Grade Keeper: 21st century search engines teachers must be aware of part 2

This is a follow up post to the 21st century search engines teacher must be aware of part 1 in which I talked about three search engines namely : Bing , Biographicon, and Cyclo.ps .In today’s post , I will be talking about another four search engines that are very important as far as education is concerned .
1- Forestle
Forestle is a very nice search engine .It is not so much different from other search engines we have seen so far except that it promotes a very good cause which is that of the safeguard of the rain forst.
Here is a snapshot oh a the search result I got for the key word web2.0

2- Goofram

Goofram is a new mush-up that combines Google and Wolfram Alpha to provide a unique search service. Although it takes a bit longer to search Goofram because of the complicated calculations Alpha performs whenever a search query is launched , its results are very refined and to the point .
3- Got

Got is a mush-p of Google blogs and Twitter . It is powered by Google and is very useful in staying updated about Twitter and search engine results .

4- Hakia

Hakia is a semantic search technology engine . To bring you close to what semantic search engines mean , here are ten points explaining the main features of such engines :

Handling morphological variations
Handling generalization
Handling concept matching
Knowledge matching
Natural language queries and questions
Ability to point to uninterrupted paragraph and the most relevant sentences
Ability to enter queries freely , no special formats like quotes or Boolean operators
Ability to operate without relying on statistics , user behavior , and other artificial means .
Ability to detect its own performance

To read the details of those points let me refer you back to : What is semantic search ?

Read The 21st century search engines teachers must be aware of part 3 .