In [2]:

    

datafile = '../data/Paris.openie'


    

In [16]:

    

import pandas as pd
import csv
import numpy as np


    

In [9]:

    

values = pd.read_csv(datafile, sep='\t', header=None, quoting=csv.QUOTE_NONE, names=['confidence', 'context', 'arg1', 'rel', 'arg2s', 'sentence_id', 'sentence'])


    

In [30]:

    

len(values[values['context'].map(pd.isnull)])


    

    
Out[30]:





971