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Weakly supervised Referring Expression Grounding (REG) aims to ground a particular target in an image described by a language expression while lacking the correspondence between target and expression. Two main problems exist in weakly…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Xuejing Liu , Liang Li , Shuhui Wang , Zheng-Jun Zha , Zechao Li , Qi Tian , Qingming Huang

We introduce a new architecture for unsupervised object-centric representation learning and multi-object detection and segmentation, which uses a translation-equivariant attention mechanism to predict the coordinates of the objects present…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Bruno Sauvalle , Arnaud de La Fortelle

Self-attention mechanism has been widely used for various tasks. It is designed to compute the representation of each position by a weighted sum of the features at all positions. Thus, it can capture long-range relations for computer vision…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Xia Li , Zhisheng Zhong , Jianlong Wu , Yibo Yang , Zhouchen Lin , Hong Liu

Automatic extraction of temporal relations between event pairs is an important task for several natural language processing applications such as Question Answering, Information Extraction, and Summarization. Since most existing methods are…

Machine Learning · Computer Science 2014-01-27 Seyed Abolghasem Mirroshandel , Gholamreza Ghassem-Sani

When provided with sufficient explanatory context, smaller Language Models have been shown to exhibit strong reasoning ability on challenging short-answer question-answering tasks where the questions are unseen in training. We evaluate two…

Computation and Language · Computer Science 2023-10-16 Tim Hartill , Diana Benavides-Prado , Michael Witbrock , Patricia J. Riddle

Association Rule Mining (ARM) is the task of learning associations among data features in the form of logical rules. Mining association rules from high-dimensional numerical data, for example, time series data from a large number of sensors…

Machine Learning · Computer Science 2024-03-28 Erkan Karabulut , Victoria Degeler , Paul Groth

Targeted sentiment classification aims at determining the sentimental tendency towards specific targets. Most of the previous approaches model context and target words with RNN and attention. However, RNNs are difficult to parallelize and…

Computation and Language · Computer Science 2019-09-24 Youwei Song , Jiahai Wang , Tao Jiang , Zhiyue Liu , Yanghui Rao

Data scarcity is a long-standing challenge in the Vision-Language Navigation (VLN) field, which extremely hinders the generalization of agents to unseen environments. Previous works primarily rely on additional simulator data or…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Ziming Wei , Bingqian Lin , Yunshuang Nie , Jiaqi Chen , Shikui Ma , Hang Xu , Xiaodan Liang

With the increasing demands for accountability, interpretability is becoming an essential capability for real-world AI applications. However, most methods utilize post-hoc approaches rather than training the interpretable model. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-02-04 Yoshihide Sawada , Keigo Nakamura

Modern search systems rely on a fast first stage retriever to fetch relevant items from a massive catalog of items. Deployed search systems often use user engagement signals to supervise bi-encoder retriever training at scale, because these…

Information Retrieval · Computer Science 2026-05-06 Shasvat Desai , Md Omar Faruk Rokon , Jhalak Nilesh Acharya , Isha Shah , Hong Yao , Utkarsh Porwal , Kuang-chih Lee

Open-domain semantic parsing remains a challenging task, as neural models often rely on heuristics and struggle to handle unseen concepts. In this paper, we investigate the potential of large language models (LLMs) for this task and…

Computation and Language · Computer Science 2025-08-21 Xiao Zhang , Qianru Meng , Johan Bos

Learning a matching function between two text sequences is a long standing problem in NLP research. This task enables many potential applications such as question answering and paraphrase identification. This paper proposes Co-Stack…

Computation and Language · Computer Science 2018-10-09 Yi Tay , Luu Anh Tuan , Siu Cheung Hui

In this paper we present our model on the task of emotion detection in textual conversations in SemEval-2019. Our model extends the Recurrent Convolutional Neural Network (RCNN) by using external fine-tuned word representations and DeepMoji…

Computation and Language · Computer Science 2019-04-03 Peixiang Zhong , Chunyan Miao

This paper presents a robust and comprehensive graph-based rank aggregation approach, used to combine results of isolated ranker models in retrieval tasks. The method follows an unsupervised scheme, which is independent of how the isolated…

Information Retrieval · Computer Science 2019-03-25 Icaro Cavalcante Dourado , Daniel Carlos Guimarães Pedronette , Ricardo da Silva Torres

This paper addresses the problem of key phrase extraction from sentences. Existing state-of-the-art supervised methods require large amounts of annotated data to achieve good performance and generalization. Collecting labeled data is,…

Computation and Language · Computer Science 2019-04-09 Jue Wang , Ke Chen , Lidan Shou , Sai Wu , Sharad Mehrotra

Motivated by the attention mechanism of the human visual system and recent developments in the field of machine translation, we introduce our attention-based and recurrent sequence to sequence autoencoders for fully unsupervised…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-20 Shahin Amiriparian , Pawel Winokurow , Vincent Karas , Sandra Ottl , Maurice Gerczuk , Björn W. Schuller

Neural retrieval models (NRMs) have been shown to outperform their statistical counterparts owing to their ability to capture semantic meaning via dense document representations. These models, however, suffer from poor interpretability as…

Information Retrieval · Computer Science 2023-04-26 Michael Llordes , Debasis Ganguly , Sumit Bhatia , Chirag Agarwal

It is a widely accepted fact that data representations intervene noticeably in machine learning tools. The more they are well defined the better the performance results are. Feature extraction-based methods such as autoencoders are…

Neural and Evolutionary Computing · Computer Science 2018-06-12 Naima Chouikhi , Boudour Ammar , Adel M. Alimi

This paper proposes a new demand estimation method using attention-based language models. An encoder-only language model is trained in a two-stage process to analyze the natural language descriptions of used cars from a large US-based…

Econometrics · Economics 2025-07-24 Joshua Foster , Fredrik Odegaard

We present semi-supervised models with data augmentation (SMDA), a semi-supervised text classification system to classify interactive affective responses. SMDA utilizes recent transformer-based models to encode each sentence and employs…

Computation and Language · Computer Science 2020-04-24 Jiaao Chen , Yuwei Wu , Diyi Yang
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