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While billions of non-English speaking users rely on search engines every day, the problem of ad-hoc information retrieval is rarely studied for non-English languages. This is primarily due to a lack of data set that are suitable to train…

信息检索 · 计算机科学 2020-05-01 Sean MacAvaney , Luca Soldaini , Nazli Goharian

Open Domain Question Answering requires systems to retrieve external knowledge and perform multi-hop reasoning by composing knowledge spread over multiple sentences. In the recently introduced open domain question answering challenge…

计算与语言 · 计算机科学 2020-04-20 Pratyay Banerjee , Chitta Baral

Current cross-modal retrieval systems are evaluated using R@K measure which does not leverage semantic relationships rather strictly follows the manually marked image text query pairs. Therefore, current systems do not generalize well for…

计算机视觉与模式识别 · 计算机科学 2019-09-06 Shah Nawaz , Muhammad Kamran Janjua , Ignazio Gallo , Arif Mahmood , Alessandro Calefati , Faisal Shafait

Search engine has become a fundamental component in various web and mobile applications. Retrieving relevant documents from the massive datasets is challenging for a search engine system, especially when faced with verbose or tail queries.…

信息检索 · 计算机科学 2020-08-11 Kuan Fang , Long Zhao , Zhan Shen , RuiXing Wang , RiKang Zhour , LiWen Fan

Existing multilingual embedding models often encounter challenges in cross-lingual scenarios due to imbalanced linguistic resources and less consideration of cross-lingual alignment during training. Although standardized contrastive…

计算与语言 · 计算机科学 2026-04-15 Seungyoon Lee , Minhyuk Kim , Seongtae Hong , Youngjoon Jang , Dongsuk Oh , Heuiseok Lim

Language models that utilize extensive self-supervised pre-training from unlabeled text, have recently shown to significantly advance the state-of-the-art performance in a variety of language understanding tasks. However, it is yet unclear…

信息检索 · 计算机科学 2020-09-29 Itzik Malkiel , Oren Barkan , Avi Caciularu , Noam Razin , Ori Katz , Noam Koenigstein

What is the relation between a word and its description, or a word and its embedding? Both descriptions and embeddings are semantic representations of words. But, what information from the original word remains in these representations? Or…

计算与语言 · 计算机科学 2022-05-17 Damir Korenčić , Ivan Grubišić

With the prosperous of cross-border e-commerce, there is an urgent demand for designing intelligent approaches for assisting e-commerce sellers to offer local products for consumers from all over the world. In this paper, we explore a new…

计算与语言 · 计算机科学 2020-05-19 Juntao Li , Chang Liu , Jian Wang , Lidong Bing , Hongsong Li , Xiaozhong Liu , Dongyan Zhao , Rui Yan

Recently, neural approaches to spoken content retrieval have become popular. However, they tend to be restricted in their vocabulary or in their ability to deal with imbalanced test settings. These restrictions limit their applicability in…

音频与语音处理 · 电气工程与系统科学 2021-08-25 Bolaji Yusuf , Alican Gok , Batuhan Gundogdu , Murat Saraclar

The main aim of an information retrieval system is to extract appropriate information from an enormous collection of data based on users need. The basic concept of the information retrieval system is that when a user sends out a query, the…

信息检索 · 计算机科学 2020-12-17 Abdulmalik Johar

The rapid expansion of Earth Science data from satellite observations, reanalysis products, and numerical simulations has created a critical bottleneck in scientific discovery, namely identifying relevant datasets for a given research…

数据库 · 计算机科学 2026-03-03 Youran Sun , Yixin Wen , Haizhao Yang

When combined with In-Context Learning, a technique that enables models to adapt to new tasks by incorporating task-specific examples or demonstrations directly within the input prompt, autoregressive language models have achieved good…

计算与语言 · 计算机科学 2024-10-18 Enzo Shiraishi , Raphael Y. de Camargo , Henrique L. P. Silva , Ronaldo C. Prati

Researchers often spend weeks sifting through decades of unlabeled satellite imagery(on NASA Worldview) in order to develop datasets on which they can start conducting research. We developed an interactive, scalable and fast image…

计算机视觉与模式识别 · 计算机科学 2021-08-11 Abhigya Sodani , Michael Levy , Anirudh Koul , Meher Anand Kasam , Siddha Ganju

The field of cross-lingual sentence embeddings has recently experienced significant advancements, but research concerning low-resource languages has lagged due to the scarcity of parallel corpora. This paper shows that cross-lingual word…

计算与语言 · 计算机科学 2024-04-04 Zhongtao Miao , Qiyu Wu , Kaiyan Zhao , Zilong Wu , Yoshimasa Tsuruoka

The majority of Semantic Web search engines retrieve information by focusing on the use of concepts and relations restricted to the query provided by the user. By trying to guess the implicit meaning between these concepts and relations,…

信息检索 · 计算机科学 2012-11-28 Manuel Rojas

Retrieval is a crucial stage in web search that identifies a small set of query-relevant candidates from a billion-scale corpus. Discovering more semantically-related candidates in the retrieval stage is very promising to expose more…

信息检索 · 计算机科学 2021-10-19 Yiding Liu , Guan Huang , Jiaxiang Liu , Weixue Lu , Suqi Cheng , Yukun Li , Daiting Shi , Shuaiqiang Wang , Zhicong Cheng , Dawei Yin

The growth of conversational AI services has increased demand for effective information retrieval from dialogue data. However, existing methods often face challenges in capturing semantic intent or require extensive labeling and…

信息检索 · 计算机科学 2025-03-07 Sangyeop Kim , Hangyeul Lee , Yohan Lee

Retrieval-based language models are increasingly employed in question-answering tasks. These models search in a corpus of documents for relevant information instead of having all factual knowledge stored in its parameters, thereby enhancing…

计算与语言 · 计算机科学 2023-04-20 Lucas Georges Gabriel Charpentier , Sondre Wold , David Samuel , Egil Rønningstad

We build a dual-way neural dictionary to retrieve words given definitions, and produce definitions for queried words. The model learns the two tasks simultaneously and handles unknown words via embeddings. It casts a word or a definition to…

计算与语言 · 计算机科学 2022-10-12 Pinzhen Chen , Zheng Zhao