A Performance Comparison of Unsupervised Techniques for Event Detection from Oscar Tweets

Table 1

Description of frequently used abbreviations.

Abbreviations	Description
Doc-p	Document-pivot
Feat-p	Feature-pivot
K-SVD	Singular value decomposition and k-means
LDA	Latent Dirichlet allocation
SFPM	Soft frequent pattern mining
K-Prec	Keyword precision
K-Rec	Keyword recall
T-Rec	Topic recall
Tf-idf	Term frequency-inverse document frequency