CN1414497A - Network manufacture cooperative supporting tool - Google Patents

Network manufacture cooperative supporting tool Download PDF

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Publication number
CN1414497A
CN1414497A CN 02139546 CN02139546A CN1414497A CN 1414497 A CN1414497 A CN 1414497A CN 02139546 CN02139546 CN 02139546 CN 02139546 A CN02139546 A CN 02139546A CN 1414497 A CN1414497 A CN 1414497A
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Prior art keywords
module
collaborative
interactive
subscriber interface
user
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CN1176438C (en
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江平宇
周光辉
张定红
孙惠斌
赵刚
张映锋
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Xian Jiaotong University
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Xian Jiaotong University
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Abstract

Based on the request of the networked manufacture for the coordinated environment, the invention investigates the method for creating the coordinated working, the network communication, interactive multimedia and the graphical browse. The support tool is realized based on the Java scheme and the Web multiple media and coordinated working on the cross platforms. The coordination and control mechanisms are provided for each design personal in the designing procedure. The coordinated item management of the task driven is adopted in the invention so as to realize the coordinated functios of the authority control, the multimedia dialog, the browse and recording the history. The invention possesses the features of the customization, the high integrity, the real time multimedia, the cross platform and easy of maintenance.

Description

Collaborative support facility is made in networking
One, affiliated technical field
The invention belongs to networking technology, relate to the sub-project of making the application integration service platform based on the networking of ASP, collaborative support facility is made in particularly a kind of networking.
Two, background technology
The Stork of Germany Fraunhofer computer graphical research institute and Jasnoch think that group's work of computing machine support has two research aspects---cooperative surroundings and the synergistic application that is integrated in the cooperative surroundings, they have proposed distributed product development environment CoConut and synergistic application Shared 3D Viewer.The major function of Shared 3DViewer is that the distribution of STEP geometric data and product structure is visual, for the user provides collaborative browse, discussion and marking Function.
The Zhang of Kentucky university computer system and Cheng have studied the coordinated CAD based on the Web framework, the advantage of Web cooperative system through discussion, and they think that WWW uses for coordinated CAD provides a desirable support environment.They have also studied technology such as collaborative user interface, collaborative perception support, synchronous versus asynchronous and security particularly.
Breadboard Kang of the Internet of Iowa university and Grady etc. are conceived to the research of collaborative design under the Internet environment, have proposed a collaborative design system general structure based on WWW, and have been realized, are called CyberView.It realizes the collaborative browse of distribution design group to the STEP product model under browser.The groundwork that they do is to realize that conversion, STEP from STEP to VRML browsed to OODB storage and VRML.
Guo Yuchai, the Lin Shouxun etc. of institute of computing technology of Chinese Academy of Sciences CAD open laboratory inquire into key concept, the content of CSCD, and the mode of operation of CSCD studied, proposed to set up efficient, the principle of mode of operation, and the method for setting up mode of operation reliably.
The Zhang Youliang of Institutes Of Technology Of Nanjing, Cao Jian, Lu Chunjin etc. studied coordinated CAD structure, the task scheduling under the CSCD environment, cooperation is with conflict resolution, information sharing and exchange, the problem of the aspect of version management, having proposed one is the preliminary project of the collaborative CAD system of basic platform with Microsoft Netmeeting.
The history Merrill Lynch of Computer Science and Technology Department of Tsing-Hua University, Yang Guangxin have at length discussed the design of a real-time collaborative design support system prototype CoDesign and the some problems in the realization in its paper.
Existing research work concentrates on the technology that enables of general CSCW mostly, and biases toward theoretical research, towards the specific application area applied research then seldom.And most of existing system also exists low, the non-multimedia of integrated level, not cross-platform, the deficiency of safeguarding aspects such as inconvenience.
Three, summary of the invention
Therefore, on the basis of absorption approach achievement in research and summary existing system deficiency, the present invention makes up a cooperative working environment towards the field of manufacturing, provides a kind of networking to make collaborative support facility.The collaborative support facility of this networking manufacturing has advantages such as customizations, integrated level height, convenient and practical, real-time multimedia, cross-platform, easy care.
