tankcdr

public WatsonQA(string corpus, string baseURL, string uid, string pwd)
{
    this.url = baseURL + "/v1/question/" + corpus;
    this.uid = uid;
    this.pwd = pwd;
    Console.WriteLine("url:" + this.url);
    Console.WriteLine("uid:" + this.uid);
    Console.WriteLine("pwd:" + this.pwd);
}

tankcdr

public string AskQuestion(string question)
{
    string answers = null;
    string data = "{\"question\" : { \"evidenceRequest\":{\"profile\":\"NO\"},\"questionText\" : \"" + question + "\"}}";
    var qaCall = (HttpWebRequest)WebRequest.Create(url);
    try
    {
        string auth = string.Format("{0}:{1}", this.uid, this.pwd);
        string auth64 = Convert.ToBase64String(Encoding.ASCII.GetBytes(auth));
        string credentials = string.Format("{0} {1}", "Basic", auth64);

tankcdr

    try
    {
        WebResponse qaResponse = qaCall.GetResponse();
        Stream requestStream = qaResponse.GetResponseStream();
        StreamReader responseReader = new StreamReader(requestStream);
        answers = responseReader.ReadToEnd();
        responseReader.Close();
    }
    catch (System.Net.WebException e)
    {

tankcdr

private void loadAnswerData(string question)
  {
      answerData.Clear();
      //call Watson
      var response = this.qaService.AskQuestion(question);
      //parse JSON response
      JArray payload = JArray.Parse(response);
      //obtain answer items we are interested in
      var answerList =
           from p in payload[0]["question"]["evidencelist"]

tankcdr

'use strict'

var wdc = require('watson-developer-cloud-alpha'),
    restify = require('restify'),
    server = restify.createServer(),
    question_and_answer_travel = wdc.question_and_answer({
	username: '[user name]',
        password: '[password]',
        version: 'v1',
        dataset: 'travel'

tankcdr

curl -H "Content-Type: application/json" -X POST http://127.0.0.1:8080/travel/ask \
                            -d '{"question": "Do I need a visa to enter Italy?"}'

tankcdr

use strict'

var wdc = require('watson-developer-cloud-alpha'),
    restify = require('restify'),
    server = restify.createServer(),
    question_and_answer_travel = wdc.question_and_answer({
        version: 'v1',
        use_vcap_services: true,
        dataset: 'travel'
    })

tankcdr

cf create-service question_and_answer question_and_answer_free_plan cmmqa

tankcdr

applications:
- services:
-cmmqa
name: wdctravel
path: .
memory: 128M 

tankcdr

use strict'
var wdc = require('watson-developer-cloud-alpha'),
restify = require('restify'),
server = restify.createServer(),
question_and_answer_travel = wdc.question_and_answer({
version: 'v1',
use_vcap_services: true,
dataset: 'travel'
})
server.use(restify.fullResponse())