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Topic: Metadata (computing)

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	Whitepaper on Data Management
		Metadata holds the promise of being able to improve both the storage system-level performance, through more efficient staging and migration, and application-level performance, by allowing the user to make more informed choices about what data to retrieve.
		Developing a metadata reference model that defines the structure and management of metadata, will make it possible for applications using metadata and metadata management systems to share data through common interfaces and structures.
		In some instances it may be important that metadata be accessible faster than the data, requiring the metadata be resident on a higher performance device (e.g., magnetic disk).
	www.llnl.gov /liv_comp/metadata/papers/whitepaper-draft.html (1779 words)

	ALEXANDRIA DIGITAL LIBRARY (Site not responding. Last check: 2007-10-16)
		In the first, metadata is generated both by the library, as data about each information object, and by the user, as a representation of the information that would be ideally suited to his or her particular use.
		To a database manager metadata may mean the contents of a schema, i.e., names for all the classes of data objects in the database, a precise statement of all their attributes, and of the relationships between them, and a characterization of the questions that can be asked of the database.
		To a physical scientist metadata may be a critical calibration constant, i.e., a number to be placed in a formula used to transform the data, or it may mean a natural language description of the measurement process of which the data was the outcome.
	alexandria.sdc.ucsb.edu /public-documents/metadata/metadata_ws.html (13492 words)

	A New Specification for Managing Metadata
		In practice, metadata is what tools, databases, applications and other information services use to define the structure and meaning of their objects, services, and other computing artifacts.
		Currently, metadata management is made extremely difficult by the fact that many, perhaps most, of these semantics tend to be embedded in the systems that use them.
		Finally, comprehensive metadata management is a necessary prerequisite for enabling the kind of services-based architecture that we are all moving towards.
	java.sun.com /developer/technicalArticles/J2EE/JMI (3562 words)

	Metadata - Wikipedia, the free encyclopedia
		Metadata is a term of special interest in various fields of computer science (for example, information retrieval and the semantic web).
		Metadata is frequently stored in a central location and used to help organizations standardize their data.
		Structural metadata is used to describe the structure of computer systems such as tables, columns and indexes.
	en.wikipedia.org /wiki/Metadata_(computing) (3962 words)

	AOP@Work: AOP and metadata: A perfect match, Part 1
		The choice of metadata facility affects the experience of expressing metadata, but the fundamental idea of associating additional data to program elements is common to all metadata facilities.
		Metadata can be consumed in a variety of ways, and understanding these uses will help put the combination of AOP and metadata into perspective.
		Associating semantic properties with metadata means that compiled classes may have a different structure and behavior from those without it (see Resources for a further discussion on this topic).
	www-128.ibm.com /developerworks/java/library/j-aopwork3 (6081 words)

	[No title]
		While the use of file system metadata features continues to lag behind their implementation (HFS+ supports multiple named streams, for example, and supported 255 character file names long before they were used in Mac OS), the direction is clear.
		Extensible metadata aids interoperability by ensuring that all metadata has some storage location available to it on any destination platform (unlike, say, file type metadata which today must be encoded in the file name in many situations).
		Today, file type metadata is commonly represented by MIME types during network file transfers where the source and destination platforms may have different native storage mechanisms for file type metadata.
	arstechnica.com /reviews/os/metadata.ars/9 (1116 words)

	What is metadata? - A Word Definition From the Webopedia Computer Dictionary
		Metadata describes how and when and by whom a particular set of data was collected, and how the data is formatted.
		Metadata is essential for understanding information stored in data warehouses and has become increasingly important in XML-based Web applications.
		This paper discusses the utility of relational database-based metadata catalogs in keeping track of astronomical and geophysical observations, the use of WWW servers and client forms to allow access to the catalogs, graphical interfaces, and a proposal for a distributed system of databases serving the entire astronomical and geophysical community.
	www.webopedia.com /TERM/m/metadata.html (188 words)

	Metadata - SVG 1.1 - 20030114
		In the computing industry, there are ongoing standardization efforts towards metadata with the goal of promoting industry interoperability and efficiency.
		Individual industries or individual content creators are free to define their own metadata schema but are encouraged to follow existing metadata standards and use standard metadata schema wherever possible to promote interchange and interoperability.
		If a particular standard metadata schema does not meet your needs, then it is usually better to define an additional metadata schema in an existing framework such as RDF and to use custom metadata schema in combination with standard metadata schema, rather than totally ignore the standard schema.
	www.w3.org /TR/SVG11/metadata.html (501 words)

