Database Reference
In-Depth Information
<num_queries int="20700000"/></CompleteSuggestion>
<CompleteSuggestion><suggestion data="san francisco is known for"/>
<num_queries int="122000000"/></CompleteSuggestion>
<CompleteSuggestion><suggestion data="san francisco is weird"/>
<num_queries int="6830000"/></CompleteSuggestion>
<CompleteSuggestion><suggestion data="san francisco is for carnivores"/>
<num_queries int="103000"/></CompleteSuggestion>
<CompleteSuggestion><suggestion data="san francisco is boring"/>
<num_queries int="3330000"/></CompleteSuggestion>
<CompleteSuggestion>
<suggestion data="san francisco is the best city in the world"/>
<num_queries int="63800000"/></CompleteSuggestion>
<CompleteSuggestion><suggestion data="san francisco is gay"/>
<num_queries int="24100000"/></CompleteSuggestion>
<CompleteSuggestion><suggestion data="san francisco is burning"/>
<num_queries int="11200000"/></CompleteSuggestion>
<CompleteSuggestion><suggestion data="san francisco is overrated"/>
<num_queries int="409000"/></CompleteSuggestion>
</toplevel>
Wolfram Alpha
The Wolfram Alpha platform pulls together a very broad range of facts and igures on everything
from chemistry to inance . The REST API takes in some search terms as input, and returns
an XML document containing the results. The output is a series of sections called pods, each
containing text and images ready to display to users. Unfortunately there's no easy way to get
a machine-readable version of this information, so you can't do further processing on the data
within your application. It's still a rich source of supplemental data to add into your own search
results, though, which is how Bing is using the service.
If you're a noncommercial user, you can make up to 2,000 queries a month for free, and you can
experiment with the interactive API console if you want to explore the service. The commercial
rates range between two and six cents a call, depending on the volume. The terms of use prohibit
any caching of the data returned from the service and you'll need to sign up for a key to access
it:
curl "http://api.wolframalpha.com/v2/query?\
appid=<key>input=General%20Electric&format=image,plaintext,cell,minput"
<?xml version='1.0' encoding='UTF-8'?>
<queryresult success='true'
error='false'
...
<pod title='Latest trade'
scanner='FinancialData'
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