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Accurate attribute extraction is critical for beauty product recommendations and building trust with customers. This remains an open problem, as existing solutions are often unreliable and incomplete. We present a system to extract…

机器学习 · 计算机科学 2024-09-23 Siliang Liu , Rahul Suresh , Amin Banitalebi-Dehkordi

Compliments and concerns in reviews are valuable for understanding users' shopping interests and their opinions with respect to specific aspects of certain items. Existing review-based recommenders favor large and complex language encoders…

信息检索 · 计算机科学 2021-09-10 Zeyu Li , Wei Cheng , Reema Kshetramade , John Houser , Haifeng Chen , Wei Wang

Many question answering (QA) tasks only provide weak supervision for how the answer should be computed. For example, TriviaQA answers are entities that can be mentioned multiple times in supporting documents, while DROP answers can be…

计算与语言 · 计算机科学 2019-09-12 Sewon Min , Danqi Chen , Hannaneh Hajishirzi , Luke Zettlemoyer

We study continually improving an extractive question answering (QA) system via human user feedback. We design and deploy an iterative approach, where information-seeking users ask questions, receive model-predicted answers, and provide…

计算与语言 · 计算机科学 2023-11-07 Ge Gao , Hung-Ting Chen , Yoav Artzi , Eunsol Choi

Argument mining involves multiple sub-tasks that automatically identify argumentative elements, such as claim detection, evidence extraction, stance classification, etc. However, each subtask alone is insufficient for a thorough…

计算与语言 · 计算机科学 2023-06-01 Jia Guo , Liying Cheng , Wenxuan Zhang , Stanley Kok , Xin Li , Lidong Bing

Retrieval augmented Question Answering (QA) helps QA models overcome knowledge gaps by incorporating retrieved evidence, typically a set of passages, alongside the question at test time. Previous studies show that this approach improves QA…

计算与语言 · 计算机科学 2025-09-12 Laura Perez-Beltrachini , Mirella Lapata

Query categorization is an essential part of query intent understanding in e-commerce search. A common query categorization task is to select the relevant fine-grained product categories in a product taxonomy. For frequent queries, rich…

信息检索 · 计算机科学 2021-05-12 Ali Ahmadvand , Sayyed M. Zahiri , Simon Hughes , Khalifa Al Jadda , Surya Kallumadi , Eugene Agichtein

In the field of information retrieval, query expansion (QE) has long been used as a technique to deal with the fundamental issue of word mismatch between a user's query and the target information. In the context of the relationship between…

信息检索 · 计算机科学 2022-08-16 Hiteshwar Kumar Azad , Akshay Deepak

Question answering (QA) using textual sources for purposes such as reading comprehension (RC) has attracted much attention. This study focuses on the task of explainable multi-hop QA, which requires the system to return the answer with…

计算与语言 · 计算机科学 2019-05-30 Kosuke Nishida , Kyosuke Nishida , Masaaki Nagata , Atsushi Otsuka , Itsumi Saito , Hisako Asano , Junji Tomita

Millions of people use online e-commerce platforms to search and buy products. Identifying attributes in a query is a critical component in connecting users to relevant items. However, in many cases, the queries have multiple attributes,…

信息检索 · 计算机科学 2018-07-16 Suhas Ranganath

Natural language understanding's relation extraction makes innovative and encouraging novel business concepts possible and facilitates new digitilized decision-making processes. Current approaches allow the extraction of relations with a…

计算与语言 · 计算机科学 2021-11-18 Lars Klöser , Philipp Kohl , Bodo Kraft , Albert Zündorf

E-commerce product pages contain a mix of structured specifications, unstructured reviews, and contextual elements like personalized offers or regional variants. Although informative, this volume can lead to cognitive overload, making it…

计算与语言 · 计算机科学 2025-08-05 Praveen Tangarajan , Anand A. Rajasekar , Manish Rathi , Vinay Rao Dandin , Ozan Ersoy

Understanding searchers' queries is an essential component of semantic search systems. In many cases, search queries involve specific attributes of an entity in a knowledge base (KB), which can be further used to find query answers. In this…

信息检索 · 计算机科学 2018-09-25 Arash Dargahi Nobari , Arian Askari , Faegheh Hasibi , Mahmood Neshati

Quality Estimation (QE) is the task of automatically predicting Machine Translation quality in the absence of reference translations, making it applicable in real-time settings, such as translating online social media conversations. Recent…

Tens of thousands of engineers use Sourcegraph day-to-day to search for code and rely on it to make progress on software development tasks. We face a key challenge in designing a query language that accommodates the needs of a broad…

软件工程 · 计算机科学 2022-12-08 Rijnard van Tonder

Event argument extraction (EAE) is an important task for information extraction to discover specific argument roles. In this study, we cast EAE as a question-based cloze task and empirically analyze fixed discrete token template…

计算与语言 · 计算机科学 2023-01-26 Hongbin Ye , Ningyu Zhang , Zhen Bi , Shumin Deng , Chuanqi Tan , Hui Chen , Fei Huang , Huajun Chen

Knowledge-based visual question answering (KB-VQA) requires vision-language models to understand images and use external knowledge, especially for rare entities and long-tail facts. Most existing retrieval-augmented generation (RAG) methods…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Zhuohong Chen , Zhenxian Wu , Yunyao Yu , Hangrui Xu , Zirui Liao , Zhifang Liu , Xiangwen Deng , Pen Jiao , Haoqian Wang

Query Auto-Completion (QAC) is an ubiquitous feature of modern textual search systems, suggesting possible ways of completing the query being typed by the user. Efficiency is crucial to make the system have a real-time responsiveness when…

信息检索 · 计算机科学 2022-02-08 Simon Gog , Giulio Ermanno Pibiri , Rossano Venturini

Most existing works in visual question answering (VQA) are dedicated to improving the accuracy of predicted answers, while disregarding the explanations. We argue that the explanation for an answer is of the same or even more importance…

计算机视觉与模式识别 · 计算机科学 2018-08-28 Qing Li , Qingyi Tao , Shafiq Joty , Jianfei Cai , Jiebo Luo

Extracting structured knowledge from product profiles is crucial for various applications in e-Commerce. State-of-the-art approaches for knowledge extraction were each designed for a single category of product, and thus do not apply to…

计算与语言 · 计算机科学 2020-05-04 Giannis Karamanolakis , Jun Ma , Xin Luna Dong