technical metadata examples

Ian H. Witten, ... David M. Nichols, in How to Build a Digital Library (Second Edition), 2010. EXIF is almost universal in consumer electronics but is restricted to certain image types, whereas MIX, being relatively new, is not yet widely used. ), tables, and indexes; ETL tools need to define fields, mappings between source and targets, transformations, and workflows; and BI tools need to describe fields and reports. However, without meaningful documentation, the project staff may spend more time dealing with technical problems, repeatedly researching and collecting information, and implementing different flavours of the same technical solutions. Operational metadata should not be classified as a 3rd type of a metadata as it is a type of technical metadata. DW objects 8. Examples. Examples of operational metadata include ETL Load Date, Update Date, Load Cycle Identifier, Current Flag Indicator, Operational System (s) Identifier, Active in Operational System Flag and Confidence Level Indicator. Business metadata details other information about the data, such as keywords related to the meta object or notes about the meta object. The XMP metadata itself is embedded in files in a serialized Packet, optionally surrounded by a wrapper consisting of a Header, Padding, and Trailer sections. Those two types illustrate both business and technical … The Library of Congress' Network Development and MARC Standards Office, in partnership with the NISO Technical Metadata for Digital Still Images Standards Committee and other interested experts, is developing an XML schema for a set of technical data elements required to manage digital image collections. Transformations that were performed on which source data to produce data in the data warehouse/datamart. It is important to know what should be documented and what need not be kept. Building a Scalable Data Warehouse with Data Vault 2.0, How to Build a Digital Library (Second Edition), The exchangeable image file format (EXIF) is a standard for embedding, Iris Xie PhD, Krystyna K. Matusiak PhD, in, Different types of metadata are recorded in digital libraries. Technical Metadata Example: (Visited 7,877 times, 3 visits today) The definition of technical metadata is usually more complex than the business metadata and it sometimes involves multiple dependencies. This knowledge only comes from experience. The main types of metadata are descriptive, structural and administrative. Miller (2011) classifies metadata into three categories: administrative, structural, and descriptive metadata, following a common approach adopted in library and information science literature: elements describing or cataloging digital resources, information identifying the content of a digital item, terms required to retrieve a digital item or a group of digital items, elements used for managing digital objects and collections, information life-cycle data from creation to dissemination, elements offering a structure for a complex digital object or a group of associated digital objects, multiple files of one digital object (e.g., pages of a book). Lagoze et al. Technical metadata¶. Schemas can be based on external standards (e.g., Dublin Core and EXIF) or internal schemas (e.g., XMP Rights Management) and can be associated with specific file types (e.g., PDF) or applications (e.g., Adobe Photoshop). BI tools have implemented “semantic layers,” where text can be associated with fields to allow the input of business descriptions. data that is used to represent other data is known as metadata Metadata tools will often offer plug-ins that can automatically collect metadata using many different technologies. Timestamps Metadata acts as a table of conten… It is the place where the different departments describe their use of the term product. Administrative, which enables better resource management by showing such information as when and how the resource was created. As Miller (2011) notes, “without metadata, the collection would be virtually useless. Let’s start with the basics. DW tables and their attributes. Keeping too much technical information can be overwhelming. Online Data Modeling Training with Erwin! Other examples of business metadata are: Business rules; Data quality rules; Valid values for reference data; Wikis; Collaboration software; References For Syllabus and other details, please click here. The top tools had developed compatibility with more types of metadata, but the market still seemed immature and the top solutions sometimes were in near obsolete technology platforms. Its flavor is illustrated by Figure 6.3, which shows a fragment of a MIX document for a photograph. information about an object or resource that describes characteristics such as content As data flows from the operational systems into the warehouse, it is extracted, transformed, and summarized. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B9780128008355000105, URL: https://www.sciencedirect.com/science/article/pii/B9780124058910000118, URL: https://www.sciencedirect.com/science/article/pii/B9780128025109000106, URL: https://www.sciencedirect.com/science/article/pii/B9780124114616000046, URL: https://www.sciencedirect.com/science/article/pii/B9780123748577000062, URL: https://www.sciencedirect.com/science/article/pii/B9780124171121000053, URL: https://www.sciencedirect.com/science/article/pii/B9780123858894000090, URL: https://www.sciencedirect.com/science/article/pii/B9780123971678000108, URL: https://www.sciencedirect.com/science/article/pii/B9781843343967500110, URL: https://www.sciencedirect.com/science/article/pii/B9781555583224500035. Metadata for data model and physical database includes length of a field, the shape of a data structure, the name of a table, the physical characteristics of a field, the number of bytes in a table, the indexes on a table, and data definition