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Learning a high-dimensional dense representation for vocabulary terms, also known as a word embedding, has recently attracted much attention in natural language processing and information retrieval tasks. The embedding vectors are typically…

Information Retrieval · Computer Science 2017-07-18 Hamed Zamani , W. Bruce Croft

Current neural re-rankers often struggle with complex information needs and long, content-rich documents. The fundamental issue is not computational--it is intelligent content selection: identifying what matters in lengthy, multi-faceted…

Information Retrieval · Computer Science 2025-10-14 Shubham Chatterjee

Recommendations can greatly benefit from good representations of the user state at recommendation time. Recent approaches that leverage Recurrent Neural Networks (RNNs) for session-based recommendations have shown that Deep Learning models…

Information Retrieval · Computer Science 2017-06-26 Elena Smirnova , Flavian Vasile

Deep neural networks (DNNs) have proven successful in a wide variety of applications such as speech recognition and synthesis, computer vision, machine translation, and game playing, to name but a few. However, existing deep neural network…

Machine Learning · Computer Science 2022-08-08 Ramit Pahwa

Recent works using artificial neural networks based on distributed word representation greatly boost performance on various natural language processing tasks, especially the answer selection problem. Nevertheless, most of the previous works…

Computation and Language · Computer Science 2018-03-19 Lingxun Meng , Yan Li

In recent years, deep learning has increasingly gained attention in the field of traffic prediction. Existing traffic prediction models often rely on GCNs or attention mechanisms with O(N^2) complexity to dynamically extract traffic node…

Machine Learning · Computer Science 2024-08-15 Wenchao Weng , Mei Wu , Hanyu Jiang , Wanzeng Kong , Xiangjie Kong , Feng Xia

Cross-modal retrieval is an important functionality in modern search engines, as it increases the user experience by allowing queries and retrieved objects to pertain to different modalities. In this paper, we focus on the image-sentence…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Nicola Messina , Giuseppe Amato , Fabrizio Falchi , Claudio Gennaro , Stéphane Marchand-Maillet

We introduce a Deep Boltzmann Machine model suitable for modeling and extracting latent semantic representations from a large unstructured collection of documents. We overcome the apparent difficulty of training a DBM with judicious…

Machine Learning · Computer Science 2013-09-27 Nitish Srivastava , Ruslan R Salakhutdinov , Geoffrey E. Hinton

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

We address the problem of finding reliable dense correspondences between a pair of images. This is a challenging task due to strong appearance differences between the corresponding scene elements and ambiguities generated by repetitive…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Ignacio Rocco , Mircea Cimpoi , Relja Arandjelović , Akihiko Torii , Tomas Pajdla , Josef Sivic

Recently, deep neural networks (DNNs) have been regarded as the state-of-the-art classification methods in a wide range of applications, especially in image classification. Despite the success, the huge number of parameters blocks its…

Machine Learning · Statistics 2017-12-18 Guangxi Li , Jinmian Ye , Haiqin Yang , Di Chen , Shuicheng Yan , Zenglin Xu

On account of its many successes in inference tasks and denoising applications, Dictionary Learning (DL) and its related sparse optimization problems have garnered a lot of research interest. While most solutions have focused on single…

Machine Learning · Computer Science 2020-10-22 Wen Tang , Emilie Chouzenoux , Jean-Christophe Pesquet , Hamid Krim

In recent years, we know that the interaction with images has increased. Image similarity involves fetching similar-looking images abiding by a given reference image. The target is to find out whether the image searched as a query can…

Computer Vision and Pattern Recognition · Computer Science 2022-05-19 Sayan Nath , Nikhil Nayak

Click-Through Rate prediction (CTR) is a crucial task in recommender systems, and it gained considerable attention in the past few years. The primary purpose of recent research emphasizes obtaining meaningful and powerful representations…

Information Retrieval · Computer Science 2022-10-26 Shereen Elsayed , Lars Schmidt-Thieme

We propose an efficient method to learn deep local descriptors for instance-level recognition. The training only requires examples of positive and negative image pairs and is performed as metric learning of sum-pooled global image…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Giorgos Tolias , Tomas Jenicek , Ondřej Chum

Constructing click models and extracting implicit relevance feedback information from the interaction between users and search engines are very important to improve the ranking of search results. Using neural network to model users' click…

Information Retrieval · Computer Science 2023-02-01 Yingfei Wang , Jianping Liu , Jian Wang , Xiaofeng Wang , Meng Wang , Xintao Chu

Semantic text matching is a critical problem in information retrieval. Recently, deep learning techniques have been widely used in this area and obtained significant performance improvements. However, most models are black boxes and it is…

Information Retrieval · Computer Science 2021-08-17 Lijuan Chen , Yanyan Lan , Liang Pang , Jiafeng Guo , Xueqi Cheng

In this paper we combine the advantages of a model using global source sentence contexts, the Discriminative Word Lexicon, and neural networks. By using deep neural networks instead of the linear maximum entropy model in the Discriminative…

Computation and Language · Computer Science 2015-04-29 Thanh-Le Ha , Jan Niehues , Alex Waibel

Deep Semantic Matching is a crucial component in various natural language processing applications such as question and answering (QA), where an input query is compared to each candidate question in a QA corpus in terms of relevance.…

Computation and Language · Computer Science 2020-03-26 Changyu Miao , Zhen Cao , Yik-Cheung Tam

Augmenting language models with a retrieval mechanism has been shown to significantly improve their performance while keeping the number of parameters low. Retrieval-augmented models commonly rely on a semantic retrieval mechanism based on…

Computation and Language · Computer Science 2023-07-06 Ehsan Doostmohammadi , Tobias Norlund , Marco Kuhlmann , Richard Johansson