Papers by Yanpeng Zhao

8 papers
v-HUB: A Benchmark for Video Humor Understanding from Vision and Sound (2026.acl-long)

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Challenge: Humor enriches our daily lives and appears in many forms, from jokes and cartoons to comedies and viral videos.
Approach: They introduce a video humor understanding benchmark to test their ability to understand humor from visual cues.
Outcome: The proposed video humor understanding benchmark is based on a collection of short videos . it features rich annotations and a study of environmental sound that can enhance humor .
Gaussian Mixture Latent Vector Grammars (P18-1)

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Challenge: Existing models of latent variable grammars are not observable in treebanks, so latent variables are learned using expectation-maximization.
Approach: They propose a new framework that extends latent variable grammars such that each nonterminal symbol is associated with a continuous vector space representing the set of (infinitely many) subtypes of the nonterminals.
Outcome: The proposed framework can achieve competitive accuracies in part-of-speech tagging and constituency parsing.
PCFGs Can Do Better: Inducing Probabilistic Context-Free Grammars with Many Symbols (2021.naacl-main)

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Challenge: Recent work shows that probabilistic context-free grammars with neural parameterization can be effective in unsupervised constituency parsing.
Approach: They propose a parameterization form of PCFGs based on tensor decomposition which has at most quadratic computational complexity in the symbol number.
Outcome: The proposed model improves unsupervised constituency parsing performance across ten languages.
Connecting the Dots between Audio and Text without Parallel Data through Visual Knowledge Transfer (2022.naacl-main)

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Challenge: Existing methods for learning audio-text connections rely on parallel audio- text data . a new approach allows for the representation of environmental soundscapes without using parallel data - a challenge for many applications .
Approach: They propose a model that induces Audio-Text alignment without using parallel audio-text data.
Outcome: The proposed model outperforms the current state-of-the-art for audio classification tasks with no audio-text data by 2.2% on the ESC50 and US8K tasks.
On the Transferability of Visually Grounded PCFGs (2023.findings-emnlp)

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Challenge: Existing studies on visually grounded grammar induction have not evaluated text domains that are different from the training domain.
Approach: They extend visually grounded grammar induction model to transfer across text domains . they find that benefits transfer to text in a domain similar to the training domain .
Outcome: The proposed model can transfer across text domains but fails to transfer to remote domains.
Visually Grounded Compound PCFGs (2020.emnlp-main)

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Challenge: Existing work on visual groundings for language understanding has been drawing much attention.
Approach: They propose to use an extension of probabilistic context-free grammar model to do fully-differentiable end-to-end visually grounded learning.
Outcome: The proposed model outperforms the previous grounded model and significantly outperformed the previous model on the MSCOCO test captions.
Unsupervised Natural Language Parsing (Introductory Tutorial) (2021.eacl-tutorials)

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Challenge: Unsupervised parsing learns a syntactic parser from training sentences without parse tree annotations.
Approach: This tutorial will introduce what unsupervised parsing does and how it can be useful for and beyond syntactic parse.
Outcome: This paper will provide an overview of major approaches to unsupervised parsing and analyze their strengths and weaknesses.
Neural Bi-Lexicalized PCFG Induction (2021.acl-long)

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Challenge: Neural lexicalized PCFGs make strong independence assumption on the generation of the child word and thus bilexical dependencies are ignored.
Approach: They propose an approach to parameterize L-PCFGs without making implausible independence assumptions.
Outcome: The proposed approach improves both running speed and unsupervised parsing performance on the English WSJ dataset.

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