计算机英语课件-p6.6

1. Web 1.0
同位语
The Shallow Web, also known as the Static Web,
is primarily a collection of static HTML Web pages
定语
providing information about products or services
状语
Web and thereby enrich the content base. Besides leveraging the users’ potential in generating content, Web 2.0 applications provide facilities to keep the content under the user’s own categories (tagging feature) and access it easily (Web feed tool). These new breeds of Web applications are also able to integrate multiple services under a rich user interface.
sites, which have no or very little user interaction, are now generally termed as Web 1.0.
?2 (1) What is Shallow Web and what is Deep Web ?
(2) Does Dynamic Web have a little user interaction ?
让步状语从句
Web. Though a visitor to such Web sites gets
information tuned to his or her requirements, these
sites provide primarily one-way interaction and limited user interactivity.[4]
An API from a Web service facilitates Web developers
in collecting data from the service and creating new
online applications based on these data.
The Web 2.0 is a collection of technologies,
定语从句
interactivity that Web applications offer; the technologies used for the creation of Web applications; the social and business impact of the Web; or a combination of these. [2]
The users have no role in content generation and no means to access content without visiting the sites concerned. The Shallow Web sites and Deep Web
非限定性定语从句
KEYWORDS
Web
万维网
medium（复 media)
媒体
sharing
共享
desktop
台式，桌面
desktop computer
台式计算机
notebook computer
笔记本计算机
pocket computer
袖珍计算机
Personal Digital Assistant (PDA) 个人数字助理
Asynchronous JavaScript and XML (AJAX) 异步Java过程语言和扩展的标记语言
The evolution of the Web has brought together some disparate disciplines 同su位c语h as media,
information science, and information and
business strategies, and social trends. The Web 2.0 is
a highly interactive, dynamic application platform than
同位语
状语
its predecessor, Web 1.0, for fielding new kinds of
(1) the Shallow Web (Static Web). (2) the Deep Web (Dynamic Web). (3) the Wisdom Web (Web 2.0). (4) the Mobile Web. (5) the Semantic Web.
?1 By which can we classify Web system and applications ?
2. Web 2.0: The New Face of the Web
In the last few years a new class of Web
同位语
applications, known as Web 2.0(or Service-Oriented
Applications), has emerged. These applications let
6.6 EVOLUTION OF THE WEB AND WEB APPLICATIONS
Main point: ● Introduction to the evolution of Web from
following five types of the Web: ★ Shallow Web ★ Deep Web ★ Wisdom Web ★ Mobile Web ★ Semantic Web
Fig.6-5 Classification of the Web
content stored on databases enabled Web developers
to provide customized information to visitors. These
sites are known as the Deep Web, or the Dynamic
状语
communication technology, facilitating the easy
creation, maintenance, sharing, and use of different
types of information from anywhere, any time, 并an列d
mobile phone
移动电话
Hyper-Text Markup Language (HTML) 超文本标记语言
Web page Web site Interactivity service-oriented
万维网网页 万维网网站 交互性 面向服务的
Application Programming Interface (API) 应用编程界面
authoring sites such as wikipedia.[5] The new-(second-) generation Web, a同ls位o语known as
The Wisdom Web (Levy and Stone, 2006), the People-Centric Web, and the Read/Write Web , offers smart user interfaces and built-in facilities for users to generate and edit content presented on the
状语
using
a
variety
of
devices
同su位c语h
as
desktop
and
notebook computers, pocket PCs, personal digital assistants (PDAs), and mobile phones.[1]
The evolution of the Web could be traced and discussed along a few different dimensions and from a few different perspectives: the growth (number) of Web sites and Web pages; the number of Web users; the number of Web visits; the functionality and
(3) What is the main feature of the Web feed technology ?
applications. Recently, a wide array of Web 2.0
applications has been launched.
?3 (1) List some another names of the second generation Web.
(2) Is Wisdom Web more dynamic and highly interactive ?
方式状语
With the incorporation of new Web technologies 同su位c语h as AJAX (Asynchronous JavaScript and XML), Ruby, blog, wiki, social book-marking, and tagging, the Web is fast becoming more dynamic and highly interactive,非w限h定er性e定u语se从r句s can not only pick content from a site but can also contribute to it.[6] The Web feed technology allows users to keep up with a site’s latest content without having to visit it. Another feature of the new Web is the proliferation of Web sites with APIs (application programming interfaces).
Βιβλιοθήκη Baidu
先行代词
Before discussing the evolution of the Web, it is helpful t逻o辑c主la语ssify Web systems and applications based on their key features and technology used for their creation as follows (see Fig.6-5).
people collaborate and share information online in seemingly new ways-同ex位a语m从p句les include social networking sites 同su位c语h as myspace.com, media sharing sites 同su位c语h as youtube.com, and collaborative
offered. To start with, most Web sites were just a
collection of static Web pages. After a while, the Web became dynamic, d状e语livering Web pages created on the fly.[3] The ability to create Web pages from the