Tuesday, April 22, 2008

Types of Search Engines

This is a list search engines, including web search engines, Meta search engines, Desktop search tools, and Web portals and vertical market websites that have a search facility for online databases.

General search engines

Open source search engines

Metasearch engines

See also: Metasearch engine

Regional search engines

People search engines

Email-based search engines

Visual search engines

Answer-based search engines

Google-based search engines

Yahoo!-based search engines

Windows-Live-based search engines

Ask.com-based search engines

Job search engines

See also: Job search engine and Category:Job search engines

Forum search engines

Blog search engines

News search engines

Multimedia search engines

Code search engines

BitTorrent search engines

These search engines work across the BitTorrent protocol.

Accountancy search engines

Medical search engines

Property search engines

Business search engines

Comparison shopping search engines

Geographic search engines

Social search engines

  • ChaCha Search
  • Eurekster
  • Google Co-op is a platform provided by Google that allows web developers to feature specialized information in web searches, refine and categorise queries, and create customized search engines
  • Mahalo.com
  • Rollyo
  • Wink provides web search by analyzing user contributions such as bookmarks and feedback
  • Trexy

Desktop search engines

Name

Platform

Remarks

Ask.com

Windows

-

Autonomy

Windows

IDOL Enterprise Desktop Search.

Beagle

Linux

Open source desktop search tool for Linux based on Lucene

Copernic Desktop Search

Windows

-

Docco

Unix

Based on Apache's indexing and search engine Lucene, and it requires a Java Runtime Environment.

dtSearch Desktop

Windows

Ergo

Windows Vista

Displays search results in a 3d manner and allows users to annotate and share files.

Filehawk

Windows

Indexes and searches files' content in computers, networks and removable data storage devices

Gaviri PocketSearch

Windows

Indexes desktop, network drives and portable devices.

Google Desktop

Linux, Mac OS, Windows

Integrates with the main Google search engine page.

GNOME Storage

Linux

-

imgSeek

Linux, Mac OS, Windows

Desktop content-based image search

ISYS Search Software

Windows

ISYS:desktop search software.

Likasoft Archivarius 3000

Windows

-

Meta Tracker

Linux

Open Source Linux desktop search

Spotlight

Mac OS

Found in Apple Mac OS X "Tiger".

Strigi

Linux, Unix

-

Terrier Search Engine

Linux, Mac OS, Unix

Desktop search for Windows, Mac OS X (Tiger), Unix/Linux.

Tracker

Linux, Unix

Open source desktop search tool for Unix/Linux

Tropes Zoom

Windows

Semantic Search Engine.

Windows Desktop Search

Windows

MSN Search Toolbar includes Windows Desktop Search which incorporates much of the desktop search technology initially promised for Windows Vista, the latest version of Microsoft Windows. The search integrates into the task bar and Internet Explorer windows.

X1 Professional Client

Windows

Formerly Yahoo Desktop Search, then X1 Desktop Search, then X1 Enterprise Client

Legal

· Quicklaw

Usenet

Defunct search engines

Enterprise search engines

Search Appliances

  • Google: Google Search Appliance

Image search providers

Popular video search engines

Agnostic Search

Search that is not affected by the hosting of video, where results are agnostic no matter where the video is located:

  • AltaVista Video Search had one of the first video search engines with easy accessible use. Is found on a direct link called "Video" off the main page above the text block.

· blinkx was launched in 2004 and uses speech recognition and visual analysis to process spidered video rather than rely on metadata alone. blinkx claims to have the largest archive of video on the web and puts its collection at around 14,000,000 hours of content.

  • Dabble is a human powered video search engine indexing 29 million videos across hundreds of popular videos sites. Dabble launched in July, 2006.
  • Everyzing (formerly Podzinger until May, 2007) has spent $50 million building speech to text video search. Everyzing takes the user within the actual content by using speech recognition. This enables online video consumers to jump directly to the point in the video for which they are searching. Everyzing founder/CEO recently acknowledged publicly.
  • Fooooo was launched a βversion in March 2007.Today the most used video search engine in Japan.Fooooo offers its service in 11 languages and be possible to search videos from about 90 video/movie sharing sites.
  • Picsearch Video Search has been licensed to search portals since 2006. Picsearch is a search technology provider who powers image, video and audio search for over 100 major search engines around the world.

Non-agnostic Search

Search results are modified, or suspect, due to the large hosted video being given preferential treatment in search results:

  • AOL Video AOL Video offers a leading video search engine that can be used to find video located on popular video destinations across the web. In December of 2005, AOL acquired Truveo Video Search.
  • Google Video is a popular video search hosting site, and permits visitors to upload content to be hosted. It searches its own hosted content, and that of Youtube, which it bought it October, 2006. Found in the list of possible search options after clicking "more" on the main page.
  • Yahoo! Video Search Yahoo!'s search engine examines video files on the internet using its Media RSS standard. Is found on a direct link called "Video" off the main page above the text block.
  • YouTube was created in February 2005, as a 'consumer media company' for people to search for, watch and share original videos worldwide through the Internet. It was bought by Google in October 2006. Youtube and Google video search only themselves, though they have a very large index of video.
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