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We present a transformer-based sarcasm detection model that accounts for the context from the entire conversation thread for more robust predictions. Our model uses deep transformer layers to perform multi-head attentions among the target…

Computation and Language · Computer Science 2020-05-26 Xiangjue Dong , Changmao Li , Jinho D. Choi

While sentiment and emotion analysis have been studied extensively, the relationship between sarcasm and emotion has largely remained unexplored. A sarcastic expression may have a variety of underlying emotions. For example, "I love being…

Computation and Language · Computer Science 2022-06-07 Anupama Ray , Shubham Mishra , Apoorva Nunna , Pushpak Bhattacharyya

Large language models (LLMs) have the remarkable ability to solve new tasks with just a few examples, but they need access to the right tools. Retrieval Augmented Generation (RAG) addresses this problem by retrieving a list of relevant…

Information Retrieval · Computer Science 2023-12-12 Raviteja Anantha , Tharun Bethi , Danil Vodianik , Srinivas Chappidi

Accurate multi-modal document retrieval is crucial for Retrieval-Augmented Generation (RAG), yet existing benchmarks do not fully capture real-world challenges with their current design. We introduce REAL-MM-RAG, an automatically generated…

Information Retrieval · Computer Science 2025-02-19 Navve Wasserman , Roi Pony , Oshri Naparstek , Adi Raz Goldfarb , Eli Schwartz , Udi Barzelay , Leonid Karlinsky

Sarcasm is a term that refers to the use of words to mock, irritate, or amuse someone. It is commonly used on social media. The metaphorical and creative nature of sarcasm presents a significant difficulty for sentiment analysis systems…

Computation and Language · Computer Science 2022-10-21 Amirhossein Abaskohi , Arash Rasouli , Tanin Zeraati , Behnam Bahrak

Retrieval-Augmented Generation (RAG) is a framework for grounding Large Language Models (LLMs) in external, up-to-date information. However, recent advancements in context window size allow LLMs to process inputs of up to 128K tokens or…

Machine Learning · Computer Science 2026-02-26 Seongwoong Shim , Myunsoo Kim , Jae Hyeon Cho , Byung-Jun Lee

We introduce a new efficient framework, the Unified Context Network (UniCon), for robust active speaker detection (ASD). Traditional methods for ASD usually operate on each candidate's pre-cropped face track separately and do not…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Yuanhang Zhang , Susan Liang , Shuang Yang , Xiao Liu , Zhongqin Wu , Shiguang Shan , Xilin Chen

Sarcasm detection, with its figurative nature, poses unique challenges for affective systems designed to perform sentiment analysis. While these systems typically perform well at identifying direct expressions of emotion, they struggle with…

Computation and Language · Computer Science 2026-04-21 Ximing Wen , Rezvaneh Rezapour

Retrieval-Augmented Generation (RAG) has attracted significant attention due to its ability to combine the generative capabilities of Large Language Models (LLMs) with knowledge obtained through efficient retrieval mechanisms over…

Cryptography and Security · Computer Science 2026-01-19 Aiman Al Masoud , Marco Arazzi , Antonino Nocera

This paper delves into the challenging task of Active Speaker Detection (ASD), where the system needs to determine in real-time whether a person is speaking or not in a series of video frames. While previous works have made significant…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Arnav Kundu , Yanzi Jin , Mohammad Sekhavat , Max Horton , Danny Tormoen , Devang Naik

With the rapid evolution of Android applications, traditional machine learning-based detection models suffer from concept drift. Additionally, they are constrained by shallow features, lacking deep semantic understanding and…

Cryptography and Security · Computer Science 2026-04-29 Xueying Zeng , Youquan Xian , Sihao Liu , Xudong Mou , Yanze Li , Lei Cui , Bo Li

Detecting sarcasm and verbal irony from people's subjective statements is crucial to understanding their intended meanings and real sentiments and positions in social scenarios. This paper describes the X-PuDu system that participated in…

Computation and Language · Computer Science 2022-12-01 Yaqian Han , Yekun Chai , Shuohuan Wang , Yu Sun , Hongyi Huang , Guanghao Chen , Yitong Xu , Yang Yang

Retrieval-augmented generation (RAG) has become a widely adopted paradigm for enabling knowledge-grounded large language models (LLMs). However, standard RAG pipelines often fail to ensure that model reasoning remains consistent with the…

Artificial Intelligence · Computer Science 2025-10-14 Jiaqi Wei , Hao Zhou , Xiang Zhang , Di Zhang , Zijie Qiu , Wei Wei , Jinzhe Li , Wanli Ouyang , Siqi Sun

We introduce the Self-Annotated Reddit Corpus (SARC), a large corpus for sarcasm research and for training and evaluating systems for sarcasm detection. The corpus has 1.3 million sarcastic statements -- 10 times more than any previous…

Computation and Language · Computer Science 2018-03-26 Mikhail Khodak , Nikunj Saunshi , Kiran Vodrahalli

Retrieval-augmented generation (RAG) is key to enhancing large language models (LLMs) to systematically access richer factual knowledge. Yet, using RAG brings intrinsic challenges, as LLMs must deal with potentially conflicting knowledge,…

Computation and Language · Computer Science 2025-04-08 Leonardo Ranaldi , Federico Ranaldi , Fabio Massimo Zanzotto , Barry Haddow , Alexandra Birch

Retrieval-augmented generation (RAG) substantially extends the knowledge boundary of large language models. However, it still faces two major challenges when handling complex reasoning tasks: low context utilization and frequent…

Computation and Language · Computer Science 2026-04-14 Shijia Xu , Zhou Wu , Xiaolong Jia , Yu Wang , Kai Liu , April Xiaowen Dong

Sarcastic speech synthesis, which involves generating speech that effectively conveys sarcasm, is essential for enhancing natural interactions in applications such as entertainment and human-computer interaction. However, synthesizing…

Computation and Language · Computer Science 2025-08-19 Zhu Li , Yuqing Zhang , Xiyuan Gao , Devraj Raghuvanshi , Nagendra Kumar , Shekhar Nayak , Matt Coler

Retrieval-augmented generation (RAG) has demonstrated significant proficiency in conducting question-answering (QA) tasks within a specified corpus. Nonetheless, numerous failure instances of RAG in QA still exist. These failures are not…

Machine Learning · Computer Science 2025-06-09 Jintao Zhang , Guoliang Li , Jinyang Su

Ranking responses for a given dialogue context is a popular benchmark in which the setup is to re-rank the ground-truth response over a limited set of $n$ responses, where $n$ is typically 10. The predominance of this setup in conversation…

Information Retrieval · Computer Science 2022-04-25 Gustavo Penha , Claudia Hauff

Retrieval-Augmented Generation (RAG) has become an essential approach for extending the reasoning and knowledge capacity of large language models (LLMs). While prior research has primarily focused on retrieval quality and prompting…

Computation and Language · Computer Science 2025-12-09 Jiamin Chen , Yuchen Li , Xinyu Ma , Xinran Chen , Xiaokun Zhang , Shuaiqiang Wang , Chen Ma , Dawei Yin