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Optimizing industrial search ranking models solely for user engagement signals often introduces systematic biases, prioritizing popular or price-anchored items that may not satisfy semantic intent. We present a production-scale multi-task…

Information Retrieval · Computer Science 2026-05-28 Luming Chen , Jiaqi Xi , Raghav Saboo , Kenny Chi , Martin Wang , Sudeep Das , Danny Nightingale , Aditya Dodda , Elyse Winer , Akshad Viswanathan

In the domain of time series analysis, particularly in event detection tasks, current methodologies predominantly rely on segmentation-based approaches, which predict the class label for each individual timesteps and use the changepoints of…

Artificial Intelligence · Computer Science 2024-08-26 Clark Peng , Tolga Dinçer

We study continual event extraction, which aims to extract incessantly emerging event information while avoiding forgetting. We observe that the semantic confusion on event types stems from the annotations of the same text being updated…

Computation and Language · Computer Science 2023-10-25 Zitao Wang , Xinyi Wang , Wei Hu

Deep learning based approaches have achieved significant progresses in different tasks like classification, detection, segmentation, and so on. Ensemble learning is widely known to further improve performance by combining multiple…

Computer Vision and Pattern Recognition · Computer Science 2019-05-17 Danlu Chen , Xu-Yao Zhang , Wei Zhang , Yao Lu , Xiuli Li , Tao Mei

Identifying events and mapping them to pre-defined event types has long been an important natural language processing problem. Most previous work has been heavily relying on labor-intensive and domain-specific annotations while ignoring the…

Computation and Language · Computer Science 2021-06-03 Hongming Zhang , Haoyu Wang , Dan Roth

The news landscape is continuously evolving, with an ever-increasing volume of information from around the world. Automated event detection within this vast data repository is essential for monitoring, identifying, and categorizing…

Computation and Language · Computer Science 2024-07-09 Adane Nega Tarekegn

Sentence-level relation extraction aims to identify the relation between two entities for a given sentence. The existing works mostly focus on obtaining a better entity representation and adopting a multi-label classifier for relation…

Computation and Language · Computer Science 2023-04-12 Jiewen Zheng , Ze Chen

In multi-label text classification (MLTC), each given document is associated with a set of correlated labels. To capture label correlations, previous classifier-chain and sequence-to-sequence models transform MLTC to a sequence prediction…

Computation and Language · Computer Science 2021-06-08 Ximing Zhang , Qian-Wen Zhang , Zhao Yan , Ruifang Liu , Yunbo Cao

Few/Zero-shot learning is a big challenge of many classifications tasks, where a classifier is required to recognise instances of classes that have very few or even no training samples. It becomes more difficult in multi-label…

Machine Learning · Computer Science 2020-10-16 Jueqing Lu , Lan Du , Ming Liu , Joanna Dipnall

We implemented several multilabel classification algorithms in the machine learning package mlr. The implemented methods are binary relevance, classifier chains, nested stacking, dependent binary relevance and stacking, which can be used…

Machine Learning · Statistics 2023-11-09 Philipp Probst , Quay Au , Giuseppe Casalicchio , Clemens Stachl , Bernd Bischl

Event linking connects event mentions in text with relevant nodes in a knowledge base (KB). Prior research in event linking has mainly borrowed methods from entity linking, overlooking the distinct features of events. Compared to the…

Computation and Language · Computer Science 2024-06-07 I-Hung Hsu , Zihan Xue , Nilay Pochh , Sahil Bansal , Premkumar Natarajan , Jayanth Srinivasa , Nanyun Peng

Multi-label classification is a common supervised machine learning problem where each instance is associated with multiple classes. The key challenge in this problem is learning the correlations between the classes. An additional challenge…

Machine Learning · Computer Science 2016-04-05 Divya Padmanabhan , Satyanath Bhat , Shirish Shevade , Y. Narahari

Entity Matching (EM) is a core data cleaning task, aiming to identify different mentions of the same real-world entity. Active learning is one way to address the challenge of scarce labeled data in practice, by dynamically collecting the…

Databases · Computer Science 2020-03-31 Venkata Vamsikrishna Meduri , Lucian Popa , Prithviraj Sen , Mohamed Sarwat

In this paper a high speed neural network classifier based on extreme learning machines for multi-label classification problem is proposed and dis-cussed. Multi-label classification is a superset of traditional binary and multi-class…

Machine Learning · Computer Science 2016-09-06 Meng Joo Er , Rajasekar Venkatesan , Ning Wang

Global sentence information is crucial for sequence labeling tasks, where each word in a sentence must be assigned a label. While BiLSTM models are widely used, they often fail to capture sufficient global context for inner words. Previous…

Computation and Language · Computer Science 2025-07-08 Conglei Xu , Kun Shen , Hongguang Sun , Yang Xu

Mislabeled examples are a common issue in real-world data, particularly for tasks like token classification where many labels must be chosen on a fine-grained basis. Here we consider the task of finding sentences that contain label errors…

Computation and Language · Computer Science 2022-10-24 Wei-Chen Wang , Jonas Mueller

In hierarchical multi-label classification, a persistent challenge is enabling model predictions to reach deeper levels of the hierarchy for more detailed or fine-grained classifications. This difficulty partly arises from the natural…

Machine Learning · Computer Science 2026-02-10 Isaac Xu , Martin Gillis , Ayushi Sharma , Benjamin Misiuk , Craig J. Brown , Thomas Trappenberg

Multi-label sentences (text) in the clinical domain result from the rich description of scenarios during patient care. The state-of-theart methods for assertion detection mostly address this task in the setting of a single assertion label…

Machine Learning · Computer Science 2020-05-20 Rajeev Bhatt Ambati , Ahmed Ada Hanifi , Ramya Vunikili , Puneet Sharma , Oladimeji Farri

This paper presents a novel method for rare event detection from an image pair with class-imbalanced datasets. A straightforward approach for event detection tasks is to train a detection network from a large-scale dataset in an end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Ryuhei Hamaguchi , Ken Sakurada , Ryosuke Nakamura

This paper describes our approach to hierarchical multi-label detection of persuasion techniques in meme texts. Our model, developed as a part of the recent SemEval task, is based on fine-tuning individual language models (BERT,…

Computation and Language · Computer Science 2024-07-04 Kota Shamanth Ramanath Nayak , Leila Kosseim
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