Topic Analysis is a Natural Language Processing (NLP) task of extracting salient terms (or topics) from a textual corpus.
Trend Analysis task measures the change of the most prominent topics between two time points.

Topic Analysis is a Natural Language Processing (NLP) task of extracting salient terms (or topics) from a textual corpus.
Trend Analysis task measures the change of the most prominent topics between two time points.

Topic Analysis is a Natural Language Processing (NLP) task of extracting salient terms (or topics) from a textual corpus.
Trend Analysis task measures the change of the most prominent topics between two time points.

Topic Analysis is a Natural Language Processing (NLP) task of extracting salient terms (or topics) from a textual corpus.
Trend Analysis task measures the change of the most prominent topics between two time points.