Text classification has gained research interests for decades. Many techniques have been developed and have demonstrated very good classification accuracies in various applications. Recently, the popularity of social platforms has changed the way we access (and contribute) information. Particularly, short messages, comments, and status updates, are now becoming a large portion of the online tex...

Estimating the semantic similarity between short texts plays an increasingly prominent role in many fields related to text mining and natural language processing applications, especially with large increase volume of textual data that is produced daily. Traditional approaches for calculating degree two texts, based on words they share, do not perform well because similar may be written differen...