CN102902898A - Resource use control method and resource use control device of multi-dimensional digital media - Google Patents
Resource use control method and resource use control device of multi-dimensional digital media Download PDFInfo
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Abstract
The invention relates to a resource use control method and a resource use control device of multi-dimensional digital media. The resource use control method of the multi-dimensional digital media includes judging resource types of resources of the multi-dimensional digital media, conducting permission setting on the resource of the multi-dimensional digital media according to the resource types and conducting use control on the resource of the multi-dimensional digital media according to the permission setting. The permission setting comprises operation permission of the multi-dimensional digital media and attributes that the operation permission corresponds to. The method and the device can describe operation of information in the multi-dimensional digital media and with different particle sizes and safety attributes and constraint conditions, prerequisite conditions, personalized customization and the like of the operation, resolve permission dynamic stretching caused by object extraction, recombination or interaction and permission dynamic adjusting problems caused by personalized customization, greatly improve data processing efficiency and improve use experience of a user.
Description
Technical field
The present invention relates to MultiMedia Field, the resource that relates in particular to a kind of multidimensional Digital Media is used control method and device.
Background technology
Realization is authorized and is usually realized by the right expression language with the control description to copyright.Have at present two class right expression language, a class logic-based is such as License Script language; One class XML-based (Extensible Markup Language, extend markup language), such as XrML(Extensible Right Markup Language, extensible rights markup language) and ODRL(Open Digital Rights Language, open digital rights language).Wherein, License Script language is polymorphic based on multi-set() rewriting and programming in logic mechanism, be divided into dynamic and static two parts, will be defined as static part about term and the service condition of content description, the contextual definition that constantly changes is dynamic part.XrML can define according to the business model of oneself founder of Digital Media and publisher to authority, service condition etc., framework is ripe, obtained Microsoft(Microsoft) and MPEG(Moving Pictures Experts Group/Motin Pictures Experts Group, dynamic image expert group) support; ODRL is developed by RenatoIannella company, this language is based on REL(Rights Expression Language, the right expression language) basic model, assets, right and three kernel entities of counterparty have been defined, compare the characteristics with succinct practicality with XrML, obtained OMA(Open Mobile Architecture, the open type moving architecture) support.The many expansions based on above-mentioned language of present research, a kind of Digital Right Expression Language LucScrpit of logic-based framework has improved the ability to express of authority descriptive language and real-time control ability.Above-mentioned language standard is described many-sides such as digital rights, participant, conditions respectively, and relevant semantic frame proposed, but, descriptive language and model do not relate to the authority description of multidimensional Digital Media at present, rarely have research for the multidimensional Digital Media aspects such as the controlled mutual description of 3D in use.Here, the multidimensional Digital Media refers to merge various types of digital media contents and digitizing technique, comprises the media form of expression of the media contents such as literal, image, audio frequency and video, animation, three-dimensional picture.
Describe based on Digital Media mandate and use control, can use control to Digital Media by authority, at present main DRM(Digital Rights Management, the Digital Rights Management Technology of passing through) realize.The fundamental purpose of Digital Rights Management Technology is the unauthorized copying that prevents copyright, limits its illegal diffusion, thereby effectively protects copyright owner's interests and enthusiasm.This technology mainly realizes the protection of copyright by the mode of digital license.Generally speaking, the realization of Digital Rights Management Technology combines with access control mechanisms usually.UCON(Usage Control, use control) model has been introduced " obligation ", " mandate " and basic entities such as " conditions " in traditional access control model, and the objectification, fine granularity, the multi-level demand for control that appear as the copyright management of this model provide the possibility that realizes.
Digital Media be widely used in people study, the life in.Existing Digital Rights Management Technology is faced with for same umber word media document, solves diverse location, different time, distinct device, accesses the problem of different content application demand with the user of the different positions of mechanism; Need to solve the initiatively personalized customization of user's authority, realize the problem that interlock is mutual.
Summary of the invention
Technical matters to be solved by this invention provides the resource of a kind of multidimensional Digital Media and uses control method and device, improves the treatment effeciency of data, promotes user's experience.
