Using Co-word Network Community Detection and LDA Topic Modeling to Extract Topics in TED Talks.
Li-Ting HungMuh-Chyun TangSung-Chien LinPublished in: HCI (29) (2023)
Keyphrases
- topic modeling
- community detection
- topic models
- latent topics
- complex networks
- latent dirichlet allocation
- community structure
- link prediction
- community detection algorithms
- real world networks
- text mining
- social networks
- network analysis
- citation networks
- information networks
- bipartite networks
- co occurrence
- overlapping communities
- topic extraction
- author topic model
- networked data
- network structure
- text corpora
- collaborative filtering
- latent variables
- social network analysis
- probabilistic topic models
- graph theory
- text classification
- community discovery
- probabilistic model
- generative model
- real world
- lda model
- n gram
- knowledge discovery
- heterogeneous networks
- high dimensional
- feature space
- random walk
- data analysis
- bayesian networks
- training data
- machine learning
- densely connected
- text documents