding to instructions. The processing device may execute an operating system (OS) and one or more software applications running on the operating system. The processing device may also access, store, manipulate, process, and generate data in response to execution of the software. For ease of understanding, the processing apparatus may be described as being used singly, but those skilled in the art will recognize that the processing apparatus may have a plurality of processing elements and / As shown in FIG. For example, the processing unit may comprise a plurality of processors or one processor and one controller. Other processing configurations are also possible, such as a parallel processor.

The software may include a computer program, code, instructions, or a combination of one or more of the foregoing, and may be configured to configure the processing device to operate as desired or to process it collectively or collectively Device can be commanded. The software and / or data may be in the form of any type of machine, component, physical device, virtual equipment, computer storage media, or device , Or may be permanently or temporarily embodied in a transmitted signal wave. The software may be distributed over a networked computer system and stored or executed in a distributed manner. The software and data may be stored on one or more computer readable recording media.

The method according to an embodiment may be implemented in the form of a program command that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions to be recorded on the medium may be those specially designed and configured for the embodiments or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, it is to be understood that the techniques described may be performed in a different order than the described methods, and / or that components of the described systems, structures, devices, circuits, Lt; / RTI > or equivalents, even if it is replaced or replaced.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

Claims (11)

A content providing method of a computer-implemented content providing system,
Calculating quality indexes for a plurality of grades during a unit time in a bid for exposure of contents;
Setting a quality override value based on the quality index;
Resetting a necessary exposure amount of the content for a unit time using the set quality override value; And
Providing the content based on the required exposure amount
Lt; / RTI >
Wherein setting the quality override value comprises:
Setting the quality override value when the content is content related to a bid of a grade higher than the plurality of classes,
Wherein the quality override value represents a value that is set to provide an exposure amount that provides an additional free exposure to the exposure amount for freeing the content with respect to the content associated with the bid of the higher grade,
Wherein the step of resetting the necessary exposure amount of the content further comprises:
And resetting the required exposure amount of the content based on the override value indicating the exposure amount for freeing the content and the quality override value. The method according to claim 1,
Wherein setting the quality override value comprises:
Setting the quality override value to be relatively higher than other contents as the quality index is higher,
Wherein the step of resetting the necessary exposure amount of the content further comprises:
And the required exposure amount is increased and reset according to the set quality override value. The method according to claim 1,
Wherein the quality index is determined based on a ratio of the number of times the situation set by the provider of the content with respect to the number of impressions of the content is generated in association with the exposure of the content,
Wherein the required exposure amount is increased in accordance with the quality override value that is relatively increased as the quality index is increased in an amount planned to be exposed for the unit time. The method according to claim 1,
Wherein the tender for each tier is set so that the tender included in the middle grade among the plurality of tiers becomes a predetermined weight of all tender cases. The method according to claim 1,
When the cost charged to the provider of the content exceeds the amount set by the provider of the content in accordance with the re-setting of the required exposure amount as the content is exposed and a situation set by the provider of the content occurs, Is excluded from the billing. A computer-readable recording medium having recorded thereon a program for executing the method according to any one of claims 1 to 5. A computer-implemented content providing system,
A quality index calculating unit for calculating a quality index for a unit time in a plurality of grades in a bid for exposure of contents;
A quality override setting unit for setting a quality override value based on the quality index;
An exposure amount resetting unit for resetting a necessary exposure amount of the content for a unit time using the set quality override value; And
A content providing unit for providing the content based on the required exposure amount,
Lt; / RTI >
The quality override setting unit may set,
Setting the quality override value when the content is content related to a bid of a grade higher than the plurality of classes,
Wherein the quality override value represents a value that is set to provide an exposure amount that provides an additional free exposure to the exposure amount for freeing the content with respect to the content associated with the bid of the higher grade,
Wherein the exposure-
And re-sets a necessary exposure amount of the content based on the override value indicating an exposure amount for freeing the content and the quality override value. 8. The method of claim 7,
The quality override setting unit may set,
Setting the quality override value to be relatively higher than other contents as the quality index is higher,
Wherein the exposure-
And re-establishing the necessary exposure amount according to the set quality override value. 8. The method of claim 7,
Wherein the quality index is determined based on a ratio of the number of times the situation set by the provider of the content with respect to the number of impressions of the content is generated in association with the exposure of the content,
Wherein the required exposure amount is increased in accordance with the quality override value that is relatively increased as the quality index is increased to an amount planned to be exposed for the unit time. 8. The method of claim 7,
Wherein the bidding events are set so that the bid tenders included in the middle grade of the plurality of classes have a predetermined weight of the total bids. 8. The method of claim 7,
When the cost charged to the provider of the content exceeds the amount set by the provider of the content in accordance with the re-setting of the required exposure amount as the content is exposed and a situation set by the provider of the content occurs, Is excluded from the billing.

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