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An Analysis of the Coherence of Descriptors in Topic Modeling
[bibtex](@Article{o2015analysis,
title={An analysis of the coherence of descriptors in topic modeling},
author={O’Callaghan, Derek and Greene, Derek and Carthy, Joe and Cunningham, P{'a}draig},
journal={Expert Systems with Applications},
volume={42},
number={13},
pages={5645--5657},
year={2015},
publisher={Elsevier}
})
distributional semantics measure based on an algorithm provided by the increasingly popular word2vec tool. Each term was represented as a vector in a semantic space, with topic coherence calculated as mean pairwise vector similarity; Cosine similarity, Jaccard similarity, and the Dice coefficient were used.
Pointwise Mutual Information (PMI)
The text was updated successfully, but these errors were encountered:
An Analysis of the Coherence of Descriptors in Topic Modeling
[bibtex](@Article{o2015analysis,
title={An analysis of the coherence of descriptors in topic modeling},
author={O’Callaghan, Derek and Greene, Derek and Carthy, Joe and Cunningham, P{'a}draig},
journal={Expert Systems with Applications},
volume={42},
number={13},
pages={5645--5657},
year={2015},
publisher={Elsevier}
})
General:
Measurea:
The text was updated successfully, but these errors were encountered: