Glossary

APPEL

A P3P Preference Exchange Language [6] .

CA

Certificate Agency.

Cookie

A cookie is a piece of information (text) that a Web site can store in a person's browser. The specifications for cookies are explicitly laid out in the Request for Comments (RFC) 2109 (HTTP State Management Mechanism) [1] .

DFS

Depth-First-Search.

DTD

Document Type Declaration. A set of constraints for one or more XML documents. See [Walsh97] for detailed information.

Email

Electronic mail.

GIF

Graphic Interchange Format. Originally developed by CompuServe in 1987.

HTML

HyperText Markup Language.

HTTP

HyperText Transfer Protocol [8] .

JPEG

A standardized image compression mechanism. JPEG stands for Joint Photographic Experts Group, the original name of the committee that wrote the standard.

KIF

Knowledge Interchange Format [25] .

KQML

Knowledge Query Manipulation Language [26] .

MEG

Acronym for the basic building blocks of WBI. Stands for Monitor/Editor/Generator.

OMT

Object Modeling Technique is the name for an object-oriented methodology that combines three views (object model, dynamic model and functional model) of modeling systems [Rumbaugh91] .

OPA

Online Privacy Agent.

P3P

Platform for Privacy Preferences Project [5] .

PGP

Pretty Good Privacy, a public key encryption method based on RSA [3] .

RDF

Resource Description Framework.

RFC

Request For Comments.

RSA

Short form for Rivest, Shamir, and Adleman, who invented the RSA public key encryption.

SGML

Standard Generalized Markup Language.

Spam

Proliferation of unsolicited bulk email.

SSL

Secure Socket Layer [2] .

TCP / IP

Transmission Control Protocol / Internet Protocol.

URI

Uniform Resource Identifier.

URL

Uniform Resource Locator.

VM

Virtual Machine.

W3C

World Wide Web Consortium [4] .

WBI

Web Browser Intelligence [9] .

WWW, Web

World Wide Web. Historic and general information about the Web can be found at: http://www.w3.org/WWW/.

XML

Extensible Markup Language [14] .


April 9, 1999 · Jörg Meyer · jmeyer@almaden.ibm.com