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Reliability in cell type annotation is challenging in single-cell RNA-sequencing data analysis because both expert-driven and automated methods can be biased or constrained by their training data, especially for novel or rare cell types.…

Biomedical Named Entity Recognition (NER) is a fundamental task of Biomedical Natural Language Processing for extracting relevant information from biomedical texts, such as clinical records, scientific publications, and electronic health…

计算与语言 · 计算机科学 2023-12-27 Fahime Shahrokh , Nasser Ghadiri , Rasoul Samani , Milad Moradi

Vision-language models (VLMs) are commonly trained by directly inserting image tokens from a pretrained vision encoder into the text stream of a language model. This allows text and image information to fully attend to one another within…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Moritz Böhle , Amélie Royer , Juliette Marrie , Edouard Grave , Patrick Pérez

Topic models have been widely used to learn text representations and gain insight into document corpora. To perform topic discovery, most existing neural models either take document bag-of-words (BoW) or sequence of tokens as input followed…

计算与语言 · 计算机科学 2021-07-12 Madhur Panwar , Shashank Shailabh , Milan Aggarwal , Balaji Krishnamurthy

The core component of attention is the scoring function, which transforms the inputs into low-dimensional queries and keys and takes the dot product of each pair. While the low-dimensional projection improves efficiency, it causes…

机器学习 · 计算机科学 2025-09-10 Yilun Kuang , Noah Amsel , Sanae Lotfi , Shikai Qiu , Andres Potapczynski , Andrew Gordon Wilson

Pre-trained Programming Language Models (PPLMs) achieved many recent states of the art results for many code-related software engineering tasks. Though some studies use data flow or propose tree-based models that utilize Abstract Syntax…

软件工程 · 计算机科学 2023-03-14 Iman Saberi , Fatemeh H. Fard

Recently, there is an effort to extend fine-grained entity typing by using a richer and ultra-fine set of types, and labeling noun phrases including pronouns and nominal nouns instead of just named entity mentions. A key challenge for this…

计算与语言 · 计算机科学 2021-06-09 Hongliang Dai , Yangqiu Song , Haixun Wang

Large language models (LLMs) have demonstrated impressive capabilities in various tasks using the in-context learning (ICL) paradigm. However, their effectiveness is often compromised by inherent bias, leading to prompt brittleness, i.e.,…

计算与语言 · 计算机科学 2024-12-13 Hanzhang Zhou , Zijian Feng , Zixiao Zhu , Junlang Qian , Kezhi Mao

Risk analysis is an important business decision support task in customer relationship management (CRM), involving the identification of potential risks or challenges that may affect customer satisfaction, retention rates, and overall…

机器学习 · 计算机科学 2024-08-23 Yaowen Huang , Jun Der Leu , Baoli Lu , Yan Zhou

Current weakly supervised video anomaly detection algorithms mostly use multiple instance learning (MIL) or their varieties. Almost all recent approaches focus on how to select the correct snippets for training to improve the performance.…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Weijun Tan , Qi Yao , Jingfeng Liu

In this paper, we study the problem of zero-shot sketch-based image retrieval (ZS-SBIR). The prior methods tackle the problem in a two-modality setting with only category labels or even no textual information involved. However, the growing…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Hanwen Su , Ge Song , Kai Huang , Jiyan Wang , Ming Yang

Many important classification problems in the real-world consist of a large number of closely related categories in a hierarchical structure or taxonomy. Hierarchical multi-label text classification (HMTC) with higher accuracy over large…

计算与语言 · 计算机科学 2022-04-19 Pengfei Gao , Jingpeng Zhao , Yinglong Ma , Ahmad Tanvir , Beihong Jin

We present state-of-the-art automatic speech recognition (ASR) systems employing a standard hybrid DNN/HMM architecture compared to an attention-based encoder-decoder design for the LibriSpeech task. Detailed descriptions of the system…

计算与语言 · 计算机科学 2019-10-02 Christoph Lüscher , Eugen Beck , Kazuki Irie , Markus Kitza , Wilfried Michel , Albert Zeyer , Ralf Schlüter , Hermann Ney

Continuous monitoring of crops and forecasting crop conditions through time series analysis is crucial for effective agricultural management. This study proposes a framework based on an attention Bidirectional Long Short-Term Memory…

信息检索 · 计算机科学 2024-07-02 Weiying Zhao , Natalia Efremova

There is a recent interest in investigating few-shot NER, where the low-resource target domain has different label sets compared with a resource-rich source domain. Existing methods use a similarity-based metric. However, they cannot make…

计算与语言 · 计算机科学 2021-06-04 Leyang Cui , Yu Wu , Jian Liu , Sen Yang , Yue Zhang

This study presents a hybrid deep learning architecture that integrates LSTM, CNN, and an Attention mechanism to enhance the classification of web content based on text. Pretrained GloVe embeddings are used to represent words as dense…

计算与语言 · 计算机科学 2025-12-29 Mykola Kuz , Ihor Lazarovych , Mykola Kozlenko , Mykola Pikuliak , Andrii Kvasniuk

Despite the success of end-to-end automatic speech recognition (ASR) models, challenges persist in recognizing rare, out-of-vocabulary words - including named entities (NE) - and in adapting to new domains using only text data. This work…

Large language models encode extensive world knowledge valuable for zero-shot named entity recognition. However, their causal attention mechanism, where tokens attend only to preceding context, prevents effective token classification when…

计算与语言 · 计算机科学 2026-04-17 Ahmed Ewais , Ahmed Hashish , Amr Ali

This article presents an evaluation of several machine learning methods applied to automated text classification, alongside the design of a demonstrative system for unbalanced document categorization and distribution. The study focuses on…

计算与语言 · 计算机科学 2026-02-25 Radoslaw Roszczyk , Pawel Tecza , Maciej Stodolski , Krzysztof Siwek

Relation classification is associated with many potential applications in the artificial intelligence area. Recent approaches usually leverage neural networks based on structure features such as syntactic or dependency features to solve…

计算与语言 · 计算机科学 2016-08-30 Fei Li , Meishan Zhang , Guohong Fu , Tao Qian , Donghong Ji