X-CM

2014 ◽  
Vol 4 (4) ◽  
pp. 17-41
Author(s):  
Swee-Mei Chin ◽  
Su-Cheng Haw ◽  
Fang-Fang Chua

The emergence of XML as the de facto for data exchange in the World Wide Web and the increase popularity of XML in the business application have urge momentum research on way to generate a well-formed XML document to store and maintain it in the databases. Thus, a good schema such as XML schema is undeniable needed in order to define the syntax and structure of the XML instance to ensure data integrity. Nevertheless, schemas serve as logical model rather than conceptual model where semantics of the underlying document are hardly expressed. As such, in this paper, the authors proposed X-CM, a new conceptual modeling for XML as the mechanism to model components of XML conceptually and to express the underlying semantic explicitly. First, the authors reviewed the semantics and structure of conceptual modeling of existing approaches. Then, the authors proposed their X-CM modeling construct and implemented X-CM in a university based scenario. Lastly, the authors summarized the evaluation result and comments provided by the XML database experts and evaluators based on the authors proposed model.

2016 ◽  
pp. 586-611
Author(s):  
Swee-Mei Chin ◽  
Su-Cheng Haw ◽  
Fang-Fang Chua

The emergence of XML as the de facto for data exchange in the World Wide Web and the increase popularity of XML in the business application have urge momentum research on way to generate a well-formed XML document to store and maintain it in the databases. Thus, a good schema such as XML schema is undeniable needed in order to define the syntax and structure of the XML instance to ensure data integrity. Nevertheless, schemas serve as logical model rather than conceptual model where semantics of the underlying document are hardly expressed. As such, in this paper, the authors proposed X-CM, a new conceptual modeling for XML as the mechanism to model components of XML conceptually and to express the underlying semantic explicitly. First, the authors reviewed the semantics and structure of conceptual modeling of existing approaches. Then, the authors proposed their X-CM modeling construct and implemented X-CM in a university based scenario. Lastly, the authors summarized the evaluation result and comments provided by the XML database experts and evaluators based on the authors proposed model.


2014 ◽  
Vol 608-609 ◽  
pp. 401-407
Author(s):  
Su Jin Cai

Data exchange can make different information systems of enterprises realize data interaction. The objective establishing it is to keep information sharing and synchronization in enterprises, which can effectively use resources, improve the performance of the system and speeds up information circulation. Data exchange model is the core of realizing data exchange and it has a set of completed data storage and access mechanism. The paper verifies the mapping of relational schema and XML schema, the conversion of database and XML data, and XML document schema, and the paper constructs XSLT documents among different XML schemas, and explains and implements the algorithms of the conversion among different XML documents.


Author(s):  
Karen Coyle

Application profiles fulfill similar functions to other forms of metadata documentation, such as data dictionaries. The preference is for application profiles to be machine-readable and machine-actionable, so that they can provide validation and processing instructions, not unlike XML schema does for XML documents. These goals are behind the work of the Dublin Core Metadata Initiative in the work that has been done over the last decade to develop application profiles for data that uses the Resource Description Framework model of the World Wide Web Consortium.


2014 ◽  
Vol 25 (10) ◽  
pp. 1450048 ◽  
Author(s):  
Marco Alberto Javarone

We study the introduction of lexical innovations into a community of language users. Lexical innovations, i.e. new term added to people's vocabulary, plays an important role in the process of language evolution. Nowadays, information is spread through a variety of networks, including, among others, online and offline social networks and the World Wide Web. The entire system, comprising networks of different nature, can be represented as a multi-layer network. In this context, lexical innovations diffusion occurs in a peculiar fashion. In particular, a lexical innovation can undergo three different processes: its original meaning is accepted; its meaning can be changed or misunderstood (e.g. when not properly explained), hence more than one meaning can emerge in the population. Lastly, in the case of a loan word, it can be translated into the population language (i.e. defining a new lexical innovation or using a synonym) or into a dialect spoken by part of the population. Therefore, lexical innovations cannot be considered simply as information. We develop a model for analyzing this scenario using a multi-layer network comprising a social network and a media network. The latter represents the set of all information systems of a society, e.g. television, the World Wide Web and radio. Furthermore, we identify temporal directed edges between the nodes of these two networks. In particular, at each time-step, nodes of the media network can be connected to randomly chosen nodes of the social network and vice versa. In doing so, information spreads through the whole system and people can share a lexical innovation with their neighbors or, in the event they work as reporters, by using media nodes. Lastly, we use the concept of "linguistic sign" to model lexical innovations, showing its fundamental role in the study of these dynamics. Many numerical simulations have been performed to analyze the proposed model and its outcomes.


