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13 August 2015
- 14:4214:42, 13 August 2015 diff hist +589 5 PRESERVATION PERSPECTIVES No edit summary
- 14:3914:39, 13 August 2015 diff hist +25 4.3 INFORMATION PACKAGE TRANSFORMATIONS No edit summary
- 14:3814:38, 13 August 2015 diff hist +363 4.2.2 LOGICAL MODEL OF INFORMATION IN AN OPEN ARCHIVAL INFORMATION SYSTEM (OAIS) No edit summary
- 14:3714:37, 13 August 2015 diff hist +180 4.2.1.4 Taxonomy of Information Object Classes Used by OAIS No edit summary
- 14:3614:36, 13 August 2015 diff hist +96 4.2.1.3 Representation Information No edit summary
- 14:3614:36, 13 August 2015 diff hist +134 4.2 INFORMATION MODEL No edit summary
- 14:3414:34, 13 August 2015 diff hist +106 4.1 FUNCTIONAL MODEL No edit summary
- 14:3314:33, 13 August 2015 diff hist +1,701 4 DETAILED MODELS No edit summary
- 14:3214:32, 13 August 2015 diff hist +5 3.2 EXAMPLE MECHANISMS FOR DISCHARGING RESPONSIBILITIES No edit summary
- 14:3214:32, 13 August 2015 diff hist +14 3.2 EXAMPLE MECHANISMS FOR DISCHARGING RESPONSIBILITIES No edit summary
- 14:3114:31, 13 August 2015 diff hist +446 3 OAIS RESPONSIBILITIES No edit summary
- 14:3014:30, 13 August 2015 diff hist +2 2.3 OAIS HIGH-LEVEL EXTERNAL INTERACTIONS No edit summary
- 14:2714:27, 13 August 2015 diff hist −9 2.3 OAIS HIGH-LEVEL EXTERNAL INTERACTIONS No edit summary
- 14:2714:27, 13 August 2015 diff hist +1 2.3 OAIS HIGH-LEVEL EXTERNAL INTERACTIONS No edit summary
- 14:2714:27, 13 August 2015 diff hist +104 2.3 OAIS HIGH-LEVEL EXTERNAL INTERACTIONS No edit summary
- 14:2614:26, 13 August 2015 diff hist +343 2 OAIS CONCEPTS No edit summary
- 14:2514:25, 13 August 2015 diff hist +48 6.1.4 ARCHIVES WITH SHARED FUNCTIONAL AREAS No edit summary
- 14:2414:24, 13 August 2015 diff hist −49 6.1 TECHNICAL LEVELS OF INTERACTION BETWEEN OAIS ARCHIVES No edit summary
- 14:2414:24, 13 August 2015 diff hist +1 6.1 TECHNICAL LEVELS OF INTERACTION BETWEEN OAIS ARCHIVES No edit summary
- 14:2314:23, 13 August 2015 diff hist −12,767 6.1 TECHNICAL LEVELS OF INTERACTION BETWEEN OAIS ARCHIVES No edit summary
- 14:2214:22, 13 August 2015 diff hist +1,881 N 6.1.4 ARCHIVES WITH SHARED FUNCTIONAL AREAS Created page with "In an association involving Archives with shared functional areas, Management has entered into agreements with Archives to share or integrate functional areas. The motive for ..."
- 14:2114:21, 13 August 2015 diff hist +7,621 N 6.1.3 FEDERATED ARCHIVES Created page with "Federated Archives are conceptually Consumer-oriented. In addition to the Local Community (i.e., the original Designated Community served by the Archive), there exists a Globa..."
- 14:2014:20, 13 August 2015 diff hist +2,371 N 6.1.2 COOPERATING ARCHIVES Created page with " Cooperating Archives are based on standards agreements among two or more Archives. The simplest form of cooperation between Archives is when one Archive acts as a Consumer of..."
- 14:2014:20, 13 August 2015 diff hist +872 N 6.1.1 INDEPENDENT ARCHIVES Created page with " An independent Archive is assumed to serve only a single Designated Community. The Archive and the Designated Community must agree on the design of DIPs and Finding Aids. An ..."
