References
[1] Similarity Metrics:https://en.wikipedia.org/wiki/Metric_(mathematics)
[2] Distance Metrics ipynb:https://github.com/RaRe-Technologies/gensim/blob/develop/docs/notebooks/distance_metrics.ipynb
[3] Hellinger Distance: https://en.wikipedia.org/wiki/Hellinger_distance
[4] KL- divergence: https://en.wikipedia.org/wiki/Kullback%E2%80%93Leibler_divergence
[5] Jaccard: https://en.wikipedia.org/wiki/Jaccard_index
[6] Gensim wikipedia example: https://radimrehurek.com/topic_modeling_tutorial/3%20-%20Indexing%20and%20Retrieval.html
[7] Simserver: https://pypi.org/project/simserver/#description
[8] Doc Similarity Server: https://radimrehurek.com/gensim/simserver.html
[9] Gensim SimServer GitHub: https://github.com/RaRe-Technologies/gensim-simserver
[10] textRank: http://web.eecs.umich.edu/~mihalcea/papers/mihalcea.emnlp04.pdf
[11] Variations of the Similarity Function of TextRank for Automated Summarization: https://arxiv.org/pdf/1602.03606.pdf
[12] BM25: https://en.wikipedia.org/wiki/Okapi_BM25...