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Related papers: Hierarchical Ranking for Answer Selection

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We propose a hierarchical architecture for efficiently computing high-quality solutions to structured mixed-integer programs (MIPs). To reduce computational effort, our approach decouples the original problem into a higher level problem and…

Optimization and Control · Mathematics 2025-12-04 Stefan Clarke , Bartolomeo Stellato

Deploying deep neural networks for risk-sensitive tasks necessitates an uncertainty estimation mechanism. This paper introduces hierarchical selective classification, extending selective classification to a hierarchical setting. Our…

Machine Learning · Computer Science 2025-01-07 Shani Goren , Ido Galil , Ran El-Yaniv

The success of a cross-sectional systematic strategy depends critically on accurately ranking assets prior to portfolio construction. Contemporary techniques perform this ranking step either with simple heuristics or by sorting outputs from…

Trading and Market Microstructure · Quantitative Finance 2020-12-15 Daniel Poh , Bryan Lim , Stefan Zohren , Stephen Roberts

In the open book question answering (OBQA) task, selecting the relevant passages and sentences from distracting information is crucial to reason the answer to a question. HotpotQA dataset is designed to teach and evaluate systems to do both…

Computation and Language · Computer Science 2022-08-03 Man Luo , Shuguang Chen , Chitta Baral

Email Retrieval task has recently taken much attention to help the user retrieve the email(s) related to the submitted query. Up to our knowledge, existing email retrieval ranking approaches sort the retrieved emails based on some heuristic…

Information Retrieval · Computer Science 2010-11-03 Samir AbdelRahman , Basma Hassan , Reem Bahgat

In this paper, we propose a novel end-to-end neural architecture for ranking candidate answers, that adapts a hierarchical recurrent neural network and a latent topic clustering module. With our proposed model, a text is encoded to a vector…

Computation and Language · Computer Science 2018-04-10 Seunghyun Yoon , Joongbo Shin , Kyomin Jung

Modern listwise recommendation systems need to consider both long-term user perceptions and short-term interest shifts. Reinforcement learning can be applied on recommendation to study such a problem but is also subject to large search…

Information Retrieval · Computer Science 2025-07-22 Luo Ji , Gao Liu , Mingyang Yin , Hongxia Yang , Jingren Zhou

Counterfactual learning to rank (CLTR) aims to learn a ranking policy from user interactions while correcting for the inherent biases in interaction data, such as position bias. Existing CLTR methods assume a single ranking policy that…

Information Retrieval · Computer Science 2026-01-08 Shashank Gupta , Yiming Liao , Maarten de Rijke

Multiple query criteria active learning (MQCAL) methods have a higher potential performance than conventional active learning methods in which only one criterion is deployed for sample selection. A central issue related to MQCAL methods…

Machine Learning · Computer Science 2018-09-28 Yu Zhao , Zhenhui Shi , Jingyang Zhang , Dong Chen , Lixu Gu

Email Retrieval task has recently taken much attention to help the user retrieve the email(s) related to the submitted query. Up to our knowledge, existing email retrieval ranking approaches sort the retrieved emails based on some heuristic…

Information Retrieval · Computer Science 2010-11-02 Samir AbdelRahman , Basma Hassan , Reem Bahgat

Non-Factoid (NF) Question Answering (QA) is challenging to evaluate due to diverse potential answers and no objective criterion. The commonly used automatic evaluation metrics like ROUGE or BERTScore cannot accurately measure semantic…

Computation and Language · Computer Science 2024-10-01 Sihui Yang , Keping Bi , Wanqing Cui , Jiafeng Guo , Xueqi Cheng

Hierarchical text classification (HTC) assigns documents to multiple levels of a pre-defined taxonomy. Automated patent subject classification represents one of the hardest HTC scenarios because of domain knowledge difficulty and a huge…

Computation and Language · Computer Science 2025-10-09 Lekang Jiang , Wenjun Sun , Stephan Goetz

In recent years, there have been amazing advances in deep learning methods for machine reading. In machine reading, the machine reader has to extract the answer from the given ground truth paragraph. Recently, the state-of-the-art machine…

Computation and Language · Computer Science 2018-04-13 Phu Mon Htut , Samuel R. Bowman , Kyunghyun Cho

Textbook question answering (TQA) is a complex task, requiring the interpretation of complex multimodal context. Although recent advances have improved overall performance, they often encounter difficulties in educational settings where…

Information Retrieval · Computer Science 2025-05-21 Hessa Alawwad , Usman Naseem , Areej Alhothali , Ali Alkhathlan , Amani Jamal

We implement a method for re-ranking top-10 results of a state-of-the-art question answering (QA) system. The goal of our re-ranking approach is to improve the answer selection given the user question and the top-10 candidates. We focus on…

Machine Learning · Computer Science 2021-06-17 Michael Barz , Daniel Sonntag

The options framework in Hierarchical Reinforcement Learning breaks down overall goals into a combination of options or simpler tasks and associated policies, allowing for abstraction in the action space. Ideally, these options can be…

Machine Learning · Computer Science 2022-06-14 Kushal Chauhan , Soumya Chatterjee , Akash Reddy , Balaraman Ravindran , Pradeep Shenoy

Learning-to-rank (LTR) is a class of supervised learning techniques that apply to ranking problems dealing with a large number of features. The popularity and widespread application of LTR models in prioritizing information in a variety of…

Machine Learning · Computer Science 2020-05-19 Jaspreet Singh , Zhenye Wang , Megha Khosla , Avishek Anand

To advance the development of science and technology, research proposals are submitted to open-court competitive programs developed by government agencies (e.g., NSF). Proposal classification is one of the most important tasks to achieve…

Machine Learning · Computer Science 2022-09-20 Meng Xiao , Ziyue Qiao , Yanjie Fu , Yi Du , Pengyang Wang

There are several ideas being used today for Web information retrieval, and specifically in Web search engines. The PageRank algorithm is one of those that introduce a content-neutral ranking function over Web pages. This ranking is applied…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Giorgos Kollias , Efstratios Gallopoulos , Daniel B. Szyld

Traditional recommender systems encounter several challenges such as data sparsity and unexplained recommendation. To address these challenges, many works propose to exploit semantic information from review data. However, these methods have…

Information Retrieval · Computer Science 2020-10-16 Jiahui Wen , Jingwei Ma , Hongkui Tu , Wei Yin , Jian Fang
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