- 14:1914:19, 13 August 2015 diff hist +106 5.2.2 PRESERVATION OF ACCESS SOFTWARE LOOK AND FEEL No edit summary
- 14:1914:19, 13 August 2015 diff hist +4 5.2 PRESERVATION OF ACCESS AND USE SERVICES No edit summary
- 14:1814:18, 13 August 2015 diff hist +2,365 N 5.2.2.1 Methodologies Involving Source Code Availability Created page with "The OAIS response to preserving an Access Software application execution service would likely depend, in part, on whether or not it had the source code for the application. If..."
- 14:1814:18, 13 August 2015 diff hist +3,827 N 5.2.2.2 Potential Emulation Approaches Created page with "There may be a mandatory requirement from the Designated Community to maintain the look and feel of proprietary Access Software because of the large number of AIUs that are de..."
- 14:1814:18, 13 August 2015 diff hist +16 5.2 PRESERVATION OF ACCESS AND USE SERVICES No edit summary
- 14:1814:18, 13 August 2015 diff hist −10,110 5.2 PRESERVATION OF ACCESS AND USE SERVICES No edit summary
- 14:1614:16, 13 August 2015 diff hist +2,089 N 5.2.2 PRESERVATION OF ACCESS SOFTWARE LOOK AND FEEL Created page with "The second scenario assumes that the Designated Community wishes to maintain the original ‘look and feel’ of the Content Information of a set of AIUs as presented by a spe..."
- 14:1614:16, 13 August 2015 diff hist +1,791 N 5.2.1 DISSEMINATION API Created page with " The first scenario assumes the Designated Community wishes to develop applications that can access AIPs using an Application Programming Interface (API) maintained by the OA..."
- 14:1414:14, 13 August 2015 diff hist +8 OAIS Structure No edit summary
- 14:1214:12, 13 August 2015 diff hist +2,790 N 5.1.2 MIGRATION CONTEXT Created page with "Key functional and information modeling concepts from section 4, as they relate to migration perspectives, are summarized in figure 5-1. '''Figure 5-1: Conceptual View of Re..."
- 14:1214:12, 13 August 2015 diff hist +3,535 N 5.1.3 MIGRATION TYPES Created page with "Based on the models and concepts above, it is possible to identify four primary Digital Migration types. The primary types, ordered by increasing risk of information loss, are..."
- 14:1214:12, 13 August 2015 diff hist +566 N 5.1.3.1 Refreshment Created page with "A migration involves Refreshment when the effect is to replace a media instance with a copy that is sufficiently exact that all Archival Storage hardware and software continue..."
- 14:1214:12, 13 August 2015 diff hist +894 N 5.1.3.2 Replication Created page with "A migration involves Replication when there are no bit changes to the Packaging Information, the Content Information, and the PDI. Ensuring that none of these bits has changed..."
- 14:1114:11, 13 August 2015 diff hist +1,895 N 5.1.1 DIGITAL MIGRATION MOTIVATORS Created page with " Three major motivators are seen to drive Digital Migrations of AIPs within an OAIS. These are: – Improved Cost-Effectiveness: The rapid pace of hardware (e.g., disk/tape d..."
- 14:1114:11, 13 August 2015 diff hist +7 5.1 DIGITAL MIGRATION No edit summary
- 14:1014:10, 13 August 2015 diff hist −24,433 5.1 DIGITAL MIGRATION No edit summary
- 14:0914:09, 13 August 2015 diff hist +1,090 N 5.1.3.3 Repackaging Created page with "A migration involves Repackaging when there is some change to the Packaging Information during the transfer. The Packaging Information plays the critical role of delimiting an..."
- 14:0814:08, 13 August 2015 diff hist +2,740 N 5.1.3.5 Distinguishing AIP Versions, AIP Editions and Derived AIPs Created page with "Unless a Digital Migration involves Transformation, it is not considered to create a new AIP Version and it is not required that its PDI be updated. In other words, the AIP ve..."
- 14:0714:07, 13 August 2015 diff hist +11,053 N 5.1.3.4 Transformation Created page with " Digital Migrations that require some changes to the Content Information or PDI are referred to as Transformations. These changes will be to some of the bits in the Content In..."
