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Patient cohort retrieval is a pivotal task in medical research and clinical practice, enabling the identification of specific patient groups from extensive electronic health records (EHRs). In this work, we address the challenge of cohort…

信息检索 · 计算机科学 2025-07-03 Pranav Jadhav

Cross-domain recommendation (CDR) is an important method to improve recommender system performance, especially when observations in target domains are sparse. However, most existing cross-domain recommendations fail to fully utilize the…

信息检索 · 计算机科学 2024-01-23 Yuhao Luo , Shiwei Ma , Mingjun Nie , Changping Peng , Zhangang Lin , Jingping Shao , Qianfang Xu

Most state-of-the-art open-domain question answering systems use a neural retrieval model to encode passages into continuous vectors and extract them from a knowledge source. However, such retrieval models often require large memory to run…

计算与语言 · 计算机科学 2021-06-03 Ikuya Yamada , Akari Asai , Hannaneh Hajishirzi

With the ever increasing number of filed patent applications every year, the need for effective and efficient systems for managing such tremendous amounts of data becomes inevitably important. Patent Retrieval (PR) is considered the pillar…

信息检索 · 计算机科学 2018-12-21 Walid Shalaby , Wlodek Zadrozny

Metaphors play a crucial role in human communication, yet their comprehension remains a significant challenge for natural language processing (NLP) due to the cognitive complexity involved. According to Conceptual Metaphor Theory (CMT),…

计算与语言 · 计算机科学 2025-01-07 Dongyu Zhang , Shengcheng Yin , Jingwei Yu , Zhiyao Wu , Zhen Li , Chengpei Xu , Xiaoxia Wang , Feng Xia

Chinese Spelling Correction (CSC) aims to detect and correct spelling errors in given sentences. Recently, multi-domain CSC has gradually attracted the attention of researchers because it is more practicable. In this paper, we focus on the…

计算与语言 · 计算机科学 2024-02-20 Peng Xing , Yinghui Li , Shirong Ma , Xinnian Liang , Haojing Huang , Yangning Li , Hai-Tao Zheng , Wenhao Jiang , Ying Shen

Data sparsity is an important issue for click-through rate (CTR) prediction, particularly when user-item interactions is too sparse to learn a reliable model. Recently, many works on cross-domain CTR (CDCTR) prediction have been developed…

信息检索 · 计算机科学 2023-05-10 Xu Chen , Zida Cheng , Shuai Xiao , Xiaoyi Zeng , Weilin Huang

Named Entity Recognition and Relation Extraction for Chinese literature text is regarded as the highly difficult problem, partially because of the lack of tagging sets. In this paper, we build a discourse-level dataset from hundreds of…

计算与语言 · 计算机科学 2019-06-12 Jingjing Xu , Ji Wen , Xu Sun , Qi Su

Recommender systems (RS) have become crucial tools for information filtering in various real world scenarios. And cross domain recommendation (CDR) has been widely explored in recent years in order to provide better recommendation results…

信息检索 · 计算机科学 2025-03-19 Hao Zhang , Mingyue Cheng , Qi Liu , Junzhe Jiang , Xianquan Wang , Rujiao Zhang , Chenyi Lei , Enhong Chen

Passage retrieval and ranking is a key task in open-domain question answering and information retrieval. Current effective approaches mostly rely on pre-trained deep language model-based retrievers and rankers. These methods have been shown…

信息检索 · 计算机科学 2021-09-14 Shengyao Zhuang , Guido Zuccon

Recently, much Chinese text error correction work has focused on Chinese Spelling Check (CSC) and Chinese Grammatical Error Diagnosis (CGED). In contrast, little attention has been paid to the complicated problem of Chinese Semantic Error…

计算与语言 · 计算机科学 2023-05-10 Bo Sun , Baoxin Wang , Yixuan Wang , Wanxiang Che , Dayong Wu , Shijin Wang , Ting Liu

In the current environment, psychological issues are prevalent and widespread, with social media serving as a key outlet for individuals to share their feelings. This results in the generation of vast quantities of data daily, where…

计算与语言 · 计算机科学 2024-06-13 Wei Zhai , Hongzhi Qi , Qing Zhao , Jianqiang Li , Ziqi Wang , Han Wang , Bing Xiang Yang , Guanghui Fu

Recently, deep learning-based methods have reached an excellent performance on License Plate (LP) detection and recognition tasks. However, it is still challenging to build a robust model for Chinese LPs since there are not enough large and…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Yanxiang Gong , Linjie Deng , Shuai Tao , Xinchen Lu , Peicheng Wu , Zhiwei Xie , Zheng Ma , Mei Xie

In scientific research, the ability to effectively retrieve relevant documents based on complex, multifaceted queries is critical. Existing evaluation datasets for this task are limited, primarily due to the high cost and effort required to…

信息检索 · 计算机科学 2023-10-31 Jianyou Wang , Kaicheng Wang , Xiaoyue Wang , Prudhviraj Naidu , Leon Bergen , Ramamohan Paturi

Information retrieval systems have traditionally relied on exact term match methods such as BM25 for first-stage retrieval. However, recent advancements in neural network-based techniques have introduced a new method called dense retrieval.…

信息检索 · 计算机科学 2025-03-25 Ahmed H. Salamah , Pierre McWhannel , Nicole Yan

Sequential recommendation is a popular paradigm in modern recommender systems. In particular, one challenging problem in this space is cross-domain sequential recommendation (CDSR), which aims to predict future behaviors given user…

This paper introduces DuReader, a new large-scale, open-domain Chinese ma- chine reading comprehension (MRC) dataset, designed to address real-world MRC. DuReader has three advantages over previous MRC datasets: (1) data sources: questions…

计算与语言 · 计算机科学 2018-06-12 Wei He , Kai Liu , Jing Liu , Yajuan Lyu , Shiqi Zhao , Xinyan Xiao , Yuan Liu , Yizhong Wang , Hua Wu , Qiaoqiao She , Xuan Liu , Tian Wu , Haifeng Wang

We present a new benchmark dataset called PARADE for paraphrase identification that requires specialized domain knowledge. PARADE contains paraphrases that overlap very little at the lexical and syntactic level but are semantically…

计算与语言 · 计算机科学 2020-10-09 Yun He , Zhuoer Wang , Yin Zhang , Ruihong Huang , James Caverlee

Machine Reading Comprehension (MRC) aims to extract answers to questions given a passage. It has been widely studied recently, especially in open domains. However, few efforts have been made on closed-domain MRC, mainly due to the lack of…

计算与语言 · 计算机科学 2021-08-23 Taolin Zhang , Chengyu Wang , Minghui Qiu , Bite Yang , Xiaofeng He , Jun Huang

Biomedical text mining is becoming increasingly important as the number of biomedical documents and web data rapidly grows. Recently, word representation models such as BERT has gained popularity among researchers. However, it is difficult…

计算与语言 · 计算机科学 2023-01-26 Ningyu Zhang , Qianghuai Jia , Kangping Yin , Liang Dong , Feng Gao , Nengwei Hua