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We present a novel instance-based approach to handle regression tasks in the context of supervised domain adaptation under an assumption of covariate shift. The approach developed in this paper is based on the assumption that the task on…

Machine Learning · Computer Science 2021-09-16 Antoine de Mathelin , Guillaume Richard , Francois Deheeger , Mathilde Mougeot , Nicolas Vayatis

We consider the problem of active domain adaptation (ADA) to unlabeled target data, of which subset is actively selected and labeled given a budget constraint. Inspired by recent analysis on a critical issue from label distribution mismatch…

Machine Learning · Computer Science 2022-08-16 Sehyun Hwang , Sohyun Lee , Sungyeon Kim , Jungseul Ok , Suha Kwak

Engineering collective adaptive systems (CAS) with learning capabilities is a challenging task due to their multi-dimensional and complex design space. Data-driven approaches for CAS design could introduce new insights enabling system…

Software Engineering · Computer Science 2020-08-11 Mirko D'Angelo , Sona Ghahremani , Simos Gerasimou , Johannes Grohmann , Ingrid Nunes , Sven Tomforde , Evangelos Pournaras

Classifiers trained on given databases perform poorly when tested on data acquired in different settings. This is explained in domain adaptation through a shift among distributions of the source and target domains. Attempts to align them…

Computer Vision and Pattern Recognition · Computer Science 2017-11-29 Fabio Maria Carlucci , Lorenzo Porzi , Barbara Caputo , Elisa Ricci , Samuel Rota Bulò

Deep learning has recently been shown to be instrumental in the problem of domain adaptation, where the goal is to learn a model on a target domain using a similar --but not identical-- source domain. The rationale for coupling both…

Machine Learning · Computer Science 2018-08-17 Behrang Mehrparvar , Ricardo Vilalta

Solving mathematical reasoning problems requires not only accurate access to relevant knowledge but also careful, multi-step thinking. However, current retrieval-augmented models often rely on a single perspective, follow inflexible search…

Artificial Intelligence · Computer Science 2025-11-03 Ali Asgarov , Umid Suleymanov , Aadyant Khatri

There is vivid research on adapting Large Language Models (LLMs) to perform a variety of tasks in high-stakes domains such as healthcare. Despite their popularity, there is a lack of understanding of the extent and contributing factors that…

Computation and Language · Computer Science 2024-06-07 Anand Subramanian , Viktor Schlegel , Abhinav Ramesh Kashyap , Thanh-Tung Nguyen , Vijay Prakash Dwivedi , Stefan Winkler

Information seeking is an essential step for open-domain question answering to efficiently gather evidence from a large corpus. Recently, iterative approaches have been proven to be effective for complex questions, by recursively retrieving…

Computation and Language · Computer Science 2021-09-15 Yunchang Zhu , Liang Pang , Yanyan Lan , Huawei Shen , Xueqi Cheng

Actual applications (mostly component based) requirements cannot be expressed without a ubiquitous and mobile part for end-users as well as for M2M applications (Machine to Machine). Such an evolution implies context management in order to…

Software Engineering · Computer Science 2009-09-14 Marc Dalmau , Philippe Roose , Sophie Laplace

We present a new discriminative technique for the multiple-source adaptation, MSA, problem. Unlike previous work, which relies on density estimation for each source domain, our solution only requires conditional probabilities that can…

Machine Learning · Computer Science 2021-02-15 Corinna Cortes , Mehryar Mohri , Ananda Theertha Suresh , Ningshan Zhang

Complex question-answering (CQA) involves answering complex natural-language questions on a knowledge base (KB). However, the conventional neural program induction (NPI) approach exhibits uneven performance when the questions have different…

Computation and Language · Computer Science 2020-11-02 Yuncheng Hua , Yuan-Fang Li , Gholamreza Haffari , Guilin Qi , Tongtong Wu

Reinforcement Learning is a machine learning methodology that has demonstrated strong performance across a variety of tasks. In particular, it plays a central role in the development of artificial autonomous agents. As these agents become…

Artificial Intelligence · Computer Science 2025-07-23 Lisa Dargasz

Machine reading comprehension (MRC) requires reasoning about both the knowledge involved in a document and knowledge about the world. However, existing datasets are typically dominated by questions that can be well solved by context…

Computation and Language · Computer Science 2018-09-13 Yibo Sun , Daya Guo , Duyu Tang , Nan Duan , Zhao Yan , Xiaocheng Feng , Bing Qin

In machine learning, Domain Adaptation (DA) arises when the distribution gen- erating the test (target) data differs from the one generating the learning (source) data. It is well known that DA is an hard task even under strong assumptions,…

Machine Learning · Statistics 2012-12-12 Pascal Germain , Amaury Habrard , François Laviolette , Emilie Morvant

Knowledge-based Visual Question Answering (KVQA) requires both image and world knowledge to answer questions. Current methods first retrieve knowledge from the image and external knowledge base with the original complex question, then…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Wenbin An , Feng Tian , Jiahao Nie , Wenkai Shi , Haonan Lin , Yan Chen , QianYing Wang , Yaqiang Wu , Guang Dai , Ping Chen

Context: Adaptive monitoring is a method used in a variety of domains for responding to changing conditions. It has been applied in different ways, from monitoring systems' customization to re-composition, in different application domains.…

Software Engineering · Computer Science 2018-09-05 Edith Zavala , Xavier Franch , Jordi Marco

The study is from a base of accident scenarii in rail transport (feedback) in order to develop a tool to share build and sustain knowledge and safety and secondly to exploit the knowledge stored to prevent the reproduction of accidents /…

Artificial Intelligence · Computer Science 2012-03-07 Ahmed Maalel , Habib Hadj-Mabrouk

The case difference heuristic (CDH) approach is a knowledge-light method for learning case adaptation knowledge from the case base of a case-based reasoning system. Given a pair of cases, the CDH approach attributes the difference in their…

Artificial Intelligence · Computer Science 2021-07-16 Xiaomeng Ye , Ziwei Zhao , David Leake , Xizi Wang , David Crandall

The Knowledge Base Question Answering (KBQA) task aims to answer natural language questions based on a given knowledge base. Recently, Large Language Models (LLMs) have shown strong capabilities in language understanding and can be used to…

Computation and Language · Computer Science 2024-02-13 Yantao Liu , Zixuan Li , Xiaolong Jin , Yucan Guo , Long Bai , Saiping Guan , Jiafeng Guo , Xueqi Cheng

Knowledge and Action Bases (KABs) have been recently proposed as a formal framework to capture the dynamics of systems which manipulate Description Logic (DL) Knowledge Bases (KBs) through action execution. In this work, we enrich the KAB…

Artificial Intelligence · Computer Science 2014-12-30 Diego Calvanese , İsmail İlkan Ceylan , Marco Montali , Ario Santoso