For solving the problems of the technologies described above, the resource that the present invention proposes a kind of multidimensional Digital Media is used control method, comprising:
Judge the resource type of multidimensional digital media resource;
According to described resource type, described multidimensional digital media resource is carried out the authority setting, described authority setting comprises operating right and attribute corresponding to described operating right that described multidimensional digital media resource is set;
Arrange according to described authority described multidimensional digital media resource is used control.
Further, said method also can have following characteristics, and described the setting according to described authority uses control to comprise to described multidimensional digital media resource:
Receive user's operation requests;
Extract the target resource of operation and the operation of user's request from described operation requests, described target resource is the multidimensional digital media resource that the user will access;
Obtain user profile;
Operating right and the attribute corresponding to described operating right of the operation of user request and described user profile and described target resource are compared, use control according to comparative result.
Further, said method also can have following characteristics, described according to comparative result use control comprise:
If the operating right of described target resource comprises the operation that the user asks, and the described user profile attribute corresponding with this operating right conforms to the operation that then allows the execution user to ask;
If the operating right of described target resource does not comprise the operation that the user asks, perhaps, the operating right of described target resource comprises the operation that the user asks but the described user profile attribute corresponding with this operating right do not conform to the then operation of refusal execution user request.
Further, said method also can have following characteristics, and described attribute comprises tense requirement and environmental requirement, and described attribute also comprises role and/or level of security.
Further, said method also can have following characteristics, described attribute also comprises constraint condition, condition precedent, personalized customization condition, authority and dynamically adjusts any one or its combination in the history, and described personalized customization condition refers to the condition that needs satisfy when the multidimensional digital media resource is proposed operation requests that the user arranges according to self-demand.
Further, said method also can have following characteristics, described personalized customization Conditional Include to same user have different operating rights in the different access period, same user has different operating rights after satisfying the different set condition.
Further, said method also can have following characteristics, and described resource type comprises literal, list, image, multimedia, 3D figure, composite object.
Further, said method also can have following characteristics, and described operating right comprises demonstration, migration, extraction, restructuring, 3D rotation.
For solving the problems of the technologies described above, the resource that the invention allows for a kind of multidimensional Digital Media is used control device, comprising:
Judge module is for the resource type of judging the multidimensional digital media resource;
Authority arranges module, is used for the resource type according to described judge module output, and described multidimensional digital media resource is carried out the authority setting, and described authority setting comprises operating right and attribute corresponding to described operating right that described multidimensional digital media resource is set;
Control module is used for arranging according to the authority that described authority arranges module described multidimensional digital media resource is used control.
Further, said apparatus also can have following characteristics, and described control module comprises receiving element, extraction unit, acquiring unit and the control module that links to each other in turn, wherein:
Receiving element is for the operation requests that receives the user;
Extraction unit is used for extracting the target resource of operation and the operation of user's request from described operation requests, and described target resource is the multidimensional digital media resource that the user will access;
Acquiring unit is used for obtaining user profile;
Control module is used for operating right and the attribute corresponding to described operating right of the operation of user's request and described user profile and described target resource are compared, and uses control according to comparative result.
Further, said apparatus also can have following characteristics, and described control module comprises the first control subelement and the second control subelement, wherein:
The first control subelement is used for comprising the operation that the user asks at the operating right of described target resource, and the described user profile attribute corresponding with this operating right allows to carry out the operation that the user asks when conforming to;
The second control subelement, be used for not comprising the operation that the user asks at the operating right of described target resource, perhaps, the operating right of described target resource comprises operation that the user asks but the described user profile attribute corresponding with this operating right when not conforming to, and refusal is carried out the operation of user's request.
The operation that the information that the resource of multidimensional of the present invention Digital Media uses control method and device can describe different grain size, different security attributes in the multidimensional Digital Media possesses and constraint condition thereof, condition precedent, personalized customization etc., solve that object extracts, restructuring or the authority dynamic retractility that causes alternately, the authority that causes because of personalized customization dynamically adjust problem, greatly improve the treatment effeciency of data, promoted user's experience.
Description of drawings
Fig. 1 is the process flow diagram that the resource of multidimensional Digital Media in the embodiment of the invention is used control method;
Fig. 2 is a kind of particular flow sheet of step 300 among Fig. 1;
Fig. 3 is the structured flowchart that the resource of multidimensional Digital Media in the embodiment of the invention is used control device.
