New frontiers of information retrieval
Qwiki seems to be a product serving this need

This edition of Netspeak takes a quick look at some of the new entrants in the 
realm of information retrieval, a highly explosive segment of cyberspace.
Qwiki
Whenever we come across an unfamiliar theme or topic or historical event or 
something similar, the common recourse is an encyclopaedia.
However, the current encyclopaedia content has one serious shortcoming, that is 
its text-based content. Generally, the potential of the current 
graphics/multi-media technology is not exploited that much. There cannot be any 
dispute on the significance of presenting content using audio/video tools.
For instance, while describing how kidney functions, instead of simply 
explaining the process using just text content, if we can present the video 
clipping of the internals of kidney and other organs with necessary voice-over, 
it would help the user internalise the concept faster. The new service Qwiki 
(http://www.qwiki.com/) seems to be a product serving this need rather 
elegantly.
The main distinction of Qwiki when compared with other information retrieval 
tools is its lively interactive experience. For instance, if you seek for 
information about a reasonably known personality, it will provide you a brief 
bio-sketch of that person with a balanced mix of text, image and video content 
with voice-over.
Similarly this service could come in handy in gauging the main attractions of a 
prospective place of visit. In response to your query, the system culls 
information - text, image video etc - pertaining to the subject and generates a 
Qwiki on the fly. The service offers content on a variety of topics - people, 
subjects, historical events and cities. Though the service is in just alpha, 
you will be surprised at the kind of content that comes from it.
DuckDuckGo
Despite the existence of popular search engines, several new alternatives 
emerge regularly (of course, many of them slide into the oblivion too). One 
such alternative search engine, gaining popularity (especially among the savvy 
Net crowd), is DuckDuckGo.
In response to a query, search engines like Google simply display the pages 
that contain the keyword. However, while delivering search results these search 
services generally do not consider the varied connotation of the word.
For instance, if you enter the word 'virus' you may find web pages discussing 
both computer viruses and clinical viruses. Of course, for a person seeking 
information on computer viruses, this could present many frustrating moments.
One solution to avoid such frustrations is to be more careful while entering 
the keyword (for instance, here enter 'computer-virus' instead of just virus). 
But this may not be feasible always as the user may not be aware of all the 
possible connotations of the word/phrase.
Ideal solution to such word-ambiguities is to make the search engine force the 
user to correct the word before embarking on the search process. Perhaps it can 
warn the user about the different meanings of the word and offer the user a 
range of alternatives.
Such a search service is no more a wishful thinking! DuckDuckGo 
(http://duckduckgo.com/), the fast growing search service, does this pretty 
well. For instance, if you type the word, 'iceberg', before starting the search 
it offers you different meanings of 'iceberg' in different contexts. From the 
displayed alternatives, you can choose the one that suits your need. Of course, 
this is just one of the many advantages of this simple but innovative search 
engine.
Spam-free and reasonably meaningful links in the search output is an important 
aspect of this service.
Besides offering appropriate results in a clean, easy-to-read, uncluttered 
interface, the service helps to navigate the output effortlessly.
As soon as one reaches the end of the first set of results, the service 
automatically loads the next set - no 'Next' button clicking and all that.
Another notable aspect of this service is its '!Bang' option that enables 
focussed searches with ease. For instance, if you wish to narrow your search to 
Twitter database, invoke the search with the prefix '!twitter' (like '!twitter 
spectrum scam'). Twitter aside, DuckDuckGo's '!Bang' feature lets you search 
hundreds of other sites directly (http://duckduckgo.com/bang.html).
Yet another awesome feature of the service is the facility called 'zero-click 
info'.
With each search, just above the results, the service presents an answer box 
(zero-click Info) that contains some explanation/description/information 
(culled from genuine sources like Wikipedia) on the subject or theme being 
queried.
Instead of searching all over the Web, search within topic-specific sites may 
yield better search output. Blekko (http://blekko.com/) is one such service 
worth a look in this context.
Besides offering several built-in topic-specific site lists (called 
'slashtags'), Blekko lets you create own lists too. To search on a specific 
list (say 'science'), just add the relevant 'slashtag' at the end of the 
keyword (example: global warming /science).
An on-line book on Net fundamentals
Net is fast becoming an essential ingredient of modern way of life. Though you 
can access the Web from the comfort of your home, web journey without caution 
could land you in deep trouble. A reasonably good knowledge on different Web 
technologies would certainly help you navigate the Web with lesser hiccups. 
This context makes the free on-line book "20 Things I Learned About Browsers 
and the web" rather significant.
This free book from 'Google Chrome' team lucidly explains topics such as 'What 
is Internet', 'Cloud Computing" "HTML/HTML5", "Browser cookies", 'IP address 
and DNS" and so on. So, if you wish to be an informed netizen, jump over to: 
http://www.20thingsilearned.com/.
Mdownloader
We are familiar with several free file-hosting services (such as Rapidshare) in 
which one can find lots of valuable resources. However, downloading from those 
resources in the usual manner is a painful process, as we have to go through 
several mundane steps each time we download. One solution to circumvent this 
issue is to use a download tool that can automate this process. We have 
introduced a couple of tools in the past (like 'Mpony'). In this regard you may 
try out Mdownloader (http://mdownloader.codeplex.com/), yet another download 
program, recently stumbled on by NetSpeak. Mdownloader lets you download files 
from a plethora of services such as Rapidshare, Megaupload, Easyshare, 
filefactory and so on.
J. MURALI


With thanks and regards


"I turned to speak to God
              About the world's despair;
              But to make bad matters worse
              I found God wasn't there."

                                --Robert Frost

(Rajesh Asudani)
Assistant General Manager
Reserve Bank of India
Nagpur
Cell: 9420397185
o: +91 712 2806846
R: 2591349


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