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Rare events, due to their infrequent occurrences, do not have much data, and hence deep learning techniques fail in estimating the distribution for such data. Open-vocabulary models represent an innovative approach to image classification.…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Payal Kamboj , Ayan Banerjee , Bin Xu , Sandeep Gupta

Recently, there has been increasing interest in applying large language models (LLMs) as zero-shot passage rankers. However, few studies have explored how to select appropriate in-context demonstrations for the passage ranking task, which…

Information Retrieval · Computer Science 2024-09-26 Wenhan Liu , Yutao Zhu , Zhicheng Dou

Semantic matching is a mainstream paradigm of zero-shot relation extraction, which matches a given input with a corresponding label description. The entities in the input should exactly match their hypernyms in the description, while the…

Computation and Language · Computer Science 2023-06-09 Jun Zhao , Wenyu Zhan , Xin Zhao , Qi Zhang , Tao Gui , Zhongyu Wei , Junzhe Wang , Minlong Peng , Mingming Sun

In real-world environments, AI systems often face unfamiliar scenarios without labeled data, creating a major challenge for conventional scene understanding models. The inability to generalize across unseen contexts limits the deployment of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Manjunath Prasad Holenarasipura Rajiv , B. M. Vidyavathi

Response generation is one of the critical components in task-oriented dialog systems. Existing studies have shown that large pre-trained language models can be adapted to this task. The typical paradigm of adapting such extremely large…

Computation and Language · Computer Science 2023-02-14 Sandesh Swamy , Narges Tabari , Chacha Chen , Rashmi Gangadharaiah

Deep learning (DL) has achieved unprecedented success in a variety of tasks. However, DL systems are notoriously difficult to test and debug due to the lack of explainability of DL models and the huge test input space to cover. Generally…

Machine Learning · Computer Science 2021-05-24 Yu Li , Min Li , Qiuxia Lai , Yannan Liu , Qiang Xu

To support complex search tasks, where the initial information requirements are complex or may change during the search, a search engine must adapt the information delivery as the user's information requirements evolve. To support this…

Information Retrieval · Computer Science 2021-05-24 Jianghong Zhou , Eugene Agichtein

Dense retrievers for open-domain question answering (ODQA) have been shown to achieve impressive performance by training on large datasets of question-passage pairs. In this work we ask whether this dependence on labeled data can be reduced…

Computation and Language · Computer Science 2022-05-18 Ori Ram , Gal Shachaf , Omer Levy , Jonathan Berant , Amir Globerson

Prompt Recovery, reconstructing prompts from the outputs of large language models (LLMs), has grown in importance as LLMs become ubiquitous. Most users access LLMs through APIs without internal model weights, relying only on outputs and…

Computation and Language · Computer Science 2025-04-08 Shenyang Liu , Yang Gao , Shaoyan Zhai , Liqiang Wang

Recently, prompt-tuning has achieved promising results for specific few-shot classification tasks. The core idea of prompt-tuning is to insert text pieces (i.e., templates) into the input and transform a classification task into a masked…

Computation and Language · Computer Science 2023-09-19 Xiang Chen , Ningyu Zhang , Xin Xie , Shumin Deng , Yunzhi Yao , Chuanqi Tan , Fei Huang , Luo Si , Huajun Chen

The promising zero-shot generalization of vision-language models such as CLIP has led to their adoption using prompt learning for numerous downstream tasks. Previous works have shown test-time prompt tuning using entropy minimization to…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Jameel Hassan , Hanan Gani , Noor Hussein , Muhammad Uzair Khattak , Muzammal Naseer , Fahad Shahbaz Khan , Salman Khan

The keyphrase extraction task refers to the automatic selection of phrases from a given document to summarize its core content. State-of-the-art (SOTA) performance has recently been achieved by embedding-based algorithms, which rank…

Information Retrieval · Computer Science 2023-05-16 Aobo Kong , Shiwan Zhao , Hao Chen , Qicheng Li , Yong Qin , Ruiqi Sun , Xiaoyan Bai

Audio-language models have recently demonstrated strong zero-shot capabilities by leveraging natural-language supervision to classify audio events without labeled training data. Yet, their performance is highly sensitive to the wording of…

This paper surveys and organizes research works in a new paradigm in natural language processing, which we dub "prompt-based learning". Unlike traditional supervised learning, which trains a model to take in an input x and predict an output…

Computation and Language · Computer Science 2021-07-30 Pengfei Liu , Weizhe Yuan , Jinlan Fu , Zhengbao Jiang , Hiroaki Hayashi , Graham Neubig

Machine-based prediction of real-world events is garnering attention due to its potential for informed decision-making. Whereas traditional forecasting predominantly hinges on structured data like time-series, recent breakthroughs in…

Machine Learning · Computer Science 2024-04-22 Qi Yan , Raihan Seraj , Jiawei He , Lili Meng , Tristan Sylvain

Drone-captured images present significant challenges in object detection due to varying shooting conditions, which can alter object appearance and shape. Factors such as drone altitude, angle, and weather cause these variations, influencing…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Chanyeong Park , Heegwang Kim , Joonki Paik

Recent progress in deep learning has continuously improved the accuracy of dialogue response selection. In particular, sophisticated neural network architectures are leveraged to capture the rich interactions between dialogue context and…

Computation and Language · Computer Science 2022-04-26 Tian Lan , Deng Cai , Yan Wang , Yixuan Su , Heyan Huang , Xian-Ling Mao

Contrastively trained text-image models have the remarkable ability to perform zero-shot classification, that is, classifying previously unseen images into categories that the model has never been explicitly trained to identify. However,…

Determining the role of event arguments is a crucial subtask of event extraction. Most previous supervised models leverage costly annotations, which is not practical for open-domain applications. In this work, we propose to use global…

Computation and Language · Computer Science 2023-02-10 Zizheng Lin , Hongming Zhang , Yangqiu Song

New retrieval tasks have always been emerging, thus urging the development of new retrieval models. However, instantiating a retrieval model for each new retrieval task is resource-intensive and time-consuming, especially for a retrieval…

Information Retrieval · Computer Science 2023-03-24 Juhao Liang , Chen Zhang , Zhengyang Tang , Jie Fu , Dawei Song , Benyou Wang