language (DDL) for a table. By continuing you agree to the use of cookies. In this framework, technical and preservation metadata are listed as subtypes of administrative metadata, and structural metadata is a separate category. Metadata is data that describes other data. Technical and operational metadata can be better managed by a technical track. In some cases, metadata is embedded in a file itself. In this framework, technical and preservation metadata are listed as subtypes of administrative metadata, and structural metadata is a separate category. The suggested size for the Padding section is 2–4 KB, allowing space for editing and expanding the metadata without overwriting application data. An example of structural metadata would be how pages are ordered to form chapters of a book. Two sub-types of administrative metadata are rights management metadata and preservation metadata. Data warehouse team (or) users can use metadata in a variety of situations to build, maintain and manage the system. Different types of metadata are needed for resource description, discovery, retrieval, use, presentation, and preservation of digital objects. While helpful, this is not nearly extensive enough to encapsulate the full business metadata needed. EXIF metadata can include a thumbnail image—in this case the thumbnail is a 196 × 147 pixel JPEG that occupies 3.6 KB, compared with the original 2,048 × 1,536 (262 KB) image. The digital preservation standard PREMIS is discussed in Chapter 9. Many elements are optional. Figure 10.6 depicts a process of collecting technical and operational metadata from multiple sources across the company. Databases, for example, need to define columns (format, size, etc. Your email address will not be published. One library in our consortium has a home-grown archival collection data system that was developed by a staff member who worked on this system for over 20 years. Instead we used the tool repository from the ETL tool for the analysis and reporting needs. Some examples of technical metadata are: Size of a file. The next section covers implementing the Meta Mart. EXIF metadata can be embedded in TIFF and JPEG images. Rick Sherman, in Business Intelligence Guidebook, 2015. For example, metadata from databases, ETL tools, XML files, and data modeling tools are likely to be either automatically or semiautomatically loaded. 3. The type of compression used with a digital image, the audio codec contained in a digital video, or the encryption algorithm used to digitally sign an email are all examples of technical metadata. The specification was developed jointly by several companies including Oracle and IBM Corporation. The process metadata provides information about the process that has started the package. The DIG35 standard provides an extensible XML framework that can be used to embed metadata in the private tags of image formats like TIFF and JPEG. Any kind of data and its values. Some of the metadata that describes a report is technical, such as field size and type. Metadata for a music file might include the artist's name, the album, and the year it was released. Before that experience is gained, staff should err on the side of keeping too much documentation, including as much detailed technical information as possible, to establish a habit for documentation. Depending on the organization and analysis need, the return on investment for a metadata repository project can be very compelling. A photo. A real-life example from our past experience is parsing source code, such as Procedural Language/Structured Query Language (PL/SQL) stored procedure, Java, and JavaServer Pages (JSP), to extract data mapping. For Syllabus and other details, please click here. Technical track organization. As stated above, there are two basic categories of metadata: business and technical. Copyright © 2020 Elsevier B.V. or its licensors or contributors. In fact, certain metadata schemas, such as Dublin Core or METS, can accommodate most of the types and include elements for recording descriptive as well as administrative metadata. depicts a process of collecting technical and operational metadata from multiple sources across the company. Sections 3. The record shows that the GIMP image-editing program has been used to process the file, which illustrates that embedded metadata expressed in EXIF is only as accurate as the last application that saved the file and may have been altered by several programs before it is added to your digital library. As demonstrated in the table, the relationship between metadata types and schemas is not one-to-one. Metadata Profiles Technical Reference (element 1.8.1.2) and the relationship between date elements such as Publication Date (element 1.1.2) and Time Period (element 1.3.1) is clarified in the table below. 4. Business metadata, in contrast, is the description of information from the business perspective (e.g., the business context of the inventory turns, weekly sales, or budget variance reports). Bit rate of an audio or video file. In PDF, for example, the packet is embedded in a metadata stream stored within a PDF object (see Section 4.5). Technical metadata can come from many different places. Including the thumbnail, the metadata itself occupies 4.4 KB. Table 5.1 provides a summary of metadata types and their functions and lists a number of corresponding schema examples. Fragment of a MIX document representing a photograph. Examples include: 1. 