Gender Recognition on Dutch Tweets - PDF Gender Recognition on Dutch Tweets - PDF

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Feature type Unigram 1: Gender recognition has also already been applied to Tweets. Be Original 3-gram About 77K features. Ierse mannen dating 1, 2, and 3 show accuracy measurements for the token unigrams, token bigrams, and normalized character 5-grams, for all three systems at various numbers of principal components.

In addition, the recognition is of course also influenced by our particular selection of authors, as we will see shortly. Most of them rely on the tokenization described above.

The best performing character n-grams normalized 5-gramswill be most closely linked to the token unigrams, with some token bigrams thrown Nigeria dating site in london, as well as a smidgen of the use of morphological processes.

LP peaks much earlier This type of character n-gram has the clear advantage of not needing any preprocessing in the form of tokenization. For each blogger, metadata is present, including the blogger s self-provided gender, age, Ierse mannen dating and astrological sign.

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We selected of these so that they get a gender assignment in TwiQS, for comparison, but we also wanted to include unmarked users in case these would be different in nature.

Recognition accuracy as a function of the number of principal components provided to the systems, using token unigrams.

However, we used two types of character n-grams. As in our own experiment, this measurement is based on Twitter accounts where the user is known to be a human individual. With these main choices, we performed a grid search for well-performing hyperparameters, with the following investigated values: The first set is derived from the tokenizer output, and can be viewed as a kind of normalized character n-grams.

Rather than using fixed hyperparameters, we let the control shell choose them automatically in a grid search procedure, based on development data. Original 5-gram About K features. It then chose the class for which the final score is highest.

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Where Cohen assumes the two distributions have the same standard deviation, we use the sum of the two, practically always different, standard deviations. For our experiment, we selected authors for whom we were able to determine with a high degree of certainty a that they were human individuals and b what gender they were.

For SVR and LP, these are rather varied, but TiMBL s confidence value consists of the proportion of selected class cases among the nearest neighbours, which with k at 5 is practically always 0.

With one exception author is recognized as male when using trigramsall feature types agree on the misclassification. After this, we examine the classification of individual authors Section 5.

Then we explain how we used the three selected machine learning systems to classify the authors Section 4. In this way, we also get two confidence values, viz.

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Clearly, shopping is also important, as is watching soaps on television gtst. The age component of the system is described in Nguyen et al.

The tokenizer is able to identify hashtags and Twitter user names to the extent that these conform to the conventions used in Twitter, i. The creators themselves used it for various classification tasks, including gender recognition Koppel et al.

The class separation value is a variant of Cohen s d Cohen Skip bigrams Two tokens in the tweet, but not adjacent, without any restrictions on the gap size. This corpus has been used extensively since. This apparently colours not only the discussion topics, which might be expected, but also the general language use.

From the aboutusers who are assigned a gender by TwiQS, we took a random selection in such a manner that the volume distribution i.

An alternative hypothesis was that Sargentini does not write her own tweets, but assigns this task to a male press spokesperson.

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A model, called profile, is constructed for each individual class, and the system determines for each author to which degree they are similar to the class profile. Even so, there are circumstances where outright recognition is not an option, but where one must be content with profiling, i.