To achieve these goals, the technical solution used in the present invention is, the collaborative support facility of this networking manufacturing comprises subscriber interface module, coordinated conversational module, white board interactive module, X-Y scheme (image) collaborative browse module, three-dimensional picture collaborative browse module, basic communication module, audio frequency interactive module, video interactive module, Project administration module and security mechanism composition, is characterized in:
Subscriber interface module
Subscriber interface module is the window that native system and user carry out two-way interactive, and it is the external manifestation of each functional module and security mechanism based on other each functional module and security mechanism;
The coordinated conversational module
The coordinated conversational module is corresponding to the coordinated conversational function that system provided, and its communication is based on the basic communication module, and I/O depends on subscriber interface module;
The white board interactive module
White board interactive function in the white board interactive module realization system, this module is obtained input information from subscriber interface module, after this resume module, again output information is sent to subscriber interface module, and the communication of this module depends on the basic communication module;
X-Y scheme (image) collaborative browse module
The input of X-Y scheme (image) collaborative browse module is the operation of user to X-Y scheme (image), and output is the realizations of all user sides to this operation, and the I/O of this module reflects by subscriber interface module, realizes depending on the basic communication module;
Three-dimensional picture collaborative browse module
Three-dimensional picture collaborative browse module realizes the collaborative browse of all users to three-dimensional picture, and this module is reflection based on the basic communication module with the subscriber interface module;
The basic communication module
The basic communication module is the basis that native system is realized, it is the basis that coordinated conversational module, white board interactive module, X-Y scheme (image) collaborative browse module, three-dimensional picture collaborative browse module etc. provide communication, simultaneously, it also provides the possibility of realization for the Project administration module;
The audio frequency interactive module
Multidirectional real-time collection, transmission and the broadcast of sound in the audio frequency interactive module realization system, its active receiving is formed on the Project administration module, and its interface depends on subscriber interface module;
The video interactive module
The video interactive module realizes real-time multidirectional collection, transmission and the broadcast of image information between user side.Its I/O embodies in subscriber interface module, but it will be subjected to the scheduling of Project administration module;
The Project administration module
The Project administration module is the core of native system Work Process Management, it is according to user's demand, workflow and work habit, design standard, mode of operation easily, the action of coordinated conversational module, white board interactive module, X-Y scheme (image) collaborative browse module, three-dimensional picture collaborative browse module, audio frequency interactive module and video interactive module all will be decided by the Project administration module;
Security mechanism
Security mechanism provides the guarantee of secure context for the realization of subscriber interface module, and it is according to the function that subscriber interface module will be realized, provides to be fit to and the authority of safety.
The present invention is a collaborative support facility towards the field of manufacturing.It is made to measure at the specific demand of making the field, has satisfied in the networked manufacture process requirement to collaborative work to greatest extent.
Four, description of drawings
Fig. 1 is a system construction drawing of the present invention;
Fig. 2 is that overall system flow process of the present invention is as figure;
Fig. 3 is a control of authority strategy synoptic diagram;
Fig. 4 is the user interface synoptic diagram of system;
Fig. 5 is the bibliographic structure figure of server;
Fig. 6 is the bibliographic structure figure of user side program;
Fig. 7 is the storage node composition of each Project;
Fig. 8 starts server interface figure.
Five, embodiment
For a more clear understanding of the present invention, the present invention is described in further detail for the specific embodiments that provides below in conjunction with accompanying drawing and inventor.5.1 system architecture
System mainly is made up of subscriber interface module, coordinated conversational module, white board interactive module, X-Y scheme (image) collaborative browse module, three-dimensional picture collaborative browse module, basic communication module, audio frequency interactive module, video interactive module, Project administration module and security mechanism etc.The structure of system as shown in Figure 1.
Each module division is as follows:
Subscriber interface module
Subscriber interface module is the window that native system and user carry out two-way interactive.It is the external manifestation of each functional module and security mechanism based on other each functional module and security mechanism.
The coordinated conversational module
The coordinated conversational module is corresponding to coordinated conversational function that system provided.Its communication is based on the basic communication module, and I/O depends on subscriber interface module.
