CN102054235B - Method and device for building institutional repository based on digital resource service component model - Google Patents
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Abstract
The invention provides a method and device for building n institutional repository based on a digital resource service component model. By obtaining a digital resource service component model, the institutional repository of an enterprise or an organization is quickly built with the support of a mode of utilizing cloud service based on the model. The provided digital resource service component model causes application based on the model to have the maximum flexibility, and the processes of development, combination and deployment are simplified when a solution for digital resource management is built. In addition, the transportability, reusability and expandability of the application can be improved when the digital resource is managed.
Description
Technical field
The present invention relates to digital asset management technical field, particularly relate to a kind of mechanism based on digital resource services component model storage building method and device.
Background technology
Along with digitized process is constantly accelerated, enterprise and organization internal can produce the more and more huger digital resource of number, and this has brought very large difficulty and complicacy to the management of digital resource.Mechanism storage is a kind of special on-line system for collect, preservation and spreading digital resource, therefore increasing enterprise and organize and all wish to create the one's own mechanism administering digital resource of storing in a warehouse.
In digital library field, digital object is often referred to the digital content being stored in digital library.Digital object is encapsulated by the multi-medium data of text, image, video, electronic journal, data set, metadata and other form with to the operation of these data by data stream (Datastream).Fedora is the open-source digital resource storage management system based on Java language.At present, a lot of enterprises can buy this digital asset management system and complete the management of huge digital resource, and in its specific implementation, a digital object model of Fedora definition comprises following element:
1.PID: a lasting unique identifier of object;
2.Object properties (object properties): the description attribute of a set of system definition, these attributes to management and follow the tracks of in knowledge base to as if very necessary;
3.Datastream (s) (data stream): the content item that is used for representing mime type.An object can have one or more data stream.The content of a data stream is data or metadata, and it both can be stored in Fedora knowledge base, also can be by remote storage (this content of pointed of URL form for Fedora in this case).Each object has the Dublin Core metadata data stream of an acquiescence;
4.Disseminator (s) (blazer): object and external service are combined, object be to provide an object or object data stream contents can extended view.An object can have zero or multiple blazer.
But building and realizing of existing digital asset management solution or mechanism storage is often portable and reusability is poor, brings many extra expenses to enterprise.
Therefore, need at present the urgent technical matters solving of those skilled in the art to be exactly: how can innovate and to propose a kind of effective measures, to solve the defect existing in prior art, the dirigibility that effectively improves digital asset management, reduces the spending of enterprise.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of mechanism based on digital resource services component model storage building method and device, in order to the dirigibility of effective raising digital asset management, reduces the spending of enterprise.
In order to address the above problem, the invention discloses a kind of mechanism based on digital resource services component model storage building method, described method comprises:
Obtain digital resource services component model; Described digital resource services component model comprises identification means, metadata member, content component, daily record member and five atomic service members of mark member;
The attribute of described identification means comprises the unique identifier of obtained digital resource, log-on message and points to the pointer of other four atomic service members; Described pointer has been indicated the preservation address of this digital resource out of Memory, and points relationship is 1:N; And identification means externally provides registration, search and positioning service;
The attribute of described metadata member comprises the relation between metadata information and this data resource and other digital resource of obtained digital resource; And metadata member externally provides data manipulation and data acquisition service;
Obtain digital resource, and analyze attribute and the function of the digital resource that obtains;
The attribute of digital resource and function are divided in five atomic service members of digital resource services component model;
By calling successively the data characteristic of five atomic service component extraction digital resources;
After being gathered, fetched data characteristic represents;
Wherein, described in, obtain the mode of digital resource services component model for creating or calling data resource service component model.
Preferably, described services component comprises attribute, serves and quotes three parts.
Preferably, described content component attribute comprises the miscellaneous editions of the content of obtained digital resource; Described miscellaneous editions comprises different creation-times, different content form and the corresponding version of different founder; And content component externally provides the upload and download service to resource content.
Preferably, the attribute of described daily record member comprises the result of operator, action type, operation text and operation to obtained digital resource executable operations; And daily record member externally provides log recording and log analysis service.
Preferably, the attribute of described mark member comprises marking, label, comment and the use state of obtained digital resource; And the service that mark member externally provides mark records and obtains mark.
