Is there any difference between topic modeling and cluster?

Sorry for the delay on answering. The short answer is yes, they are different, though topic modelling uses similar techniques with cluster analysis. They can also both be used for data mining. read more

The topic of cluster models is huge--a cluster model can be constituted through graphing connectivity, through distribution, through creating a single mean vector, through monitoring grouping native to the set or any other way to deal with the curse of multidimensionality and the issue of appropriate partitioning and/or hierarchy. read more

The same word can appear in different topics due to its ambiguity, and words that mean the same are meant to appear in the same topic. Topic modelling can be used to solve both text classification and clustering. read more