The white board interactive module
White board interactive function in the white board interactive module realization system.This module is obtained input information from subscriber interface module, after this resume module, again output information is sent to subscriber interface module.The communication of this module depends on the basic communication module.
X-Y scheme (image) collaborative browse module
The input of X-Y scheme (image) collaborative browse module is the operation of user to X-Y scheme (image), and output is the realizations of all user sides to this operation.The I/O of this module reflects by subscriber interface module, realizes depending on the basic communication module.
Three-dimensional picture collaborative browse module
Three-dimensional picture collaborative browse module realizes the collaborative browse of all users to three-dimensional picture.This module is reflection based on the basic communication module with the subscriber interface module.
The basic communication module
The basic communication module is the basis that native system is realized.It is the coordinated conversational module, provides the basis of communication from plate interactive module, X-Y scheme (image) collaborative browse module, three-dimensional picture collaborative browse module etc., simultaneously, it also for the Project administration module realization is provided may.
The audio frequency interactive module
Multidirectional real-time collection, transmission and the broadcast of sound in the audio frequency interactive module realization system.Its active receiving is formed on the Project administration module, and its interface depends on subscriber interface module.
The video interactive module
The video interactive module realizes real-time multidirectional collection, transmission and the broadcast of image information between user side.Its I/O embodies in subscriber interface module, but it will be subjected to the scheduling of Project administration module.
The Project administration module
The Project administration module is the core of native system Work Process Management.It is according to user's demand, workflow and work habit, designs standard, mode of operation easily.The action of coordinated conversational module, white board interactive module, X-Y scheme (image) collaborative browse module, three-dimensional picture collaborative browse module, audio frequency interactive module and video interactive module all will be decided by the Project administration module.
Security mechanism
Security mechanism provides the guarantee of secure context for the realization of subscriber interface module.It provides to be fit to and safe authority according to the function that subscriber interface module will be realized.5.2 system flow
The overall procedure of system as shown in Figure 2.
Before the user side program run, server must start, and server should be finished the initialization of user thread, enters the state of waiting for user's login.After the user started the user side program, the user side program received the username and password of user's input, and it is carried out syntax check.Username and password by syntax check will be sent to server.Server receives username and password.After identity was identified, server sent confirmation to the respective user end, sent online user list, and sent new login user's information to other user side.The user side program receives one by one to these information, and user interface is done corresponding operation.The user can be newly-built or be opened an engineering.If there had been engineering to be opened at that time, so, server and user side program will send and receive the data of this project respectively.If the user wants a newly-built engineering, then the user side program will send newly-built request, and server need carry out newly-built feasibility inspection after receiving this request, and the result is sent to user side.If the user will open an engineering, then the user side program will send the request of opening.Server receives this request, and sends the data of this engineering to user side.No matter newly-built still open, the user side program all will be carried out the renewal of user interface when receiving command adapted thereto and data.After this, system has just entered the state of collaborative work.System is collaborative utilities such as the user provides collaborative browse, the collaborative browse of three-dimensional picture, white board interactive, the audio frequency of coordinated conversational, two dimensional image mutual, video interactive.The use of these collaborative utilities is order in no particular order, can carry out simultaneously.After collaborative work finished, server will be stored collaborative content.Afterwards, the user withdraws from cooperative surroundings, and system flow finishes.5.3 based on the Project project organization and management
In system, to collaborative incident of the collaborative formation of the one or many of a certain manufacturing operation or problem.A collaborative incident is corresponding to a Project.And a Project consists of the following components:
● item file is described the overall information of Project, as tabulation of the title of Project, creation-time, founder, main contents, each associated documents of Project etc.This document is extension name with .pro.The read-write of this document adopts the mode of object sequenceization (Object Serializing) to realize.When certain collaborative incident began, the organizer of collaborative incident had the newly-built Project of authority.Meanwhile, system will be the newly-built corresponding organization structure of this Project.
● the collaborative recording storage of discussing is discussed records about towards the public all in the collaborative processes of certain Project.Be convenient search, these recording storage are in a tables of data.Tables of data and corresponding Project are of the same name.Structure of data table is referring to relevant database description part.
