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Contrastive explanations for understanding the behavior of black box models has gained a lot of attention recently as they provide potential for recourse. In this paper, we propose a method Contrastive Attributed explanations for Text (CAT)…

计算与语言 · 计算机科学 2022-11-03 Saneem Chemmengath , Amar Prakash Azad , Ronny Luss , Amit Dhurandhar

Reward models (RMs) are a crucial component in the alignment of large language models' (LLMs) outputs with human values. RMs approximate human preferences over possible LLM responses to the same prompt by predicting and comparing reward…

机器学习 · 计算机科学 2025-02-27 Junqi Jiang , Tom Bewley , Saumitra Mishra , Freddy Lecue , Manuela Veloso

We study cost-aware routing for large language models across diverse and dynamic pools of models. Existing approaches often overlook prompt-specific context, rely on expensive model profiling, assume a fixed set of experts, or use…

机器学习 · 计算机科学 2025-11-25 Reza Shirkavand , Shangqian Gao , Peiran Yu , Heng Huang

Cross-modal attention mechanisms have been widely applied to the image-text matching task and have achieved remarkable improvements thanks to its capability of learning fine-grained relevance across different modalities. However, the…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Yuxiao Chen , Jianbo Yuan , Long Zhao , Tianlang Chen , Rui Luo , Larry Davis , Dimitris N. Metaxas

Fairness in multi-document summarization of user-generated content remains a critical challenge in natural language processing (NLP). Existing summarization methods often fail to ensure equitable representation across different social…

计算与语言 · 计算机科学 2025-03-19 Sina Bagheri Nezhad , Sayan Bandyapadhyay , Ameeta Agrawal

Contrastive language-audio pretraining (CLAP) is widely used for audio generation and recognition tasks. For example, CLAPScore, which utilizes the similarity of CLAP embeddings, has been a major metric for the evaluation of the relevance…

音频与语音处理 · 电气工程与系统科学 2026-03-11 Taisei Takano , Yuki Okamoto , Yusuke Kanamori , Yuki Saito , Ryotaro Nagase , Hiroshi Saruwatari

Recent approaches in self-supervised learning of image representations can be categorized into different families of methods and, in particular, can be divided into contrastive and non-contrastive approaches. While differences between the…

机器学习 · 计算机科学 2023-06-27 Quentin Garrido , Yubei Chen , Adrien Bardes , Laurent Najman , Yann Lecun

Commit Classification (CC) is an important task in software maintenance, which helps software developers classify code changes into different types according to their nature and purpose. It allows developers to understand better how their…

软件工程 · 计算机科学 2023-08-17 Jiajun Tong , Zhixiao Wang , Xiaobin Rui

Widely used evaluation metrics for text generation either do not work well with longer texts or fail to evaluate all aspects of text quality. In this paper, we introduce a new metric called SMART to mitigate such limitations. Specifically,…

计算与语言 · 计算机科学 2022-08-02 Reinald Kim Amplayo , Peter J. Liu , Yao Zhao , Shashi Narayan

Recent studies have found that summaries generated by large language models (LLMs) are favored by human annotators over the original reference summaries in commonly used summarization datasets. Therefore, we study an LLM-as-reference…

计算与语言 · 计算机科学 2024-07-19 Yixin Liu , Kejian Shi , Katherine S He , Longtian Ye , Alexander R. Fabbri , Pengfei Liu , Dragomir Radev , Arman Cohan

Cross-lingual summarization aims to bridge language barriers by summarizing documents in different languages. However, ensuring semantic coherence across languages is an overlooked challenge and can be critical in several contexts. To fill…

计算与语言 · 计算机科学 2024-10-02 Diogo Pernes , Gonçalo M. Correia , Afonso Mendes

By harnessing pre-trained language models, summarization models had rapid progress recently. However, the models are mainly assessed by automatic evaluation metrics such as ROUGE. Although ROUGE is known for having a positive correlation…

计算与语言 · 计算机科学 2021-06-03 Wonjin Yoon , Yoon Sun Yeo , Minbyul Jeong , Bong-Jun Yi , Jaewoo Kang

Multimodal sentiment analysis has become an increasingly popular research area as the demand for multimodal online content is growing. For multimodal sentiment analysis, words can have different meanings depending on the linguistic context…

计算与语言 · 计算机科学 2022-09-16 Junghun Kim , Jihie Kim

In recent years, data selection has emerged as a core issue for large-scale visual-language model pretraining, especially on noisy web-curated datasets. One widely adopted strategy assigns quality scores such as CLIP similarity for each…

机器学习 · 计算机科学 2024-02-06 Yiping Wang , Yifang Chen , Wendan Yan , Kevin Jamieson , Simon Shaolei Du

Asymmetric appearance between positive pair effectively reduces the risk of representation degradation in contrastive learning. However, there are still a mass of appearance similarities between positive pair constructed by the existing…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Chengchao Shen , Jianzhong Chen , Shu Wang , Hulin Kuang , Jin Liu , Jianxin Wang

Recommender systems are designed to learn user preferences from observed feedback and comprise many fundamental tasks, such as rating prediction and post-click conversion rate (pCVR) prediction. However, the observed feedback usually suffer…

信息检索 · 计算机科学 2024-02-09 Jun Wang , Haoxuan Li , Chi Zhang , Dongxu Liang , Enyun Yu , Wenwu Ou , Wenjia Wang

Training dense passage representations via contrastive learning has been shown effective for Open-Domain Passage Retrieval (ODPR). Existing studies focus on further optimizing by improving negative sampling strategy or extra pretraining.…

计算与语言 · 计算机科学 2022-03-08 Bohong Wu , Zhuosheng Zhang , Jinyuan Wang , Hai Zhao

This paper primarily demonstrates a method to quantitatively assess the alignment between multi-step, structured reasoning in large language models and human preferences. We introduce the Alignment Score, a semantic-level metric that…

人工智能 · 计算机科学 2026-04-22 Boxuan Wang , Zhuoyun Li , Xinmiao Huang , Xiaowei Huang , Yi Dong

As counterfactual examples become increasingly popular for explaining decisions of deep learning models, it is essential to understand what properties quantitative evaluation metrics do capture and equally important what they do not…

机器学习 · 计算机科学 2021-11-02 Frederik Hvilshøj , Alexandros Iosifidis , Ira Assent

Traditional ASR metrics like WER and CER fail to capture intelligibility, especially for dysarthric and dysphonic speech, where semantic alignment matters more than exact word matches. ASR systems struggle with these speech types, often…

机器学习 · 计算机科学 2025-12-12 Bornali Phukon , Xiuwen Zheng , Mark Hasegawa-Johnson
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