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is there a specific reason why Ryanair is missing from the QPX Express API results while it appears in a normal search on Google Flight?
Thanks
Max
I noticed that the QPX API and Ita Software Matrix (by Google) gives the same results, not including a lot of companies like Ryanair.
I asked Google Support about it.
The answer is:
"QPX Express API and Matrix only include fares that are filed with ATPCO. There are a number of small carriers and low cost carriers that do not file."
Asking Google if they consider to add these flights to their APIs the answer was:
"Airlines determine which distribution channel they want to participate in. If any of these airlines were to file with ATPCO, then we would certainly be interested."
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I'm working on a book for Manning and want to use Alchemy News API as part of one of the examples. I have a free license which says it allows for 1,000 transactions per day. Does that mean 1,000 queries or something else? I hit the limit today way earlier than I expected to, at significantly less than 1,000 queries.
Each type of call has different amounts of transactions it uses. The text analysis uses just 1 transaction but the image analysis uses more. I believe it used about 5 transactions per image but it's been awhile since I've used the image recognition.
The number of transactions used is given in the response from AlchemyAPI. It also gives you more details in the documentation.
Query Cost + Result Cost = Total Cost
This is something I learnt today. Therefore you'll run out of transactions easily with loads of data. Keep your queries to a minimum.
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I found the the Google Geocoding API service which is very useful.
but in all sample appears necessary to put an argument called Key for provide the google Api Key. That implies that it involves costs, but I saw that it works well without this argoment.
example:
https://maps.googleapis.com/maps/api/geocode/xml?address=1600+Amphitheatre+Parkway,+Mountain+View,+CA
You can count on? they have any limitations?
Usage Limits
The Google Geocoding API has the following limits in place:
Users of the free API:
2,500 requests per 24 hour period.
5 requests per second.
Google Maps API for Work customers:
100,000 requests per 24 hour period.
10 requests per second.
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I am experimenting a project which grabs product data from retailer web sites using Nokogiri. There are more than 500 retailers and their site structure including page structure are very different to each other.
My initial thoughts were to create one class for each retailer (site) so that any changes can be adopted easily. But I am not sure if each class are to be 'required' (loaded/unloaded) explicitly and would it result in too much performance issues.
I think there is nothing to be concerned of. It is better to preload them in prod env once. They will certainly eat up some memory. But 500 classes is not that many so I think you'll be good.
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I wish to use Google 2-grams for my project; but the data size renders searching expensive both in terms of speed and storage.
Is there a Web-API available for this purpose (in any language) ? The website http://books.google.com/ngrams/graph renders an image, can I get data values?
Well, I got a round about way of doing that, using Google BigQuery
In that, trigrams are available in public domain. Using Command line access did the job for me.
I found a great alternative: Microsoft Web N-Gram
It can be queried in different ways, including a straighforward GET call through the REST interface.
For instance, calling the URL:
http://weblm.research.microsoft.com/weblm/rest.svc/bing-body/apr10/1/jp?u={YOUR_TOKEN}&p=red+panda
returns
-9.005
which is the log likelihood of the phrase red panda.
Furthermore, it is handier than Google N-Grams, as for a given phrase it does not simply output its absolute frequency, but it can output its joint probability, conditional probability and even the most likely words that follow.
Disclaimer: I am not a Microsoft employee, I simply think that I just found an awesome service.
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I should to prepare myself for upcoming task which consist of a lot of graphs.
I need some data (available in free domain) to train myself.
Bigger - is better...
could you suggest some open data resource?
I'll appreciate this.
You can visit http://snap.stanford.edu/data/ . It contains many different kind of network or graph data.
Here is an answer for your could you suggest some open data resource? and not for which consist of a lot of graphs. So, plz, keep it in mind.
Here (data.gov.au) you can find a huge datasets (864!) of a different types in a different formats (txt, csv, xml, ). You will find a Finance, Industry, Geography, etc. datasets.
In other case, if you want some special (and meaningful data, for example, global population density) you can see this (a bit outdated, but usefull) source from readwriteweb.com.
And one more source: "Open Governmental Datasets" - it's worth to see it indeed.