a defeasible logic reasoner for the semantic web

... temporal relations, and forapplications of metadata TEAM LinG Trang 10When I first had the idea about the automatical transformation of data sets,which we now refer to as semantic translation, many of ... applications – a valuable benefit for those readers who arelooking for actual research results in the important areas of data transforma-tion, the semantic representation of spatial and/or temporal ... results in a rather simple way and had to choose the requiredinformation manually The more data were added to the Web, the harder thesearch for information became The latest versions of search engines

Ngày tải lên: 07/09/2020, 11:20

... important for humans and programs to be able to quickly and accurately access information and services available on the web A semantic web—a web where the meanings of terms are captured and exploited—can ... Language, Markup Language, Semantic Web, DAML, DARPA Trang 3The DARPA Agent Markup Language (DAML) initiative is aimed at supporting the development of the semantic web The program funds research ... exploited—can provide the foundation for convenient access to web content The DARPA Agent Markup Language (DAML) program is aimed at providing a language and toolset enabling the transformation of the web

Ngày tải lên: 18/10/2022, 23:06

... dynamic presentation that adapts on-the-fly to varying andunforeseen requirements by both producer and consumer of the raw data MARC (MAchine-Readable Cataloging) project defines a data format which ... by the implementation protocol Metadata is additional information that describes the data with which it is associated.Middleware, a third-party layer between applications and infrastructure Trang ... IANA along withinformation about applicable registrar – for example, uk for the United Kingdom, sefor Sweden, and us for U.S.A Also see gTLD CGI (Common Gateway Interface) is in essence an agreement

Ngày tải lên: 14/08/2014, 09:22

... published data to adistributed and cached model of availability based on what the data are rather than wherethey are
Searching and Sifting the Data looks at the strategies for finding data and deriving ... resources Chapter 3 at a Glance This chapter deals with the general issues around a particular implementation area of theSemantic Web, that of creating and managing the content and metadata structures ... Management Part of the Semantic Web deals necessarily with strategies for information management onthe Web This management includes both creating appropriate structures of data-metadataand updating the

Ngày tải lên: 14/08/2014, 09:22

... order to attract advertising revenue In fact, for a brief period in the late 1990s, Trang 7it almost appeared as if the Web was turning into a just another broadcast medium for themedia corporations ... aggregated in various ways Data governance then takes on a different cast, because the usual physicallocality of data no longer applies, and the traditional security mechanisms becomeinadequate ... a download of therequested data starting The transfer trundles along at a paltry few kilobyte/s for a while,but then the rate rapidly increases as more swarming clients are contacted in thebackground

Ngày tải lên: 14/08/2014, 09:22

... will define the relationships to be mapped from the available data in some database. The XML template is constructed as an abstract model of metadata, and it may also contain information about how ... process (at least in part) many different metadata vocabularies. Figure 5.7 A possible application loop using RDF XML templates to access and manage metadata from a database. This model is fairly ... representative of many metadata management implementations 134 The Semantic Web Extended RDF Layers As defined, RDF is both general and simple. The language at this point has in fact neither negation

Ngày tải lên: 14/08/2014, 09:22

... Core Metadata Initiative defines an important area in organizing metadata that isgreatly influencing the large data producers and repositories, such as governments andlibraries  DARPA manages and ... templates), the naturally largest group, which also gives afair indication of the primary application areas and users (libraries, universities, medicalmetadata for health care, and government databases); ... Trang 1
Several OWL-based demo applications developed at the University of Maryland more County, such as Travel Agent Game (TAGA, see taga.umbc.edu, a multi-agentautomatic trading platform for

Ngày tải lên: 14/08/2014, 09:22

... implementation, portable to any Java-capable platform, that allows the user toconstruct, store, and experiment with ABC models visually Apart from the Java RTE runtime,the tool also assumes the JenaAPI ... metadata management in particular, is that of digital libraries In manyrespects, early digital library efforts to define metadata exchange paved the way for latergeneric Internet solutions In past ... come annotation functionality, as described earlier In other words,not only are the external data collections available for local use, but local users may shareannotations on the material with other

Ngày tải lên: 14/08/2014, 09:22

... thefile format The general framework specification and an open source implementation areavailable to anyone Since the native formats of the various publishing applications arebinary and opaque to ... KnowledgeAccess, Automation, and Collaboration (includes Haystack and other sweb-supportsoftware) Some of these application areas overlap and are performed in collaboration with otherefforts elsewhere, ... 1994 as an Ontolinguaproject with the overall objective to demonstrate the efficiencies and added capabilitiesafforded by making semantically-structured product and data catalogs accessible on the

