Medical Search
Engines | Search Engines
& Directories | Help Searching the Web
| Librarians' Bookmarks
Medical Search Engines
These medical search engines help you find web pages dealing
with diseases and medical issues.
CiteLine
- Search for disease, therapy or topic with this search engine.
The user can limit to disease/treatment, news and journals, organizations,
and/or research and trials.
BioCrawler
- Directory and search engine for biological information.
9 - 11. com - Directory
and crawler-based medical search engine aimed at general consumers,
as well as medical practitioners, and researchers.
MedHunt - MedHunt
uses both humans and web crawling to build its index of medical
information. Searches can be narrowed by region, and a French
interface is available.
Medical Word Search
- Listings are created by spidering pages from a select
group of medical sites, in order to keep results tightly focused.
Accumedinfo
- Search engine that scans medical-oriented web sites for matching
pages.
Univers Santé
- Directory covering health and medicine aimed at medical professionals.
Echidna Medical
Search - Searches through Australian medical websites.
Galenicom - Search
engine in Spanish of medical resources on the net.
DataWare
- The Query Server is an advanced meta search tool that broadcasts
a single query across a set of Web-enabled search engines. One
query returns a single merged, ranked and conceptually clustered
list. Health search queries fifteen sites containing health and
medical information.
Medical
Matrix - Medical Matrix is a free directory of selected
medical sites on the Internet. Each site listing has been carefully
evaluated by reviewers from a panel of physicians and medical
librarians. Medical Matrix lists only those sites that meet our
criteria for information quality and site usability, with an
emphasis on usefulness to healthcare practitioners.
Internet Directories & Search Engines
Internet search engines allow you to search the Internet by keyword
or browse it by subject. No search engine covers the entire Internet
and results vary from one search engine to the next. Reading
the online help information provided by an unfamiliar search
engine is essential for successful searching. The following is
a list of Major Internet Directories & Search Engines:
AltaVista - Fast
and comprehensive search service available in 25 languages with
8 distinct search dimensions.
Google
- Google's index, comprised of more than 1 billion URLs, is
a comprehensive collection of useful web pages on the Internet.
While index size alone is not the key determinant of quality
results, it has an obvious effect on the likelihood of a relevant
result being returned.
Excite - Excite
is one of the more popular search services on the web. It offers
a fairly large index and integrates non-web material such as
company information and sports scores into its results, when
appropriate. Excite was launched in late 1995. It grew quickly
in prominence and consumed two of its competitors, Magellan in
July 1996, and WebCrawler in November 1996. These continue to
run as separate services.
Northern
Light - Northern Light is another favorite search engine
among researchers. It features a large index of the web, along
with the ability to cluster documents by topic. Northern Light
also has a set of "special collection" documents that are not
readily accessible to search engine spiders. There are documents
from thousands of sources, including newswires, magazines and
databases. Searching these documents is free, but there is a
charge of up to $4 to view them. There is no charge to view documents
on the public web -- only for those within the special collection.
Northern Light opened to general use in August 1997.
Yahoo!
- It is the largest human-compiled guide to the web, employing
about 150 editors in an effort to categorize the web. Yahoo has
over 1 million sites listed. Yahoo also supplements its results
with those from Google (beginning in July 2000, when Google takes
over from Inktomi). If a search fails to find a match within
Yahoo's own listings, then matches from Google are displayed.
Google matches also appear after all Yahoo matches have first
been shown. Yahoo is the oldest major web site directory, having
launched in late 1994.
Ask Jeeves - Ask
Jeeves is a human-powered search service that aims to direct
you to the exact page that answers your question. If it fails
to find a match within its own database, then it will provide
matching web pages from various search engines. The service went
into beta in mid-April 1997 and opened fully on June 1, 1997.
Some results from Ask Jeeves also appear within AltaVista.
Direct Hit -
Direct Hit measures what people click on in the search results
presented at its own site and at its partner sites, such as HotBot.
Sites that get clicked on more than others rise higher in Direct
Hit's rankings. Thus, the service dubs itself a "popularity engine."
Aside from running its own web site, Direct Hit provides the
main results which appear at HotBot (see below) and is available
as an option to searchers at MSN Search. Direct Hit is owned
by Ask Jeeves.
Fast Search - Formerly called All The Web, FAST Search
aims to index the entire web. It was the first search engine
to break the 200 million web page index milestone and consistently
has one of the largest indexes of the web. The Norwegian company
behind FAST Search also powers some of the results that appear
at Lycos (see below). FAST Search launched in May 1999.
Go - Go is a portal site produced by Infoseek and Disney.
It offers portal features such as personalization and free e-mail,
plus the search capabilities of the former Infoseek search service,
which has now been folded into Go. Searchers will find that Go
consistently provides quality results in response to many general
and broad searches, thanks to its ESP search algorithm. It also
has an impressive human-compiled directory of web sites. Go officially
launched in January 1999. It is not related to GoTo, below. The
former Infoseek service launched in early 1995.
Go To - GoTo sells its
main listings. Companies can pay money to be placed higher in
the search results, which GoTo feels improves relevancy. Non-paid
results come from Inktomi.
HotBot - HotBot
is a favorite among researchers due to its many power searching
features. In most cases, HotBot's first page of results comes
from the Direct Hit service (see above), and then secondary results
come from the Inktomi search engine, which is also used by other
services. It gets its directory information from the Open Directory
project.
Netscape - Netscape
Search's results come primarily from the Open Directory and Netscape's
own "Smart Browsing" database, which does an excellent job of
listing "official" web sites. Secondary results come from Google
MSN - Microsoft's MSN
Search service is a LookSmart-powered directory of web sites,
with secondary results that come from Inktomi. RealNames and
Direct Hit data is also made available. MSN Search also offers
a unique way for Internet Explorer 5 users to save past searches.
NBCi - NBCi is a human-compiled
directory of web sites, supplemented by search results from Inktomi.
Like LookSmart, it aims to challenge Yahoo as the champion of
categorizing the web. NBCi launched in late 1997 and is backed
by NBC.
Raging Search
- Operated by AltaVista, Raging Search uses the same core index
as AltaVista and virtually the same ranking algorithms. Why use
it? AltaVista offers it for those who want fast search results,
with no portal features getting in the way.
Help Searching the Web
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