terms and definition — Week 12

Terms selection - 10

Web Spider
A Web spider is a computer program that browses the World Wide Web in a methodical, automated manner. Many sites, in particular search engines, use spidering as a means of providing up-to-date data. Web crawlers are mainly used to create a copy of all the visited pages for later processing by a search engine that will index the downloaded pages to provide fast searches. Crawlers can also be used for automating maintenance tasks on a Web site, such as checking links or validating HTML code. Also, crawlers can be used to gather specific types of information from Web pages, such as harvesting e-mail addresses (usually for spam).

Ref: http://en.wikipedia.org/wiki/Web_spider

VRML
VRML (Virtual Reality Modeling Language) is a standard file format for representing 3-dimensional (3D) interactive vector graphics, designed particularly with the World Wide Web in mind. It has been superseded by X3D.

Ref: http://en.wikipedia.org/wiki/VRML

XQuery
XQuery is a query and functional programming language that is designed to query collections of XML data.

Ref: http://en.wikipedia.org/wiki/Xquery

Internet Information Services (IIS)
Internet Information Services (IIS) - formerly called Internet Information Server - is a set of Internet-based services for servers created by Microsoft for use with Microsoft Windows. It is the world's second most popular web server in terms of overall websites behind the industry leader Apache HTTP Server. As of April 2009[update] it served 29.27% of all websites according to Netcraft. The servers currently include FTP, FTPS, SMTP, NNTP, and HTTP/HTTPS.

Ref: http://en.wikipedia.org/wiki/Internet_Information_Services

Aspect
In computer science, an aspect is a part of a program that cross-cuts its core concerns, therefore violating its separation of concerns.

Ref: http://en.wikipedia.org/wiki/Aspect_(computer_science)

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