Top "Similarity" questions

Similarity measures quantify how much alike objects (e.g. documents, feature vectors) are.

Best way to compare two signals in Matlab

I have a signal I made in matlab that I want to compare to another signal (call them y and …

matlab compare signal-processing similarity
Compute the similarity between two lists

I'd like to compute the similarity between two lists of various lengths. eg: listA = ['apple', 'orange', 'apple', 'apple', 'banana', 'orange'] # (…

python algorithm set similarity
String similarity score/hash

Is there a method to calculate something like general "similarity score" of a string? In a way that I am …

algorithm hash similarity
Figure out if a business name is very similar to another one - Python

I'm working with a large database of businesses. I'd like to be able to compare two business names for similarity …

python normalization matching similarity edit-distance
Cosine Similarity of Vectors of different lengths?

I'm trying to use TF-IDF to sort documents into categories. I've calculated the tf_idf for some documents, but now …

python nlp similarity nltk tf-idf
Why can cosine similarity between two vectors be negative?

I have 2 vectors with 11 dimentions. a <- c(-0.012813841, -0.024518383, -0.002765056, 0.079496744, 0.063928973, 0.476156960, 0.122111977, 0.322930189, 0.400701256, 0.454048860, 0.525526219) b <- c(0.64175768, 0.54625694, 0.40728261, 0.24819750, 0.09406221, 0.16681692, -0.04211932, -0.07130129, -0.08182200, -0.08266852, …

r similarity negative-number trigonometry
Compare similarity algorithms

I want to use string similarity functions to find corrupted data in my database. I came upon several of them: …

levenshtein-distance similarity euclidean-distance jaro-winkler
Wordnet Similarity in Java: JAWS, JWNL or Java WN::Similarity?

I need to use Wordnet in a java-based app. I want to: search synsets find similarity/relatedness between synsets My …

java similarity wordnet jaws-wordnet
Cosine Similarity

I calculated tf/idf values of two documents. The following are the tf/idf values: 1.txt 0.0 0.5 2.txt 0.0 0.5 The documents are …

java similarity trigonometry tf-idf dot-product
Text similarity algorithm

I have two subtitles files. I need a function that tells whether they represent the same text, or the similar …

java text nlp levenshtein-distance similarity