Topic Models Ensembles for AD-HOC Information Retrieval.
Pablo OrmeñoMarcelo MendozaCarlos VallePublished in: Inf. (2021)
Keyphrases
- topic models
- ad hoc information retrieval
- language model
- probabilistic model
- topic modeling
- latent dirichlet allocation
- text documents
- latent topics
- text mining
- generative model
- language modeling
- n gram
- co occurrence
- pseudo relevance feedback
- test collection
- image segmentation
- inter document similarities
- information retrieval
- retrieval effectiveness
- retrieval model
- document retrieval
- learning algorithm
- expectation maximization
- image classification
- information retrieval systems
- natural language processing
- data analysis
- bayesian networks