- 13:1813:18, 13 August 2015 diff hist −7 4.3 INFORMATION PACKAGE TRANSFORMATIONS No edit summary
- 13:1813:18, 13 August 2015 diff hist −11,692 4.3 INFORMATION PACKAGE TRANSFORMATIONS No edit summary
- 13:1713:17, 13 August 2015 diff hist +3,688 N 4.3.4 DATA FLOWS AND TRANSFORMATIONS IN THE ACCESS FUNCTIONAL AREA Created page with "When a Consumer wishes to use the data within the OAIS, a Finding Aid may be used to locate information of interest. Finding Aids present Consumers with the logical view of th..."
- 13:1713:17, 13 August 2015 diff hist +1,270 N 4.3.3 DATA TRANSFORMATIONS IN THE ARCHIVAL STORAGE AND DATA MANAGEMENT FUNCTIONAL AREAS Created page with "The Archival Storage Functional Entity takes the AIPs produced by the Ingest process and merges them into the permanent Archive holdings. The Data Management Functional Entity..."
- 13:1613:16, 13 August 2015 diff hist +5,042 N 4.3.2 DATA TRANSFORMATIONS IN THE INGEST FUNCTIONAL AREA Created page with " Once the SIP is within the OAIS, its form and content may change. An OAIS is not always required to retain the information submitted to it in precisely the same format as in..."
- 13:1613:16, 13 August 2015 diff hist +1,663 N 4.3.1 DATA TRANSFORMATIONS IN THE PRODUCER ENTITY Created page with "The data within the data Producer entity are private and may be in any format the Producer desires. However, when the decision is made to store the data in an OAIS, the Produc..."
- 13:1513:15, 13 August 2015 diff hist +13 4.2 INFORMATION MODEL No edit summary
- 13:1313:13, 13 August 2015 diff hist −37 4.2 INFORMATION MODEL No edit summary
- 13:1213:12, 13 August 2015 diff hist +19 4.2 INFORMATION MODEL No edit summary
- 13:1213:12, 13 August 2015 diff hist −60,248 4.2 INFORMATION MODEL No edit summary
- 13:1013:10, 13 August 2015 diff hist +1 4.2.2.6 Unit Description No edit summary
- 13:0913:09, 13 August 2015 diff hist +2,581 N 4.2.3 DATA MANAGEMENT INFORMATION Created page with "Currently, Package Descriptions are stored in persistent storage such as database management systems to enable easy, flexible access and update to the contained Associated Des..."
- 13:0813:08, 13 August 2015 diff hist +3,842 N 4.2.2.8 Collection Descriptions Created page with "The '''Collection Description''' is a subtype of the Package Description that has added structures to better handle the complex Content Information of an AIC. The Collection D..."
- 13:0813:08, 13 August 2015 diff hist +2,952 N 4.2.2.7 Archival Information Collections Created page with " The AIU and its associated Unit Description provide the information necessary for a Consumer to locate and order AIUs of interest. However, it can be impossible for a Consume..."
- 13:0813:08, 13 August 2015 diff hist +2,824 N 4.2.2.6 Unit Description Created page with "he Unit Description is a specialization of the Package Description that always contains a set of Associated Descriptions each of which describe the AIU Content Information fro..."
- 13:0713:07, 13 August 2015 diff hist +1,647 N 4.2.2.5 Archival Information Unit Created page with "The AIUs can be viewed as the ‘atoms’ of information that the Archive is tasked to store. A single AIU contains exactly one Content Information object (which may consist o..."
- 13:0713:07, 13 August 2015 diff hist +2,969 N 4.2.2.4 Specialization of the AIP and Package Descriptions Created page with "Two specializations of the AIP are discussed in this subsection, the Archival Information Unit (AIU) and the Archive Information Collection (AIC). Figure 4-19 is a UML diagram..."
- 13:0613:06, 13 August 2015 diff hist +5,291 N 4.2.2.3 The Archival Information Package Created page with "An Archival Information Package (AIP), which is modeled in figure 4-15, is a specialization of the Information Package. The AIP is defined to provide a concise way of referrin..."
- 13:0613:06, 13 August 2015 diff hist +5,049 N 4.2.2.2 Types of Information Packages Created page with "There are three subtypes of the Information Package identified in 2.2: the Submission Information Package (SIP), the Archival Information Package (AIP), and the Dissemination ..."
- 13:0513:05, 13 August 2015 diff hist +1,317 N 4.2.2.1 Information Package Created page with "The conceptual structure for supporting Long Term Preservation of information is the Information Package. An Information Package is a container that contains two types of Info..."
