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Many modern sequential recommender systems use deep neural networks, which can effectively estimate the relevance of items but require a lot of time to train. Slow training increases expenses, hinders product development timescales and…

信息检索 · 计算机科学 2022-07-18 Aleksandr Petrov , Craig Macdonald

Recognizing toponyms and resolving them to their real-world referents is required for providing advanced semantic access to textual data. This process is often hindered by the high degree of variation in toponyms. Candidate selection is the…

This paper develops a model that addresses sentence embedding, a hot topic in current natural language processing research, using recurrent neural networks with Long Short-Term Memory (LSTM) cells. Due to its ability to capture long term…

计算与语言 · 计算机科学 2016-11-18 Hamid Palangi , Li Deng , Yelong Shen , Jianfeng Gao , Xiaodong He , Jianshu Chen , Xinying Song , Rabab Ward

With the development of pre-trained language models, the dense retrieval models have become promising alternatives to the traditional retrieval models that rely on exact match and sparse bag-of-words representations. Different from most…

信息检索 · 计算机科学 2024-03-21 Qi Liu , Gang Guo , Jiaxin Mao , Zhicheng Dou , Ji-Rong Wen , Hao Jiang , Xinyu Zhang , Zhao Cao

One of the core problems in large-scale recommendations is to retrieve top relevant candidates accurately and efficiently, preferably in sub-linear time. Previous approaches are mostly based on a two-step procedure: first learn an…

信息检索 · 计算机科学 2021-05-19 Weihao Gao , Xiangjun Fan , Chong Wang , Jiankai Sun , Kai Jia , Wenzhi Xiao , Ruofan Ding , Xingyan Bin , Hui Yang , Xiaobing Liu

With the rise of social networks, information on the internet is no longer solely organized by web pages. Rather, content is generated and shared among users and organized around their social relations on social networks. This presents new…

信息检索 · 计算机科学 2020-05-12 Yunzhong He , Wenyuan Li , Liang-Wei Chen , Gabriel Forgues , Xunlong Gui , Sui Liang , Bo Hou

Feature maps in deep neural network generally contain different semantics. Existing methods often omit their characteristics that may lead to sub-optimal results. In this paper, we propose a novel end-to-end deep saliency network which…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Fengdong Sun , Wenhui Li , Yuanyuan Guan

While it is nearly effortless for humans to quickly assess the perceptual similarity between two images, the underlying processes are thought to be quite complex. Despite this, the most widely used perceptual metrics today, such as PSNR and…

计算机视觉与模式识别 · 计算机科学 2018-04-12 Richard Zhang , Phillip Isola , Alexei A. Efros , Eli Shechtman , Oliver Wang

Email responses often contain items-such as a file or a hyperlink to an external document-that are attached to or included inline in the body of the message. Analysis of an enterprise email corpus reveals that 35% of the time when users…

When it comes to preserving privacy in medical machine learning, two important considerations are (1) keeping data local to the institution and (2) avoiding inference of sensitive information from the trained model. These are often…

计算机视觉与模式识别 · 计算机科学 2020-04-15 Dominik Fay , Jens Sjölund , Tobias J. Oechtering

Over the last few years, contextualized pre-trained transformer models such as BERT have provided substantial improvements on information retrieval tasks. Recent approaches based on pre-trained transformer models such as BERT, fine-tune…

信息检索 · 计算机科学 2021-09-23 Negar Arabzadeh , Xinyi Yan , Charles L. A. Clarke

Mapping a search query to a set of relevant categories in the product taxonomy is a significant challenge in e-commerce search for two reasons: 1) Training data exhibits severe class imbalance problem due to biased click behavior, and 2)…

信息检索 · 计算机科学 2021-05-11 Ali Ahmadvand , Surya Kallumadi , Faizan Javed , Eugene Agichtein

Deep learning models for survival analysis have gained significant attention in the literature, but they suffer from severe performance deficits when the dataset contains many irrelevant features. We give empirical evidence for this problem…

机器学习 · 计算机科学 2019-03-08 Carl Rietschel , Jinsung Yoon , Mihaela van der Schaar

Ranking is the most important component in a search system. Mostsearch systems deal with large amounts of natural language data,hence an effective ranking system requires a deep understandingof text semantics. Recently, deep learning based…

Deep neural networks have achieved significant improvements in information retrieval (IR). However, most existing models are computational costly and can not efficiently scale to long documents. This paper proposes a novel End-to-End neural…

计算与语言 · 计算机科学 2019-08-13 Chen Zheng , Yu Sun , Shengxian Wan , Dianhai Yu

Enterprises grapple with the significant challenge of managing proprietary unstructured data, hindering efficient information retrieval. This has led to the emergence of AI-driven information retrieval solutions, designed to adeptly extract…

In the prompt-specific holistic score prediction task for Automatic Essay Scoring, the general approaches include pre-trained neural model, coherence model, and hybrid model that incorporate syntactic features with neural model. In this…

计算与语言 · 计算机科学 2022-11-28 Xinying Qiu , Shuxuan Liao , Jiajun Xie , Jian-Yun Nie

Data sparsity is a key challenge limiting the power of AI tools across various domains. The problem is especially pronounced in domains that require active user input rather than measurements derived from automated sensors. It is a critical…

机器学习 · 计算机科学 2024-09-12 Sagar Paresh Shah , Ga Wu , Sean W. Kortschot , Samuel Daviau

Dataset Search -- the process of finding appropriate datasets for a given task -- remains a critical yet under-explored challenge in data science workflows. Assessing dataset suitability for a task (e.g., training a classification model) is…

人机交互 · 计算机科学 2025-07-28 Rachel Lin , Bhavya Chopra , Wenjing Lin , Shreya Shankar , Madelon Hulsebos , Aditya G. Parameswaran

Feature subset selection, as a special case of the general subset selection problem, has been the topic of a considerable number of studies due to the growing importance of data-mining applications. In the feature subset selection problem…

机器学习 · 计算机科学 2014-11-13 Tofigh Naghibi , Sarah Hoffmann , Beat Pfister