Mozilla, Places and Full Text Index By Kunal

Mozilla Netscape Mozilla.org - 1998 Mozilla.com - 2003

Netscape

Mozilla.org - 1998

Mozilla.com - 2003

Mozilla Framework XPCom Object Chrome, Gecko

XPCOM Component

Beauty Highly extensible codebase XPConnect, Javascript, C++ Embedding Mozilla Layout Engine Javascript Engine – Tamarin Application Platform - XULRunner Firefox (Stripped down mozilla)‏ browser toolkit

Highly extensible codebase

XPConnect, Javascript, C++

Embedding Mozilla

Layout Engine

Javascript Engine – Tamarin

Application Platform - XULRunner

Firefox (Stripped down mozilla)‏

browser

toolkit

Extension Framework XUL Overlays Configuration files You can use Javascript COM objects Roll your own COM JS, c++ Now, Python, Java, Ruby, Perl

XUL

Overlays

Configuration files

You can use

Javascript

COM objects

Roll your own COM

JS, c++

Now, Python, Java, Ruby, Perl

Netscape Portable Runtime Type n/w i/o String memory threads Safe Ptr

Type

n/w

i/o

String

memory

threads

Safe Ptr

Other Features XPInstall

XPInstall

Infrastructure One of the largest developer code base Bugzilla Wiki Tinderbox Bonsai MXR

One of the largest developer code base

Bugzilla

Wiki

Tinderbox

Bonsai

MXR

Places New bookmark system Currently Enabled in firefox3 alpha 5 Aim Faster API Rewrite, seamless SQLite

New bookmark system

Currently Enabled in firefox3 alpha 5

Aim

Faster

API

Rewrite, seamless

SQLite

Places: Full Text Indexing Objective: To enable user search through terms among all the visited pages Google Desktop Search, Beagle etc.. Why? Privacy API and Extensions

Objective: To enable user search through terms among all the visited pages

Google Desktop Search, Beagle etc..

Why?

Privacy

API and Extensions

FTI: Design Descision How does indexing work? Formal Course terms, doc, Posting table ranking algorithm Clucene? FTS1 and FTS2? B-Tree? Relational Database

How does indexing work?

Formal Course

terms, doc, Posting table

ranking algorithm

Clucene?

FTS1 and FTS2?

B-Tree?

Relational Database

Using Relational Database for Full-Text-Index Variable Length Encoding Blocks Table word firstdoc flags(0, 0 < flags < 128, 128, flags > 128)‏ block

Variable Length Encoding

Blocks

Table

word

firstdoc

flags(0, 0 < flags < 128, 128, flags > 128)‏

block

Modules Indexing Module Analyzer Query Parser Integration

Indexing Module

Analyzer

Query Parser

Integration