Abstract
Abstract In this paper authors perform a research on possibilities of RDF (Resource Description Framework) syntaxes usage for information representation in Semantic Web. It is described why pure XML cannot be effectively used for this purpose, and how RDF framework solves this problem. Information is being represented in a form of a directed graph. RDF is only an abstract formal model for information representation and side tools are required in order to write down that information. Such tools are RDF syntaxes – concrete text or binary formats, which prescribe rules for RDF data serialization. Text-based RDF syntaxes can be developed on the existing format basis (XML, JSON) or can be an RDF-specific – designed from scratch to serve the only purpose – to serialize RDF graphs. Authors briefly describe some of the RDF syntaxes (both XML and non-XML) and compare them in order to identify strengths and weaknesses of each version. Serialization and deserialization speed tests using Jena library are made. The results from both analytical and experimental parts of this research are used to develop the recommendations for RDF syntaxes usage and to design a RDF/XML syntax subset, which is intended to simplify the development and raise compatibility of information serialized with this RDF syntax.
Highlights
World Wide Web development can be divided into three main periods: Web 1.0, Web 2.0 and Web 3.0 [1], [2]
The goal of this research is to analyze and compare existing RDF syntaxes based on XML to specific RDF syntaxes, and to propose a solution for better RDF/XML syntax usability in context of Semantic Web
Syntax performance rating is different for each dataset, which means that the performance depends on the data type and structure, though these results are not enough to predict a tendency
Summary
World Wide Web development can be divided into three main periods: Web 1.0, Web 2.0 and Web 3.0 [1], [2]. The first “version” of Web is mainly static from the users point of view. It is almost not possible to affect information on a Web page, because only webmaster was able to change information on a page by modifying contents directly. Web 2.0 opened new possibilities for Web interaction: dynamic and interactive Web pages. In this generation of Web users can add, edit or even delete information on a given Web page in a convenient manner using simple control elements like menus, buttons, text editor areas etc. The design of a Web page itself is user-friendly and intuitive
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