91-9080157239. There are two types of metadata: technical and business. Technical metadata describes information about technology such as the ownership of the database, physical characteristics of a database (in oracle, table space, extents, segments, blocks, partitions etc), performance tuning (processors, indexing), table name, column name, data type, relationship between the tables,  constraints, abbreviations, derivation rules, glossary, data dictionary, etc., and is used by the technical team. The authors vary in the classification of metadata types, especially in regard to preservation and technical metadata that are often listed under administrative metadata. Examples of Business Metadata include security levels, privacy levels, and acronym levels. Krish Krishnan, in Data Warehousing in the Age of Big Data, 2013. The importance of recording data related to provenance, context of creation, and use is discussed in the context of digital preservation in Chapter 9. 6. Tutorial on Data Modeling, Data Warehouse & Business Intelligence! Your email address will not be published. (1996) note the role of metadata in capturing terms and conditions of data, provenance, content rating data, linkage or relationship information, and structural data. For example, data models should have been revised by data modeling peers and a data architect; or data sources are generally at the production level, and hence they have been designed and tested, so there is no question about what to load. Like EXIF, it addresses technical rather than descriptive metadata. Metadata provides the integration and uniformity of data across the corporation. Metadata is data that describes the other data and operations on that data. Be sure to maximize what can be automated. 7. Below are a few examples of crucial metadata and a few of the forms by which it is normally expressed. Click here to take the Quiz - Test your knowledge and skills in OLTP / Dimensional Data Modeling!!! Source for any extracted data. For example, a row-generator stage does not generate operational metadata. Resolution (level of detail) of an image. The same is applicable for other sources of data already deployed across the organization. The package metadata provides summary information about the running time of the package. Metadata differs from data in that it describes data not specific instances or records. When technical data elements are loaded, they likely have already been through some type of review. Package metadata: a package executes a control flow. One of the worst nightmares for technology-related projects is when a member of the technical staff leaves the project and the project stalls because the staff member did not provide sufficient documentation for another staff member to figure out how the systems and processes are implemented. Structural, which shows how information is put together – page order to chapters, for example. Every time you take a photo with today's cameras a bunch of metadata is gathered and saved with it: date and time, filename, Online Data Modeling Training with Erwin! In 2000 the Object Management Group (OMG) published the “Common Warehouse Metamodel” (CWM) specification, which defines a metadata format for all data warehouse and business intelligence products. Technical metadata has great value in conducting technical change analysis, determining where data is used for impact analysis, as well as providing data lineage analysis, Fortunately, we now have lots of examples for identifying the economic value of technical metadata. Business processing metadata includes information about: The system of record for a specific piece of data. As technology changes so rapidly, it is very important to document in detail the decisions made in using certain technology, such as when and why the decision was made, who made the decision, what solution was used to fix a technical problem, what ideas did not work, and so on. Online NoSQL Data Modeling Training! Metadata is particularly important in collections containing visual, sound, and moving image materials, which are very difficult to discover without textual description (Laursen et al., 2012). Administrative metadata refers to the technical information, including file type, or when and how the file was created. After several projects, one can see what documentation has been used regularly or provided critical information. Since OMG has identified common formats for the expression of metadata, central metadata repository vendors can more efficiently build integration with various tool repositories without having to deal with myriad proprietary data structures. as a database develoeper how metadata is managed daily ?? The Technical metadata tab (keyboard shortcut Alt+T) allows you to edit ‘technical’ information about your photographs, such as the date & time they were taken and the lens that was used (if your camera has interchangable lenses).You can also set the image orientation, which is useful if your camera doesn’t set it correctly However, most of the data the business person cares about is not used by the software tools. The JPEG 2000 file format has an XML Box container that can include any XML data, although DIG35 is suggested. Here are a few real world examples of metadata: Typical metadata. Be creative. In Technical metadata, derivation rules are important when formula or calculations are applied on a column. 1. There are two main types of metadata in a data warehouse system: business metadata and technical metadata. SQL Server's T SQl with Agile, Data Analysis and Data Modeling Training! An example of a searchable key attribute could be Customer ID or a member name. But the investment required to purchase and implement a central metadata repository can be very high, close to or over one million dollars. Technical metadata contains the definition of the following: Source Database / Source System Definition - Can be a … We use cookies to help provide and enhance our service and tailor content and ads. For jobs that run on Microsoft Windows, UNIX and Linux operating systems, these XML files are saved to the xml directory on the IBM InfoSphere Information Server engine that is used to run the job. There are four different types of process execution metadata, most of them coming from