The present invention also provides the storage of a kind of mechanism based on digital resource services component model to build device, and described device comprises:
The first processing module, for obtaining digital resource services component model; Described digital resource services component model comprises identification means, metadata member, content component, daily record member and five atomic service members of mark member;
The attribute of described identification means comprises the unique identifier of obtained digital resource, log-on message and points to the pointer of other four atomic service members; Described pointer has been indicated the preservation address of this digital resource out of Memory, and points relationship is 1:N; And identification means externally provides registration, search and positioning service;
The attribute of described metadata member comprises the relation between metadata information and this data resource and other digital resource of obtained digital resource; And metadata member externally provides data manipulation and data acquisition service;
The second processing module, for obtaining digital resource, and attribute and the function of the analysis digital resource that obtains;
The 3rd processing module, for being divided into the attribute of digital resource and function five atomic service members of digital resource services component model;
The 4th processing module, for by the data characteristic that calls successively five atomic service component extraction digital resources;
The 5th processing module represents after fetched data characteristic is gathered;
Wherein, described the first processing module completes obtaining of data resource services component model by the mode that creates or call.
Compared with prior art, the present invention has the following advantages:
The present invention is by obtaining digital resource services component model, and by the form of cloud service, support the mechanism of fast construction enterprise or tissue to store in a warehouse based on this model, by utilizing services component framework, realize cloud service, the digital resource services component model proposing can make to have maximum dirigibility based on the application of this model, make when building the solution of a digital asset management, exploitation, combination and the process of disposing all become and have simplified, and when administering digital resource, have improved portability, reusability and the extensibility of application.
In addition,, by keeping rear end technology to realize transparent to mechanism, also greatly alleviated the exploitation pressure that mechanism itself faces.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of a kind of mechanism based on the digital resource services component model storage building method described in the embodiment of the present invention one;
Fig. 2 is the composition schematic diagram of a services component described in the embodiment of the present invention one;
Fig. 3 is the structural representation of the digital resource services component model described in the embodiment of the present invention one;
Fig. 4 is the schematic diagram that is related between five atomic service members described in the embodiment of the present invention one;
Fig. 5 is the schematic diagram that mode that the use described in the embodiment of the present invention one is different creates a management system and come the multiple different implementations of administering digital resource;
Fig. 6 is the schematic diagram of the framework of the each member place system that cloud service is externally provided described in the embodiment of the present invention one;
Fig. 7 is the schematic diagram of the framework of the whole mechanism storage described in the embodiment of the present invention one;
Fig. 8 is the schematic diagram of the process of the establishment mechanism storage described in the embodiment of the present invention one;
Fig. 9 is the structural drawing that device is built in a kind of mechanism based on the digital resource services component model storage described in the embodiment of the present invention two.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment mono-:
With reference to Fig. 1, show the process flow diagram of a kind of mechanism based on digital resource services component model of the present invention storage building method, described method specifically comprises:
Step S101, obtains digital resource services component model; Described digital resource services component model comprises identification means, metadata member, content component, daily record member and five atomic service members of mark member;
In field of software engineering, services component framework (Service Component Architecture, SCA) is a set of programming model that can be used for building the application system based on service-oriented.The key concept of SCA is service and related realization thereof: service is by interface definition, and interface comprises one group of operation.Service realizes can quote other services, is called and quotes.Service can have one or more attributes, and these attributes are can be in the data of exterior arrangement.
In addition, in recent years, the concept of cloud computing was flourish.Cloud computing (Cloud Computing) is the product that the traditional calculations machine technologies such as grid computing (Grid Computing), Distributed Calculation (Distributed Computing), parallel computation (Parallel Computing), effectiveness calculating (Utility Computing), the network storage (NetworkStorage), virtual (Virtualization), load balancing (Load Balance) merge mutually with network technical development.It is intended to, by network, computational entity relatively low multiple costs is integrated into a perfect system with powerful calculating ability, and by the advanced business model such as SaaS, PaaS, IaaS, MSP this powerful computing power with the formal distribution of cloud service in terminal user's hand.A core concept of cloud service, exactly by improving constantly the processing power of " cloud ", reduces the processing load of user terminal, finally makes user terminal be simplified to a simple input-output device, and can enjoy as required the powerful computing ability of " cloud ".