● the CAD graphic file is stored all X-Y schemes (image) file, the three-dimensional picture file used among this Project.The figure that system supported (image) file layout is seen relevant portion.
● the audio-frequency information in the audio files storage cooperative working process.When collaborative work was carried out, each user side all sent audio-frequency information to other user side, and simultaneously, each user side also can be heard the sound that comes from other user side simultaneously.The Project managerial personnel can select part or all audio frequency information to store.Audio-frequency information from each user side will be stored as an audio files at every turn.
● the audio-frequency information in the video file storage cooperative working process.In collaborative work, the video information that comes from all user sides all will be stored.Formats stored is determined by the Project managerial personnel.Video information from each user side will be stored as a video file at every turn.
● other associated documents are in the file that a Project need store, and all do not belong to above all types of file and will be stored under this catalogue.5.4 control of authority strategy
System adopts a kind of hybrid-type control of authority strategy.The control strategy of system is divided into the control strategy of overall control strategy and each interactive tool, comprising the mutual control strategy of control strategy, the audio frequency of the collaborative browse of the control strategy of the control strategy of the control strategy of coordinated conversational, white board interactive, X-Y scheme (image) collaborative browse, three-dimensional picture, the control strategy of video interactive etc.Every kind of control strategy has:
0. it is random; 1. speech in turn; 2. centralized control; 3. specify; 4. token transmission; 5. timeslice by turns; Etc. several control models.When whole control strategy was random pattern, each interactive tool can have oneself independently control model respectively; Otherwise each interactive tool does not have oneself independently control model, and its control model submits to the pattern of whole control strategy.
In random pattern, each participant all has the right to participate in collaborative, and each side all has equal opportunity, and server end responds user's request according to first come first served basis.
In speech pattern in turn, collaborative organizer has the right to determine whether a speech formation and speech can circulate.When the organizer confirms collaborative beginning, first participant in the formation will obtain the floor.When a certain participant obtains the floor, other participant will have no right to make a speech.After the speech of a certain participant finished, right to speak passed to next participant automatically.Last participant speech in formation finishes, if speech can circulate, first participant in the formation will obtain the floor, otherwise speech finishes.Collaborative organizer can stop the continuation of making a speech at any time.
In focus control mode, want that the participant of making a speech can file an application to collaborative organizer, whether the collaborative organizer decision of having the right gives applicant's right to speak, and a certain in principle moment has only a participant to have right to speak.Collaborative organizer just can stop the speech the spokesman at any time.
In designated mode, collaborative organizer can distribute to any one participant to right to speak, and collaborative organizer just can stop the speech the spokesman at any time.
In the token transfer mode, collaborative organizer can authorize a certain participant speech, in this participant's speech, other participant can require this participant to transmit right to speak, if this participant agrees to abandon speech, then the applicant will obtain the floor, otherwise this participant will continue speech.Collaborative organizer can deprive current speaking person's speech at any time.In this pattern, right to speak is transmitted between the participant just as token.
In the timeslice rotation pattern, collaborative organizer has the right to determine whether a time limit of speech and speech can circulate.When the organizer confirms collaborative beginning, first participant in the formation will obtain the floor.When a certain participant obtains the floor, other participant will have no right to make a speech.Automatically abandon speech when time limit of speech end or this participant of a certain participant, right to speak passes to next participant automatically.The time limit of speech of last the participant speech in formation finishes, if speech can circulate, first participant in the formation will obtain the floor, otherwise speech finishes.Collaborative organizer can stop the continuation of making a speech at any time.
In addition, the organizer of the collaborative processes right that any one collaborative participant participates in a certain collaborative pattern of having the right to give or cancel.5.5 multimedia collaborative environment based on WEB
By the exploitation to JMF, system has realized a multimedia collaborative working environment based on WEB.This makes that the user's online audio frequency is mutual, video interactive becomes a reality.
