Papers by Roger Zimmermann
Modeling Inter-Aspect Dependencies for Aspect-Based Sentiment Analysis (N18-2)
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Devamanyu Hazarika, Soujanya Poria, Prateek Vij, Gangeshwar Krishnamurthy, Erik Cambria, Roger Zimmermann
| Challenge: | Present neural-based models exploit aspect and its contextual information in the sentence but ignore inter-aspect dependencies. |
| Approach: | They propose to combine aspect-based sentiment analysis with temporal dependency processing to incorporate this pattern into a sentence. |
| Outcome: | The proposed approach is based on the SemEval 2014 dataset and shows that it is effective for predicting sentiments of aspects in sentences with multiple aspects. |
So Different Yet So Alike! Constrained Unsupervised Text Style Transfer (2022.acl-long)
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| Challenge: | Automated transfer of text between domains does not maintain other attributes between the source and translated text. |
| Approach: | They propose a method for automatic transfer of text between domains that preserves semantic content but changes other attributes. |
| Outcome: | The proposed method retains lexical, syntactic and domain-specific constraints between domains for multiple benchmark datasets, including ones where more than one attribute change. |
ICON: Interactive Conversational Memory Network for Multimodal Emotion Detection (D18-1)
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| Challenge: | Existing studies do not explicitly consider inter-personal influences that thrive in the emotional dynamics of dialogues. |
| Approach: | They propose a multimodal emotion detection framework that extracts multimodal features from conversational videos and hierarchically models the self- and inter-speaker emotional influences into global memories. |
| Outcome: | The proposed model outperforms state-of-the-art networks on multiple classification and regression tasks in two benchmark datasets. |
Towards Multimodal Sarcasm Detection (An _Obviously_ Perfect Paper) (P19-1)
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Santiago Castro, Devamanyu Hazarika, Verónica Pérez-Rosas, Roger Zimmermann, Rada Mihalcea, Soujanya Poria
| Challenge: | sarcasm is often expressed through multiple verbal and non-verbal cues, such as a change of tone, overemphasis, drawn-out syllables, or a straight looking face. |
| Approach: | They propose to use multimodal cues to improve sarcasm detection using audiovisual utterances annotated with sarcasm labels to improve the accuracy. |
| Outcome: | The proposed dataset reduces the error rate of sarcasm detection by 12.9% . it is based on audiovisual utterances annotated with sarcasm labels . |
OSCBench: Benchmarking Object State Change in Text-to-Video Generation (2026.acl-long)
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Xianjing Han, Bin Zhu, Shiqi Hu, Franklin Mingzhe Li, Patrick Carrington, Roger Zimmermann, Jingjing Chen
| Challenge: | Existing benchmarks focus on perceptual quality, text–video alignment, or physical plausibility, leaving a critical aspect of action understanding unexplored. |
| Approach: | They introduce a benchmark specifically designed to assess OSC performance in T2V models. |
| Outcome: | The proposed benchmark assesses the performance of open-source and proprietary T2V models on object state change (OSC) in the context of novel and compositional scenarios. |
Analyzing Modality Robustness in Multimodal Sentiment Analysis (2022.naacl-main)
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| Challenge: | despite its importance, little attention has been paid to improving the robustness of multimodal models. |
| Approach: | They propose simple diagnostic checks for modality robustness in a trained multimodal model . they find MSA models highly sensitive to a single modality, which creates issues . |
| Outcome: | The proposed checks show that models are highly sensitive to a single modality, which creates issues in their robustness. |
Domain Divergences: A Survey and Empirical Analysis (2021.naacl-main)
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| Challenge: | Existing literature on divergence measures is lacking in predicting performance of models in new domains. |
| Approach: | They propose a taxonomy of divergence measures consisting of three classes — Information-theoretic, Geometric, and Higher-order measures and identify the relationships between them. |
| Outcome: | The proposed measures are based on three novel use-cases and identify that they are prevalent in three domains and higher-order measures are more common in two. |
Key2Vec: Automatic Ranked Keyphrase Extraction from Scientific Articles using Phrase Embeddings (N18-2)
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| Challenge: | Keyphrase extraction is a fundamental task in natural language processing that facilitates mapping of documents to a set of representative phrases. |
| Approach: | They propose an unsupervised technique that leverages phrase embeddings for ranking keyphrases extracted from scientific articles using theme-weighted PageRank. |
| Outcome: | The proposed method performs better on benchmark datasets than other methods and is of high quality. |
CASCADE: Contextual Sarcasm Detection in Online Discussion Forums (C18-1)
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| Challenge: | Existing studies on sarcasm detection focus on lexical, syntactic and semantic cues, but sarcasm can be expressed implicitly without such cue. |
| Approach: | They propose a ContextuAl SarCasm DEtector which extracts contextual information from the discourse of a discussion thread. |
| Outcome: | The proposed model improves on a large Reddit corpus. |
Conversational Memory Network for Emotion Recognition in Dyadic Dialogue Videos (N18-1)
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Devamanyu Hazarika, Soujanya Poria, Amir Zadeh, Erik Cambria, Louis-Philippe Morency, Roger Zimmermann
| Challenge: | Existing methods for recognizing emotions in conversations ignore inter-speaker dependency relations . dyadic conversations are a form of dialogue between two entities . |
| Approach: | They propose a deep neural framework which leverages contextual information from the conversation history to model past utterances of each speaker into memories. |
| Outcome: | The proposed framework improves by 3 4% over the state-of-the-art in recognizing emotions in dyadic conversational videos. |