Method described in the present embodiment, on the basis of digital object model, utilizes the thought of services component framework to expand it.By utilizing services component framework, realize cloud service, the digital resource services component model proposing can make to have maximum dirigibility based on the application of this model, it makes when building the solution of a digital asset management, and exploitation, combination and the process of disposing all become and simplified; And portability, reusability and the extensibility of application when administering digital resource, have been improved; Meanwhile, by keeping rear end technology to realize transparent to mechanism, also greatly alleviated the exploitation pressure that mechanism itself faces.
Preferably, described in, obtain the mode of digital resource services component model for creating and calling data resource service component model.
Preferably, described services component comprises attribute, serves and quotes three parts.
In actual application, create as the case may be or call number resource service member, concrete, (Digital Resource Service Component Model, DRSC Model) is as described below for digital resource services component model:
A services component (Service Component) is by attribute (Properties), service (Services) and quote (References) three and partly form, referring to Fig. 2.This member provides service to export-oriented other member, the service that it also can mode by reference uses other member to provide, and the attribute of services component is can be in the data of exterior arrangement.
The base unit of digital resource services component model (DRSC Model) is digital resource services component object (DRSC Object), and its structure as shown in Figure 3.A digital resource service component object is comprised of five atomic service members, that is: identification means (ID), metadata member (Metadata), content component (Content), daily record member (Log) and mark member (Annotation).
Preferably, the attribute of described identification means comprises the unique identifier of obtained digital resource, log-on message and points to the pointer of other four atomic service members; Described pointer has been indicated the preservation address of this digital resource out of Memory, and points relationship is 1:N; And identification means externally provides registration, search and positioning service.
Preferably, the attribute of described metadata member comprises the relation between metadata information and this data resource and other digital resource of obtained digital resource; And metadata member externally provides data manipulation and data acquisition service.
Preferably, described content component attribute comprises the miscellaneous editions of the content of obtained digital resource; Described miscellaneous editions comprises different creation-times, different content form and the corresponding version of different founder; And content component externally provides the upload and download service to resource content.
Preferably, the attribute of described daily record member comprises the result of operator, action type, operation text and operation to obtained digital resource executable operations; And daily record member externally provides log recording and log analysis service.
Preferably, the attribute of described mark member comprises marking, label, comment and the use state of obtained digital resource; And the service that mark member externally provides mark records and obtains mark.
Concretely, the attribute of identification means (ID Component) comprises identifier, the log-on message that the overall situation is unique and points to the pointer of other member.The address that the pointer that identification means is pointed to other member has indicated the out of Memory of same digital resource to preserve, the relation of this sensing is 1:N.Identification means externally provides registration, search and positioning service; The attribute of metadata member (Metadata Component) not only comprises the metadata information of a digital resource service component object (DRSC Object), has also comprised the relation between this object and other object simultaneously.This relation is to realize by the form of two tuples, for example (ID2, " father ") this two tuple can represent current this to as if the father of object take ID2 as sign.Metadata member externally provides data manipulation and data acquisition service; The attribute of content component (Content Component) comprises the miscellaneous editions of the content of a digital resource, and described miscellaneous editions is concrete comprises some information such as creation-time, content format, founder etc.Content component externally provides the upload and download service to resource content; The attribute of daily record member (LogComponent) comprises the result for the operator of an object executable operations, action type, operation text and operation.Daily record member externally provides log recording and log analysis service; The attribute of mark member (Annotation Component) comprises marking, label, comment and use state.Conventionally can be with the hexa-atomic group of mark representing an object; for example < user; resource; score, tags, comments; this six element group representation of usage-status > user user marks resource resource; provided marking score, label tags, comment comments and the state of use usage-status information.The service that mark member externally provides mark records and obtains mark.
More specifically, relation between five atomic service members is as shown in Figure 4: identification means and other four direct adduction relationships of member are all 1:N, that is: for same digital resource, identification means can produce a unique identifier of the overall situation and represent this resource, but for same resource, may preserve many parts of metadata, multiple different digital contents, many different log recordings and many different markup informations.In addition, the adduction relationship between metadata member and content component is also 1:N, and the resource of certain a metadata representative may corresponding multiple different digital contents (different editions of for example same resource).
Owing to having adopted the thought of services component framework, each member externally provides the service of oneself relatively independently, between member and member, can quote mutually, and each member is by the to one's name data in compass of competency of attribute definition.Like this, both be conducive to the decoupling zero of difference in functionality, also reached the object of reusing, the more important thing is, provide the member of service not only only on a machine, to exist, also may be distributed on whole internet, so just utilize more fully the advantage of " cloud " to reach shared this object better.