- 13:0513:05, 13 August 2015 diff hist +558 N 4.2.2 LOGICAL MODEL OF INFORMATION IN AN OPEN ARCHIVAL INFORMATION SYSTEM (OAIS) Created page with " The previous subsection defines the types of Information Objects that are needed by an OAIS to enable the Long Term Preservation of information and effective access to the pr..."
- 13:0513:05, 13 August 2015 diff hist +929 N 4.2.1.4.4 Descriptive Information Created page with "The Information Objects described previously in this section provide the information necessary to enable the Long Term Preservation function of the Archive. In addition to pre..."
- 13:0313:03, 13 August 2015 diff hist +673 4.2.1.4.3 Packaging Information No edit summary
- 13:0313:03, 13 August 2015 diff hist −1,644 4.2.1.4.2 Preservation Description Information No edit summary
- 13:0213:02, 13 August 2015 diff hist +929 N 4.2.1.4.3 Packaging Information Created page with "The Information Objects described previously in this section provide the information necessary to enable the Long Term Preservation function of the Archive. In addition to pre..."
- 13:0213:02, 13 August 2015 diff hist +5,731 N 4.2.1.4.2 Preservation Description Information Created page with " In addition to Content Information, the Archival Information Package must include information that will support the trust in, the access to and context of the Content Informa..."
- 13:0113:01, 13 August 2015 diff hist +11,202 N 4.2.1.4.1 Content Information Created page with " The Content Information is the set of information that is the original target of preservation by the OAIS. Deciding what the Content Information is may not be obvious and may..."
- 13:0013:00, 13 August 2015 diff hist +1,062 N 4.2.1.4 Taxonomy of Information Object Classes Used by OAIS Created page with "There are many types of information involved in the Long Term Preservation of information in an OAIS. Each of these types can be viewed as a complete Information Object in tha..."
- 13:0013:00, 13 August 2015 diff hist +6,233 N 4.2.1.3.2 Representation Networks Created page with "Representation Information, which is itself an Information Object, may be expressed in physical forms (e.g., a paper document) or in digital forms. When the Representation Inf..."
- 13:0013:00, 13 August 2015 diff hist +4,011 N 4.2.1.3.1 Representation Information Types Created page with "The Digital Object, as shown in figure 4-10, is itself composed of one or more bit sequences. The purpose of the Representation Information object is to convert the bit sequen..."
- 12:5912:59, 13 August 2015 diff hist +1,131 N 4.2.1.3 Representation Information Created page with "The Representation Information accompanying a digital object, or sequence of bits, is used to provide additional meaning. It typically maps the bits into commonly recognized d..."
- 12:5912:59, 13 August 2015 diff hist +272 N 4.2.1.2 Data Object Created page with "The Data Object may be expressed as either a physical object (e.g., a moon rock) together with some Representation Information, or it may be expressed as a digital object (i.e..."
- 12:5912:59, 13 August 2015 diff hist +504 N 4.2.1.1 Information Object Created page with "A basic concept of the OAIS Reference Model is the concept of information being a combination of Data and Representation Information. The UML diagram in figure 4-10 illustrate..."
- 12:5812:58, 13 August 2015 diff hist −4 OAIS Structure No edit summary
- 12:5712:57, 13 August 2015 diff hist +68 OAIS Structure No edit summary
- 12:5612:56, 13 August 2015 diff hist −84 OAIS Structure No edit summary
- 12:5512:55, 13 August 2015 diff hist +6 3.2 EXAMPLE MECHANISMS FOR DISCHARGING RESPONSIBILITIES No edit summary
- 12:5512:55, 13 August 2015 diff hist −14,255 3.2 EXAMPLE MECHANISMS FOR DISCHARGING RESPONSIBILITIES Replaced content with "This subsection provides example mechanisms for discharging the responsibilities of 3.1. Not all of these mechanisms will be applicable to all OAISes. 3.2.1 NEGOTIATES FOR..."