The audio frequency rules of interaction of system is:
Just carry out the mutual ready state of audio frequency after system's operation.After the user logined success, server end sent online user's port list to this user side, and this user side sends local audio according to these information to other user side immediately, and began simultaneously to receive audio-frequency information from other user side.Concerning a certain online user, server end is to this user side transmission new login user's port information, and this user side sends local audio to the new login user side immediately.The audio-frequency information of all user sides will be stored at server end.When the user double-clicked audio file on the Project tree, server end sent corresponding audio-frequency information to this user side, and this user side begins to receive immediately.
Audio-frequency information is stored as * .mp3 file at server end.
The bibliographic structure of server is referring to Fig. 5.
The bibliographic structure of user side program is referring to Fig. 6.
The storage organization of each Project is referring to Fig. 7.
The video interactive rule of system is:
Video information whether transmission is determined by the user.When a certain user side begins to catch and when other user sent local video, server sent to other online user to this information, the transmission video user tabulation of these user sides will add this user.If a certain user (A) sends the user list from video and selected a user (B), then this user side (A) will begin immediately from sending the user side receiver, video of video (B).The operation that take over party and transmit leg all have time-out, recover, stop and restarting in the process that sends and receive.
Video information is stored as * .mov file at server end.5.6 the user interface of system
The user side of system adopts visualization interface, utilizes menu item (JMenuItem), button (JButton), text box (JTextArea), tree assemblies such as (Tree), constructs the work space of convenience, practicality.Concrete graphical interfaces as shown in Figure 4.
System is based on the solution of Java platform.The characteristics of Java " once compiling, operation everywhere " that this has made system inherited.The server of system occurs with the form of Servlet.It starts along with the startup of WEB server.Start server interface referring to Fig. 8.
5.7 the effect of invention
1) technique effect
The √ system is an example of CSCW technical application. It is walked from theoretical research domestic CSCW technology To practical application positive effect is arranged.
The √ system be one towards the collaboration support instrument of making the field. It advances for the specific demand in the field of manufacturing Row is made to measure, has satisfied to greatest extent in the networked manufacturing process requirement to collaborative work.
The √ system has realized the organization and management to collaborative content. This is so that organization and management association efficiently of system Content together is convenient to the record to collaborative processes, and the later stage is to the retrieval of collaborative record.
The √ system has realized flexibly mechanism of authorization control based. System provides convenience, flexible, effectively control of authority Mechanism. This has guaranteed effective control of collaborative work and has carried out smoothly, also provides bigger for the user simultaneously Free space.
The √ system has realized a collaborative blank. The collaborative blank of system provides one to hand over paintbrush for the user The occasion of stream. Therefore, collaborative process becomes more vivid, lively.
The √ system has realized the collaborative browse to two dimensional image, 3-D graphic. System provides most of forms The support of two dimensional image and 3-D graphic. The user can to these figures or image carry out translation, rotation, The operations such as convergent-divergent.
The √ system has realized a multimedia cooperation interaction environment. By the exploitation to JMF, system has supported Audio frequency in the collaborative processes is mutual, video interactive, makes this virtual working environment more realistic.
The √ system provides friendly user interface. System adopts graphic user interface, and various Tooltip are provided And help, doing a lot of work aspect ease for use, the usability.
The √ system provides a highly integrated cooperative surroundings. Make the field to the need of collaborative work for networking Ask, the system integration collaborative browse of coordinated conversational, white board interactive, two dimensional image, the association of 3-D graphic With browse, the various tools such as audio frequency is mutual, video interactive.
The √ system adopts three-decker, is convenient to safeguard and upgrading. System adopts Browser/Server/Database three Layer structure, all programs and data all are stored in server end. This greatly facilitate system maintenance and Relevant human and material resources expenditure has been saved in upgrading.
The √ system has cross-platform characteristics. System is 100% Java solution, has inherited Java and has striden flat The advantage of platform. Under the support of relevant running environment, system can be at platforms such as Windows, Linux Upper trouble-free operation.
2) beneficial effect
√ greatly facilitates the interchange of making the related personnel
√ has saved the interchange cost greatly. 5.8. embodiment
The present invention obtains illustration in the design section of certain enterprise. By installation and the use of this software, can Be implemented in well between each designer of design process synergistic mechanism and to the control of whole design process System, successful, enterprise's reflection is good.

