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Question Answering (QA) is in increasing demand as the amount of information available online and the desire for quick access to this content grows. A common approach to QA has been to fine-tune a pretrained language model on a…

计算与语言 · 计算机科学 2020-04-27 Alexander R. Fabbri , Patrick Ng , Zhiguo Wang , Ramesh Nallapati , Bing Xiang

The phenomena of in-context learning has typically been thought of as "learning from examples". In this work which focuses on Machine Translation, we present a perspective of in-context learning as the desired generation task maintaining…

计算与语言 · 计算机科学 2023-05-08 Suzanna Sia , Kevin Duh

Code search is a widely used technique by developers during software development. It provides semantically similar implementations from a large code corpus to developers based on their queries. Existing techniques leverage deep learning…

软件工程 · 计算机科学 2022-02-17 Weisong Sun , Chunrong Fang , Yuchen Chen , Guanhong Tao , Tingxu Han , Quanjun Zhang

Multilingual generative models obtain remarkable cross-lingual in-context learning capabilities through pre-training on large-scale corpora. However, they still exhibit a performance bias toward high-resource languages and learn isolated…

计算与语言 · 计算机科学 2024-06-13 Chong Li , Shaonan Wang , Jiajun Zhang , Chengqing Zong

Answer sentence selection (AS2) in open-domain question answering finds answer for a question by ranking candidate sentences extracted from web documents. Recent work exploits answer context, i.e., sentences around a candidate, by…

计算与语言 · 计算机科学 2023-06-06 Minh Van Nguyen , Kishan KC , Toan Nguyen , Thien Huu Nguyen , Ankit Chadha , Thuy Vu

We introduce MARGE, a pre-trained sequence-to-sequence model learned with an unsupervised multi-lingual multi-document paraphrasing objective. MARGE provides an alternative to the dominant masked language modeling paradigm, where we…

计算与语言 · 计算机科学 2020-06-29 Mike Lewis , Marjan Ghazvininejad , Gargi Ghosh , Armen Aghajanyan , Sida Wang , Luke Zettlemoyer

Context modeling is essential to generate coherent and consistent translation for Document-level Neural Machine Translations. The widely used method for document-level translation usually compresses the context information into a…

计算与语言 · 计算机科学 2019-11-22 Zhengxin Yang , Jinchao Zhang , Fandong Meng , Shuhao Gu , Yang Feng , Jie Zhou

Regression models often fail to generalize effectively in regions characterized by highly imbalanced label distributions. Previous methods for deep imbalanced regression rely on gradient-based weight updates, which tend to overfit in…

机器学习 · 计算机科学 2024-11-21 Ismail Nejjar , Faez Ahmed , Olga Fink

Transformer models using segment-based processing have been an effective architecture for simultaneous speech translation. However, such models create a context mismatch between training and inference environments, hindering potential…

计算与语言 · 计算机科学 2023-07-06 Matthew Raffel , Drew Penney , Lizhong Chen

Automatic relation extraction (RE) for types of interest is of great importance for interpreting massive text corpora in an efficient manner. Traditional RE models have heavily relied on human-annotated corpus for training, which can be…

计算与语言 · 计算机科学 2017-11-27 Zeqiu Wu , Xiang Ren , Frank F. Xu , Ji Li , Jiawei Han

Achieving human-level translations requires leveraging context to ensure coherence and handle complex phenomena like pronoun disambiguation. Sparsity of contextually rich examples in the standard training data has been hypothesized as the…

计算与语言 · 计算机科学 2025-09-18 Paweł Mąka , Yusuf Can Semerci , Jan Scholtes , Gerasimos Spanakis

The crucial role of the evaluation in the development of the information retrieval tools is useful evidence to improve the performance of these tools and the quality of results that they return. However, the classic evaluation approaches…

信息检索 · 计算机科学 2011-06-01 Abdelkrim Bouramoul , Mohamed-Khireddine Kholladi , Bich-Lien Doan

Recent studies on Question Answering (QA) and Conversational QA (ConvQA) emphasize the role of retrieval: a system first retrieves evidence from a large collection and then extracts answers. This open-retrieval ConvQA setting typically…

信息检索 · 计算机科学 2021-03-04 Chen Qu , Liu Yang , Cen Chen , W. Bruce Croft , Kalpesh Krishna , Mohit Iyyer

In-context learning (ICL) using large language models for tasks with many labels is challenging due to the limited context window, which makes it difficult to fit a sufficient number of examples in the prompt. In this paper, we use a…

计算与语言 · 计算机科学 2023-12-07 Aristides Milios , Siva Reddy , Dzmitry Bahdanau

Transformer-based architectures in natural language processing force input size limits that can be problematic when long documents need to be processed. This paper overcomes this issue for keyphrase extraction by chunking the long documents…

计算与语言 · 计算机科学 2022-05-12 Martin Docekal , Pavel Smrz

Information needs around a topic cannot be satisfied in a single turn; users typically ask follow-up questions referring to the same theme and a system must be capable of understanding the conversational context of a request to retrieve…

信息检索 · 计算机科学 2020-02-12 Magdalena Kaiser , Rishiraj Saha Roy , Gerhard Weikum

Frequently asked question (FAQ) retrieval, with the purpose of providing information on frequent questions or concerns, has far-reaching applications in many areas, where a collection of question-answer (Q-A) pairs compiled a priori can be…

人工智能 · 计算机科学 2020-10-28 Wen-Ting Tseng , Tien-Hong Lo , Yung-Chang Hsu , Berlin Chen

Quality pretraining data is often seen as the key to high-performance language models. However, progress in understanding pretraining data has been slow due to the costly pretraining runs required for data selection experiments. We present…

计算与语言 · 计算机科学 2025-03-11 Tristan Thrush , Christopher Potts , Tatsunori Hashimoto

Recently, vision-language joint representation learning has proven to be highly effective in various scenarios. In this paper, we specifically adapt vision-language joint learning for scene text detection, a task that intrinsically involves…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Sibo Song , Jianqiang Wan , Zhibo Yang , Jun Tang , Wenqing Cheng , Xiang Bai , Cong Yao

While question-like queries are gaining popularity and search engines' users increasingly adopt them, keyphrase search has traditionally been the cornerstone of web search. This query type is also prevalent in specialised search tasks such…

信息检索 · 计算机科学 2024-12-05 Jorge Gabín , Javier Parapar , Craig Macdonald