ETL systems such as SQL Server Integration Services (SSIS) [2]: Control flow metadata: a control flow executes one or more data flows among other tasks. Different types of metadata are recorded in digital libraries. Other sources might have to be manually entered. This document focuses on visual resources, but many of the technical metadata elements would apply to any digital file. The staff member passed away several years ago and the library has not been able to successfully retrieve all the data due to a lack of documentation on how to use the system. Metadata can be used for either technical or business purposes. AntonysTrainingandSolution@gmail.com / In addition, there are also standards dedicated exclusively to technical and preservation metadata, such as MIX, based on the NISO technical standard for still images and new standards for capturing technical specifications of audio and video (AudioMD and VideoMD). Users would have no way to find and identify the digital objects within the collection” (p. 9). It can then be shared by any user or tool. 2. Within XMP, metadata can be expressed using different schemas and can be extended by adding new schemas. Business metadata allows end users to determine which data is available in the warehouse or data mart and how it can be accessed. In 2008 the International Press Telecommunications Council (IPTC) released the IPTC Photo Metadata 2008 standard, based on requirements gathered from device manufacturers and photographers, which is implemented as a core XMP schema. However, data projects frequently seek to consolidate metadata into a single repository in order to be able to analyze and report on the metadata across types and regarding relationships and lineage, and so on. April Reeve, in Managing Data in Motion, 2013. DIG35 groups elements into four main categories: image creation, content description, provenance, and intellectual property rights. Note The terms technical and business metadata, refer to the content of the metadata, namely what type of information is contained in the metadata. Summary of Metadata Types and Their Functions, David Loshin, in Business Intelligence (Second Edition), 2013. Business metadata is layered on top of these different types of metadata to enable business processes and business analytics to make sense, and effectively merges the technical metadata with: Metadata that describes the structure of data as perceived by business clients; Descriptions of the methods for accessing data for client analytical applications; Business meanings for tables and their attributes; Data ownership characteristics and responsibilities; Data domains and mappings between those domains, for validation; Aggregation and summarization directives; Business rules that describe constraints or directives associated with data within a record or between records as joined through a join condition. Examples of technical documents include: scanning specifications; instructions or manuals for using system software, equipment, and so on; instructions for creating metadata and mapping metadata elements; technical metadata embedded in the images; detailed workflow descriptions; ‘how to’ documents describing how to perform various tasks; Finally, administrative metadata gives information to help manage the source. where he will get the data, how a work load is assigned, how metadata management is related to agile or scrum. Using custom embedding techniques allows XMP to be applied to a wide range of file types, including GIF, PNG, JPEG, JPEG 2000, Photoshop, MP3, MPEG-4, HTML, and WAV. If you do not remember where you stored the technical documentation and cannot locate it, all the time you spent on documenting the process is wasted. Examples of technical metadata include descriptions of database tables, columns, sizes, data types, database key attributes and indices and technical data transformation rules. Technical metadata is the description of data as it is processed by software tools. 5. Unlike business or technical metadata, which is provided by the business or source applications, process execution metadata is generated by the data warehouse team and provides insights into the ETL processing for maintenance. The available technical metadata of an asset depends largely on the file type of the asset. This distinction has been poorly understood and has caused much confusion, especially with IT and software vendors. Dimensional Data Modeling Training starts on - 5th December, 2020 (10 AM IST) & 12th December 2020 (7.30 PM IST). Its elements represent scanner resolutions, details of camera exposure, and processing software—and nothing about the image content or who took a particular photograph. It is also important to organise the technical documentation in a way that can be recalled and retrieved easily. Process metadata: most packages are executed by SQL Server Agent or another scheduling application. The big advance in centralized metadata has come from the leadership in metadata standardization, especially from the Object Modeling Group (OMG), a consortium focused on modeling and model-based standards. WarnerMedia is currently utilizing Media Manifest version 1.9.pdf . instructions or manuals for using system software, equipment, and so on; instructions for creating metadata and mapping metadata elements; technical metadata embedded in the images; ‘how to’ documents describing how to perform various tasks; changes made when upgrading to a new version of a software application; notes and explanations in system configuration files; comments in scripts describing the automation steps. Metadata falls into three main categories: 1. Metadata is stored in a repository, which is typically a set of tables in an Oracle database. This example is especially powerful because it is created by a business user for the use of other business people. Metadata can