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In this work, we reimagine classical probing to evaluate knowledge transfer from simple source to more complex target tasks. Instead of probing frozen representations from a complex source task on diverse simple target probing tasks (as…

One goal of technical online communities is to help developers find the right answer in one place. A single question can be asked in different ways with different wordings, leading to the existence of duplicate posts on technical forums.…

Software Engineering · Computer Science 2024-03-05 Xingfang Wu , Heng Li , Nobukazu Yoshioka , Hironori Washizaki , Foutse Khomh

Person Re-Identification (ReID) requires comparing two images of person captured under different conditions. Existing work based on neural networks often computes the similarity of feature maps from one single convolutional layer. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Yiluan Guo , Ngai-Man Cheung

We propose a novel probabilistic model for visual question answering (Visual QA). The key idea is to infer two sets of embeddings: one for the image and the question jointly and the other for the answers. The learning objective is to learn…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Hexiang Hu , Wei-Lun Chao , Fei Sha

In recent years, with the development of quantum machine learning, quantum neural networks (QNNs) have gained increasing attention in the field of natural language processing (NLP) and have achieved a series of promising results. However,…

Quantum Physics · Physics 2024-05-24 Yixiong Chen , Weichuan Fang

Semantic matching is of central importance to many natural language tasks \cite{bordes2014semantic,RetrievalQA}. A successful matching algorithm needs to adequately model the internal structures of language objects and the interaction…

Computation and Language · Computer Science 2015-03-12 Baotian Hu , Zhengdong Lu , Hang Li , Qingcai Chen

In this paper, a novel Convolutional Neural Network architecture has been developed for speaker verification in order to simultaneously capture and discard speaker and non-speaker information, respectively. In training phase, the network is…

Audio and Speech Processing · Electrical Eng. & Systems 2018-08-13 Hossein Salehghaffari

Work on retrieval-based chatbots, like most sequence pair matching tasks, can be divided into Cross-encoders that perform word matching over the pair, and Bi-encoders that encode the pair separately. The latter has better performance,…

Computation and Language · Computer Science 2019-11-07 Amir Vakili Tahami , Azadeh Shakery

We propose a pre-training objective based on question answering (QA) for learning general-purpose contextual representations, motivated by the intuition that the representation of a phrase in a passage should encode all questions that the…

Computation and Language · Computer Science 2022-03-17 Robin Jia , Mike Lewis , Luke Zettlemoyer

In this paper, we propose convolutional neural networks for learning an optimal representation of question and answer sentences. Their main aspect is the use of relational information given by the matches between words from the two members…

Computation and Language · Computer Science 2016-04-06 Aliaksei Severyn , Alessandro Moschitti

We revisit two popular convolutional neural networks (CNN) in person re-identification (re-ID), i.e, verification and classification models. The two models have their respective advantages and limitations due to different loss functions. In…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Zhedong Zheng , Liang Zheng , Yi Yang

Dual encoders have been used for question-answering (QA) and information retrieval (IR) tasks with good results. Previous research focuses on two major types of dual encoders, Siamese Dual Encoder (SDE), with parameters shared across two…

Computation and Language · Computer Science 2022-11-16 Zhe Dong , Jianmo Ni , Daniel M. Bikel , Enrique Alfonseca , Yuan Wang , Chen Qu , Imed Zitouni

For person re-identification, existing deep networks often focus on representation learning. However, without transfer learning, the learned model is fixed as is, which is not adaptable for handling various unseen scenarios. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Shengcai Liao , Ling Shao

The analysis of spectra, such as Nuclear Magnetic Resonance (NMR) spectra, for the comprehensive characterization of peaks is a challenging task for both experts and machines, especially with complex molecules. This process, also known as…

Machine Learning · Computer Science 2025-12-16 Lukas Bischof , Rudolf M. Füchslin , Kurt Stockinger , Pavel Sulimov

Current convolutional neural networks algorithms for video object tracking spend the same amount of computation for each object and video frame. However, it is harder to track an object in some frames than others, due to the varying amount…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Chris Ying , Katerina Fragkiadaki

Multi-hop Question Answering (QA) is a challenging task since it requires an accurate aggregation of information from multiple context paragraphs and a thorough understanding of the underlying reasoning chains. Recent work in multi-hop QA…

Computation and Language · Computer Science 2022-11-02 Kaige Xie , Sarah Wiegreffe , Mark Riedl

The ability of transformers to perform precision tasks such as question answering, Natural Language Inference (NLI) or summarising, have enabled them to be ranked as one of the best paradigm to address Natural Language Processing (NLP)…

Computation and Language · Computer Science 2021-05-18 Javier Huertas-Tato , Alejandro Martín , David Camacho

Multi-hop reasoning question answering requires deep comprehension of relationships between various documents and queries. We propose a Bi-directional Attention Entity Graph Convolutional Network (BAG), leveraging relationships between…

Computation and Language · Computer Science 2019-04-11 Yu Cao , Meng Fang , Dacheng Tao

Building a deep learning model for a Question-Answering (QA) task requires a lot of human effort, it may need several months to carefully tune various model architectures and find a best one. It's even harder to find different excellent…

Computation and Language · Computer Science 2022-01-27 Sinan Tan , Hui Xue , Qiyu Ren , Huaping Liu , Jing Bai

Composed image retrieval searches for a target image based on a multi-modal user query comprised of a reference image and modification text describing the desired changes. Existing approaches to solving this challenging task learn a mapping…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Zheyuan Liu , Weixuan Sun , Yicong Hong , Damien Teney , Stephen Gould