	Organize Your Personal Files with Document Properties and Metadata
		Metadata may be added to the file properties when the file is created or or it may be inserted later.
		Microsoft Office files can have metadata in addition to the file properties considered here and the subject of all of the possibilities is beyond our scope.
		The properties sheet of file types that can have some of the additional types of metadata can be used to enter new information.
	vlaurie.com /computers2/Articles/metadata.htm (741 words)

	Sensitivity of Entry Vocabulary Modules to Subdomain (Site not responding. Last check: 2007-10-16)
		Given the fact that searchers need to select information from a large population of heterogeneous repositories with quite diverse metadata vocabularies (i.e., approaches to organizing information that employ different categorization, classification, and indexing semantics), it is seems to be a beneficial move to provide mappings between ordinary language and these metadata vocabularies.
		By replacing these lists of metadata vocabularies in the place of conventional keyword search results, which might be overwhelmingly large and contain a significant proportion of non-relevant items, we provide the users with the opportunity to do more effective subject searching.
		The vocabulary differences between the heterogenous metadata systems are obvious and clearly expected, but this kind of difference between the subdomains within the same database with same metadata systems is an interesting and potentially useful finding.
	metadata.sims.berkeley.edu /subdomain.html (2120 words)

	Objectrad Project: Java Metadata Server
		Although focused on metadata, the application is a kind of model-based application development environment.
		Imports metadata from XML streams into the server, and export metadata, in the format required by the particular type of metadata.
		Metadata reference remote metadata; metadata can be used to define relationships among other collections of metadata.
	www.objectrad.com /javaMetadataServer.html (673 words)

	TDAN Gorman - Comprehensive Metadata
		Consequently, metadata are the materialized artifacts that define the requirements for, the specifications of, design of, or even executing characteristics of an IT system, or component of that system.
		Therefore, metadata is all that which is one or more levels of abstraction removed from the actual databases, applications, or their technology environments.
		A Functions metadata system component enables the enumeration of the various functional hierarchies and commonly accepted variants of the business functions that represent the accomplishment of knowledge work by various organizations in their performance of the enterprise’s mission.
	www.tdan.com /i025fe03.htm (4561 words)

	NSDL Metadata Record -- Computing Permutation Encodings
		We consider some encodings of permutations of the first N natural numbers, discuss some relations among them and how one can be computed from others.
		We show a short proof of an existing efficient algorithm for one encoding, and present two new efficient algorithms for encoding permutations.
		One of these algorithms is constructed as the inverse of an existing algorithm for decoding, making it the first efficient permutation encoding algorithm obtained that way.
	nsdl.org /mr/403581 (73 words)

	ongoing · On Search: Metadata
		Metadata is technically “information about information” and you can start a fistfight in the bar at any XML or Content-Management conference about what’s data and what’s metadata.
		Note that Google actually does have some subject metadata via their integration with the Open Directory Project, but they don’t push it that hard, and the volunteer-staffed, highly-political, AOL-semi-orphan ODP is fairly weak reed to lean on anyhow.
		Of course, if we could use computers to compute the metadata like Google does, that would be immensely cheaper than having employees do it.
	www.tbray.org /ongoing/When/200x/2003/07/29/SearchMeta (1814 words)

	Home (Site not responding. Last check: 2007-10-16)
		Metadata, Inc is a general computing practice established in 1980 to provide software engineering, system integration, and advisory services.
		We are a small firm with broad experience in the practice of computing.
		We have an extensive background in the development of system and application software; the design and realization of computing environments that add value to our client's business processes; and the shaping of sound technology acquisition decisions to achieve business objectives with minimal risk and cost.
	www.metadatainc.com (107 words)

	Arms and Arms: Mixed Content and Mixed Metadata
		This is the final draft of a chapter from Metadata in Practice, edited by Diane Hillmann and Elaine Westbrooks, to be published by ALA Editions in 2004.
		Three improvements are planned for the near term: expansion of the range of metadata formats that are accepted, improved ranking, and dynamic generation of snippets.
		Perhaps the most important conclusion is that successful information discovery depends on the inter-relationship between three areas: the underlying information (content and metadata), computing tools to exploit both the information and its context, and the human-computer interfaces that are provided.
	www.cs.cornell.edu /wya/papers/ALA-2003.php (4830 words)

	XML: The Future of Internet Publishing (Site not responding. Last check: 2007-10-16)
		Two new areas currently emerging are distributed computing and metadata.
		Sometimes metadata can be extracted directly from the described data (as in the case of an XML document).
		Metadata is of special importance in a meta-content router.
	www.intranetjournal.com /text/features/datachannel/xml-2.shtml (1432 words)

	White Light Computing - DBCx Tools
		This is particularly important when DBCX vendors update the metadata files and only one set of the files compared have the new columns.
		BUG FIX: If the metadata in the original set had more fields than the metadata in the current set, a syntax error was thrown.
		Each of the various comparisons within each metadata are assigned a sub order (fractional part of the number).
	whitelightcomputing.com /proddbcxcompare.htm (1222 words)

