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In the constantly evolving field of cybersecurity, it is imperative for analysts to stay abreast of the latest attack trends and pertinent information that aids in the investigation and attribution of cyber-attacks. In this work, we…

密码学与安全 · 计算机科学 2024-08-13 Sampath Rajapaksha , Ruby Rani , Erisa Karafili

Ranking is a key aspect of many applications, such as information retrieval, question answering, ad placement and recommender systems. Learning to rank has the goal of estimating a ranking model automatically from training data. In…

信息检索 · 计算机科学 2015-02-10 Truyen Tran , Dinh Phung , Svetha Venkatesh

The enormous growth of research publications has made it challenging for academic search engines to bring the most relevant papers against the given search query. Numerous solutions have been proposed over the years to improve the…

信息检索 · 计算机科学 2023-01-27 Shah Khalid , Shah Khusro , Aftab Alam , Abdul Wahid

Frequently-Asked-Question (FAQ) retrieval provides an effective procedure for responding to user's natural language based queries. Such platforms are becoming common in enterprise chatbots, product question answering, and preliminary…

信息检索 · 计算机科学 2021-08-24 Sourav Dutta , Haytham Assem , Edward Burgin

Time plays a critical role in how information is generated, retrieved, and interpreted. In this survey, we provide a comprehensive overview of Temporal Question Answering (TQA), a research area that focuses on answering questions involving…

计算与语言 · 计算机科学 2026-04-24 Bhawna Piryani , Abdelrahman Abdallah , Jamshid Mozafari , Avishek Anand , Adam Jatowt

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…

计算与语言 · 计算机科学 2022-02-03 Hariom A. Pandya , Brijesh S. Bhatt

Competency Questions (CQs) are pivotal in knowledge engineering, guiding the design, validation, and testing of ontologies. A number of diverse formulation approaches have been proposed in the literature, ranging from completely manual to…

计算与语言 · 计算机科学 2026-04-03 Reham Alharbi , Valentina Tamma , Terry R. Payne , Jacopo de Berardinis

While LLMs have demonstrated remarkable potential in Question Answering (QA), evaluating personalization remains a critical bottleneck. Existing paradigms predominantly rely on lexical-level similarity or manual heuristics, often lacking…

计算与语言 · 计算机科学 2026-04-17 Hang Su , Zequn Liu , Chen Hu , Xuesong Lu , Yingce Xia , Zhen Liu

Popularized as 'bottom-up' attention, bounding box (or region) based visual features have recently surpassed vanilla grid-based convolutional features as the de facto standard for vision and language tasks like visual question answering…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Huaizu Jiang , Ishan Misra , Marcus Rohrbach , Erik Learned-Miller , Xinlei Chen

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…

信息检索 · 计算机科学 2020-08-10 Rishiraj Saha Roy , Avishek Anand

This paper presents a new selection-based question answering dataset, SelQA. The dataset consists of questions generated through crowdsourcing and sentence length answers that are drawn from the ten most prevalent topics in the English…

计算与语言 · 计算机科学 2016-10-31 Tomasz Jurczyk , Michael Zhai , Jinho D. Choi

Complex query answering (CQA) on knowledge graphs (KGs) is gaining momentum as a challenging reasoning task. In this paper, we show that the current benchmarks for CQA might not be as complex as we think, as the way they are built distorts…

Open-domain question answering (QA) aims to find the answer to a question from a large collection of documents.Though many models for single-document machine comprehension have achieved strong performance, there is still much room for…

计算与语言 · 计算机科学 2020-06-11 Mantong Zhou , Zhouxing Shi , Minlie Huang , Xiaoyan Zhu

We transfer a key idea from the field of sentiment analysis to a new domain: community question answering (cQA). The cQA task we are interested in is the following: given a question and a thread of comments, we want to re-rank the comments…

计算与语言 · 计算机科学 2017-07-21 Todor Mihaylov , Daniel Belchev , Yasen Kiprov , Ivan Koychev , Preslav Nakov

Compared to standard retrieval tasks, passage retrieval for conversational question answering (CQA) poses new challenges in understanding the current user question, as each question needs to be interpreted within the dialogue context.…

计算与语言 · 计算机科学 2022-10-31 Zeqiu Wu , Yi Luan , Hannah Rashkin , David Reitter , Hannaneh Hajishirzi , Mari Ostendorf , Gaurav Singh Tomar

When answering a question, people often draw upon their rich world knowledge in addition to the particular context. Recent work has focused primarily on answering questions given some relevant document or context, and required very little…

计算与语言 · 计算机科学 2019-03-19 Alon Talmor , Jonathan Herzig , Nicholas Lourie , Jonathan Berant

As language models are adopted by a more sophisticated and diverse set of users, the importance of guaranteeing that they provide factually correct information supported by verifiable sources is critical across fields of study. This is…

计算与语言 · 计算机科学 2024-04-03 Chaitanya Malaviya , Subin Lee , Sihao Chen , Elizabeth Sieber , Mark Yatskar , Dan Roth

Visual Question Answering (VQA) concerns providing answers to Natural Language questions about images. Several deep neural network approaches have been proposed to model the task in an end-to-end fashion. Whereas the task is grounded in…

人工智能 · 计算机科学 2020-02-03 Mehrdad Alizadeh , Barbara Di Eugenio

There has been a lot of interest in developing algorithms to extract clusters or communities from networks. This work proposes a method, based on blockmodelling, for leveraging communities and other topological features for use in a…

社会与信息网络 · 计算机科学 2011-10-20 Leto Peel

Stack Overflow is widely regarded as the most popular Community driven Question Answering (CQA) website for programmers. Questions posted on Stack Overflow which are not related to programming topics, are marked as 'closed' by experienced…

社会与信息网络 · 计算机科学 2013-07-30 Denzil Correa , Ashish Sureka