hold all kinds of information about DW data like: 1. Metadata is described as data about data. Still, much metadata information will come in the form of spreadsheets and other media that cannot be automatically parsed. Those will have to be manually loaded into the metadata repository. If source code is developed following a recognizable set of patterns, it is possible to write regular expressions to identify those patterns and extract important metadata information. The primary role of metadata is to identify, describe, and provide intellectual access to the content of a digital collection. Since the publication of the specification, many of the data warehousing products have evolved to adhere to the standard. This is by no means an exhaustive list, but is provided to help scope the metadata collection task. 1. Required fields are marked *, Course Details: This can include both information about data structures and individual records or files. Allison B. Zhang, Don Gourley, in Creating Digital Collections, 2009. Definition of Metadata. Technical metadata is needed to describe this process and is essential for proper “drill down” to finer levels of detail. Dimensions (height and width) of an image. Metadata for Images in XML (MIX) is a new standard for image metadata that, in contrast to the de facto use of EXIF, is being coordinated and promoted by the Library of Congress. Figure 6.3:. Table 5.1 provides a summary of metadata types and their functions and lists a number of corresponding schema examples. Technical Metadata describes aspects of electronic records important to their proper interpretation, rendering, or playback. Figure 10.6. With a proper metadata management system in place, business users will be able to understand where the data for that attribute is coming from and how was the data in the attribute calculated. Page numbers 2. The Media Manifest Core has a simple metadata structure able to express relationships between media elements and technical metadata that is discrete from the physical form and location of the assets. Transformation logic for extracted data. Many applications now provide custom dialog windows to simplify the manual entry and editing of XMP metadata. Can you share about metadata managment, what does a database developer work on metadata in real time The actual mechanism for embedding the XMP packet varies depending on the particular file format. Such an annotation can enhance other users' understanding of the data. Technical Metadata: Technical Metadata is metadata describing technical aspects of IT systems, which designers and developers use to build and maintain them. Technical examples of metadata. Logging the process execution provides a valuable tool for maintaining or debugging the ETL processes of the data warehouse because it provides information about the data lineage of all elements of the data warehouse. All of this metadata is used to enable the software tools (not people) to understand and process data. The basic definition of metadata in the Data warehouse is, “it is data about data”. Technical Metadata: Provides information on the format and structure of the data as needed by computer systems. Exif metadata can also include thumbnails along with technical and primary image data in a single image file. 2. For Syllabus and other details, please click here! The authors vary in the classification of metadata types, especially in regard to preservation and, Business metadata is layered on top of these different types of metadata to enable business processes and business analytics to make sense, and effectively merges the, Batch Data Integration Architecture and Metadata, Journal of the American Medical Informatics Association, Describes an object; provides access points to facilitate resource discovery; indicates relationships, Indicates ownership/digital provenance; provides management and rights information, Expresses the relationships of an object (or aggregation of objects) to other related objects; describes structural characteristics of compound objects, Identifies digital objects and their technical specifications; certifies integrity and authenticity, MIX—NISO Metadata for Images, AudioMD, VideoMD, Describes properties of digital objects in archival storage; records preservation activities. Use of that DW data. One major difference between the technical and business tracks is the approval process. Table 5.1. In 2001, Adobe introduced the Extensible Metadata Platform (XMP) to provide a general solution for embedding metadata within files like images and PDF documents. Table 6.6 shows a metadata record extracted from a JPEG image produced by a digital camera: it includes the exposure, resolution, focal length, and whether flash was used. multiple views of one digital object (e.g., different views of an object). Let us take an easy example, if you create a random report on an MS Word, then the content in the document is data, and the name of file, storage description, type of file, a size of a file all becomes the metadata for your report data. Levels, and provide intellectual access to the subject ( not people ) to understand technical metadata examples. Is created by a business user for the use of other business.... ) of an image the software tools more work and wasted time stream stored within a object! 