Author(s):  
Harold Boley

The simplicity of Web-based data exchange is beneficial for nonformal, semiformal and formal documents. For formal specifications and programs the Web permits distributed development, usage and maintenance. Logic programming (LP) has the potential to serve as a uniform language for this. Meanwhile, however, the World Wide Web Consortium (W3C; http://www.w3.org/) has enhanced HTML–for nonformal and semiformal documents–into the Extensible Markup Language (XML) (Harold, 1999)–for semiformal and formal documents. This raises the issue of the relationships between XML and LP. Will logic programming have the chance, despite, or perhaps precisely because of XML, to become a ‘Web technology’ for formal documents? Could the HTML-like syntax of XML be replaced by a Prolog-like syntax, or could it be edited or presented over a standardized stylesheet—in such a Prolog syntax? Is SLD resolution a suitable starting point for the interpreter semantics of an XML query language like XQL (http://www.w3.org/TandS/QL/QL98/pp/xql.html) or should an LP-oriented, inferential query language be developed in the form of an XML-based Prolog? In the following text, such questions will be discussed, and possible interplays between XML and LP—in both directions—will be presented.


2012 ◽  
Vol 192 ◽  
pp. 306-309
Author(s):  
Qiu Hong Wang ◽  
Tao Zhang ◽  
Yu De Dong

This article is in view of the model data storage the problems in the process of interaction, through the XML data intermediate storage method, of the hydraulic press for each model will be stored in the characteristic dimensions in the XML document, according to the predetermined XML Schema (XML Schema Definition, XSD), more articulate products of various kinds of CAD model design information. In this way the data exchange, this model of data kept the way to avoid inconsistencies, transfer of data volume is small, and not in the different between platform to transmit documents appear data loss, data distortion phenomenon, for the follow-up of CAE/CAM analysis with good books.


Author(s):  
Baydaa Al-Hamadani ◽  
Zhongyu (Joan) Lu ◽  
Raad F. Alwan

XML has become the standard way for representing and transforming data over the World Wide Web. The problem with XML documents is that they have a very high ratio of redundancy, which makes these documents demanding a large storage capacity and large network band-width for transmission. This study designs a system for compressing and querying XML documents (XMLCQ) which compresses the XML document without the need to its schema or DTD to minimize the amount of technologies associated with these documents. XMLCQ first compressed the XML document by separating its data into containers according to the path of these data from the root to the leaf, then it compressed these containers using a back-end compression technique. The compressed file then could be retrieved with any kind of queries applied. Only the required information is decompressed and submitted to the user. Depending on several experiments, the query processor part of the system showed the ability to answer different kinds of queries ranging from simple exact match queries to complex ones. Furthermore, this paper introduced the idea of retrieving information from more than one compressed XML documents.


2014 ◽  
pp. 13-16
Author(s):  
Matanya Elchanani ◽  
Tarek M. Sobh ◽  
Raul Mihali

The World-Wide-Web has been used extensively in the past few years of its existence for data exchange, and information gathering. Web online control, on the other hand, is a new emerging field, which has not yet been fully exploited and holds in it a great impact on currently available control systems. This paper discusses an application of online Internet control service - a WWW controlled robotic manipulator arm.


1994 ◽  
Vol 144 ◽  
pp. 139-141 ◽  
Author(s):  
J. Rybák ◽  
V. Rušin ◽  
M. Rybanský

AbstractFe XIV 530.3 nm coronal emission line observations have been used for the estimation of the green solar corona rotation. A homogeneous data set, created from measurements of the world-wide coronagraphic network, has been examined with a help of correlation analysis to reveal the averaged synodic rotation period as a function of latitude and time over the epoch from 1947 to 1991.The values of the synodic rotation period obtained for this epoch for the whole range of latitudes and a latitude band ±30° are 27.52±0.12 days and 26.95±0.21 days, resp. A differential rotation of green solar corona, with local period maxima around ±60° and minimum of the rotation period at the equator, was confirmed. No clear cyclic variation of the rotation has been found for examinated epoch but some monotonic trends for some time intervals are presented.A detailed investigation of the original data and their correlation functions has shown that an existence of sufficiently reliable tracers is not evident for the whole set of examinated data. This should be taken into account in future more precise estimations of the green corona rotation period.


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