Claims (1)

1. collaborative support facility is made in a networking, it is characterized in that: the collaborative support facility of this networking manufacturing is made of subscriber interface module, coordinated conversational module, white board interactive module, X-Y scheme (image) collaborative browse module, three-dimensional picture collaborative browse module, basic communication module, audio frequency interactive module, video interactive module, Project administration module and security mechanism;
Subscriber interface module
Subscriber interface module is the window that native system and user carry out two-way interactive, and it is the external manifestation of each functional module and security mechanism based on other each functional module and security mechanism;
The coordinated conversational module
The coordinated conversational module is corresponding to the coordinated conversational function that system provided, and its communication is based on the basic communication module, and I/O depends on subscriber interface module;
The white board interactive module
White board interactive function in the white board interactive module realization system, this module is obtained input information from subscriber interface module, after this resume module, again output information is sent to subscriber interface module, and the communication of this module depends on the basic communication module;
X-Y scheme (image) collaborative browse module
The input of X-Y scheme (image) collaborative browse module is the operation of user to X-Y scheme (image), and output is the realizations of all user sides to this operation, and the I/O of this module reflects by subscriber interface module, realizes depending on the basic communication module;
Three-dimensional picture collaborative browse module
Three-dimensional picture collaborative browse module realizes the collaborative browse of all users to three-dimensional picture, and this module is reflection based on the basic communication module with the subscriber interface module;
The basic communication module
The basic communication module is the basis that native system is realized, it is the basis that coordinated conversational module, white board interactive module, X-Y scheme (image) collaborative browse module, three-dimensional picture collaborative browse module etc. provide communication, simultaneously, it also provides the possibility of realization for the Project administration module;
The audio frequency interactive module
Multidirectional real-time collection, transmission and the broadcast of sound in the audio frequency interactive module realization system, its active receiving is formed on the Project administration module, and its interface depends on subscriber interface module;
The video interactive module
The video interactive module realizes real-time multidirectional collection, transmission and the broadcast of image information between user side.Its I/O embodies in subscriber interface module, but it will be subjected to the scheduling of Project administration module;
The Project administration module
The Project administration module is the core of native system Work Process Management, it is according to user's demand, workflow and work habit, design standard, mode of operation easily, the action of coordinated conversational module, white board interactive module, X-Y scheme (image) collaborative browse module, three-dimensional picture collaborative browse module, audio frequency interactive module and video interactive module all will be decided by the Project administration module;
Security mechanism
Security mechanism provides the guarantee of secure context for the realization of subscriber interface module, and it is according to the function that subscriber interface module will be realized, provides to be fit to and the authority of safety.
CNB021395462A 2002-11-26 2002-11-26 Network manufacture cooperative supporting tool Expired - Fee Related CN1176438C (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1299475C (en) * 2004-04-28 2007-02-07 清华大学 Method for synchronized model browsing and operating in network supported cooperative design
CN1300691C (en) * 2005-01-10 2007-02-14 浙江大学 Predicting method for system lock in pattern coordinate design
CN101917463A (en) * 2010-07-22 2010-12-15 北京中恒博瑞数字电力科技有限公司 Networked coordination method of electric power graphs
CN102448023A (en) * 2010-09-30 2012-05-09 中国移动通信集团公司 Method and device for realizing group chat
US8281248B2 (en) 2007-02-14 2012-10-02 Software Ag Collaboration application and method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1299475C (en) * 2004-04-28 2007-02-07 清华大学 Method for synchronized model browsing and operating in network supported cooperative design
CN1300691C (en) * 2005-01-10 2007-02-14 浙江大学 Predicting method for system lock in pattern coordinate design
US8281248B2 (en) 2007-02-14 2012-10-02 Software Ag Collaboration application and method
CN101917463A (en) * 2010-07-22 2010-12-15 北京中恒博瑞数字电力科技有限公司 Networked coordination method of electric power graphs
CN101917463B (en) * 2010-07-22 2013-01-02 北京中恒博瑞数字电力科技有限公司 Networked coordination method of electric power graphs
CN102448023A (en) * 2010-09-30 2012-05-09 中国移动通信集团公司 Method and device for realizing group chat

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