Web体系结构数据描述与交换（外文文献翻译）.docVIP

英文原文 Web Architecture: Describing and Exchanging Data W3C Note 7 June 1999 Status of this document This document is an analysis provided by the authors and carries no endorsement by the Consortium. As we begin the XML Schema design?[XMLSchema] and examine the RDF Schema design?[RDFSchema], this document acknowledges the input we have received on how they fit together and how they should fit together, and invites further exploration. Please send comments to www-talk@ (archive). This section represents the status of this document at the time this version was published. It will become outdated if and when a new version is published. The latest status is maintained at the W3C. Abstract The World Wide Web is a universal information space. As a medium for human exchange, it is becoming mature, but we are just beginning to build a space where automated agents can contribute--just beginning to build the Semantic Web. The RDF Schema design?[RDFSchema] and XML Schema design?[XMLSchema] began independently, but we explore a common model where they fit together as interlocking pieces of the semantic web technology. Contents Introduction Many paths toward the semantic web The paths come together Requirements for a general model for data on the Web Evolution and partial understanding Total vs. partial information Global universality and local constraint Data Models: Trees, Graphs and Tables Relational Data Object Types Logic systems Conclusion References Introduction The architecture of the World Wide Web provides users with a simple hypertext interface to a variety of remote resources, from static documents purely for human consumption to interactive data services. HTML, the data format that facilitated the widespread deployment of the Web, started by adding URI based linking to word processor style rich text to provide basic global hypertext functionality. The addition of forms to HTML provided a minimal but functional user interface to interactive data services. W