- 12:5312:53, 13 August 2015 diff hist −3 4.1 FUNCTIONAL MODEL No edit summary
- 12:5312:53, 13 August 2015 diff hist −10 4.1 FUNCTIONAL MODEL No edit summary
- 12:5212:52, 13 August 2015 diff hist −39 4.1 FUNCTIONAL MODEL No edit summary
- 12:5112:51, 13 August 2015 diff hist −39,644 4.1 FUNCTIONAL MODEL No edit summary
- 12:5012:50, 13 August 2015 diff hist +2,586 N 4.1.2 DATA FLOW DIAGRAMS Created page with "The flow of data items among the OAIS functional entities is diagrammed in this subsection. Figure 4-8 shows the more significant data flows. To avoid complicating this figure..."
- 12:5012:50, 13 August 2015 diff hist +4,011 N 4.1.1.7 Access Created page with " The functions of the Access Functional Entity are illustrated in figure 4-7. '''Figure 4-7: Functions of the Access Functional Entity''' The '''Coordinate Access Activiti..."
- 12:4912:49, 13 August 2015 diff hist +5,932 N 4.1.1.6 Preservation Planning Created page with " The functions of the Preservation Planning Functional Entity are illustrated in figure 4-6. '''Figure 4-6: Functions of the Preservation Planning Functional Entity''' The '..."
- 12:4912:49, 13 August 2015 diff hist +7,712 N 4.1.1.5 Administration Created page with " The functions of the Administration Functional Entity are illustrated in figure 4-5. As stated above (see page 4-3) some of the activities detailed in this section will not ..."
- 12:4812:48, 13 August 2015 diff hist +2,467 N 4.1.1.4 Data Management Created page with " The functions of the Data Management Functional Entity are illustrated in figure 4-4. '''Figure 4-4: Functions of the Data Management Functional Entity''' The '''Administe..."
- 12:4812:48, 13 August 2015 diff hist +5,182 N 4.1.1.3 Archival Storage Created page with "The functions of the Archival Storage Functional Entity are illustrated in figure 4-3. The term ‘media’ is used to designate one or more mechanisms, local or remote, for s..."
- 12:4712:47, 13 August 2015 diff hist +5,653 N 4.1.1.2 Ingest Created page with "The functions of the Ingest Functional Entity are illustrated in figure 4-2. '''Figure 4-2: Functions of the Ingest Functional Entity''' The '''Receive Submission''' functio..."
- 12:4712:47, 13 August 2015 diff hist +5,263 N 4.1.1.1 Common Services Created page with " Modern, distributed computing applications assume a number of supporting services such as inter-process communication, name services, temporary storage allocation, exception ..."
- 12:4712:47, 13 August 2015 diff hist +821 N 4.1.1 DETAILED DESCRIPTION OF FUNCTIONAL ENTITIES Created page with "== 4.1.1 DETAILED DESCRIPTION OF FUNCTIONAL ENTITIES == In the following subsections, specific flows of information among the functional entities are identified in italics t..."
- 12:4612:46, 13 August 2015 diff hist +217 3.2.5 FOLLOWS ESTABLISHED PRESERVATION POLICIES AND PROCEDURES No edit summary
- 12:4512:45, 13 August 2015 diff hist +1,173 N 3.2.6 MAKES THE INFORMATION AVAILABLE Created page with "By definition, an OAIS makes the Content Information in its AIPs visible and available to its Designated Communities. Multiple views of its holdings, supported by various sear..."
- 12:4512:45, 13 August 2015 diff hist −1,827 3.2.5 FOLLOWS ESTABLISHED PRESERVATION POLICIES AND PROCEDURES No edit summary
- 12:4412:44, 13 August 2015 diff hist +3,362 N 3.2.4 ENSURES INFORMATION IS INDEPENDENTLY UNDERSTANDABLE Created page with " The degree to which Content Information and its associated PDI conveys information to a Designated Community is, in general, quite subjective. Nevertheless, it is essential t..."
- 12:4312:43, 13 August 2015 diff hist +3,361 N 3.2.5 FOLLOWS ESTABLISHED PRESERVATION POLICIES AND PROCEDURES Created page with "The degree to which Content Information and its associated PDI conveys information to a Designated Community is, in general, quite subjective. Nevertheless, it is essential th..."
- 12:4312:43, 13 August 2015 diff hist +1,964 N 3.2.3 DETERMINES DESIGNATED COMMUNITY Created page with " The submission, or planned submission, of Content Information and associated PDI requires a determination as to who the expected Consumers, or Designated Community, of this i..."