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Question answering (QA) aims to understand questions and find appropriate answers. In real-world QA systems, Frequently Asked Question (FAQ) based QA is usually a practical and effective solution, especially for some complicated questions…

Computation and Language · Computer Science 2020-10-23 Ruobing Xie , Yanan Lu , Fen Lin , Leyu Lin

Question paraphrase identification is a key task in Community Question Answering (CQA) to determine if an incoming question has been previously asked. Many current models use word embeddings to identify duplicate questions, but the use of…

Computation and Language · Computer Science 2020-07-23 Nicole Peinelt , Dong Nguyen , Maria Liakata

The last few years have seen an explosion of research on the topic of automated question answering (QA), spanning the communities of information retrieval, natural language processing, and artificial intelligence. This tutorial would cover…

Information Retrieval · Computer Science 2020-08-10 Rishiraj Saha Roy , Avishek Anand

Recent work on Event Extraction has reframed the task as Question Answering (QA), with promising results. The advantage of this approach is that it addresses the error propagation issue found in traditional token-based classification…

Computation and Language · Computer Science 2023-07-13 Di Lu , Shihao Ran , Joel Tetreault , Alejandro Jaimes

Popular QA benchmarks like SQuAD have driven progress on the task of identifying answer spans within a specific passage, with models now surpassing human performance. However, retrieving relevant answers from a huge corpus of documents is…

Computation and Language · Computer Science 2020-02-13 Amin Ahmad , Noah Constant , Yinfei Yang , Daniel Cer

The task of answer retrieval in the legal domain aims to help users to seek relevant legal advice from massive amounts of professional responses. Two main challenges hinder applying existing answer retrieval approaches in other domains to…

Information Retrieval · Computer Science 2024-01-11 Arian Askari , Zihui Yang , Zhaochun Ren , Suzan Verberne

Knowledge and expertise in the real-world can be disjointedly owned. To solve a complex question, collaboration among experts is often called for. In this paper, we propose CollabQA, a novel QA task in which several expert agents…

Artificial Intelligence · Computer Science 2022-01-25 Xiangkun Hu , Hang Yan , Qipeng Guo , Xipeng Qiu , Weinan Zhang , Zheng Zhang

On the way towards general Visual Question Answering (VQA) systems that are able to answer arbitrary questions, the need arises for evaluation beyond single-metric leaderboards for specific datasets. To this end, we propose a browser-based…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Dirk Väth , Pascal Tilli , Ngoc Thang Vu

With the steady emergence of community question answering (CQA) platforms like Quora, StackExchange, and WikiHow, users now have an unprecedented access to information on various kind of queries and tasks. Moreover, the rapid proliferation…

Computation and Language · Computer Science 2022-12-20 Sebastin Santy , Prasanta Bhattacharya , Rishabh Mehrotra

Conversational question answering (CQA) facilitates an incremental and interactive understanding of a given context, but building a CQA system is difficult for many domains due to the problem of data scarcity. In this paper, we introduce a…

Computation and Language · Computer Science 2022-10-25 Seonjeong Hwang , Yunsu Kim , Gary Geunbae Lee

Ensemble learning combines several individual models to obtain better generalization performance. Currently, deep learning architectures are showing better performance compared to the shallow or traditional models. Deep ensemble learning…

Machine Learning · Computer Science 2022-08-09 M. A. Ganaie , Minghui Hu , A. K. Malik , M. Tanveer , P. N. Suganthan

Would-be practitioners of causal discovery face a dizzying array of algorithms without a clear best choice. This abundance of competitive methods makes ensembling a natural strategy for practical applications. At the same time, real-world…

Machine Learning · Computer Science 2026-05-08 Adrick Tench , Thomas Demeester

Over the last twenty years, significant progress has been made in designing and implementing Question Answering (QA) systems. However, addressing complex questions, the answers to which are spread across multiple documents, remains a…

Computation and Language · Computer Science 2026-02-26 Sourav Saha , Dwaipayan Roy , Mandar Mitra

The usage and amount of information available on the internet increase over the past decade. This digitization leads to the need for automated answering system to extract fruitful information from redundant and transitional knowledge…

Computation and Language · Computer Science 2022-02-03 Hariom A. Pandya , Brijesh S. Bhatt

Multiple-Choice Question Answering (MCQA) is a challenging task in machine reading comprehension. The main challenge in MCQA is to extract "evidence" from the given context that supports the correct answer. In the OpenbookQA dataset, the…

Computation and Language · Computer Science 2020-10-07 Sicheng Yu , Hao Zhang , Wei Jing , Jing Jiang

As communities represent similar opinions, similar functions, similar purposes, etc., community detection is an important and extremely useful tool in both scientific inquiry and data analytics. However, the classic methods of community…

Social and Information Networks · Computer Science 2020-09-24 Fanzhen Liu , Shan Xue , Jia Wu , Chuan Zhou , Wenbin Hu , Cecile Paris , Surya Nepal , Jian Yang , Philip S. Yu

In this work, we explore the limitations of combining models by averaging intermediate features, referred to as model merging, and propose a new direction for achieving collective model intelligence through what we call compatible…

Machine Learning · Computer Science 2024-11-05 Jyothish Pari , Samy Jelassi , Pulkit Agrawal

Product question answering (PQA), aiming to automatically provide instant responses to customer's questions in E-Commerce platforms, has drawn increasing attention in recent years. Compared with typical QA problems, PQA exhibits unique…

Computation and Language · Computer Science 2023-05-04 Yang Deng , Wenxuan Zhang , Qian Yu , Wai Lam

Cross-Domain Collaborative Filtering (CDCF) provides a way to alleviate data sparsity and cold-start problems present in recommendation systems by exploiting the knowledge from related domains. Existing CDCF models are either based on…

Information Retrieval · Computer Science 2019-07-22 Vijaikumar M , Shirish Shevade , M N Murty

Expert finding is an important task in both industry and academia. It is challenging to rank candidates with appropriate expertise for various queries. In addition, different types of objects interact with one another, which naturally forms…

Information Retrieval · Computer Science 2018-03-12 Huan Gui , Qi Zhu , Liyuan Liu , Aston Zhang , Jiawei Han