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- W4297420912 abstract "Current topic models often suffer from discovering topics not matching human intuition, unnatural switching of topics within documents and high computational demands. We address these concerns by proposing a topic model and an inference algorithm based on automatically identifying characteristic keywords for topics. Keywords influence topic-assignments of nearby words. Our algorithm learns (key)word-topic scores and it self-regulates the number of topics. Inference is simple and easily parallelizable. Qualitative analysis yields comparable results to state-of-the-art models (eg. LDA), but with different strengths and weaknesses. Quantitative analysis using 9 datasets shows gains in terms of classification accuracy, PMI score, computational performance and consistency of topic assignments within documents, while most often using less topics." @default.
- W4297420912 created "2022-09-28" @default.
- W4297420912 creator A5045900735 @default.
- W4297420912 date "2017-10-07" @default.
- W4297420912 modified "2023-09-28" @default.
- W4297420912 title "Topic Modeling based on Keywords and Context" @default.
- W4297420912 doi "https://doi.org/10.48550/arxiv.1710.02650" @default.
- W4297420912 hasPublicationYear "2017" @default.
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