Embodiment
Below in conjunction with accompanying drawing principle of the present invention and feature are described, institute gives an actual example and only is used for explaining the present invention, is not be used to limiting scope of the present invention.
Fig. 1 is the process flow diagram that the resource of multidimensional Digital Media in the embodiment of the invention is used control method.As shown in Figure 1, in the present embodiment, the resource of multidimensional Digital Media uses control method to comprise the steps:
Below if no special instructions, mentioned resource all refers to the multidimensional digital media resource.
Wherein, resource type can comprise literal, list, image, multimedia, 3D figure, composite object etc.
Here, operating right and attribute are associated, and that is to say that operating right and attribute are corresponding.Attribute description the user when proposing to carry out certain operation for the multidimensional digital media resource to user's requirement, in other words, attribute is user's required satisfied condition when the multidimensional digital media resource is proposed operation requests.Operating right is exactly the authority that the user operates the multidimensional digital media resource.
For example, attribute can comprise tense requirement and environmental requirement, and role and/or level of security.
In embodiments of the present invention, attribute can also comprise constraint condition (such as the time), condition precedent (such as paying), personalized customization condition (control is used in the active that the user carries out), authority and dynamically adjusts any one or two kinds and two or more combinations in the content such as historical.Wherein, personalized customization condition can be added to the multidimensional digital media resource authority description of User real needs.The personalized customization condition can comprise same user is had different operating rights in the different access period, and same user has different operating right (for example, impose a condition can comprise expense etc.) after satisfying the different set condition.
Wherein, operating right can comprise the authority of demonstration, migration, extraction, restructuring, 3D rotation etc.
Fig. 2 is a kind of particular flow sheet of step 300 among Fig. 1.As shown in Figure 2, in embodiments of the present invention, step 300 can specifically comprise following substep:
Here, the information such as username and password when subscriber identity information can be login in other embodiments of the invention, can not judged the legitimacy of subscriber identity information yet.
Here, user profile refers to user's residing environmental information when the submit operation request, and the content item that the attribute that arranges in the content item that user profile comprises and the aforesaid step 200 comprises is identical.For example, if the attribute that arranges in the step 200 comprises role, level of security, tense and requires this three content items, then user profile also comprises role, level of security, these three content items of tense requirement, and only the content in the user profile is concrete this user's role, this role's level of security and current residing time of this user.
In embodiments of the present invention, user profile can comprise the implementation status of the residing temporal information of user, positional information, historical operation etc.
Step 305 allows to carry out the operation that the user asks;
Step 306 need to judge whether the user to improve requirement, if then return step 301, otherwise execution in step 307;
The user uses control to the user after improving and requiring again again.
Step 307 finishes, and returns request error information to the user.
Step 304 to step 307 also can be expressed as: operating right and the attribute thereof of resolving corresponding resource type, validity decision is carried out in operation to main body, and uses control according to result of determination, if the user does not have operating right, then refusal is carried out the operation of asking, and returns error message; Require to submit authentication information to if the user need to improve, then return relevant information.Otherwise allow to carry out the operation of asking, for example, utilize the condition precedent attribute of destination object demonstration authority and/or the associated permissions of sequential correlation object dynamically to adjust historical attribute, realize the control of display timing generator; Utilize dimension constrained attributes and the condition precedent attribute of 3D rotation authority to realize showing dimension control; Utilize personalized customization attribute and the condition precedent attribute of each authority and dynamically adjust initiatively personalized customization and the control etc. of historical attribute realization authority.
In implementation, can adopt the realization of XrML language to the expression of multidimensional Digital Media, the XrML syntactic definition that concrete multidimensional Digital Media fine granularity authority is described is as follows:
Below, providing two embodiment and use control method to be described in further detail to the resource of multidimensional of the present invention Digital Media, the authority in following examples is described and is used the XrML language description.
Embodiment one
Among this embodiment, the keeper checks the restriction of authority by user's access and the constraint condition of checking are set to the user, thereby realizes the time of the consulting control of multidimensional Digital Media document.
At first, by customization, the control student just can check the supporting answer of exercise volume after two hours with method representation teacher of the present invention.