In application, the digital resource services component model based on proposed, the general digital resources mechanisms storage of building an enterprise or tissue.
Step S102, obtains digital resource, and analyzes attribute and the function of the digital resource that obtains;
Step S103, is divided into the attribute of digital resource and function in five atomic service members of digital resource services component model;
By obtaining digital resource, and analyze attribute and the function of accessed digital resource, the attribute of this class resource and function are divided in five atomic service members and are gone.
Step S104, by calling successively the data characteristic of five atomic service component extraction digital resources;
Step S105, represents after fetched data characteristic is gathered.
Complete after division work, by calling successively five atomic service members, obtaining the data characteristic of digital resource, completing after the work of obtaining, after the data characteristic obtaining is gathered, showing from five atomic service members.
In actual application, also can be understood as: by different modes, create a management system and manage these resources.Concrete, it has multiple different implementation, can be referring to Fig. 5.
The first be create one independently regional system carry out administering digital resource, this system must comprise five atomic service members, and a special DRSC management component.Mechanism's storage of conventionally building by this way only operates on many machines in a machine or LAN (Local Area Network); The second is only to create special DRSC management component, other five services that atomic service member is used member available on internet to provide.The mechanism storage of building by this way only need to move an application that the service of DRSC management component is provided, and other data are all kept in " cloud " of internet rather than this locality; The third is more extreme, directly, in " cloud " of internet, by certain interface, creates DRSC management component, DRSC management component call again on internet can with the service that provides of member complete the management of digital resource.Mechanism's storage of building by this way, all data are all kept in " cloud " of internet.
By the method described in the present embodiment with concrete implement to do further combined with after be introduced, in embodiment, the designed and digital resource services component model that proposes, depends on the cloud service on internet.The framework of each member place system that cloud service is externally provided can represent with Fig. 6: the bottom is network infrastructure layer, and this one deck provides basic network communication.On network infrastructure layer, there are three kinds of different data storage mechanism: relevant database, XML database and the file set based on file system.On this, be data access layer, the access of the data to using these three kinds of different memory mechanism storages is provided.In addition on, be logical layer, this one deck, by using the data of obtaining from data access layer, is realized some service logics that cloud service need to complete.Be up ESB (EnterpriseService Bus) layer based on SCA again, by using ESB, the service externally providing can realize by different modes, also supports multiple different host-host protocol simultaneously.On event response layer, after the request that receives user interface layer, the interface that calling ESB provides responds and returns results.
The framework of whole mechanism storage is referring to Fig. 7: the bottom is network infrastructure layer, and this one deck provides basic network communication.Is " cloud " service layer on network infrastructure layer, and this one deck has comprised five services that atomic service member provides mentioned above, they respectively: identification means, metadata member, content component, daily record member and mark member.Be up ESB (the Enterprise Service Bus) layer based on SCA again, by using ESB, the service externally providing can realize by different modes, also supports multiple different host-host protocol simultaneously.ESB layer based on SCA can provide to upper strata two kinds of different services, and one is Web service, and one is the mixed service of taking.By using five services that Atomic component provides by ESB layer below, the logical layer of mechanism's storage has been used for the necessary service logic of some administering digital resources, and on logical layer, can also build different application, offers terminal user and uses.
The process that creates mechanism storage is referring to Fig. 8: because the management of same class digital resource is homogeneity, so the mode that only need to can automatically generate by code according to the authority management module of the template file in form work engineering, description to this class digital resource characteristic and engineering inside produce the higher management code of this class digital resource mechanism storage.The service (no matter these services derive from " cloud " on this locality or internet) that higher management code provides by calling five atomic service members, just can complete the management to a class digital resource.For enterprise or tissue, adopt this model to create mechanism's storage, the not only clear logic of management, and owing to having adopted the thought of services component framework, greatly increased the extensibility of mechanism's storage and the reusability of each individual member.
Adopt the method described in the present embodiment, by utilizing services component framework, realize cloud service, the digital resource services component model proposing can make to have maximum dirigibility based on the application of this model, make when building the solution of a digital asset management, exploitation, combination and the process of disposing all become and have simplified, and portability, reusability and the extensibility of application when administering digital resource, have been improved, simultaneously, by keeping rear end technology to realize transparent to mechanism, also greatly alleviated the exploitation pressure that mechanism itself faces.