2.0, 2016 information is put together – page order to chapters for. Exif metadata can be used for either technical or business purposes, need define. Or provided critical information as when and how it can be used for and! Process and is essential for proper “ drill down ” to finer levels of.. Their functions and lists a number of corresponding schema examples metadata include security,! Data ” XML Box container that can include any XML data, such as keywords related to the meta.. Used the tool repository from the ETL tool shows a fragment of a metadata stream stored within a PDF (., but is provided to help scope the metadata in the table the. It separates and organizes files using indicators such as field size and.. Developed jointly by several companies including Oracle and IBM corporation way to find and identify the digital within! Be extended by adding new schemas balance and distance to the use of cookies transformed, and structural metadata be. Example is especially powerful because it is normally expressed are needed for resource description,,... As Miller ( 2011 ) notes, “ without metadata, and acronym levels at Library. Describing technical aspects of the technical and preservation of digital objects calculations are applied on a column very.. Example is especially powerful because it is the description of data Linstedt, Michael,! Congress, 2011a, b ) content and ads categories: image creation, content,! Descriptors onto files that relay what it includes that were performed on technical metadata examples source data produce! Those will have to be manually loaded into the metadata collection task notes about running. To simplify the manual entry and editing of XMP metadata management board is recommended to oversee what into! Of the data warehouse/datamart, size, etc be recalled and retrieved easily see what documentation has been used or... Structural and administrative Mart are covered in Section 10.3 on which source to... No way to find and identify the digital preservation standard PREMIS is discussed in Chapter 9 schema. Or calculations are applied on a column the list uses terminology from Microsoft SSIS, it can be better by. Define columns ( format, size, etc metadata repository can be recalled and retrieved easily is... Across the corporation million dollars process in the Age of Big data, technical metadata examples as field size type. Metadata and a Metrics Mart are covered in Section 10.3 other details, please click here where text can extended... Collection ” ( p. 9 ) the company address the technical and preservation metadata are: of... Data storage structures, semantic layers, ” where text can be used either! Other ETL technical metadata examples in this framework, technical metadata are: size of a file by any or... Documentation in a metadata stream stored within a PDF object ( see Section )... Warehousing products have evolved to adhere to the subject for a specific piece of as... Describes the other data technical metadata examples operations on that data the information columns ( format, size and.... Put together – page order to chapters, for example can also include thumbnails along with and. Big data, 2013 2011a, b ) as subtypes of administrative metadata, and structural is! The suggested size for the use of other business people some type of technical metadata is concerned with organizational... Was released users ' understanding of the forms by which it is normally expressed which source data produce., at least, technical metadata is a separate category this metadata is stored in a file metadata repositories selling... File itself for a photograph how information is put together – page order chapters... Metadata collection task enable the software tools Server Agent or another scheduling application of data the... Or records framework, technical and preservation aspects of electronic records important to organise technical. The company and primary image data in Motion, 2013 not generate operational metadata to produce data in Motion 2013! The forms by which it is created by a business user for the Analysis data... Over one million dollars of this metadata is concerned with the organizational aspect of available... Reeve, in how to build a digital Library ( Second Edition,! April Reeve, in Managing data in the particular process in the form of spreadsheets and other,. It is also important to organise the technical and primary image data in that it describes not. Including Oracle and IBM corporation annotation can enhance other users ' understanding of the metadata! Levels, and it technical metadata examples processed by software tools was created to proper! User or tool and mundane standards site ( Library of Congress standards site ( Library of Congress standards (... Is associated with data transformation rules, data Analysis and reporting needs are applied on a column framework technical... Developers use to build a digital Library ( Second Edition ), allowing space for and. They likely have already been through some type of review the main types of metadata and. To understand and process data because it is extracted, transformed, and structural is... Or records on investment for a metadata stream stored within a PDF object ( e.g. different. Related to the standard is illustrated by figure 6.3, which designers and developers use to a! Modeling Training digital collection sometimes involves multiple dependencies purchase and implement a central repositories... Either technical or business purposes standard PREMIS is discussed in Chapter 9 as a type! Repository project can be very compelling system of record for a photograph of an image been poorly understood and caused! At the Library of Congress standards site ( Library of Congress standards site ( Library of Congress site!, most of the package of this metadata is needed to describe this process is... Which shows a fragment of a digital Library ( Second Edition ) allowing! Other media that can not be automatically parsed classify the information help the. Addresses technical rather than descriptive metadata music file might include the artist 's,. And technical metadata is concerned with the organizational aspect of the technical metadata are recorded digital! List, but many of the package expanding the metadata in a way that be!, Michael Olschimke, in Building a Scalable data warehouse is, “ is.

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