Ngày tải lên: 14/08/2014, 09:22

... opposed, they will adapt, or fall The Case for the Semantic Web What are the arguments for the Semantic Web revolution? And why should we care? Knowledge Empowers The motivation ... colleagues and fans. Despite the lack of a purposely media-friendly infrastructure so far, digital artists have clearly thrived regardless. The basic technology of the Web allowed partial realization ... that may either encourage or discourage creativity, distribution, and the associated rewards. In particular, the ability to exchange ideas freely and access published material is central to their

Ngày tải lên: 14/08/2014, 09:22

... example, is an example where the Semantic Web andWeb services could aid in making a painful task easy Making travel arrange-ments can be an administrative nightmare Everyone has personal travel ... book are the way toaccomplish that What Is the Semantic Web? 15 Trang 9Installing Custom Controls 17The Business Case for the Semantic Web “ The business market for this integration of data and ... the informationmanagement quandary that every organization today faces fed-to combine the information of groups and understand the relationshipsbetween them The simplest example that we are accustomed

Ngày tải lên: 14/08/2014, 12:20

... and the prefix is an abbreviation for the actual name- space in the namespace declaration. The actual namespace is a unique Uniform Resource Identifier (URI; see sidebar). Here is a sample namespace ... specific areas: Data exchange and interoperability. XML has become the universal syntax for exchanging data between organizations. By agreeing on a standard schema, organization can produce these ... servers on standard port 80). A URN creates a unique and persistent name for a resource either in the “urn” namespace or another registered namespace. A URN namespace dictates the syntax for the URN

Ngày tải lên: 14/08/2014, 12:20

... provides the capability to search for available cars on a certain date, lists rental rates, and allows an application to make a reservation for a car. Expense report creator. This Web service automatically ... does not have such a department, and you don’t have an administrative assistant who handles these details. In addition to all the work that you have to do, you need to make these travel arrangements ... legal proof that the signer cannot refute. A trusted third party can look at the message and validate that the message was indeed digitally signed by the sender. A digitally signed message can

Ngày tải lên: 14/08/2014, 12:20

... “Software-Engineer.” rdfs:label. An attribute that defines a human-readable label for the class.This is important for applications to display the class name in applicationseven though the official ... by RDF Schema is the same data model used by object-oriented pro-gramming languages like Java The data model for RDF Schema allows you to create classes of data A class is defined as a group of ... the artifacts they writeand the topics they know Trang 4tem-Figure 5.8 The Semantic Web Stack.(Massachusetts Institute of Technology, European Research Consortium for Informatics and Mathematics,

Ngày tải lên: 14/08/2014, 12:20

... user interaction is finished, the instance data is serialized as XML and sent to the server. Separating the data, the model, and the presenta- tion allows you to maximize reusability and can help ... styled, and trans- formed. Features such as alpha masks, filter effects, and nested transforma- tions are in this XML-based language, and animations can be defined and triggered. Many authors ... scripting languages that access the SVG’s Docu- ment Object Model to perform advanced animations and dynamic graphics. The potential for SVG is quite exciting. Because it is an XML language, data content

Ngày tải lên: 14/08/2014, 12:20

... between ER and EER and the kinds of schemas built for databases, refer to nearly any standard database text We like Halpin (1995) and Ullman (1989). Trang 4people, databases, and applications that need ... addition to the base name, however, a variant name, specifically, a display name and/or a sort name, can be used In the example, a display name is represented, within the base name markup: Each ... If there were a uses association between Sammy Sosa and a Rawlings 34-inch Pro Trang 11Model baseball bat, then Sammy would be in the batter role and the Rawlings would be in the bat role, as the

Ngày tải lên: 14/08/2014, 12:20

... process. The semantics of interactions among AreaAgencyAging and HealthDepartment must be well defined, such that there is no ambiguity as to what a message may mean, what actions are al- lowed, what ... external manageability and adaptability. If the history clause is specified, all operation invocations are automatically logged. The on change clause uses triggers to detect changes in variables ... translation, transformation, and integration capabilities are needed to provide for reconciliation among disparate representations, vocabularies, and semantics. The objective of interactions at this layer...

Ngày tải lên: 28/03/2014, 21:20

... (2010) Mathematical model- ling of the central carbohydrate metabolism in Arabid- opsis thaliana reveals a substantial regulatory influence of vacuolar invertase on whole plant carbon metabo- lism. ... from photosynthetically active source organs to consuming sink organs or metabolic pathways other than carbo- hydrate pathways was calculated as the difference between net carbon uptake and changes ... 967–981. 8 Sasaki H, Ichimura K, Imada S & Yamaki S (2001) Sucrose synthase and sucrose phosphate synthase, but not acid invertase, are regulated by cold acclimation and deacclimation in cabbage...

Ngày tải lên: 14/02/2014, 22:20