	Metadata
		Another activity relevant to most applications of metadata is the Dublin Core [DCORE], which is a set of generally applicable core metadata properties (e.g., Title, Creator/Author, Subject, Description, etc.).
		The contents of the 'metadata' should be elements from other XML namespaces, with these elements from these namespaces expressed in a manner conforming with either the "Namespaces in XML 1.0" or "Namespaces in XML 1.1" Recommendations [XML-NS10][XML-NS].
		The 'metadata' child element to an 'svg' element serves the purposes of identifying document-level metadata.
	www.w3.org /TR/SVGMobile12/metadata.html (360 words)

	RAS VFP Meta Source Code Printin
		First you are prompted for a SCX (form metadata table) or a VCX (visual class metadata table).
		First you are prompted for a FRX (report metadata table), then the program evaluates the different objects.
		First you are prompted for a MNX (menu metadata table), the program evaluates the information in the metadata table, and then lists off each of the menu options.
	www.whitelightcomputing.com /prodmetadataprintingtools.htm (963 words)

	OpenDocument - Metadata
		To propose metadata related enhancements for OpenDocument for consideration by the Opendocument TC which address these requirements.
		A list of metadata use cases for OpenDocument documents and OpenDocument enabled applications, together with a classification of the use cases.
		The subcommittee's work is to collect use cases where metadata is passed or stored along with OpenDocument documents, to classify them as described above, and to derive a set of requirements for future versions of OpenDocument from these classes.
	www.oasis-open.org /committees/tc_home.php?wg_abbrev=office-metadata (328 words)

	MDAS - Massive Data Analysis System
		MDAS acts as a metadata repository for system-level and domain-level metadata and provides a framework for integrating the two types of metadata.
		The metadata catalog of MDAS provides information that can be utilized to provide access to datasets stored in a variety of formats, locations and storage media ranging from file systems to archival storage, and to provide computational and communication transparency for distributed platforms.
		The metadata also provides a means to store and retrieve security-related information for encryption, authentication and validation mechanisms.
	www.sdsc.edu /~sekar/mdrwsub.html (1331 words)

	Thinking XML: Learning Objects Metadata
		Early on, practitioners in this area recognized the importance of personal computers: They were quick to put multi-media CD-ROMs to practical use, and they have also been leaders in the practical application of XML metadata technology.
		The usual option in such a case is to have another nested element with the URL in an attribute and a human-readable title in that element's content.
		The Dublin Core Metadata Initiative and IEEE LOM committee have been working together, as announced in their Memorandum of Understanding.
	www-128.ibm.com /developerworks/xml/library/x-think21.html (2079 words)

	Web Guidelines - Metadata
		While the tools used to gather and process the metadata are still being refined, you want your pages to take advantage of these tools as they become available.
		For example, a page with accurate, descriptive metadata will be more likely to appear higher in a search results list.
		These are a subset of an International Standard adopted by UT's General Libraries for their metadata repository.
	www.utexas.edu /web/guidelines/metadata.html (413 words)

	PRISM Areas of Expertise
		This PAE interacts strongly with the PAE "Integration and modelling environments" to incorporate data management in the compiling and running environments, and also with the PAE "Metadata" for the automatic description of experiments, models, and numerical grids.
		stimulate discussion and interaction with the PRISM and broader ESM community to ensure that metadata provision meets the current and future needs of the community.
		Computing issues (cross cutting PAE) - (under consideration)
	www.prism.enes.org /PAEs (326 words)

	alphaWorks : Web Metadata Extractor : Overview
		Web Metadata Extractor extracts relevant information from well-formed Web pages in HTML format by using semi-automatically generated templates based on the Unstructured Information Management Architecture (UIMA) framework.
		This information consists of metadata of the entity described in the Web page, such as title, author, source, etc. For Web content aggregation or recasting systems, the metadata are even more important than the content because users always query or browse information by metadata (for example, searching by title key words).
		First, the user defines the extraction items, that is, the metadata, by using the mouse to highlight the target from a sample page of the specific Web site.
	www.alphaworks.ibm.com /tech/webextractor (548 words)

	Metadata Services - Presidential Timeline Project
		All questions regarding the documenation and use of documentation should be posted on the Metadata listserv for the Presidential Timeline Project.
		Please contact Alisha Little if you would like to be added to the Presidential Timeline's Metadata listserv.
		If you would like more information about metadata in general, please take a look at the Metadata Information and Resources page.
	www.lib.utexas.edu /dls/metadata/projects/ptl/index.html (105 words)

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