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Embedding models are pivotal in industrial information retrieval systems like search and advertising. However, existing pretrained models often exhibit fixed architectures and embedding dimensionalities, posing significant challenges when…

计算与语言 · 计算机科学 2026-05-20 Yaoxiang Wang , Simiao Zuo , Qingguo Hu , Yucheng Ding , Yeyun Gong , Jian Jiao , Jinsong Su

In dense retrieval, effective training hinges on selecting high quality hard negatives while avoiding false negatives. Recent methods apply heuristics based on positive document scores to identify hard negatives, improving both performance…

信息检索 · 计算机科学 2025-08-19 Bongsu Kim

Reaction prediction, a critical task in synthetic chemistry, is to predict the outcome of a reaction based on given reactants. Generative models like Transformer have typically been employed to predict the reaction product. However, these…

Industrial multi-label document understanding pipelines score candidate labels and threshold or rank them to form a label set per document. This early selection step directly affects the accuracy of downstream information extraction from…

信息检索 · 计算机科学 2026-05-19 Lasal Jayawardena , Nirmalie Wiratunga , Ikechukwu Nkisi-Orji , Darren Nicol

Test time adaptation (TTA) equips deep learning models to handle unseen test data that deviates from the training distribution, even when source data is inaccessible. While traditional TTA methods often rely on entropy as a confidence…

Single-step retrosynthesis (SSR) in organic chemistry is increasingly benefiting from deep learning (DL) techniques in computer-aided synthesis design. While template-free DL models are flexible and promising for retrosynthesis prediction,…

机器学习 · 计算机科学 2024-03-27 Lin Yao , Wentao Guo , Zhen Wang , Shang Xiang , Wentan Liu , Guolin Ke

Test-time adaptation (TTA) aims at adapting a model pre-trained on the labeled source domain to the unlabeled target domain. Existing methods usually focus on improving TTA performance under covariate shifts, while neglecting semantic…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Zhengqing Gao , Xu-Yao Zhang , Cheng-Lin Liu

In a multi-stage recommendation system, reranking plays a crucial role in modeling intra-list correlations among items. A key challenge lies in exploring optimal sequences within the combinatorial space of permutations. Recent research…

信息检索 · 计算机科学 2025-10-30 Zhijie Lin , Zhuofeng Li , Chenglei Dai , Wentian Bao , Shuai Lin , Enyun Yu , Haoxiang Zhang , Liang Zhao

Accurate click-through rate (CTR) prediction is vital for online advertising and recommendation systems. Recent deep learning advancements have improved the ability to capture feature interactions and understand user interests. However,…

信息检索 · 计算机科学 2025-02-24 Kefan Wang , Hao Wang , Kenan Song , Wei Guo , Kai Cheng , Zhi Li , Yong Liu , Defu Lian , Enhong Chen

Molecule synthesis through machine learning is one of the fundamental problems in drug discovery. Current data-driven strategies employ one-step retrosynthesis models and search algorithms to predict synthetic routes in a top-bottom manner.…

机器学习 · 计算机科学 2024-06-05 Songtao Liu , Hanjun Dai , Yue Zhao , Peng Liu

As the ubiquity of deep learning in various machine learning applications has amplified, a proliferation of neural network models has been trained and shared on public model repositories. In the context of a targeted machine learning…

机器学习 · 计算机科学 2024-04-02 Jianwei Cui , Wenhang Shi , Honglin Tao , Wei Lu , Xiaoyong Du

Refactoring is an indispensable practice of improving the quality and maintainability of source code in software evolution. Rename refactoring is the most frequently performed refactoring that suggests a new name for an identifier to…

软件工程 · 计算机科学 2023-05-30 Hao Liu , Yanlin Wang , Zhao Wei , Yong Xu , Juhong Wang , Hui Li , Rongrong Ji

Pre-trained deep language models~(LM) have advanced the state-of-the-art of text retrieval. Rerankers fine-tuned from deep LM estimates candidate relevance based on rich contextualized matching signals. Meanwhile, deep LMs can also be…

信息检索 · 计算机科学 2021-01-22 Luyu Gao , Zhuyun Dai , Jamie Callan

This paper proposes a method for long-term action anticipation (LTA), the task of predicting action labels and their duration in a video given the observation of an initial untrimmed video interval. We build on an encoder-decoder…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Alberto Maté , Mariella Dimiccoli

This paper presents a simple yet effective approach that improves continual test-time adaptation (TTA) in a memory-efficient manner. TTA may primarily be conducted on edge devices with limited memory, so reducing memory is crucial but has…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Junha Song , Jungsoo Lee , In So Kweon , Sungha Choi

Test-time adaptation (TTA) enables neural forecasters to adapt to distribution shifts in streaming time series, but existing methods apply the same adaptation intensity regardless of the nature of the shift. We propose Regime-Guided…

机器学习 · 计算机科学 2026-03-31 Indar Kumar , Akanksha Tiwari , Sai Krishna Jasti , Ankit Hemant Lade

This work proposes a novel adaptation of a pretrained sequence-to-sequence model to the task of document ranking. Our approach is fundamentally different from a commonly-adopted classification-based formulation of ranking, based on…

信息检索 · 计算机科学 2020-03-17 Rodrigo Nogueira , Zhiying Jiang , Jimmy Lin

Inferring spatially resolved gene expression from histology images offers a cost-effective complement to spatial transcriptomics (ST). However, existing methods reduce this task to a simple morphology-to-expression mapping, where visual…

Newly-introduced deep learning architectures, namely BERT, XLNet, RoBERTa and ALBERT, have been proved to be robust on several NLP tasks. However, the datasets trained on these architectures are fixed in terms of size and generalizability.…

计算与语言 · 计算机科学 2020-09-29 Jean-Philippe Corbeil , Hadi Abdi Ghadivel

While large scale pre-trained language models such as BERT have achieved great success on various natural language understanding tasks, how to efficiently and effectively incorporate them into sequence-to-sequence models and the…

计算与语言 · 计算机科学 2020-10-14 Junliang Guo , Zhirui Zhang , Linli Xu , Hao-Ran Wei , Boxing Chen , Enhong Chen