>>> import urllib
>>> url = 'http://wikipedia-miner.cms.waikato.ac.nz/services/wikify'
>>> post = {'source': 'set help', 'sourceMode': 'AUTO', 'repeatMode': 'FIRST_IN_REGION', 'minProbability': '0.5', 'responseFormat': 'JSON'}
>>> data = urllib.urlopen(url, urllib.urlencode(post)).read()
>>> json.loads(data)['detectedTopics']
[{u'id': 59236, u'weight': 0.5636090655337187, u'title': u'Set (mythology)'}]