Search Results for author: Felipe González-Pizarro

Found 3 papers, 2 papers with code

Neural Multimodal Topic Modeling: A Comprehensive Evaluation

1 code implementation26 Mar 2024 Felipe González-Pizarro, Giuseppe Carenini

This paper presents the first systematic and comprehensive evaluation of multimodal topic modeling of documents containing both text and images.

Topic Models

Diversity-Aware Coherence Loss for Improving Neural Topic Models

1 code implementation25 May 2023 Raymond Li, Felipe González-Pizarro, Linzi Xing, Gabriel Murray, Giuseppe Carenini

The standard approach for neural topic modeling uses a variational autoencoder (VAE) framework that jointly minimizes the KL divergence between the estimated posterior and prior, in addition to the reconstruction loss.

Topic Models

Regional Differences in Information Privacy Concerns After the Facebook-Cambridge Analytica Data Scandal

no code implementations14 Feb 2022 Felipe González-Pizarro, Andrea Figueroa, Claudia López, Cecilia Aragon

We collected and analyzed a large-scale dataset of tweets about the #CambridgeAnalytica scandal in Spanish and English to start exploring this hypothesis.

Word Embeddings

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