I am designing a document reccommender system, where i need to use maching learning algorithm for document classification and PHP language do not have libraries available to do this task. as i have to play with user behaviours as well that's why i have designed my application in PHP. Is it possible to use python/java for document classification (using machine learning algorithm such as SVM, Naive byes) and use its results in PHP application?
Hi Zafar
not so sure about the interface with PHP but Mahout could be a solution of choice, it is a Java based recommender.
Alain
What you can do is do a Curl invocation in PHP to get a JSP/servlet output of the java libraries that you are interacting with.
I think it is possible.
First there are PHP-to-Java interfacing libraries out there. Read the StackOverflow thread to get a feel of examples and how to do this.
Secondly, you can also build your own asynchronous mechanism for that, you can connect the PHP app to the Java app using a Queue. PHP should have a queue library. So both app communicates via the queue, to classify a document, send a request to the queue, the Java app picks it up and send a notification to the queue when completed.
http://stackoverflow.com/questions/5909244/how-to-use-java-from-php-5
read this
http://www.oracle.com/technetwork/articles/dsl/oracle-java-zend-server-152557.html
Do you really need PHP to do the job? Can't you substitute it with JSP/Servlet or Python web?
Technically, this is perfectly possible using some of the above recommended approaches. It probably is not the best idea, though, for a technology mix without clear advantages will increase overhead, decrease maintainability, and most likely make things more complicated.
If your application is enterprise, the best way is to use general integration patterns like Web Services or Messaging. This way you can integrate PHP to Java, Python or every other programming language. Also you can decouple the implementations of front-end (PHP) & back-end (Java/Python) in a very clean manner.
There are a lot of Web Service (SOAP/REST) libraries or Messaging libraries for either PHP, Java, Python or other languages. You can find the best option which is proportionate for your application by searching in google.
I think you can combine this technologies, as @Nima with WebServices or Messaging can be accomplish this. In PHP there are libraries like Guzzle or Ratchet to do this. Also if you can use libraries for machine learning, you can reuse PHP projects with this goal and try to implement it. As an example I attach some links and projects on GitHub. Check it out and maybe you will have a different step.
Bests
https://github.com/tistaharahap/Simple-Naive-Bayes-Classifier-for-PHP
https://php-ml.readthedocs.io/en/latest/machine-learning/classification/naive-bayes/
https://github.com/camspiers/statistical-classifier
You can definitely, combine java/python and php to make an online recommender system.
About your architecture it will be rather simple:
A client side part: with php/html to display and interact with the recommender system that will make call of a web service
A server side: in python or java, that implements a REST api: and that will be used to over ride all the function you need for the recommender system: predict /fit....
In this case A REST api this is the best option as you don't have to rewrite all your python/java source code and just call your recommender system. Also is it very easy to implement and debug!
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