The description flow process of this customization is as follows:
The first, judge the resource type of this resource (exercise volume and the supporting answer of exercise volume), according to demand, this resource belongs to composite object, and (resource describes type: resource type complex); As follows with the XrML language description:
The second, for this resource type, for this resource arranges the executable operating right of this resource and attribute corresponding to this operating right, as seen, operating right is associated with attribute;
In this embodiment, operating right is " checking the exercise volume; check the answer that the exercise volume is supporting after two hours " and " checking exercise volume and the supporting answer of exercise volume ", and the attribute that last operating right is corresponding is " Students ", and attribute corresponding to a rear operating right is " Teachers ".
As follows with the XrML language description:
The 3rd, the level of security that the supporting answer of exercise volume is set in attribute is I, and tense is 8:00-21:00, and environment is only for classroom I, and the level of security of exercise volume is II, and tense is whole day, and environment is not for limitting;
A kind of resource can corresponding multiple operating right, but each operating right may be different to the requirement of level of security, tense, environment.
As follows with the XrML language description:
On the basis of the aforementioned setting of present embodiment, ensuing use control flow is as follows:
If a pass student, application exercise volume is checked authority, then carries out following steps:
The first, receive student's operation requests, extract student's identity information, judge whether this pupilage information is legal, if legally then carry out next step, otherwise finish to judge, return error message;
The second, according to the operation requests (exercise volume Exercise I check authority) of student to this resource, extract the destination object (exercise volume Exercise I) of operation, the action message (showing show) of the execution of asking;
The 3rd, obtain student information, comprise the information such as the residing environment of student, tense;
The 4th, obtain the associated action message of destination object (exercise volume Exercise I) that needs operation, and require the constraint condition information such as environment, tense and role that possess of access main body, if the user who claims satisfies access consideration (also being that user profile is consistent with the attribute of setting), then authorize display operation, otherwise return error message;
If this student is after checking the exercise volume, at point in the mornings 9, at classroom I, proposes the operation requests check the answer that the exercise volume is supporting, and after checking two hours of exercise volume, carry out following steps:
The first, receive student's operation requests, extract student's identity information, judge whether this pupilage information is legal, if legally then carry out next step, otherwise finish to judge, return error message;
The second, according to the operation requests (exercise volume supporting answer check authority) of student to this resource, extract destination object (the answer Exercise I﹠amp that the exercise volume is supporting of operation; Answer), ask the action message (showing show) of execution;
The 3rd, obtain student information, comprise residing environment (ClassRoom I), tense (9:00am) information;
The 4th, obtain destination object (the supporting and answer Exercise I﹠amp of exercise volume that needs operation; Answer) associated action message, and require the constraint condition information such as environment, tense and role that possess of access main body.If the user who claims satisfies access consideration (beginning to check that the exercise volume is after two hours), then authorize display operation, otherwise return error message, and this action need of prompting student checks that the exercise volume is condition after two hours;
Among this embodiment, the keeper checks the restriction of authority by user's access and the constraint condition of checking are set to the user, thereby realizes the time of the consulting control of multidimensional Digital Media document.
Embodiment two
This embodiment has represented Digital Media is shown the control of dimension, and 2 d plane picture is towards the low user of authority (such as the on probation and preview before buying), and 3 dimensional drawing then can offer the higher user of authority (such as the user who has paid);
The description flow process of this embodiment is as follows:
The first, judge the resource type of this resource (2 d plane picture and 3 dimensional drawing), according to demand, this resource belongs to the type of 3D figure; Be described below:
The second, for the type of this resource, for resource arranges the executable operating right of this resource and attribute corresponding to operating right;
In this embodiment, operating right is " demonstration 2 d plane picture " and " demonstration 3 dimensional drawing ", and the attribute that last operating right is corresponding is " not paying ", and attribute corresponding to a rear operating right is " charges paid ".
