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Video Question Answering (VidQA) evaluation metrics have been limited to a single-word answer or selecting a phrase from a fixed set of phrases. These metrics limit the VidQA models' application scenario. In this work, we leverage semantic…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Arka Sadhu , Kan Chen , Ram Nevatia

The ability to ask questions is important in both human and machine intelligence. Learning to ask questions helps knowledge acquisition, improves question-answering and machine reading comprehension tasks, and helps a chatbot to keep the…

计算与语言 · 计算机科学 2020-03-06 Bang Liu , Haojie Wei , Di Niu , Haolan Chen , Yancheng He

The question answering system can answer questions from various fields and forms with deep neural networks, but it still lacks effective ways when facing multiple evidences. We introduce a new model called SRQA, which means Synthetic Reader…

计算与语言 · 计算机科学 2020-09-04 Jiuniu Wang , Wenjia Xu , Xingyu Fu , Yang Wei , Li Jin , Ziyan Chen , Guangluan Xu , Yirong Wu

Automated service agents require well-structured workflows to provide consistent and accurate responses to customer queries. However, these workflows are often undocumented, and their automatic extraction from conversations remains…

Pattern extraction algorithms are enabling insights into the ever-growing amount of today's datasets by translating reoccurring data properties into compact representations. Yet, a practical problem arises: With increasing data volumes and…

信息检索 · 计算机科学 2018-07-05 Michael Behrisch , Robert Krueger , Fritz Lekschas , Tobias Schreck , Nils Gehlenborg , Hanspeter Pfister

Personality quiz is a powerful tool that enables costumer segmentation by actively asking them questions, and marketers are using it as an effective method of generating leads and increasing e-commerce sales. In this paper, we study the…

机器学习 · 计算机科学 2020-12-29 Shaojie Tang , Jing Yuan

Many problems within personalized medicine and digital health rely on the analysis of continuous-time functional biomarkers and other complex data structures emerging from high-resolution patient monitoring. In this context, this work…

机器学习 · 统计学 2025-01-14 Marcos Matabuena

Practical applications of abstractive summarization models are limited by frequent factual inconsistencies with respect to their input. Existing automatic evaluation metrics for summarization are largely insensitive to such errors. We…

计算与语言 · 计算机科学 2020-04-10 Alex Wang , Kyunghyun Cho , Mike Lewis

We present data augmentation techniques for process extraction tasks in scientific publications. We cast the process extraction task as a sequence labeling task where we identify all the entities in a sentence and label them according to…

计算与语言 · 计算机科学 2025-04-16 Yuni Susanti

Structural assessment of biomolecular complexes is vital for translating molecular models into functional insights, shaping our understanding of biology and aiding drug discovery. However, current structure-based scoring functions often…

Pre-trained Generative models such as BART, T5, etc. have gained prominence as a preferred method for text generation in various natural language processing tasks, including abstractive long-form question answering (QA) and summarization.…

计算与语言 · 计算机科学 2023-11-07 Prabir Mallick , Tapas Nayak , Indrajit Bhattacharya

Question answering (QA) extracting answers from text to the given question in natural language, has been actively studied and existing models have shown a promise of outperforming human performance when trained and evaluated with SQuAD…

计算与语言 · 计算机科学 2018-12-04 Gyeongbok Lee , Sungdong Kim , Seung-won Hwang

We propose a document retrieval method for question answering that represents documents and questions as weighted centroids of word embeddings and reranks the retrieved documents with a relaxation of Word Mover's Distance. Using biomedical…

信息检索 · 计算机科学 2016-08-16 Georgios-Ioannis Brokos , Prodromos Malakasiotis , Ion Androutsopoulos

Multi-hop question answering (QA) requires systems to iteratively retrieve evidence and reason across multiple hops. While recent RAG and agentic methods report strong results, the underlying retrieval--reasoning \emph{process} is often…

计算与语言 · 计算机科学 2026-01-05 Yuelyu Ji , Zhuochun Li , Rui Meng , Daqing He

The problem of event extraction requires detecting the event trigger and extracting its corresponding arguments. Existing work in event argument extraction typically relies heavily on entity recognition as a preprocessing/concurrent step,…

计算与语言 · 计算机科学 2021-02-08 Xinya Du , Claire Cardie

Explainable Artificial Intelligence has become a crucial area of research, aiming to demystify the decision-making processes of deep learning models. Among various explainability techniques, counterfactual explanations have been proven…

机器学习 · 计算机科学 2025-10-14 Flavio Giorgi , Matteo Silvestri , Cesare Campagnano , Fabrizio Silvestri , Gabriele Tolomei

In this paper we describe ExtrAns, an answer extraction system. Answer extraction (AE) aims at retrieving those exact passages of a document that directly answer a given user question. AE is more ambitious than information retrieval and…

计算与语言 · 计算机科学 2007-05-23 D. Molla , J. Berri , M. Hess

Healthcare question answering assistance aims to provide customer healthcare information, which widely appears in both Web and mobile Internet. The questions usually require the assistance to have proficient healthcare background knowledge…

人工智能 · 计算机科学 2020-09-29 Ye Liu , Shaika Chowdhury , Chenwei Zhang , Cornelia Caragea , Philip S. Yu

We formalize a new modular variant of current question answering tasks by enforcing complete independence of the document encoder from the question encoder. This formulation addresses a key challenge in machine comprehension by requiring a…

计算与语言 · 计算机科学 2018-09-27 Minjoon Seo , Tom Kwiatkowski , Ankur P. Parikh , Ali Farhadi , Hannaneh Hajishirzi

Current question answering (QA) systems primarily consider the single-answer scenario, where each question is assumed to be paired with one correct answer. However, in many real-world QA applications, multiple answer scenarios arise where…

计算与语言 · 计算机科学 2022-05-03 Wenxuan Zhou , Qiang Ning , Heba Elfardy , Kevin Small , Muhao Chen
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