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BERT based ranking models have achieved superior performance on various information retrieval tasks. However, the large number of parameters and complex self-attention operation come at a significant latency overhead. To remedy this, recent…

信息检索 · 计算机科学 2021-10-06 Nachshon Cohen , Amit Portnoy , Besnik Fetahu , Amir Ingber

We consider the large-scale query-document retrieval problem: given a query (e.g., a question), return the set of relevant documents (e.g., paragraphs containing the answer) from a large document corpus. This problem is often solved in two…

机器学习 · 计算机科学 2020-02-11 Wei-Cheng Chang , Felix X. Yu , Yin-Wen Chang , Yiming Yang , Sanjiv Kumar

Consistent and holistic expression of software requirements is important for the success of software projects. In this study, we aim to enhance the efficiency of the software development processes by automatically identifying conflicting…

软件工程 · 计算机科学 2024-07-31 Garima Malik , Savas Yildirim , Mucahit Cevik , Ayse Bener , Devang Parikh

Industrial recommendation systems are typically composed of multiple stages, including retrieval, ranking, and blending. The retrieval stage plays a critical role in generating a high-recall set of candidate items that covers a wide range…

信息检索 · 计算机科学 2025-07-01 Zhibo Fan , Hongtao Lin , Haoyu Chen , Bowen Deng , Hedi Xia , Yuke Yan , James Li

Although text-to-image generation technologies have made significant advancements, they still face challenges when dealing with ambiguous prompts and aligning outputs with user intent.Our proposed framework, TDRI (Two-Phase Dialogue…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Yuheng Feng , Jianhui Wang , Kun Li , Sida Li , Tianyu Shi , Haoyue Han , Miao Zhang , Xueqian Wang

Modern information retrieval (IR) models, trained exclusively on standard <query, passage> pairs, struggle to effectively interpret and follow explicit user instructions. We introduce InF-IR, a large-scale, high-quality training corpus…

计算与语言 · 计算机科学 2025-05-28 Yuchen Zhuang , Aaron Trinh , Rushi Qiang , Haotian Sun , Chao Zhang , Hanjun Dai , Bo Dai

Speech recognition on smart devices is challenging owing to the small memory footprint. Hence small size ASR models are desirable. With the use of popular transducer-based models, it has become possible to practically deploy streaming…

音频与语音处理 · 电气工程与系统科学 2022-01-11 Nauman Dawalatabad , Tushar Vatsal , Ashutosh Gupta , Sungsoo Kim , Shatrughan Singh , Dhananjaya Gowda , Chanwoo Kim

Text to speech (TTS) and automatic speech recognition (ASR) are two dual tasks in speech processing and both achieve impressive performance thanks to the recent advance in deep learning and large amount of aligned speech and text data.…

音频与语音处理 · 电气工程与系统科学 2020-07-28 Yi Ren , Xu Tan , Tao Qin , Sheng Zhao , Zhou Zhao , Tie-Yan Liu

It is well-understood that different algorithms, training processes, and corpora produce different word embeddings. However, less is known about the relation between different embedding spaces, i.e. how far different sets of embeddings…

计算与语言 · 计算机科学 2020-05-19 Xuhui Zhou , Zaixiang Zheng , Shujian Huang

In this paper, we identify and study an important problem of gradient item retrieval. We define the problem as retrieving a sequence of items with a gradual change on a certain attribute, given a reference item and a modification text. For…

信息检索 · 计算机科学 2021-06-02 Haonan Wang , Chang Zhou , Carl Yang , Hongxia Yang , Jingrui He

Input features play a crucial role in DNN-based recommender systems with thousands of categorical and continuous fields from users, items, contexts, and interactions. Noisy features and inappropriate embedding dimension assignments can…

信息检索 · 计算机科学 2023-11-14 Yao Yao , Bin Liu , Haoxun He , Dakui Sheng , Ke Wang , Li Xiao , Huanhuan Cao

For ambiguous queries, conventional retrieval systems are bound by two conflicting goals. On the one hand, they should diversify and strive to present results for as many query intents as possible. On the other hand, they should provide…

信息检索 · 计算机科学 2015-03-19 Karthik Raman , Thorsten Joachims , Pannaga Shivaswamy

In product search, users tend to browse results on multiple search result pages (SERPs) (e.g., for queries on clothing and shoes) before deciding which item to purchase. Users' clicks can be considered as implicit feedback which indicates…

信息检索 · 计算机科学 2020-01-10 Keping Bi , Choon Hui Teo , Yesh Dattatreya , Vijai Mohan , W. Bruce Croft

We address the problem of class incremental learning, which is a core step towards achieving adaptive vision intelligence. In particular, we consider the task setting of incremental learning with limited memory and aim to achieve better…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Shipeng Yan , Jiangwei Xie , Xuming He

Recently, click-through rate (CTR) prediction models have evolved from shallow methods to deep neural networks. Most deep CTR models follow an Embedding\&MLP paradigm, that is, first mapping discrete id features, e.g. user visited items,…

机器学习 · 统计学 2019-06-26 Guorui Zhou , Kailun Wu , Weijie Bian , Zhao Yang , Xiaoqiang Zhu , Kun Gai

How to improve discriminative feature learning is central in classification. Existing works address this problem by explicitly increasing inter-class separability and intra-class similarity, whether by constructing positive and negative…

机器学习 · 计算机科学 2024-08-21 Qingsong Zhao , Yi Wang , Shuguang Dou , Chen Gong , Yin Wang , Cairong Zhao

Incremental Named Entity Recognition (INER) involves the sequential learning of new entity types without accessing the training data of previously learned types. However, INER faces the challenge of catastrophic forgetting specific for…

计算与语言 · 计算机科学 2023-08-21 Duzhen Zhang , Hongliu Li , Wei Cong , Rongtao Xu , Jiahua Dong , Xiuyi Chen

In the real world, long-tailed data distributions are prevalent, making it challenging for models to effectively learn and classify tail classes. However, we discover that in the field of drug chemistry, certain tail classes exhibit higher…

机器学习 · 计算机科学 2025-04-08 Yujia Su , Xinjie Li , Lionel Z. Wang

Intrusion detection in IoT and industrial networks requires models that can detect rare attacks at low false-positive rates while remaining reliable under evolving traffic and limited labels. Existing IDS solutions often report strong…

密码学与安全 · 计算机科学 2026-03-03 Srikumar Nayak

Click-Through Rate (CTR) prediction is a pivotal task in product and content recommendation, where learning effective feature embeddings is of great significance. However, traditional methods typically learn fixed feature representations…

信息检索 · 计算机科学 2023-09-06 Chen Zhu , Liang Du , Hong Chen , Shuang Zhao , Zixun Sun , Xin Wang , Wenwu Zhu