The 3rd, it is whole day that the 3 dimensional drawing tense is set in attribute, and environment can carry out the operation that 3D shows to it for to watch in the library, and the 2 d plane picture tense is whole day, and environment only can carry out the operation that 2D shows to it for not limitting;
Among this embodiment, it is as follows with the XrML language authority of multidimensional digital media resource to be described the rear description document that generates:
On the basis of the aforementioned setting of present embodiment, ensuing use control flow is as follows:
If a domestic consumer, in unpaid situation, the application 2 d plane picture is checked authority, then carries out following steps:
The first, receive user's operation requests, extract user's identity information, judge whether this subscriber identity information is legal, if legally then carry out next step, otherwise finish to judge, return error message;
The second, (two-dimension picture is checked authority: 2D-play), extract the destination object (two-dimension picture) of operation, the action message (demonstration) that institute asks execution to the operation requests of this resource according to the user;
The 3rd, obtain user's constraint condition information, the information of namely whether paying;
The 4th, resolve the foregoing description file, obtain the associated action message of destination object (two-dimension picture) that needs operation, and institute requires to access the constraint condition information such as environment, tense and role that main body possesses.If the user who claims satisfies access consideration, then authorize display operation, otherwise return error message;
If this user is after checking two dimensional image, propose the operation requests that 3-D view shows in the library, and pay, then carry out following steps:
The first, receive user's request of access, extract user's identity information, judge whether this subscriber identity information is legal, if legally then carry out next step, otherwise finish to judge, return error message;
The second, (three-dimensional picture is checked authority: 3D-play), extract the destination object (three-dimensional picture) of operation, the action message (3D demonstration) that institute asks execution to the operation requests of this resource according to the user;
The 3rd, obtain user's constraint condition information, comprise residing environment (library) and payment information;
The 4th, resolve the foregoing description file, obtain the associated action message of destination object (three-dimensional picture) that needs operation, and require the constraint condition information such as environment, tense and role that possess of access main body, if the user who claims satisfies access consideration (paying), then authorize display operation, otherwise return error message, and this action need paying of prompting user is condition;
The operation that the information that the resource of multidimensional of the present invention Digital Media uses control method can describe different grain size, different security attributes in the multidimensional Digital Media possesses and constraint condition thereof, condition precedent, personalized customization etc., solve that object extracts, restructuring or the authority dynamic retractility that causes alternately, the authority that causes because of personalized customization dynamically adjust problem, greatly improve the treatment effeciency of data, promoted user's experience.
The resource that the invention allows for a kind of multidimensional Digital Media is used control device, uses control method in order to the resource of carrying out above-mentioned multidimensional Digital Media.The resource that the resource of above-mentioned multidimensional Digital Media uses the description among the control method embodiment all to be applicable to multidimensional of the present invention Digital Media is used control device.
Fig. 3 is the structured flowchart that the resource of multidimensional Digital Media in the embodiment of the invention is used control device.As shown in Figure 3, in the present embodiment, the resource of multidimensional Digital Media uses control device to comprise that judge module 310, authority arrange module 320 and control module 330.Wherein, judge module 310 is used for judging the resource type of multidimensional digital media resource.Authority arranges the resource type that module 320 is used for according to judge module 310 outputs, and the multidimensional digital media resource is carried out the authority setting, and this authority setting comprises operating right and attribute corresponding to this operating right that the multidimensional digital media resource is set.Control module 330 arranges for the authority that module 320 is set according to authority the multidimensional digital media resource is used control.
Wherein, control module 330 may further include receiving element, extraction unit, acquiring unit and the control module that links to each other in turn.Receiving element is used for receiving user's operation requests.Extraction unit is used for extracting the target resource of operation and the operation of user's request from operation requests, and wherein, target resource is the multidimensional digital media resource that the user will access.Acquiring unit is used for obtaining user profile.Control module is used for the operating right of the operation of user's request and described user profile and described target resource and attribute corresponding to described operating right are compared, and uses control according to comparative result.
Wherein, control module may further include the first control subelement and the second control subelement.The first control subelement is used for comprising the operation that the user asks at the operating right of target resource, and the user profile attribute corresponding with this operating right allows to carry out the operation that the user asks when conforming to.The second control subelement is used for not comprising the operation that the user asks at the operating right of target resource, perhaps, the operating right of target resource comprises operation that the user asks but the user profile attribute corresponding with this operating right when not conforming to, and refusal is carried out the operation of user's request.
