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Deep Web

Present and Future
by

Alexander Mera

on 4 May 2010

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Transcript of Deep Web

Deep Web: Present and Future
Alexander A. Mera
Sumário Introduction
Structured data on the web
Deep Web approaches
Virtual integration
Surfacing
The role of semantics
Aggregating structured data on the web



Introduction Deep Web
Search engines only can reach the content on the surfaced
content Hidden behind HTML forms
Data Bases
Private information



Structured data on the web Unstructured queries

Single-page structured queries

Multi-page structured queries
Structured data on the web The structured data on the web comes mainly in two forms:

HTML tables

Structured query interfaces
Deep Web approaches The virtual integration

The surfacing The web browser sends an HTTP request with the inputs and their values to the server using:
Get :
http://jobs.com/find?src=hp&kw=chef&st=Any&sort=salary&s=go
Post :
http://jobs.com/find
Full transcript