Create a search engine.

Create a search engine.

Cancelled

Job Description

Make a search engine. Do no evil.

Use these examples for reference of the functionality we require:

General
Baidu (Chinese, Japanese)
Bing
Blekko
Google
Sogou (Chinese)
Soso.com (Chinese)
Volunia
Yahoo!
Yandex.com
Yodao (Chinese)

P2P search engines
FAROO
Seeks (Open Source)
YaCy (Free and fully decentralized)

Metasearch engines

See also: Metasearch engine
Blingo
Yippy (formerly Clusty)
DeeperWeb
Dogpile
Excite
Harvester42
HotBot
Info.com
Ixquick
Kayak
Mamma
Metacrawler
Mobissimo
Otalo
PCH Search and Win
SideStep
WebCrawler

Geographically limited scope
Accoona, China/United States
Alleba, Philippines
Ansearch, Australia/United States/United Kingdom/New Zealand
Biglobe, Japan
Daum, Korea
Goo, Japan
Guruji.com, India
Leit.is, Iceland
Maktoob, Arab World
Miner.hu, Hungary
Najdi.si, Slovenia
Naver, Korea
Onkosh, Arab World
Rambler, Russia
Rediff, India
SAPO, Portugal/Angola/Cabo Verde/Mozambique
Search.ch, Switzerland
Sesam, Norway, Sweden
Seznam, Czech Republic
Walla!, Israel
Yandex.ru, Russia/Turkey
Yehey!, Philippines
ZipLocal, Canada/United States

Accountancy
IFACnet

Business
Business.com
Getit Infoservices Private Limited
GenieKnows (United States and Canada)
GlobalSpec
Nexis (Lexis Nexis)
Thomasnet (United States)
Justdial

Enterprise

See also: Enterprise search
Funnelback: Funnelback Search
Jumper 2.0: Universal search powered by Enterprise bookmarking
Oracle Corporation: Secure Enterprise Search 10g
Q-Sensei: Q-Sensei Enterprise
TeraText: TeraText Suite

Food/Recipes
RecipeBridge: vertical search engine for recipes
Yummly: semantic recipe search

Mobile/Handheld
Taganode Local Search Engine
Taptu: taptu mobile/social search

Job

Main article: Job search engine
Bixee.com (India)
CareerBuilder.com (USA)
Craigslist (by city)
Dice.com (USA)
Eluta.ca (Canada)
Hotjobs.com (USA)
Incruit (Korea)
Indeed.com (USA)
LinkUp.com (USA)
Monster.com (USA), (India)
Naukri.com (India)
Yahoo! HotJobs (Countrywise subdomains, International)

Legal
Google Scholar
Lexis (Lexis Nexis)
Manupatra
Quicklaw
WestLaw

Medical
Bing Health
Bioinformatic Harvester
EB-eye EMBL-EBI's Search engine
Entrez (includes Pubmed)
GenieKnows
GoPubMed (knowledge-based: GO - GeneOntology and MeSH - Medical Subject Headings)
Healia
Healthline
Nextbio (Life Science Search Engine)
PubGene
Quertle (Semantic search of the biomedical literature)
Searchmedica
WebMD

News
Bing News
Daylife
Google News
MagPortal
Newslookup
Nexis (Lexis Nexis)
Topix.net
Yahoo! News

People
Comfibook
Ex.plode.us
InfoSpace
PeekYou
Spock
Spokeo
Wink
Worldwide Helpers
Zabasearch.com
ZoomInfo

Real estate / property
Fizber.com
HotPads.com
Realtor.com
Redfin
Rightmove
Zillow.com

Television
TV Genius

Video Games
Wazap (Japan)

By information type

Search engines dedicated to a specific kind of information

Forum
Omgili

Blog
Amatomu
Bloglines
BlogScope
IceRocket
Regator
Technorati

Multimedia

See also: Multimedia search
Bing Videos
blinkx
FindSounds
Google Video
Munax's PlayAudioVideo
Picsearch
Pixsta
Podscope
ScienceStage
SeeqPod
Songza
TinEye
TV Genius
Veveo
Yahoo! Video
YouTube

Source code
Google Code Search
JExamples
Koders
Krugle

BitTorrent

These search engines work across the BitTorrent protocol.
FlixFlux
Isohunt
Mininova
The Pirate Bay
TorrentSpy
Torrentz
Tornado.li

Cloud

Search engines listed below find various types of files that have been stored in the cloud and made publicly available.
Open Drive

Email
Lookeen
TEK

Maps
Bing Maps
GĂ©oportail
Google Maps
MapQuest
Nokia_Maps
OpenStreetMap
WikiMapia
Yahoo! Maps

Price
Bing Shopping
Google Shopping (formerly Google Product Search and Froogle)
Kelkoo
MySimon
PriceGrabber
PriceRunner
PriceSCAN
Pronto.com
Shopping.com
ShopWiki
Shopzilla (also operates Bizrate)
SwoopThat.com
TheFind.com
Wishabi

Question and answer

Human answers
Answers.com
Ask Me Help Desk
DeeperWeb
eHow
Quora
Stack Overflow/Stack Exchange Network
Uclue
wikiHow
Yahoo! Answers

Automatic answers

See also: Question answering
AskMeNow
BrainBoost
True Knowledge
Wolfram Alpha

Natural language

See also: Natural language search engine and Semantic search
Ask.com
Bing (Semantic ability is powered by Powerset)
hakia
Lexxe

By model

Privacy search engines
DuckDuckGo
Ixquick

Open source search engines
DataparkSearch
Egothor
Grub
ht://Dig
Isearch
Lemur Toolkit & Indri Search Engine
Lucene
mnoGoSearch
Namazu
Nutch
Recoll
Sciencenet (for scientific knowledge, based on YaCy technology)
Seeks
Sphinx
SWISH-E
Terrier Search Engine
Wikia Search (defunct)
Xapian
YaCy
Zettair

Semantic browsing engines
Hakia
Yebol

Social search engines

See also: Social search, Relevance feedback, and Human search engine
ChaCha Search
Delver
Eurekster
Mahalo.com
OneRiot
Rollyo
SearchTeam
Sproose
Trexy
Wink provides web search by analyzing user contributions such as bookmarks and feedback

Visual search engines

See also: Visual search engine
ChunkIt!
Grokker
Pixsta
PubGene
TinEye
Viewzi
Macroglossa

---
Skills: science, video, games, youtube