The operation that the information that the resource of multidimensional of the present invention Digital Media uses control device can describe different grain size, different security attributes in the multidimensional Digital Media possesses and constraint condition thereof, condition precedent, personalized customization etc., solve that object extracts, restructuring or the authority dynamic retractility that causes alternately, the authority that causes because of personalized customization dynamically adjust problem, greatly improve the treatment effeciency of data, promoted user's experience.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. the resource of a multidimensional Digital Media is used control method, it is characterized in that, comprising:
Judge the resource type of multidimensional digital media resource;
According to described resource type, described multidimensional digital media resource is carried out the authority setting, described authority setting comprises operating right and attribute corresponding to described operating right that described multidimensional digital media resource is set;
Arrange according to described authority described multidimensional digital media resource is used control.
2. the resource of multidimensional according to claim 1 Digital Media is used control method, it is characterized in that, the described setting according to described authority uses control to comprise to described multidimensional digital media resource:
Receive user's operation requests;
Extract the target resource of operation and the operation of user's request from described operation requests, described target resource is the multidimensional digital media resource that the user will access;
Obtain user profile;
Operating right and the attribute corresponding to described operating right of the operation of user request and described user profile and described target resource are compared, use control according to comparative result.
3. the resource of multidimensional according to claim 2 Digital Media is used control method, it is characterized in that, describedly uses control to comprise according to comparative result:
If the operating right of described target resource comprises the operation that the user asks, and the described user profile attribute corresponding with this operating right conforms to the operation that then allows the execution user to ask;
If the operating right of described target resource does not comprise the operation that the user asks, perhaps, the operating right of described target resource comprises the operation that the user asks but the described user profile attribute corresponding with this operating right do not conform to the then operation of refusal execution user request.
4. the resource of multidimensional according to claim 1 Digital Media is used control method, it is characterized in that described attribute comprises tense requirement and environmental requirement, and described attribute also comprises role and/or level of security.
5. the resource of multidimensional according to claim 1 Digital Media is used control method, it is characterized in that, described attribute also comprises constraint condition, condition precedent, personalized customization condition, authority and dynamically adjusts any one or its combination in the history, and described personalized customization condition refers to the condition that needs satisfy when the multidimensional digital media resource is proposed operation requests that the user arranges according to self-demand.
6. the resource of multidimensional according to claim 5 Digital Media is used control method, it is characterized in that, described personalized customization Conditional Include to same user have different operating rights in the different access period, same user has different operating rights after satisfying the different set condition.
7. the resource of multidimensional according to claim 1 Digital Media is used control method, it is characterized in that described resource type comprises literal, list, image, multimedia, 3D figure, composite object.
8. the resource of multidimensional according to claim 1 Digital Media is used control method, it is characterized in that, described operating right comprises demonstration, migration, extraction, restructuring, 3D rotation.
9. the resource of a multidimensional Digital Media is used control device, it is characterized in that, comprising:
Judge module is for the resource type of judging the multidimensional digital media resource;
Authority arranges module, is used for the resource type according to described judge module output, and described multidimensional digital media resource is carried out the authority setting, and described authority setting comprises operating right and attribute corresponding to described operating right that described multidimensional digital media resource is set;
Control module is used for arranging according to the authority that described authority arranges module described multidimensional digital media resource is used control.
10. the resource of multidimensional according to claim 9 Digital Media is used control device, it is characterized in that, described control module comprises receiving element, extraction unit, acquiring unit and the control module that links to each other in turn, wherein:
Receiving element is for the operation requests that receives the user;
Extraction unit is used for extracting the target resource of operation and the operation of user's request from described operation requests, and described target resource is the multidimensional digital media resource that the user will access;
Acquiring unit is used for obtaining user profile;
Control module is used for operating right and the attribute corresponding to described operating right of the operation of user's request and described user profile and described target resource are compared, and uses control according to comparative result.
11. the resource of multidimensional according to claim 10 Digital Media is used control device, it is characterized in that, described control module comprises the first control subelement and the second control subelement, wherein:
The first control subelement is used for comprising the operation that the user asks at the operating right of described target resource, and the described user profile attribute corresponding with this operating right allows to carry out the operation that the user asks when conforming to;
The second control subelement, be used for not comprising the operation that the user asks at the operating right of described target resource, perhaps, the operating right of described target resource comprises operation that the user asks but the described user profile attribute corresponding with this operating right when not conforming to, and refusal is carried out the operation of user's request.
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| CN104616073A (en) * | 2015-01-26 | 2015-05-13 | 江苏如意通动漫产业有限公司 | Precise management system based on digitized two-dimensional animation production |
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