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Transferring knowledge from a source domain to another domain is useful, especially when gathering new data is very expensive and time-consuming. Deep networks have been well-studied for question answering tasks in recent years; however, no…

计算与语言 · 计算机科学 2019-11-05 Ali Ahmadvand , Jinho D. Choi

Positive unlabeled (PU) learning is useful in various practical situations, where there is a need to learn a classifier for a class of interest from an unlabeled data set, which may contain anomalies as well as samples from unknown classes.…

机器学习 · 计算机科学 2018-08-17 Emanuele Sansone , Francesco G. B. De Natale , Zhi-Hua Zhou

Complementary-label learning is a weakly supervised learning problem in which each training example is associated with one or multiple complementary labels indicating the classes to which it does not belong. Existing consistent approaches…

机器学习 · 计算机科学 2024-10-14 Wei Wang , Takashi Ishida , Yu-Jie Zhang , Gang Niu , Masashi Sugiyama

Large language models (LLMs) often produce confident yet incorrect responses, and uncertainty quantification is one potential solution to more robust usage. Recent works routinely rely on self-consistency to estimate aleatoric uncertainty…

人工智能 · 计算机科学 2026-04-21 Kimia Hamidieh , Veronika Thost , Walter Gerych , Mikhail Yurochkin , Marzyeh Ghassemi

A database D may be inconsistent wrt a given set IC of integrity constraints. Consistent Query Answering (CQA) is the problem of computing from D the answers to a query that are consistent wrt IC . Consistent answers are invariant under all…

数据库 · 计算机科学 2016-05-24 Andrei Lopatenko , Leopoldo Bertossi

Planning for diverse real-world robotic tasks necessitates to know and write all constraints. However, instances exist where these constraints are either unknown or challenging to specify accurately. A possible solution is to infer the…

机器人学 · 计算机科学 2025-01-17 Baiyu Peng , Aude Billard

Outfit recommendation requires the answers of some challenging outfit compatibility questions such as 'Which pair of boots and school bag go well with my jeans and sweater?'. It is more complicated than conventional similarity search, and…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Xuewen Yang , Dongliang Xie , Xin Wang , Jiangbo Yuan , Wanying Ding , Pengyun Yan

A conventional approach to entity linking is to first find mentions in a given document and then infer their underlying entities in the knowledge base. A well-known limitation of this approach is that it requires finding mentions without…

计算与语言 · 计算机科学 2022-03-09 Wenzheng Zhang , Wenyue Hua , Karl Stratos

Question answering systems usually use keyword searches to retrieve potential passages related to a question, and then extract the answer from passages with the machine reading comprehension methods. However, many questions tend to be…

计算与语言 · 计算机科学 2021-05-25 Wei Peng , Yue Hu , Jing Yu , Luxi Xing , Yuqiang Xie , Zihao Zhu , Yajing Sun

In the world of big data, large but costly to label datasets dominate many fields. Active learning, a semi-supervised alternative to the standard PAC-learning model, was introduced to explore whether adaptive labeling could learn concepts…

机器学习 · 计算机科学 2020-06-02 Max Hopkins , Daniel M. Kane , Shachar Lovett

Research in Document Intelligence and especially in Document Key Information Extraction (DocKIE) has been mainly solved as Token Classification problem. Recent breakthroughs in both natural language processing (NLP) and computer vision…

计算与语言 · 计算机科学 2023-04-24 Laurent Lam , Pirashanth Ratnamogan , Joël Tang , William Vanhuffel , Fabien Caspani

Community Question Answering (CQA) in different domains is growing at a large scale because of the availability of several platforms and huge shareable information among users. With the rapid growth of such online platforms, a massive…

信息检索 · 计算机科学 2024-03-06 Rima Hazra , Debanjan Saha , Amruit Sahoo , Somnath Banerjee , Animesh Mukherjee

Building automatic technical support system is an important yet challenge task. Conceptually, to answer a user question on a technical forum, a human expert has to first retrieve relevant documents, and then read them carefully to identify…

计算与语言 · 计算机科学 2021-05-19 Wenhao Yu , Lingfei Wu , Yu Deng , Qingkai Zeng , Ruchi Mahindru , Sinem Guven , Meng Jiang

Partial multi-label learning and complementary multi-label learning are two popular weakly supervised multi-label classification paradigms that aim to alleviate the high annotation costs of collecting precisely annotated multi-label data.…

机器学习 · 计算机科学 2026-02-26 Wei Wang , Tianhao Ma , Ming-Kun Xie , Gang Niu , Masashi Sugiyama

Existing tools for Question Answering (QA) have challenges that limit their use in practice. They can be complex to set up or integrate with existing infrastructure, do not offer configurable interactive interfaces, and do not cover the…

计算与语言 · 计算机科学 2020-12-01 Victor Dibia

We propose a novel learning framework to answer questions such as "if a user is purchasing a shirt, what other items will (s)he need with the shirt?" Our framework learns distributed representations for items from available textual data,…

机器学习 · 计算机科学 2019-09-17 Mansi Ranjit Mane , Stephen Guo , Kannan Achan

A fundamental ability of humans is to utilize commonsense knowledge in language understanding and question answering. In recent years, many knowledge-enhanced Commonsense Question Answering (CQA) approaches have been proposed. However, it…

计算与语言 · 计算机科学 2021-01-06 Ning Bian , Xianpei Han , Bo Chen , Le Sun

Product search plays an essential role in eCommerce. It was treated as a special type of information retrieval problem. Most existing works make use of historical data to improve the search performance, which do not take the opportunity to…

信息检索 · 计算机科学 2024-03-06 Zixuan Li , Lizi Liao , Tat-Seng Chua

Community question answering (CQA) represents the type of Web applications where people can exchange knowledge via asking and answering questions. One significant challenge of most real-world CQA systems is the lack of effective matching…

社会与信息网络 · 计算机科学 2018-07-18 Xianzhi Wang , Chaoran Huang , Lina Yao , Boualem Benatallah , Manqing Dong

In this paper, we study the classification problem in which we have access to easily obtainable surrogate for true labels, namely complementary labels, which specify classes that observations do \textbf{not} belong to. Let $Y$ and $\bar{Y}$…

机器学习 · 统计学 2018-08-09 Xiyu Yu , Tongliang Liu , Mingming Gong , Dacheng Tao