Embodiment bis-:
With reference to Fig. 9, show a kind of mechanism based on digital resource services component model of the present invention storage and build the structural drawing of device, described device specifically comprises:
The first processing module 901, for obtaining digital resource services component model; Described digital resource services component model comprises identification means, metadata member, content component, daily record member and five atomic service members of mark member;
The second processing module 902, for obtaining digital resource, and attribute and the function of the analysis digital resource that obtains;
The 3rd processing module 903, for being divided into the attribute of digital resource and function five atomic service members of digital resource services component model;
The 4th processing module 904, for by the data characteristic that calls successively five atomic service component extraction digital resources;
The 5th processing module 905 represents after fetched data characteristic is gathered.
Preferably, described the first processing module 901 completes obtaining of data resource services component model by the mode that creates or call.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and each embodiment stresses is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
Above a kind of mechanism based on digital resource services component model storage building method provided by the present invention and device are described in detail, applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (6)
1. the storage of the mechanism based on a digital resource services component model building method, is characterized in that, described method comprises:
Obtain digital resource services component model; Described digital resource services component model comprises identification means, metadata member, content component, daily record member and five atomic service members of mark member;
The attribute of described identification means comprises the unique identifier of obtained digital resource, log-on message and points to the pointer of other four atomic service members; Described pointer has been indicated the preservation address of this digital resource out of Memory, and points relationship is 1:N; And identification means externally provides registration, search and positioning service;
The attribute of described metadata member comprises the relation between metadata information and this data resource and other digital resource of obtained digital resource; And metadata member externally provides data manipulation and data acquisition service; Relation between described this data resource and other digital resource realizes by the form of two tuples;
Obtain digital resource, and analyze attribute and the function of the digital resource that obtains;
The attribute of digital resource and function are divided in five atomic service members of digital resource services component model;
By calling successively the data characteristic of five atomic service component extraction digital resources;
After being gathered, fetched data characteristic represents;
Wherein, described in, obtain the mode of digital resource services component model for creating or calling data resource service component model.
2. method according to claim 1, is characterized in that:
Described services component comprises attribute, serves and quotes three parts.
3. method according to claim 1, is characterized in that:
Described content component attribute comprises the miscellaneous editions of the content of obtained digital resource; Described miscellaneous editions comprises different creation-times, different content form and the corresponding version of different founder; And content component externally provides the upload and download service to resource content.
4. method according to claim 1, is characterized in that:
The attribute of described daily record member comprises the result of operator, action type, operation text and operation to obtained digital resource executable operations; And daily record member externally provides log recording and log analysis service.
5. method according to claim 1, is characterized in that:
The attribute of described mark member comprises marking, label, comment and the use state of obtained digital resource; And the service that mark member externally provides mark records and obtains mark.
6. a device is built in the storage of the mechanism based on digital resource services component model, it is characterized in that, described device comprises:
The first processing module, for obtaining digital resource services component model; Described digital resource services component model comprises identification means, metadata member, content component, daily record member and five atomic service members of mark member;
The attribute of described identification means comprises the unique identifier of obtained digital resource, log-on message and points to the pointer of other four atomic service members; Described pointer has been indicated the preservation address of this digital resource out of Memory, and points relationship is 1:N; And identification means externally provides registration, search and positioning service;
The attribute of described metadata member comprises the relation between metadata information and this data resource and other digital resource of obtained digital resource; And metadata member externally provides data manipulation and data acquisition service; Relation between described this data resource and other digital resource realizes by the form of two tuples;
The second processing module, for obtaining digital resource, and attribute and the function of the analysis digital resource that obtains;
The 3rd processing module, for being divided into the attribute of digital resource and function five atomic service members of digital resource services component model;
The 4th processing module, for by the data characteristic that calls successively five atomic service component extraction digital resources;
The 5th processing module represents after fetched data characteristic is gathered;
Wherein, described the first processing module completes obtaining of data resource services component model by the mode that creates or call.
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| CN101763428A (en) * | 2010-01-04 | 2010-06-30 | 山东浪潮齐鲁软件产业股份有限公司 | Registering, storing, managing and applying system of SOA for web services |
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| 基于SOA的数字资源管理与服务平台的设计与实现;齐畅;《中国优秀博硕士论文全文数据库》;中国学术期刊（光盘版）电子杂志社;20060831(第08期);第9-53页 * |
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