Detector de sarcasmo latino dating, welcome to reddit.
Sometimes tweets are responses to other tweets, in which case the sarcasm can only be understood within the context of the previous tweets. I did some preliminary experiments with the spell check of the library Textblob but I did not get any improvements using it, perhaps a better spell checker would do better.
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To extract those, each tweet was tokenizedstemmeduncapitalized and then each n-gram was added to a binary feature dictionary. Some people use the sarcasm hashtag to point out that their tweet was meant to be sarcastic, but a Human would not have been able to guess that the tweet is sarcastic without the label sarcasm example: However, most of the implementations of these algorithms do not accept sparse matrices as inputs, and since we have a large number of nominal features coming from our n-grams features it is imperative that we encode our features in a sparse matrix.
And how do we extract them from the tweet? Our members are a diverse group who work hard and want to achieve the same success in their love lives as they have in their professional.
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It wasn't clear to me that this was possible because sarcasm is a complicated concept. Joining Latino Dating is so easy and free. Our local and international singles alike enjoy our uncompromised dedication and unlimited access to thousands of other single girls profiles from across the globe.
Preprocessing the data Before extracting features from our text data it is important to clean it up. Results and insights To understand the relative importance of each set of features, we can train our algorithm using only n-grams, only the sentiments or only the topics and look at the corresponding F-scores.
One option would be to go over an online corpus which might contain some sarcastic sentences, for example online reviews or comments, and label the sentences by hand.
Then each tweet can be decomposed as a sum of topics, which we use as features. It's not clear to me whether or not this sarcasm detector would be useful for the U. This should reduce the number of dimensions of the dictionary for the n-gram features and improve the sentiment analysis as well.
We add this last requirement in order to remove some noise from the sarcastic dataset since I do not believe that one can be sarcastic with only 2 words. I love being cheated on sarcasm.
We're with you every step of the way - from first impression to first date and beyond. To remove the possibility of having sarcastic tweets in which the sarcasm is either in an attached link or in response to another tweet, we simply discard all tweets that have http addresses in them and all tweets that start with the symbol.
Choosing a classifier There is a very wide range of machine learning algorithms to choose from, most of which are available in the python library Scikit-learn. The metric I used to guide my cross-validation is the F-score. This means that sarcastic tweets are more about expressing feelings, either positive or negative, than non-sarcastic tweets.
The tools used Here is a laundry list of tools used in this project: Chat with Local People Near you!
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At Latino Dating, we're so much fun! I will discuss in the next section how to remove most of that noise, but short of reading all the tweets and labeling them by hand we cannot remove all the noise. This all started when I was looking for a toy project to teach myself natural language processing NLPa field that takes ideas from machine learning and applies them to text data.
The other option is to rely on the people writing the sentences to tell us whether their sentences are sarcastic or not. This shows that there is a vocabulary associated with sarcasm after all and it's not just in the tone!
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A good learning algorithm will learn the vocabulary associated with spam emails, so when presented with an email which contains words in that vocabulary the classifier will classify that email as spam. These n-grams all make perfect sense, but since I streamed the tweets during the FIFA World Cup I also ended up with three relevant unigrams for sarcastic tweets that are somewhat unexpected: To maximize the number of English tweets when we collect non-sarcastic tweets, we require that the location of the tweet is either San-Francisco or New-York.
The sarcasm detector
This was a perfect project to use NLP, so I decided to give it a try. For the sentiment analysis, the classifier learned that sarcastic tweets are overall slightly more positive than non-sarcastic tweets and that the first half of a sarcastic tweet is more often positive while the last half of a sarcastic tweet is more often negative.
We pride ourselves on bringing like-minded people together and creating relationships that last. We first feed all the tweets to the topic modeler which learns the topics. I got the best results in cross validation using SVM with an euclidean regularization coefficient of 0. By looking up words in this dictionary, we can give a sentiment score to each part of the tweets.
Notspam, Free access or Enlarge your This can be a very tedious exercise if we want to have a large data set.
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No scams, no gimmicks, ever! However what seems to matter the most is the subjectivity which is also measured by the library Textblob.
Because we know our users are busy we streamline the dating process as much as possible. Since tweets are often about what is currently happening in the world, it is important to collect the positive sarcastic and negative non-sarcastic samples during the same time period in order to isolate the sarcasm variable.
In our case we have 5 times more non-sarcastic tweets than sarcastic tweets. The first one is my own quick and dirty implementation which uses the SentiWordNet dictionary. Sometimes the label sarcasm is meant to indicate that, while the tweet itself is not sarcastic, some of its hashtags are example: This dictionary gives a positive and a negative sentiment score to each word of the English language.
The code can be found on https: We also make it easy for you to incorporate dating into your everyday life. We call these groups of words topics. I ended up collecting 20 clean sarcastic tweets and clean non-sarcastic tweets over a period of three weeks in June-July see section below to understand what a clean tweet is.
Sign up today on Latino Dating and have a taste of the true Latino dating! The converse also happens, someone may write a tweet which is clearly sarcastic but without the label sarcasm. Meet Hispanic or Latino singles near you!
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